Build 101

Create LICENSE

CODE_OF_CONDUCT.md

@@ -0,0 +1,76 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+ professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at vyalov.egor@gmail.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

LICENSE

@@ -0,0 +1,201 @@
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+
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README.md

@@ -1,3 +1,12 @@
-# Android client for Home Assistant
+[![flutter](https://somegeeky.website/assets/badges/flutter_badge_v3.svg)](https://somegeeky.website/badges/flutter) [![dart](https://somegeeky.website/assets/badges/dart_badge_v3.svg)](https://somegeeky.website/badges/dart)
+# HA Client
+## Native Android client for Home Assistant
+### With Lovelace UI support
 
-Home Assistant Android client using Flutter and Dart.
+Visit [homemade.systems](http://ha-client.homemade.systems/) for more info.
+
+Join [Google Group](https://groups.google.com/d/forum/ha-client-alpha-testing) to become an alpha tester
+
+Download the app from [Google Play](https://play.google.com/apps/testing/com.keyboardcrumbs.haclient) after joining the group
+
+Discuss it in [Home Assistant community](https://community.home-assistant.io/t/alpha-testing-ha-client-native-android-client-for-home-assistant/69912)

android/app/build.gradle

@@ -29,7 +29,12 @@ def keystoreProperties = new Properties()
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 
     lintOptions {
         disable 'InvalidPackage'
@@ -38,7 +43,7 @@ android {
     defaultConfig {
         applicationId "com.keyboardcrumbs.haclient"
         minSdkVersion 21
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -65,7 +70,10 @@ flutter {
 }
 
 dependencies {
+    implementation 'com.google.firebase:firebase-core:16.0.8'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 }
+
+apply plugin: 'com.google.gms.google-services'

android/app/google-services.json

@@ -0,0 +1,42 @@
+{
+  "project_info": {
+    "project_number": "441874387819",
+    "firebase_url": "https://ha-client-c73c4.firebaseio.com",
+    "project_id": "ha-client-c73c4",
+    "storage_bucket": "ha-client-c73c4.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:441874387819:android:92c7efc892dc3d45",
+        "android_client_info": {
+          "package_name": "com.keyboardcrumbs.haclient"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "441874387819-id0hqsfprj3b5kc312faqv3lmdfpm7l8.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBsl9cjBY633IrdrTyCsLFlO9lfsYJ0OJU"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

android/app/src/main/AndroidManifest.xml

@@ -15,7 +15,8 @@
     <application
         android:name="io.flutter.app.FlutterApplication"
         android:label="HA Client"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
+        android:usesCleartextTraffic="true">
         <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"
@@ -30,10 +31,14 @@
             <meta-data
                 android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
                 android:value="true" />
+            <intent-filter>
+                <action android:name="FLUTTER_NOTIFICATION_CLICK" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
     </application>
-</manifest>
+</manifest>

android/build.gradle

@@ -5,7 +5,8 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.google.gms:google-services:4.2.0'
     }
 }
 

android/gradle.properties

@@ -1 +1,5 @@
-org.gradle.jvmargs=-Xmx1536M
+org.gradle.jvmargs=-Xmx2g
+org.gradle.daemon=true
+org.gradle.caching=true
+android.useAndroidX=true
+android.enableJetifier=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip

docs/empty

@@ -0,0 +1 @@
+

lib/auth_manager.class.dart

@@ -0,0 +1,44 @@
+part of 'main.dart';
+
+class AuthManager {
+
+  static final AuthManager _instance = AuthManager._internal();
+
+  factory AuthManager() {
+    return _instance;
+  }
+
+  AuthManager._internal();
+
+  Future getTempToken({String httpWebHost, String oauthUrl}) {
+    Completer completer = Completer();
+    final flutterWebviewPlugin = new FlutterWebviewPlugin();
+    flutterWebviewPlugin.onUrlChanged.listen((String url) {
+      if (url.startsWith("http://ha-client.homemade.systems/service/auth_callback.html")) {
+        String authCode = url.split("=")[1];
+        Logger.d("We have auth code. Getting temporary access token...");
+        Connection().sendHTTPPost(
+            host: httpWebHost,
+            endPoint: "/auth/token",
+            contentType: "application/x-www-form-urlencoded",
+            includeAuthHeader: false,
+            data: "grant_type=authorization_code&code=$authCode&client_id=${Uri.encodeComponent('http://ha-client.homemade.systems/')}"
+        ).then((response) {
+          Logger.d("Gottemp token");
+          String tempToken = json.decode(response)['access_token'];
+          Logger.d("Closing webview...");
+          flutterWebviewPlugin.close();
+          completer.complete(tempToken);
+        }).catchError((e) {
+          flutterWebviewPlugin.close();
+          completer.completeError({"errorCode": 61, "errorMessage": "Error getting temp token"});
+          Logger.e("Error getting temp token: ${e.toString()}");
+        });
+      }
+    });
+    Logger.d("Launching OAuth...");
+    eventBus.fire(StartAuthEvent(oauthUrl));
+    return completer.future;
+  }
+
+}

lib/badge_class.dart

@@ -1,9 +0,0 @@
-part of 'main.dart';
-
-class Badge {
-  String _entityId;
-
-  Badge(String groupId) {
-    _entityId = groupId;
-  }
-}

lib/card_class.dart

@@ -1,25 +0,0 @@
-part of 'main.dart';
-
-class HACard {
-  String _entityId;
-  List _entities;
-  String _friendlyName;
-
-  List get entities => _entities;
-  String get friendlyName => _friendlyName;
-
-  HACard(String groupId, String friendlyName) {
-    _entityId = groupId;
-    _entities = [];
-    _friendlyName = friendlyName;
-  }
-
-  void addEntity(String entityId) {
-    _entities.add(entityId);
-  }
-
-  void addEntities(List entities) {
-    _entities.addAll(entities);
-  }
-
-}

lib/connection.class.dart

@@ -0,0 +1,343 @@
+part of 'main.dart';
+
+class Connection {
+
+  static final Connection _instance = Connection._internal();
+
+  factory Connection() {
+    return _instance;
+  }
+
+  Connection._internal();
+
+  String displayHostname;
+  String _webSocketAPIEndpoint;
+  String httpWebHost;
+  String _token;
+  String _tempToken;
+  String oauthUrl;
+  bool get isAuthenticated => _token != null;
+  StreamSubscription _socketSubscription;
+  Duration connectTimeout = Duration(seconds: 15);
+
+  bool isConnected = false;
+
+  var onStateChangeCallback;
+
+  IOWebSocketChannel _socket;
+
+  int _currentMessageId = 0;
+  Map<String, Completer> _messageResolver = {};
+
+  Future init(onStateChange) async {
+    Completer completer = Completer();
+    onStateChangeCallback = onStateChange;
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    String domain = prefs.getString('hassio-domain');
+    String port = prefs.getString('hassio-port');
+    displayHostname = "$domain:$port";
+    _webSocketAPIEndpoint = "${prefs.getString('hassio-protocol')}://$domain:$port/api/websocket";
+    httpWebHost = "${prefs.getString('hassio-res-protocol')}://$domain:$port";
+    //_token = prefs.getString('hassio-token');
+    final storage = new FlutterSecureStorage();
+    try {
+      _token = await storage.read(key: "hacl_llt");
+    } catch (e) {
+      Logger.e("Cannt read secure storage. Need to relogin.");
+      _token = null;
+      await storage.delete(key: "hacl_llt");
+    }
+    if ((domain == null) || (port == null) ||
+        (domain.length == 0) || (port.length == 0)) {
+      completer.completeError({"errorCode": 5, "errorMessage": "Check connection settings"});
+    } else {
+      oauthUrl = "$httpWebHost/auth/authorize?client_id=${Uri.encodeComponent('http://ha-client.homemade.systems/')}&redirect_uri=${Uri.encodeComponent('http://ha-client.homemade.systems/service/auth_callback.html')}";
+      if (_token == null) {
+        await AuthManager().getTempToken(
+            httpWebHost: httpWebHost,
+            oauthUrl: oauthUrl
+        ).then((token) {
+          Logger.d("Token from AuthManager recived");
+          _tempToken = token;
+        });
+      }
+      _connect().timeout(connectTimeout, onTimeout: () {
+        _disconnect().then((_) {
+          completer.completeError(
+              {"errorCode": 1, "errorMessage": "Connection timeout"});
+        });
+      }).then((_) => completer.complete()).catchError((e) {
+        completer.completeError(e);
+      });
+    }
+    return completer.future;
+  }
+
+  Completer connecting;
+
+  Future _connect() async {
+    if (connecting != null && !connecting.isCompleted) {
+      Logger.w("");
+      return connecting.future;
+    }
+    connecting = Completer();
+    await _disconnect();
+    Logger.d( "Socket connecting...");
+    _socket = IOWebSocketChannel.connect(
+        _webSocketAPIEndpoint, pingInterval: Duration(seconds: 15));
+    _socketSubscription = _socket.stream.listen(
+            (message) {
+          isConnected = true;
+          var data = json.decode(message);
+          if (data["type"] == "auth_required") {
+            Logger.d("[Received] <== ${data.toString()}");
+            _authenticate().then((_) => connecting.complete()).catchError((e) {
+              if (!connecting.isCompleted) connecting.completeError(e);
+            });
+          } else if (data["type"] == "auth_ok") {
+            Logger.d("[Received] <== ${data.toString()}");
+            _messageResolver["auth"]?.complete();
+            _messageResolver.remove("auth");
+            if (!connecting.isCompleted) connecting.complete(sendSocketMessage(
+              type: "subscribe_events",
+              additionalData: {"event_type": "state_changed"},
+            ));
+          } else if (data["type"] == "auth_invalid") {
+            Logger.d("[Received] <== ${data.toString()}");
+            _messageResolver["auth"]?.completeError({"errorCode": 62, "errorMessage": "${data["message"]}"});
+            _messageResolver.remove("auth");
+            logout().then((_) {
+              if (!connecting.isCompleted) connecting.completeError({"errorCode": 62, "errorMessage": "${data["message"]}"});
+            });
+          } else {
+            _handleMessage(data);
+          }
+        },
+        cancelOnError: true,
+        onDone: () => _handleSocketClose(connecting),
+        onError: (e) => _handleSocketError(e, connecting)
+    );
+    return connecting.future;
+  }
+
+  Future _disconnect() async {
+    Logger.d( "Socket disconnecting...");
+    await _socketSubscription?.cancel();
+    await _socket?.sink?.close()?.timeout(Duration(seconds: 4),
+        onTimeout: () => Logger.d( "Socket sink close timeout")
+    );
+    Logger.d( "..Disconnected");
+  }
+
+  _handleMessage(data) {
+    if (data["type"] == "result") {
+      if (data["id"] != null && data["success"]) {
+        Logger.d("[Received] <== Request id ${data['id']} was successful");
+        _messageResolver["${data["id"]}"]?.complete(data["result"]);
+      } else if (data["id"] != null) {
+        Logger.e("[Received] <== Error received on request id ${data['id']}: ${data['error']}");
+        _messageResolver["${data["id"]}"]?.completeError({"errorMessage": "${data['error']["message"]}"});
+      }
+      _messageResolver.remove("${data["id"]}");
+    } else if (data["type"] == "event") {
+      if ((data["event"] != null) && (data["event"]["event_type"] == "state_changed")) {
+        Logger.d("[Received] <== ${data['type']}.${data["event"]["event_type"]}: ${data["event"]["data"]["entity_id"]}");
+        onStateChangeCallback(data["event"]["data"]);
+      } else if (data["event"] != null) {
+        Logger.w("Unhandled event type: ${data["event"]["event_type"]}");
+      } else {
+        Logger.e("Event is null: $data");
+      }
+    } else {
+      Logger.d("[Received unhandled] <== ${data.toString()}");
+    }
+  }
+
+  void _handleSocketClose(Completer connectionCompleter) {
+    isConnected = false;
+    Logger.d("Socket disconnected.");
+    if (!connectionCompleter.isCompleted) {
+      connectionCompleter.completeError({"errorCode": 82, "errorMessage": "Disconnected"});
+    } else {
+      _disconnect().then((_) {
+        Timer(Duration(seconds: 5), () {
+          Logger.d("Trying to reconnect...");
+          _connect();
+        });
+      });
+    }
+  }
+
+  void _handleSocketError(e, Completer connectionCompleter) {
+    isConnected = false;
+    Logger.e("Socket stream Error: $e");
+    if (!connectionCompleter.isCompleted) {
+      connectionCompleter.completeError({"errorCode": 81, "errorMessage": "Unable to connect to Home Assistant"});
+    } else {
+      _disconnect().then((_) {
+        Timer(Duration(seconds: 5), () {
+          Logger.d("Trying to reconnect...");
+          _connect();
+        });
+      });
+    }
+  }
+
+  Future _authenticate() {
+    Completer completer = Completer();
+    if (_token != null) {
+      Logger.d( "Long-lived token exist");
+      Logger.d( "[Sending] ==> auth request");
+      sendSocketMessage(
+          type: "auth",
+          additionalData: {"access_token": "$_token"},
+          auth: true
+      ).then((_) {
+        completer.complete();
+      }).catchError((e) => completer.completeError(e));
+    } else if (_tempToken != null) {
+      Logger.d("We have temp token. Loging in...");
+      sendSocketMessage(
+          type: "auth",
+          additionalData: {"access_token": "$_tempToken"},
+          auth: true
+      ).then((_) {
+        Logger.d("Requesting long-lived token...");
+        _getLongLivedToken().then((_) {
+          completer.complete();
+        }).catchError((e) {
+          Logger.e("Can't get long-lived token: $e");
+          throw e;
+        });
+      }).catchError((e) => completer.completeError(e));
+    } else {
+      completer.completeError({"errorCode": 63, "errorMessage": "General login error"});
+    }
+    return completer.future;
+  }
+
+  Future logout() {
+    _token = null;
+    _tempToken = null;
+    final storage = new FlutterSecureStorage();
+    return storage.delete(key: "hacl_llt");
+  }
+
+  Future _getLongLivedToken() {
+    Completer completer = Completer();
+    sendSocketMessage(type: "auth/long_lived_access_token", additionalData: {"client_name": "HA Client app ${DateTime.now().millisecondsSinceEpoch}", "lifespan": 365}).then((data) {
+      Logger.d("Got long-lived token.");
+      _token = data;
+      _tempToken = null;
+      final storage = new FlutterSecureStorage();
+      storage.write(key: "hacl_llt", value: "$_token").then((_) {
+        completer.complete();
+      }).catchError((e) {
+        throw e;
+      });
+    }).catchError((e) {
+      logout();
+      completer.completeError({"errorCode": 63, "errorMessage": "Authentication error: $e"});
+    });
+    return completer.future;
+  }
+
+  Future sendSocketMessage({String type, Map additionalData, bool auth: false}) {
+    Completer _completer = Completer();
+    Map dataObject = {"type": "$type"};
+    String callbackName;
+    if (!auth) {
+      _incrementMessageId();
+      dataObject["id"] = _currentMessageId;
+      callbackName = "$_currentMessageId";
+    } else {
+      callbackName = "auth";
+    }
+    if (additionalData != null) {
+      dataObject.addAll(additionalData);
+    }
+    _messageResolver[callbackName] = _completer;
+    String rawMessage = json.encode(dataObject);
+    Logger.d("[Sending] ==> $rawMessage");
+    if (!isConnected) {
+      _connect().timeout(connectTimeout, onTimeout: (){
+        _completer.completeError({"errorCode": 8, "errorMessage": "No connection to Home Assistant"});
+      }).then((_) {
+        _socket.sink.add(rawMessage);
+      }).catchError((e) {
+        _completer.completeError(e);
+      });
+    } else {
+      _socket.sink.add(rawMessage);
+    }
+    return _completer.future;
+  }
+
+  void _incrementMessageId() {
+    _currentMessageId += 1;
+  }
+
+  Future callService({String domain, String service, String entityId, Map additionalServiceData}) {
+    Map serviceData = {};
+    if (entityId != null) {
+      serviceData["entity_id"] = entityId;
+    }
+    if (additionalServiceData != null && additionalServiceData.isNotEmpty) {
+      serviceData.addAll(additionalServiceData);
+    }
+    if (serviceData.isNotEmpty)
+      return sendSocketMessage(type: "call_service", additionalData: {"domain": domain, "service": service, "service_data": serviceData});
+    else
+      return sendSocketMessage(type: "call_service", additionalData: {"domain": domain, "service": service});
+  }
+
+  Future<List> getHistory(String entityId) async {
+    DateTime now = DateTime.now();
+    //String endTime = formatDate(now, [yyyy, '-', mm, '-', dd, 'T', HH, ':', nn, ':', ss, z]);
+    String startTime = formatDate(now.subtract(Duration(hours: 24)), [yyyy, '-', mm, '-', dd, 'T', HH, ':', nn, ':', ss, z]);
+    String url = "$httpWebHost/api/history/period/$startTime?&filter_entity_id=$entityId";
+    Logger.d("[Sending] ==> $url");
+    http.Response historyResponse;
+    historyResponse = await http.get(url, headers: {
+      "authorization": "Bearer $_token",
+      "Content-Type": "application/json"
+    });
+    var history = json.decode(historyResponse.body);
+    if (history is List) {
+      Logger.d( "[Received] <== ${history.first.length} history recors");
+      return history;
+    } else {
+      return [];
+    }
+  }
+
+  Future sendHTTPPost({String host, String endPoint, String data, String contentType: "application/json", bool includeAuthHeader: true, String authToken}) async {
+    Completer completer = Completer();
+    String url = "$host$endPoint";
+    Logger.d("[Sending] ==> $url");
+    Map<String, String> headers = {};
+    if (contentType != null) {
+      headers["Content-Type"] = contentType;
+    }
+    if (includeAuthHeader) {
+      headers["authorization"] = "Bearer $authToken";
+    }
+    http.post(
+        url,
+        headers: headers,
+        body: data
+    ).then((response) {
+      Logger.d("[Received] <== ${response.statusCode}, ${response.body}");
+      if (response.statusCode == 200) {
+        completer.complete(response.body);
+      } else {
+        completer.completeError({"code": response.statusCode, "message": "${response.body}"});
+      }
+    }).catchError((e) {
+      completer.completeError(e);
+    });
+
+    return completer.future;
+  }
+
+}

lib/entity.class.dart

@@ -1,314 +0,0 @@
-part of 'main.dart';
-
-class Entity {
-  static const STATE_ICONS_COLORS = {
-    "on": Colors.amber,
-    "off": Color.fromRGBO(68, 115, 158, 1.0),
-    "unavailable": Colors.black12,
-    "unknown": Colors.black12,
-    "playing": Colors.amber
-  };
-  static const RIGTH_WIDGET_PADDING = 14.0;
-  static const LEFT_WIDGET_PADDING = 8.0;
-  static const EXTENDED_WIDGET_HEIGHT = 50.0;
-  static const WIDGET_HEIGHT = 34.0;
-
-  Map _attributes;
-  String _domain;
-  String _entityId;
-  String _state;
-  String _entityPicture;
-  DateTime _lastUpdated;
-
-  String get displayName => _attributes["friendly_name"] ?? (_attributes["name"] ?? "_");
-  String get domain => _domain;
-  String get entityId => _entityId;
-  String get state => _state;
-  set state(value) => _state = value;
-
-  double get minValue => _attributes["min"] ?? 0.0;
-  double get maxValue => _attributes["max"] ?? 100.0;
-  double get valueStep => _attributes["step"] ?? 1.0;
-  double get doubleState => double.tryParse(_state) ?? 0.0;
-  bool get isSliderField => _attributes["mode"] == "slider";
-  bool get isTextField => _attributes["mode"] == "text";
-  bool get isPasswordField => _attributes["mode"] == "password";
-
-  String get deviceClass => _attributes["device_class"] ?? null;
-  bool get isView => (_domain == "group") && (_attributes != null ? _attributes["view"] ?? false : false);
-  bool get isGroup => _domain == "group";
-  String get icon => _attributes["icon"] ?? "";
-  bool get isOn => state == "on";
-  String get entityPicture => _attributes["entity_picture"];
-  String get unitOfMeasurement => _attributes["unit_of_measurement"] ?? "";
-  List get childEntities => _attributes["entity_id"] ?? [];
-  String get lastUpdated => _getLastUpdatedFormatted();
-
-  Entity(Map rawData) {
-    update(rawData);
-  }
-
-  int getValueDivisions() {
-    return ((maxValue - minValue)/valueStep).round().round();
-  }
-
-  void update(Map rawData) {
-    _attributes = rawData["attributes"] ?? {};
-    _domain = rawData["entity_id"].split(".")[0];
-    _entityId = rawData["entity_id"];
-    _state = rawData["state"];
-    _lastUpdated = DateTime.tryParse(rawData["last_updated"]);
-  }
-
-  String _getLastUpdatedFormatted() {
-    if (_lastUpdated == null) {
-      return "-";
-    } else {
-      return formatDate(_lastUpdated, [yy, '-', M, '-', d, ' ', HH, ':', nn, ':', ss]);
-    }
-  }
-
-  void openEntityPage() {
-    eventBus.fire(new ShowEntityPageEvent(this));
-  }
-
-  Widget buildWidget(BuildContext context) {
-    return SizedBox(
-      height: Entity.WIDGET_HEIGHT,
-      child: Row(
-        children: <Widget>[
-          GestureDetector(
-            child: _buildIconWidget(),
-            onTap: openEntityPage,
-          ),
-          Expanded(
-            child: GestureDetector(
-              child: _buildNameWidget(),
-              onTap: openEntityPage,
-            ),
-          ),
-          _buildActionWidget(context)
-        ],
-      ),
-    );
-  }
-
-  Widget buildExtendedWidget(BuildContext context, String staticState) {
-    return Row(
-      children: <Widget>[
-        _buildIconWidget(),
-        Expanded(
-          child: Column(
-            crossAxisAlignment: CrossAxisAlignment.start,
-            children: <Widget>[
-              Row(
-                children: <Widget>[
-                  Expanded(
-                    child: _buildNameWidget(),
-                  ),
-                  _buildExtendedActionWidget(context, staticState)
-                ],
-              ),
-              _buildLastUpdatedWidget()
-            ],
-          ),
-        )
-      ],
-    );
-  }
-
-  Widget _buildIconWidget() {
-    return Padding(
-      padding: EdgeInsets.fromLTRB(Entity.LEFT_WIDGET_PADDING, 0.0, 12.0, 0.0),
-      child: MaterialDesignIcons.createIconWidgetFromEntityData(this, 28.0, Entity.STATE_ICONS_COLORS[_state] ?? Colors.blueGrey),
-    );
-  }
-
-  Widget _buildLastUpdatedWidget() {
-    return Text(
-      '${this.lastUpdated}',
-      textAlign: TextAlign.left,
-      style: TextStyle(
-          fontSize: 12.0,
-          color: Colors.black26
-      ),
-    );
-  }
-
-  Widget _buildNameWidget() {
-    return Padding(
-      padding: EdgeInsets.only(right: 10.0),
-      child: Text(
-        "${this.displayName}",
-        overflow: TextOverflow.ellipsis,
-        softWrap: false,
-        style: TextStyle(
-            fontSize: 16.0
-        ),
-      ),
-    );
-  }
-
-  Widget _buildActionWidget(BuildContext context) {
-    return Padding(
-        padding: EdgeInsets.fromLTRB(0.0, 0.0, Entity.RIGTH_WIDGET_PADDING, 0.0),
-        child: GestureDetector(
-          child: Text(
-              this.isPasswordField ? "******" :
-              "$_state${this.unitOfMeasurement}",
-              textAlign: TextAlign.right,
-              style: new TextStyle(
-                fontSize: 16.0,
-              )
-          ),
-          onTap: openEntityPage,
-        )
-    );
-  }
-
-  Widget _buildExtendedActionWidget(BuildContext context, String staticState) {
-    return _buildActionWidget(context);
-  }
-}
-
-class SwitchEntity extends Entity {
-
-  SwitchEntity(Map rawData) : super(rawData);
-
-  @override
-  Widget _buildActionWidget(BuildContext context) {
-    return Switch(
-      value: this.isOn,
-      onChanged: ((switchState) {
-        eventBus.fire(new ServiceCallEvent(_domain, switchState ? "turn_on" : "turn_off", entityId, null));
-      }),
-    );
-  }
-
-}
-
-class ButtonEntity extends Entity {
-
-  ButtonEntity(Map rawData) : super(rawData);
-
-  @override
-  Widget _buildActionWidget(BuildContext context) {
-    return FlatButton(
-      onPressed: (() {
-        eventBus.fire(new ServiceCallEvent(_domain, "turn_on", _entityId, null));
-      }),
-      child: Text(
-        "EXECUTE",
-        textAlign: TextAlign.right,
-        style: new TextStyle(fontSize: 16.0, color: Colors.blue),
-      ),
-    );
-  }
-
-}
-
-class InputEntity extends Entity {
-
-  InputEntity(Map rawData) : super(rawData);
-
-  @override
-  Widget buildExtendedWidget(BuildContext context, String staticState) {
-    return Column(
-      children: <Widget>[
-        SizedBox(
-          height: Entity.EXTENDED_WIDGET_HEIGHT,
-          child: Row(
-            children: <Widget>[
-              _buildIconWidget(),
-              Expanded(
-                child: _buildNameWidget(),
-              ),
-              _buildLastUpdatedWidget()
-            ],
-          ),
-        ),
-        SizedBox(
-          height: Entity.EXTENDED_WIDGET_HEIGHT,
-          child: _buildExtendedActionWidget(context, staticState),
-        )
-      ],
-    );
-  }
-
-  @override
-  Widget _buildActionWidget(BuildContext context) {
-    if (this.isSliderField) {
-      return Container(
-        width: 200.0,
-        child: Row(
-          children: <Widget>[
-            Expanded(
-              child: Slider(
-                min: this.minValue*10,
-                max: this.maxValue*10,
-                value: (this.doubleState <= this.maxValue) && (this.doubleState >= this.minValue) ? this.doubleState*10 : this.minValue*10,
-                divisions: this.getValueDivisions(),
-                onChanged: (value) {
-                  eventBus.fire(new StateChangedEvent(_entityId, (value.roundToDouble() / 10).toString(), true));
-                },
-                onChangeEnd: (value) {
-                  eventBus.fire(new ServiceCallEvent(_domain, "set_value", _entityId,{"value": "$_state"}));
-                },
-              ),
-            ),
-            Padding(
-              padding: EdgeInsets.only(right: 16.0),
-              child: Text(
-                  "$_state${this.unitOfMeasurement}",
-                  textAlign: TextAlign.right,
-                  style: new TextStyle(
-                    fontSize: 16.0,
-                  )
-              ),
-            )
-          ],
-        ),
-      );
-    } else {
-      return super._buildActionWidget(context);
-    }
-  }
-
-  @override
-  Widget _buildExtendedActionWidget(BuildContext context, String staticState) {
-    return Padding(
-        padding: EdgeInsets.fromLTRB(Entity.LEFT_WIDGET_PADDING, 0.0, Entity.RIGTH_WIDGET_PADDING, 0.0),
-        child: Row(
-          crossAxisAlignment: CrossAxisAlignment.center,
-          children: <Widget>[
-            Expanded(
-              child: TextField(
-                obscureText: this.isPasswordField,
-                controller: TextEditingController(
-                  text: staticState,
-                ),
-                onChanged: (value) {
-                  staticState = value;
-                },
-              ),
-            ),
-            SizedBox(
-              width: 63.0,
-              child: FlatButton(
-                onPressed: () {
-                  eventBus.fire(new ServiceCallEvent(_domain, "set_value", _entityId,{"value": "$staticState"}));
-                  Navigator.pop(context);
-                },
-                child: Text(
-                    "SET",
-                    textAlign: TextAlign.right,
-                  style: new TextStyle(fontSize: 16.0, color: Colors.blue),
-                ),
-              ),
-            )
-          ],
-        )
-    );
-  }
-
-}

lib/entity.page.dart

@@ -1,9 +1,10 @@
 part of 'main.dart';
 
 class EntityViewPage extends StatefulWidget {
-  EntityViewPage({Key key, this.entity}) : super(key: key);
+  EntityViewPage({Key key, @required this.entityId, @required this.homeAssistant }) : super(key: key);
 
-  Entity entity;
+  final String entityId;
+  final HomeAssistant homeAssistant;
 
   @override
   _EntityViewPageState createState() => new _EntityViewPageState();
@@ -11,30 +12,29 @@ class EntityViewPage extends StatefulWidget {
 
 class _EntityViewPageState extends State<EntityViewPage> {
   String _title;
-  Entity _entity;
-  String _lastState;
+  StreamSubscription _refreshDataSubscription;
   StreamSubscription _stateSubscription;
 
   @override
   void initState() {
     super.initState();
-    _entity = widget.entity;
-    _lastState = _entity.state;
-    if (_stateSubscription != null) _stateSubscription.cancel();
     _stateSubscription = eventBus.on<StateChangedEvent>().listen((event) {
-      setState(() {
-        if (event.entityId == _entity.entityId) {
-          _lastState = event.newState ?? _entity.state;
-        }
-      });
+      if (event.entityId == widget.entityId) {
+        Logger.d("State change event handled by entity page: ${event.entityId}");
+        setState(() {});
+      }
+    });
+    _refreshDataSubscription = eventBus.on<RefreshDataFinishedEvent>().listen((event) {
+      setState(() {});
     });
     _prepareData();
   }
 
-  _prepareData() async {
-    _title = _entity.displayName;
+  void _prepareData() async {
+    _title = widget.homeAssistant.entities.get(widget.entityId).displayName;
   }
 
+
   @override
   Widget build(BuildContext context) {
     return new Scaffold(
@@ -46,13 +46,9 @@ class _EntityViewPageState extends State<EntityViewPage> {
         // the App.build method, and use it to set our appbar title.
         title: new Text(_title),
       ),
-      body: Padding(
-          padding: EdgeInsets.all(10.0),
-          child: ListView(
-            children: <Widget>[
-              _entity.buildExtendedWidget(context, _lastState)
-            ],
-          ),
+      body: HomeAssistantModel(
+          homeAssistant: widget.homeAssistant,
+          child: widget.homeAssistant.entities.get(widget.entityId).buildEntityPageWidget(context)
       ),
     );
   }
@@ -60,6 +56,7 @@ class _EntityViewPageState extends State<EntityViewPage> {
   @override
   void dispose(){
     if (_stateSubscription != null) _stateSubscription.cancel();
+    if (_refreshDataSubscription != null) _refreshDataSubscription.cancel();
     super.dispose();
   }
 }

lib/entity_class/alarm_control_panel.class.dart

@@ -0,0 +1,13 @@
+part of '../main.dart';
+
+class AlarmControlPanelEntity extends Entity {
+  AlarmControlPanelEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return AlarmControlPanelControlsWidget(
+      extended: false,
+    );
+  }
+}

lib/entity_class/automation_entity.dart

@@ -0,0 +1,27 @@
+part of '../main.dart';
+
+class AutomationEntity extends Entity {
+  AutomationEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return SwitchStateWidget();
+  }
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      mainAxisSize: MainAxisSize.max,
+      children: <Widget>[
+        FlatServiceButton(
+          serviceDomain: domain,
+          entityId: entityId,
+          text: "TRIGGER",
+          serviceName: "trigger",
+        )
+      ],
+    );
+  }
+}

lib/entity_class/button_entity.class.dart

@@ -0,0 +1,16 @@
+part of '../main.dart';
+
+class ButtonEntity extends Entity {
+  ButtonEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return FlatServiceButton(
+      entityId: entityId,
+      serviceDomain: domain,
+      serviceName: 'turn_on',
+      text: domain == "scene" ? "ACTIVATE" : "EXECUTE",
+    );
+  }
+}

lib/entity_class/camera_entity.class.dart

@@ -0,0 +1,17 @@
+part of '../main.dart';
+
+class CameraEntity extends Entity {
+
+  static const SUPPORT_ON_OFF = 1;
+
+  CameraEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  bool get supportOnOff => ((supportedFeatures &
+  CameraEntity.SUPPORT_ON_OFF) ==
+      CameraEntity.SUPPORT_ON_OFF);
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return CameraStreamView();
+  }
+}

lib/entity_class/climate_entity.class.dart

@@ -0,0 +1,129 @@
+part of '../main.dart';
+
+class ClimateEntity extends Entity {
+
+  @override
+  EntityHistoryConfig historyConfig = EntityHistoryConfig(
+    chartType: EntityHistoryWidgetType.numericAttributes,
+    numericState: false,
+    numericAttributesToShow: ["current_temperature"]
+  );
+
+  static const SUPPORT_TARGET_TEMPERATURE = 1;
+  static const SUPPORT_TARGET_TEMPERATURE_HIGH = 2;
+  static const SUPPORT_TARGET_TEMPERATURE_LOW = 4;
+  static const SUPPORT_TARGET_HUMIDITY = 8;
+  static const SUPPORT_TARGET_HUMIDITY_HIGH = 16;
+  static const SUPPORT_TARGET_HUMIDITY_LOW = 32;
+  static const SUPPORT_FAN_MODE = 64;
+  static const SUPPORT_OPERATION_MODE = 128;
+  static const SUPPORT_HOLD_MODE = 256;
+  static const SUPPORT_SWING_MODE = 512;
+  static const SUPPORT_AWAY_MODE = 1024;
+  static const SUPPORT_AUX_HEAT = 2048;
+  static const SUPPORT_ON_OFF = 4096;
+
+  ClimateEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  bool get supportTargetTemperature => ((supportedFeatures &
+  ClimateEntity.SUPPORT_TARGET_TEMPERATURE) ==
+      ClimateEntity.SUPPORT_TARGET_TEMPERATURE);
+  bool get supportTargetTemperatureHigh => ((supportedFeatures &
+  ClimateEntity.SUPPORT_TARGET_TEMPERATURE_HIGH) ==
+      ClimateEntity.SUPPORT_TARGET_TEMPERATURE_HIGH);
+  bool get supportTargetTemperatureLow => ((supportedFeatures &
+  ClimateEntity.SUPPORT_TARGET_TEMPERATURE_LOW) ==
+      ClimateEntity.SUPPORT_TARGET_TEMPERATURE_LOW);
+  bool get supportTargetHumidity => ((supportedFeatures &
+  ClimateEntity.SUPPORT_TARGET_HUMIDITY) ==
+      ClimateEntity.SUPPORT_TARGET_HUMIDITY);
+  bool get supportTargetHumidityHigh => ((supportedFeatures &
+  ClimateEntity.SUPPORT_TARGET_HUMIDITY_HIGH) ==
+      ClimateEntity.SUPPORT_TARGET_HUMIDITY_HIGH);
+  bool get supportTargetHumidityLow => ((supportedFeatures &
+  ClimateEntity.SUPPORT_TARGET_HUMIDITY_LOW) ==
+      ClimateEntity.SUPPORT_TARGET_HUMIDITY_LOW);
+  bool get supportFanMode =>
+      ((supportedFeatures & ClimateEntity.SUPPORT_FAN_MODE) ==
+          ClimateEntity.SUPPORT_FAN_MODE);
+  bool get supportOperationMode => ((supportedFeatures &
+  ClimateEntity.SUPPORT_OPERATION_MODE) ==
+      ClimateEntity.SUPPORT_OPERATION_MODE);
+  bool get supportHoldMode =>
+      ((supportedFeatures & ClimateEntity.SUPPORT_HOLD_MODE) ==
+          ClimateEntity.SUPPORT_HOLD_MODE);
+  bool get supportSwingMode =>
+      ((supportedFeatures & ClimateEntity.SUPPORT_SWING_MODE) ==
+          ClimateEntity.SUPPORT_SWING_MODE);
+  bool get supportAwayMode =>
+      ((supportedFeatures & ClimateEntity.SUPPORT_AWAY_MODE) ==
+          ClimateEntity.SUPPORT_AWAY_MODE);
+  bool get supportAuxHeat =>
+      ((supportedFeatures & ClimateEntity.SUPPORT_AUX_HEAT) ==
+          ClimateEntity.SUPPORT_AUX_HEAT);
+  bool get supportOnOff =>
+      ((supportedFeatures & ClimateEntity.SUPPORT_ON_OFF) ==
+          ClimateEntity.SUPPORT_ON_OFF);
+
+  List<String> get operationList => attributes["operation_list"] != null
+      ? (attributes["operation_list"] as List).cast<String>()
+      : null;
+  List<String> get fanList => attributes["fan_list"] != null
+      ? (attributes["fan_list"] as List).cast<String>()
+      : null;
+  List<String> get swingList => attributes["swing_list"] != null
+      ? (attributes["swing_list"] as List).cast<String>()
+      : null;
+  double get temperature => _getDoubleAttributeValue('temperature');
+  double get targetHigh => _getDoubleAttributeValue('target_temp_high');
+  double get targetLow => _getDoubleAttributeValue('target_temp_low');
+  double get maxTemp => _getDoubleAttributeValue('max_temp') ?? 100.0;
+  double get minTemp => _getDoubleAttributeValue('min_temp') ?? -100.0;
+  double get targetHumidity => _getDoubleAttributeValue('humidity');
+  double get maxHumidity => _getDoubleAttributeValue('max_humidity');
+  double get minHumidity => _getDoubleAttributeValue('min_humidity');
+  double get temperatureStep => _getDoubleAttributeValue('target_temp_step') ?? 0.5;
+  String get operationMode => attributes['operation_mode'];
+  String get fanMode => attributes['fan_mode'];
+  String get swingMode => attributes['swing_mode'];
+  bool get awayMode => attributes['away_mode'] == "on";
+  bool get isOff => state == EntityState.off;
+  bool get auxHeat => attributes['aux_heat'] == "on";
+
+  @override
+  void update(Map rawData, String webHost) {
+    super.update(rawData, webHost);
+    if (supportTargetTemperature) {
+      historyConfig.numericAttributesToShow.add("temperature");
+    }
+    if (supportTargetTemperatureHigh) {
+      historyConfig.numericAttributesToShow.add("target_temp_high");
+    }
+    if (supportTargetTemperatureLow) {
+      historyConfig.numericAttributesToShow.add("target_temp_low");
+    }
+  }
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return ClimateStateWidget();
+  }
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return ClimateControlWidget();
+  }
+
+  @override
+  double _getDoubleAttributeValue(String attributeName) {
+    var temp1 = attributes["$attributeName"];
+    if (temp1 is int) {
+      return temp1.toDouble();
+    } else if (temp1 is double) {
+      return temp1;
+    } else {
+      return null;
+    }
+  }
+
+}

lib/entity_class/const.dart

@@ -0,0 +1,99 @@
+part of '../main.dart';
+
+class EntityState {
+  static const on = 'on';
+  static const off = 'off';
+  static const home = 'home';
+  static const not_home = 'not_home';
+  static const unknown = 'unknown';
+  static const open = 'open';
+  static const opening = 'opening';
+  static const closed = 'closed';
+  static const closing = 'closing';
+  static const playing = 'playing';
+  static const paused = 'paused';
+  static const idle = 'idle';
+  static const standby = 'standby';
+  static const alarm_disarmed = 'disarmed';
+  static const alarm_armed_home = 'armed_home';
+  static const alarm_armed_away = 'armed_away';
+  static const alarm_armed_night = 'armed_night';
+  static const alarm_armed_custom_bypass = 'armed_custom_bypass';
+  static const alarm_pending = 'pending';
+  static const alarm_arming = 'arming';
+  static const alarm_disarming = 'disarming';
+  static const alarm_triggered = 'triggered';
+  static const locked = 'locked';
+  static const unlocked = 'unlocked';
+  static const unavailable = 'unavailable';
+  static const ok = 'ok';
+  static const problem = 'problem';
+  static const active = 'active';
+}
+
+class EntityUIAction {
+  static const moreInfo = 'more-info';
+  static const toggle = 'toggle';
+  static const callService = 'call-service';
+  static const navigate = 'navigate';
+  static const none = 'none';
+
+  String tapAction = EntityUIAction.moreInfo;
+  String tapNavigationPath;
+  String tapService;
+  Map<String, dynamic> tapServiceData;
+  String holdAction = EntityUIAction.none;
+  String holdNavigationPath;
+  String holdService;
+  Map<String, dynamic> holdServiceData;
+
+  EntityUIAction({rawEntityData}) {
+    if (rawEntityData != null) {
+      if (rawEntityData["tap_action"] != null) {
+        if (rawEntityData["tap_action"] is String) {
+          tapAction = rawEntityData["tap_action"];
+        } else {
+          tapAction =
+              rawEntityData["tap_action"]["action"] ?? EntityUIAction.moreInfo;
+          tapNavigationPath = rawEntityData["tap_action"]["navigation_path"];
+          tapService = rawEntityData["tap_action"]["service"];
+          tapServiceData = rawEntityData["tap_action"]["service_data"];
+        }
+      }
+      if (rawEntityData["hold_action"] != null) {
+        if (rawEntityData["hold_action"] is String) {
+          holdAction = rawEntityData["hold_action"];
+        } else {
+          holdAction =
+              rawEntityData["hold_action"]["action"] ?? EntityUIAction.none;
+          holdNavigationPath = rawEntityData["hold_action"]["navigation_path"];
+          holdService = rawEntityData["hold_action"]["service"];
+          holdServiceData = rawEntityData["hold_action"]["service_data"];
+        }
+      }
+    }
+  }
+
+}
+
+class CardType {
+  static const horizontalStack = "horizontal-stack";
+  static const verticalStack = "vertical-stack";
+  static const entities = "entities";
+  static const glance = "glance";
+  static const mediaControl = "media-control";
+  static const weatherForecast = "weather-forecast";
+  static const thermostat = "thermostat";
+  static const sensor = "sensor";
+  static const plantStatus = "plant-status";
+  static const pictureEntity = "picture-entity";
+  static const pictureElements = "picture-elements";
+  static const picture = "picture";
+  static const map = "map";
+  static const iframe = "iframe";
+  static const gauge = "gauge";
+  static const entityButton = "entity-button";
+  static const conditional = "conditional";
+  static const alarmPanel = "alarm-panel";
+  static const markdown = "markdown";
+}

lib/entity_class/cover_entity.class.dart

@@ -0,0 +1,60 @@
+part of '../main.dart';
+
+class CoverEntity extends Entity {
+
+  static const SUPPORT_OPEN = 1;
+  static const SUPPORT_CLOSE = 2;
+  static const SUPPORT_SET_POSITION = 4;
+  static const SUPPORT_STOP = 8;
+  static const SUPPORT_OPEN_TILT = 16;
+  static const SUPPORT_CLOSE_TILT = 32;
+  static const SUPPORT_STOP_TILT = 64;
+  static const SUPPORT_SET_TILT_POSITION = 128;
+
+  CoverEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  bool get supportOpen => ((supportedFeatures &
+  CoverEntity.SUPPORT_OPEN) ==
+      CoverEntity.SUPPORT_OPEN);
+  bool get supportClose => ((supportedFeatures &
+  CoverEntity.SUPPORT_CLOSE) ==
+      CoverEntity.SUPPORT_CLOSE);
+  bool get supportSetPosition => ((supportedFeatures &
+  CoverEntity.SUPPORT_SET_POSITION) ==
+      CoverEntity.SUPPORT_SET_POSITION);
+  bool get supportStop => ((supportedFeatures &
+  CoverEntity.SUPPORT_STOP) ==
+      CoverEntity.SUPPORT_STOP);
+
+  bool get supportOpenTilt => ((supportedFeatures &
+  CoverEntity.SUPPORT_OPEN_TILT) ==
+      CoverEntity.SUPPORT_OPEN_TILT);
+  bool get supportCloseTilt => ((supportedFeatures &
+  CoverEntity.SUPPORT_CLOSE_TILT) ==
+      CoverEntity.SUPPORT_CLOSE_TILT);
+  bool get supportStopTilt => ((supportedFeatures &
+  CoverEntity.SUPPORT_STOP_TILT) ==
+      CoverEntity.SUPPORT_STOP_TILT);
+  bool get supportSetTiltPosition => ((supportedFeatures &
+  CoverEntity.SUPPORT_SET_TILT_POSITION) ==
+      CoverEntity.SUPPORT_SET_TILT_POSITION);
+
+
+  double get currentPosition => _getDoubleAttributeValue('current_position');
+  double get currentTiltPosition => _getDoubleAttributeValue('current_tilt_position');
+  bool get canBeOpened => ((state != EntityState.opening) && (state != EntityState.open)) || (state == EntityState.open && currentPosition != null && currentPosition > 0.0 && currentPosition < 100.0);
+  bool get canBeClosed => ((state != EntityState.closing) && (state != EntityState.closed));
+  bool get canTiltBeOpened => currentTiltPosition < 100;
+  bool get canTiltBeClosed => currentTiltPosition > 0;
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return CoverStateWidget();
+  }
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return CoverControlWidget();
+  }
+
+}

lib/entity_class/date_time_entity.class.dart

@@ -0,0 +1,42 @@
+part of '../main.dart';
+
+class DateTimeEntity extends Entity {
+  DateTimeEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  bool get hasDate => attributes["has_date"] ?? false;
+  bool get hasTime => attributes["has_time"] ?? false;
+  int get year => attributes["year"] ?? 1970;
+  int get month => attributes["month"] ?? 1;
+  int get day => attributes["day"] ?? 1;
+  int get hour => attributes["hour"] ?? 0;
+  int get minute => attributes["minute"] ?? 0;
+  int get second => attributes["second"] ?? 0;
+  String get formattedState => _getFormattedState();
+  DateTime get dateTimeState => _getDateTimeState();
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return DateTimeStateWidget();
+  }
+
+  DateTime _getDateTimeState() {
+    return DateTime(
+        this.year, this.month, this.day, this.hour, this.minute, this.second);
+  }
+
+  String _getFormattedState() {
+    String formattedState = "";
+    if (this.hasDate) {
+      formattedState += formatDate(dateTimeState, [M, ' ', d, ', ', yyyy]);
+    }
+    if (this.hasTime) {
+      formattedState += " " + formatDate(dateTimeState, [HH, ':', nn]);
+    }
+    return formattedState;
+  }
+
+  void setNewState(newValue) {
+    eventBus
+        .fire(new ServiceCallEvent(domain, "set_datetime", entityId, newValue));
+  }
+}

lib/entity_class/entity.class.dart

@@ -0,0 +1,282 @@
+part of '../main.dart';
+
+class StatelessEntityType {
+  static const NONE = 0;
+  static const MISSED = 1;
+  static const DIVIDER = 2;
+  static const SECTION = 3;
+  static const CALL_SERVICE = 4;
+  static const WEBLINK = 5;
+}
+
+class Entity {
+
+  static List badgeDomains = [
+    "alarm_control_panel",
+    "binary_sensor",
+    "device_tracker",
+    "updater",
+    "sun",
+    "timer",
+    "sensor"
+  ];
+
+  static Map StateByDeviceClass = {
+    "battery.on": "Low",
+    "battery.off": "Normal",
+    "cold.on": "Cold",
+    "cold.off": "Normal",
+    "connectivity.on": "Connected",
+    "connectivity.off": "Diconnected",
+    "door.on": "Open",
+    "door.off": "Closed",
+    "garage_door.on": "Open",
+    "garage_door.off": "Closed",
+    "gas.on": "Detected",
+    "gas.off": "Clear",
+    "heat.on": "Hot",
+    "heat.off": "Normal",
+    "light.on": "Detected",
+    "lignt.off": "No light",
+    "lock.on": "Unlocked",
+    "lock.off": "Locked",
+    "moisture.on": "Wet",
+    "moisture.off": "Dry",
+    "motion.on": "Detected",
+    "motion.off": "Clear",
+    "moving.on": "Moving",
+    "moving.off": "Stopped",
+    "occupancy.on": "Occupied",
+    "occupancy.off": "Clear",
+    "opening.on": "Open",
+    "opening.off": "Closed",
+    "plug.on": "Plugged in",
+    "plug.off": "Unplugged",
+    "power.on": "Powered",
+    "power.off": "No power",
+    "presence.on": "Home",
+    "presence.off": "Away",
+    "problem.on": "Problem",
+    "problem.off": "OK",
+    "safety.on": "Unsafe",
+    "safety.off": "Safe",
+    "smoke.on": "Detected",
+    "smoke.off": "Clear",
+    "sound.on": "Detected",
+    "sound.off": "Clear",
+    "vibration.on": "Detected",
+    "vibration.off": "Clear",
+    "window.on": "Open",
+    "window.off": "Closed"
+  };
+
+  Map attributes;
+  String domain;
+  String entityId;
+  String entityPicture;
+  String state;
+  String displayState;
+  DateTime _lastUpdated;
+  int statelessType = 0;
+
+  List<Entity> childEntities = [];
+  String deviceClass;
+  EntityHistoryConfig historyConfig = EntityHistoryConfig(
+    chartType: EntityHistoryWidgetType.simple
+  );
+
+  String get displayName =>
+      attributes["friendly_name"] ?? (attributes["name"] ?? entityId.split(".")[1].replaceAll("_", " "));
+
+  bool get isView =>
+      (domain == "group") &&
+      (attributes != null ? attributes["view"] ?? false : false);
+  bool get isGroup => domain == "group";
+  bool get isBadge => Entity.badgeDomains.contains(domain);
+  String get icon => attributes["icon"] ?? "";
+  bool get isOn => state == EntityState.on;
+  String get unitOfMeasurement => attributes["unit_of_measurement"] ?? "";
+  List get childEntityIds => attributes["entity_id"] ?? [];
+  String get lastUpdated => _getLastUpdatedFormatted();
+  bool get isHidden => attributes["hidden"] ?? false;
+  double get doubleState => double.tryParse(state) ?? 0.0;
+  int get supportedFeatures => attributes["supported_features"] ?? 0;
+
+  String _getEntityPictureUrl(String webHost) {
+    String result = attributes["entity_picture"];
+    if (result == null) return result;
+    if (!result.startsWith("http")) {
+      if (result.startsWith("/")) {
+        result = "$webHost$result";
+      } else {
+        result = "$webHost/$result";
+      }
+    }
+    return result;
+  }
+
+  Entity(Map rawData, String webHost) {
+    update(rawData, webHost);
+  }
+
+  Entity.missed(String entityId) {
+    statelessType = StatelessEntityType.MISSED;
+    attributes = {"hidden": false};
+    this.entityId = entityId;
+  }
+
+  Entity.divider() {
+    statelessType = StatelessEntityType.DIVIDER;
+    attributes = {"hidden": false};
+  }
+
+  Entity.section(String label) {
+    statelessType = StatelessEntityType.SECTION;
+    attributes = {"hidden": false, "friendly_name": "$label"};
+  }
+
+  Entity.callService({String icon, String name, String service, String actionName}) {
+    statelessType = StatelessEntityType.CALL_SERVICE;
+    entityId = service;
+    displayState = actionName?.toUpperCase() ?? "RUN";
+    attributes = {"hidden": false, "friendly_name": "$name", "icon": "$icon"};
+  }
+
+  Entity.weblink({String url, String name, String icon}) {
+    statelessType = StatelessEntityType.WEBLINK;
+    entityId = "custom.custom"; //TODO wtf??
+    attributes = {"hidden": false, "friendly_name": "${name ?? url}", "icon": "${icon ?? 'mdi:link'}"};
+  }
+
+  void update(Map rawData, String webHost) {
+    attributes = rawData["attributes"] ?? {};
+    domain = rawData["entity_id"].split(".")[0];
+    entityId = rawData["entity_id"];
+    deviceClass = attributes["device_class"];
+    state = rawData["state"];
+    displayState = Entity.StateByDeviceClass["$deviceClass.$state"] ?? state;
+    _lastUpdated = DateTime.tryParse(rawData["last_updated"]);
+    entityPicture = _getEntityPictureUrl(webHost);
+  }
+
+  double _getDoubleAttributeValue(String attributeName) {
+    var temp1 = attributes["$attributeName"];
+    if (temp1 is int) {
+      return temp1.toDouble();
+    } else if (temp1 is double) {
+      return temp1;
+    } else {
+      return double.tryParse("$temp1");
+    }
+  }
+
+  int _getIntAttributeValue(String attributeName) {
+    var temp1 = attributes["$attributeName"];
+    if (temp1 is int) {
+      return temp1;
+    } else if (temp1 is double) {
+      return temp1.round();
+    } else {
+      return int.tryParse("$temp1");
+    }
+  }
+
+  List<String> getStringListAttributeValue(String attribute) {
+    if (attributes["$attribute"] != null) {
+      List<String> result = (attributes["$attribute"] as List).cast<String>();
+      return result;
+    } else {
+      return null;
+    }
+  }
+
+  Widget buildDefaultWidget(BuildContext context) {
+    return DefaultEntityContainer(
+        state: _buildStatePart(context)
+    );
+  }
+
+  Widget _buildStatePart(BuildContext context) {
+    return SimpleEntityState();
+  }
+
+  Widget _buildStatePartForPage(BuildContext context) {
+    return _buildStatePart(context);
+  }
+
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return Container(
+      width: 0.0,
+      height: 0.0,
+    );
+  }
+
+  Widget buildEntityPageWidget(BuildContext context) {
+    return EntityModel(
+      entityWrapper: EntityWrapper(entity: this),
+      child: EntityPageContainer(children: <Widget>[
+        Padding(
+          padding: EdgeInsets.only(top: Sizes.rowPadding),
+          child: DefaultEntityContainer(state: _buildStatePartForPage(context)),
+        ),
+        LastUpdatedWidget(),
+        Divider(),
+        _buildAdditionalControlsForPage(context),
+        Divider(),
+        buildHistoryWidget(),
+        EntityAttributesList()
+      ]),
+      handleTap: false,
+    );
+  }
+
+  Widget buildHistoryWidget() {
+    return EntityHistoryWidget(
+      config: historyConfig,
+    );
+  }
+
+  Widget buildBadgeWidget(BuildContext context) {
+    return EntityModel(
+      entityWrapper: EntityWrapper(entity: this),
+      child: BadgeWidget(),
+      handleTap: true,
+    );
+  }
+
+  String getAttribute(String attributeName) {
+    if (attributes != null) {
+      return attributes["$attributeName"];
+    }
+    return null;
+  }
+
+  String _getLastUpdatedFormatted() {
+    if (_lastUpdated == null) {
+      return "-";
+    } else {
+      DateTime now = DateTime.now();
+      Duration d = now.difference(_lastUpdated);
+      String text;
+      int v;
+      if (d.inDays == 0) {
+        if (d.inHours == 0) {
+          if (d.inMinutes == 0) {
+            text = "seconds ago";
+            v = d.inSeconds;
+          } else {
+            text = "minutes ago";
+            v = d.inMinutes;
+          }
+        } else {
+          text = "hours ago";
+          v = d.inHours;
+        }
+      } else {
+        text = "days ago";
+        v = d.inDays;
+      }
+      return "$v $text";
+    }
+  }
+}

lib/entity_class/entity_wrapper.class.dart

@@ -0,0 +1,114 @@
+part of '../main.dart';
+
+class EntityWrapper {
+
+  String displayName;
+  String icon;
+  String entityPicture;
+  EntityUIAction uiAction;
+  Entity entity;
+
+
+  EntityWrapper({
+    this.entity,
+    String icon,
+    String displayName,
+    this.uiAction
+  }) {
+    if (entity.statelessType == StatelessEntityType.NONE || entity.statelessType == StatelessEntityType.CALL_SERVICE || entity.statelessType == StatelessEntityType.WEBLINK) {
+      this.icon = icon ?? entity.icon;
+      if (icon == null) {
+        entityPicture = entity.entityPicture;
+      }
+      this.displayName = displayName ?? entity.displayName;
+      if (uiAction == null) {
+        uiAction = EntityUIAction();
+      }
+    }
+  }
+
+  void handleTap() {
+    switch (uiAction.tapAction) {
+      case EntityUIAction.toggle: {
+        eventBus.fire(
+            ServiceCallEvent("homeassistant", "toggle", entity.entityId, null));
+        break;
+      }
+
+      case EntityUIAction.callService: {
+        if (uiAction.tapService != null) {
+          eventBus.fire(
+              ServiceCallEvent(uiAction.tapService.split(".")[0],
+                  uiAction.tapService.split(".")[1], null,
+                  uiAction.tapServiceData));
+        }
+        break;
+      }
+
+      case EntityUIAction.none: {
+        break;
+      }
+
+      case EntityUIAction.moreInfo: {
+        eventBus.fire(
+            new ShowEntityPageEvent(entity));
+        break;
+      }
+
+      case EntityUIAction.navigate: {
+        if (uiAction.tapService.startsWith("/")) {
+          //TODO handle local urls
+          Logger.w("Local urls is not supported yet");
+        } else {
+          HAUtils.launchURL(uiAction.tapService);
+        }
+        break;
+      }
+
+      default: {
+        break;
+      }
+    }
+  }
+
+  void handleHold() {
+      switch (uiAction.holdAction) {
+        case EntityUIAction.toggle: {
+          eventBus.fire(
+              ServiceCallEvent("homeassistant", "toggle", entity.entityId, null));
+          break;
+        }
+
+        case EntityUIAction.callService: {
+          if (uiAction.holdService != null) {
+            eventBus.fire(
+                ServiceCallEvent(uiAction.holdService.split(".")[0],
+                    uiAction.holdService.split(".")[1], null,
+                    uiAction.holdServiceData));
+          }
+          break;
+        }
+
+        case EntityUIAction.moreInfo: {
+          eventBus.fire(
+              new ShowEntityPageEvent(entity));
+          break;
+        }
+
+        case EntityUIAction.navigate: {
+          if (uiAction.holdService.startsWith("/")) {
+            //TODO handle local urls
+            Logger.w("Local urls is not supported yet");
+          } else {
+            HAUtils.launchURL(uiAction.holdService);
+          }
+          break;
+        }
+
+        default: {
+          break;
+        }
+      }
+  }
+
+}

lib/entity_class/fan_entity.class.dart

@@ -0,0 +1,32 @@
+part of '../main.dart';
+
+class FanEntity extends Entity {
+
+  static const SUPPORT_SET_SPEED = 1;
+  static const SUPPORT_OSCILLATE = 2;
+  static const SUPPORT_DIRECTION = 4;
+
+  FanEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  bool get supportSetSpeed => ((supportedFeatures &
+  FanEntity.SUPPORT_SET_SPEED) ==
+      FanEntity.SUPPORT_SET_SPEED);
+  bool get supportOscillate => ((supportedFeatures &
+  FanEntity.SUPPORT_OSCILLATE) ==
+      FanEntity.SUPPORT_OSCILLATE);
+  bool get supportDirection => ((supportedFeatures &
+  FanEntity.SUPPORT_DIRECTION) ==
+      FanEntity.SUPPORT_DIRECTION);
+
+  List<String> get speedList => getStringListAttributeValue("speed_list");
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return SwitchStateWidget();
+  }
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return FanControlsWidget();
+  }
+}

lib/entity_class/group_entity.class.dart

@@ -0,0 +1,44 @@
+part of '../main.dart';
+
+class GroupEntity extends Entity {
+
+  final List<String> _domainsForSwitchableGroup = ["switch", "light", "automation", "input_boolean"];
+  String mutualDomain;
+  bool switchable = false;
+
+  GroupEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    if (switchable) {
+      return SwitchStateWidget(
+        domainForService: "homeassistant",
+      );
+    } else {
+      return super._buildStatePart(context);
+    }
+  }
+
+  @override
+  void update(Map rawData, String webHost) {
+    super.update(rawData, webHost);
+    if (_isOneDomain()) {
+      mutualDomain = attributes['entity_id'][0].split(".")[0];
+      switchable = _domainsForSwitchableGroup.contains(mutualDomain);
+    }
+  }
+
+  bool _isOneDomain() {
+    bool result = false;
+    if (attributes['entity_id'] != null && attributes['entity_id'] is List && attributes['entity_id'].isNotEmpty) {
+      String firstChildDomain = attributes['entity_id'][0].split(".")[0];
+      result = true;
+      attributes['entity_id'].forEach((childEntityId){
+        if (childEntityId.split(".")[0] != firstChildDomain) {
+          result = false;
+        }
+      });
+    }
+    return result;
+  }
+}

lib/entity_class/light_entity.class.dart

@@ -0,0 +1,79 @@
+part of '../main.dart';
+
+class LightEntity extends Entity {
+
+  static const SUPPORT_BRIGHTNESS = 1;
+  static const SUPPORT_COLOR_TEMP = 2;
+  static const SUPPORT_EFFECT = 4;
+  static const SUPPORT_FLASH = 8;
+  static const SUPPORT_COLOR = 16;
+  static const SUPPORT_TRANSITION = 32;
+  static const SUPPORT_WHITE_VALUE = 128;
+
+  bool get supportBrightness => ((supportedFeatures &
+  LightEntity.SUPPORT_BRIGHTNESS) ==
+      LightEntity.SUPPORT_BRIGHTNESS);
+  bool get supportColorTemp => ((supportedFeatures &
+  LightEntity.SUPPORT_COLOR_TEMP) ==
+      LightEntity.SUPPORT_COLOR_TEMP);
+  bool get supportEffect => ((supportedFeatures &
+  LightEntity.SUPPORT_EFFECT) ==
+      LightEntity.SUPPORT_EFFECT);
+  bool get supportFlash => ((supportedFeatures &
+  LightEntity.SUPPORT_FLASH) ==
+      LightEntity.SUPPORT_FLASH);
+  bool get supportColor => ((supportedFeatures &
+  LightEntity.SUPPORT_COLOR) ==
+      LightEntity.SUPPORT_COLOR);
+  bool get supportTransition => ((supportedFeatures &
+  LightEntity.SUPPORT_TRANSITION) ==
+      LightEntity.SUPPORT_TRANSITION);
+  bool get supportWhiteValue => ((supportedFeatures &
+  LightEntity.SUPPORT_WHITE_VALUE) ==
+      LightEntity.SUPPORT_WHITE_VALUE);
+
+  int get brightness => _getIntAttributeValue("brightness");
+  int get whiteValue => _getIntAttributeValue("white_value");
+  String get effect => attributes["effect"];
+  int get colorTemp => _getIntAttributeValue("color_temp");
+  double get maxMireds => _getDoubleAttributeValue("max_mireds");
+  double get minMireds => _getDoubleAttributeValue("min_mireds");
+  HSVColor get color => _getColor();
+  bool get isAdditionalControls => ((supportedFeatures != null) && (supportedFeatures != 0));
+  List<String> get effectList => getStringListAttributeValue("effect_list");
+
+  LightEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  HSVColor _getColor() {
+    List hs = attributes["hs_color"];
+    List rgb = attributes["rgb_color"];
+    try {
+      if (hs != null && hs.isNotEmpty) {
+        double sat = hs[1]/100;
+        String ssat = sat.toStringAsFixed(2);
+        return HSVColor.fromAHSV(1.0, hs[0], double.parse(ssat), 1.0);
+      } else if (rgb != null && rgb.isNotEmpty) {
+        return HSVColor.fromColor(Color.fromARGB(255, rgb[0], rgb[1], rgb[2]));
+      } else {
+        return null;
+      }
+    } catch (e) {
+      return null;
+    }
+  }
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return SwitchStateWidget();
+  }
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    if (!isAdditionalControls || state == EntityState.unavailable) {
+      return Container(height: 0.0, width: 0.0);
+    } else {
+      return LightControlsWidget();
+    }
+  }
+
+}

lib/entity_class/lock_entity.class.dart

@@ -0,0 +1,21 @@
+part of '../main.dart';
+
+class LockEntity extends Entity {
+  LockEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  bool get isLocked => state == "locked";
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return LockStateWidget(
+      assumedState: false,
+    );
+  }
+
+  @override
+  Widget _buildStatePartForPage(BuildContext context) {
+    return LockStateWidget(
+      assumedState: true,
+    );
+  }
+}

lib/entity_class/media_player_entity.class.dart

@@ -0,0 +1,83 @@
+part of '../main.dart';
+
+class MediaPlayerEntity extends Entity {
+
+  static const SUPPORT_PAUSE = 1;
+  static const SUPPORT_SEEK = 2;
+  static const SUPPORT_VOLUME_SET = 4;
+  static const SUPPORT_VOLUME_MUTE = 8;
+  static const SUPPORT_PREVIOUS_TRACK = 16;
+  static const SUPPORT_NEXT_TRACK = 32;
+
+  static const SUPPORT_TURN_ON = 128;
+  static const SUPPORT_TURN_OFF = 256;
+  static const SUPPORT_PLAY_MEDIA = 512;
+  static const SUPPORT_VOLUME_STEP = 1024;
+  static const SUPPORT_SELECT_SOURCE = 2048;
+  static const SUPPORT_STOP = 4096;
+  static const SUPPORT_CLEAR_PLAYLIST = 8192;
+  static const SUPPORT_PLAY = 16384;
+  static const SUPPORT_SHUFFLE_SET = 32768;
+  static const SUPPORT_SELECT_SOUND_MODE = 65536;
+
+  MediaPlayerEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  bool get supportPause => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_PAUSE) ==
+      MediaPlayerEntity.SUPPORT_PAUSE);
+  bool get supportSeek => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_SEEK) ==
+      MediaPlayerEntity.SUPPORT_SEEK);
+  bool get supportVolumeSet => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_VOLUME_SET) ==
+      MediaPlayerEntity.SUPPORT_VOLUME_SET);
+  bool get supportVolumeMute => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_VOLUME_MUTE) ==
+      MediaPlayerEntity.SUPPORT_VOLUME_MUTE);
+  bool get supportPreviousTrack => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_PREVIOUS_TRACK) ==
+      MediaPlayerEntity.SUPPORT_PREVIOUS_TRACK);
+  bool get supportNextTrack => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_NEXT_TRACK) ==
+      MediaPlayerEntity.SUPPORT_NEXT_TRACK);
+
+  bool get supportTurnOn => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_TURN_ON) ==
+      MediaPlayerEntity.SUPPORT_TURN_ON);
+  bool get supportTurnOff => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_TURN_OFF) ==
+      MediaPlayerEntity.SUPPORT_TURN_OFF);
+  bool get supportPlayMedia => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_PLAY_MEDIA) ==
+      MediaPlayerEntity.SUPPORT_PLAY_MEDIA);
+  bool get supportVolumeStep => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_VOLUME_STEP) ==
+      MediaPlayerEntity.SUPPORT_VOLUME_STEP);
+  bool get supportSelectSource => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_SELECT_SOURCE) ==
+      MediaPlayerEntity.SUPPORT_SELECT_SOURCE);
+  bool get supportStop => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_STOP) ==
+      MediaPlayerEntity.SUPPORT_STOP);
+  bool get supportClearPlaylist => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_CLEAR_PLAYLIST) ==
+      MediaPlayerEntity.SUPPORT_CLEAR_PLAYLIST);
+  bool get supportPlay => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_PLAY) ==
+      MediaPlayerEntity.SUPPORT_PLAY);
+  bool get supportShuffleSet => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_SHUFFLE_SET) ==
+      MediaPlayerEntity.SUPPORT_SHUFFLE_SET);
+  bool get supportSelectSoundMode => ((supportedFeatures &
+  MediaPlayerEntity.SUPPORT_SELECT_SOUND_MODE) ==
+      MediaPlayerEntity.SUPPORT_SELECT_SOUND_MODE);
+
+  List<String> get soundModeList => getStringListAttributeValue("sound_mode_list");
+  List<String> get sourceList => getStringListAttributeValue("source_list");
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return MediaPlayerControls();
+  }
+
+}

lib/entity_class/other_entity.class.dart

@@ -0,0 +1,17 @@
+part of '../main.dart';
+
+class SunEntity extends Entity {
+  SunEntity(Map rawData, String webHost) : super(rawData, webHost);
+}
+
+class SensorEntity extends Entity {
+
+  @override
+  EntityHistoryConfig historyConfig = EntityHistoryConfig(
+      chartType: EntityHistoryWidgetType.numericState,
+      numericState: true
+  );
+
+  SensorEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+}

lib/entity_class/select_entity.class.dart

@@ -0,0 +1,14 @@
+part of '../main.dart';
+
+class SelectEntity extends Entity {
+  List<String> get listOptions => attributes["options"] != null
+      ? (attributes["options"] as List).cast<String>()
+      : [];
+
+  SelectEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return SelectStateWidget();
+  }
+}

lib/entity_class/slider_entity.dart

@@ -0,0 +1,44 @@
+part of '../main.dart';
+
+class SliderEntity extends Entity {
+  SliderEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  double get minValue => _getDoubleAttributeValue("min") ?? 0.0;
+  double get maxValue =>_getDoubleAttributeValue("max") ?? 100.0;
+  double get valueStep => _getDoubleAttributeValue("step") ?? 1.0;
+
+  @override
+  EntityHistoryConfig historyConfig = EntityHistoryConfig(
+      chartType: EntityHistoryWidgetType.numericState,
+      numericState: true
+  );
+
+  /*@override
+  Widget _buildStatePart(BuildContext context) {
+    return Expanded(
+      //width: 200.0,
+      child: Row(
+        children: <Widget>[
+          SliderStateWidget(
+            expanded: true,
+          ),
+          SimpleEntityState(
+            expanded: false,
+          ),
+        ],
+      ),
+    );
+  }
+
+  @override
+  Widget _buildStatePartForPage(BuildContext context) {
+    return SimpleEntityState(
+      expanded: false,
+    );
+  }*/
+
+  @override
+  Widget _buildAdditionalControlsForPage(BuildContext context) {
+    return SliderControlsWidget();
+  }
+}

lib/entity_class/switch_entity.class.dart

@@ -0,0 +1,10 @@
+part of '../main.dart';
+
+class SwitchEntity extends Entity {
+  SwitchEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return SwitchStateWidget();
+  }
+}

lib/entity_class/text_entity.class.dart

@@ -0,0 +1,16 @@
+part of '../main.dart';
+
+class TextEntity extends Entity {
+  TextEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  int get valueMinLength => attributes["min"] ?? -1;
+  int get valueMaxLength => attributes["max"] ?? -1;
+  String get valuePattern => attributes["pattern"] ?? null;
+  bool get isTextField => attributes["mode"] == "text";
+  bool get isPasswordField => attributes["mode"] == "password";
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return TextInputStateWidget();
+  }
+}

lib/entity_class/timer_entity.dart

@@ -0,0 +1,45 @@
+part of '../main.dart';
+
+class TimerEntity extends Entity {
+  TimerEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  Duration duration;
+
+  @override
+  void update(Map rawData, String webHost) {
+    super.update(rawData, webHost);
+    String durationSource = "${attributes["duration"]}";
+    if (durationSource != null && durationSource.isNotEmpty) {
+      try {
+        List<String> durationList = durationSource.split(":");
+        if (durationList.length == 1) {
+          duration = Duration(seconds: int.tryParse(durationList[0] ?? 0));
+        } else if (durationList.length == 2) {
+          duration = Duration(
+              hours: int.tryParse(durationList[0]) ?? 0,
+              minutes: int.tryParse(durationList[1]) ?? 0
+          );
+        } else if (durationList.length == 3) {
+          duration = Duration(
+              hours: int.tryParse(durationList[0]) ?? 0,
+              minutes: int.tryParse(durationList[1]) ?? 0,
+              seconds: int.tryParse(durationList[2]) ?? 0
+          );
+        } else {
+          Logger.e("Strange $entityId duration format: $durationSource");
+          duration = Duration(seconds: 0);
+        }
+      } catch (e) {
+        Logger.e("Error parsing duration for $entityId: ${e.toString()}");
+        duration = Duration(seconds: 0);
+      }
+    } else {
+      duration = Duration(seconds: 0);
+    }
+  }
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return TimerState();
+  }
+}

lib/entity_collection.class.dart

@@ -2,111 +2,179 @@ part of 'main.dart';
 
 class EntityCollection {
 
-  Map<String, Entity> _entities;
-  List<String> viewList;
+  final homeAssistantWebHost;
 
-  EntityCollection() {
-    _entities = {};
-    viewList = [];
+  Map<String, Entity> _allEntities;
+  //Map<String, Entity> views;
+
+  bool get isEmpty => _allEntities.isEmpty;
+  List<Entity> get viewEntities => _allEntities.values.where((entity) => entity.isView).toList();
+
+  EntityCollection(this.homeAssistantWebHost) {
+    _allEntities = {};
+    //views = {};
   }
 
-  bool get hasDefaultView => _entities["group.default_view"] != null;
+  bool get hasDefaultView => _allEntities.keys.contains("group.default_view");
 
   void parse(List rawData) {
-    _entities.clear();
-    viewList.clear();
+    _allEntities.clear();
+    //views.clear();
 
-    TheLogger.log("Debug","Parsing ${rawData.length} Home Assistant entities");
+    Logger.d("Parsing ${rawData.length} Home Assistant entities");
     rawData.forEach((rawEntityData) {
-      Entity newEntity = addFromRaw(rawEntityData);
-
-      if (newEntity.isView) {
-        viewList.add(newEntity.entityId);
-      }
+      addFromRaw(rawEntityData);
     });
+    _allEntities.forEach((entityId, entity){
+      if ((entity.isGroup) && (entity.childEntityIds != null)) {
+        entity.childEntities = getAll(entity.childEntityIds);
+      }
+      /*if (entity.isView) {
+        views[entityId] = entity;
+      }*/
+    });
+  }
+
+  void clear() {
+    _allEntities.clear();
   }
 
   Entity _createEntityInstance(rawEntityData) {
     switch (rawEntityData["entity_id"].split(".")[0]) {
-      case "automation":
-      case "input_boolean ":
-      case "switch":
-      case "light": {
-        return SwitchEntity(rawEntityData);
+      case 'sun': {
+        return SunEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "media_player": {
+        return MediaPlayerEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case 'sensor': {
+        return SensorEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case 'lock': {
+        return LockEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "automation": {
+        return AutomationEntity(rawEntityData, homeAssistantWebHost);
       }
 
+      case "input_boolean":
+      case "switch": {
+        return SwitchEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "light": {
+        return LightEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "group": {
+        return GroupEntity(rawEntityData, homeAssistantWebHost);
+      }
       case "script":
       case "scene": {
-        return ButtonEntity(rawEntityData);
+        return ButtonEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "input_datetime": {
+        return DateTimeEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "input_select": {
+        return SelectEntity(rawEntityData, homeAssistantWebHost);
       }
-
-      case "input_text":
       case "input_number": {
-        return InputEntity(rawEntityData);
+        return SliderEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "input_text": {
+        return TextEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "climate": {
+        return ClimateEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "cover": {
+        return CoverEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "fan": {
+        return FanEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "camera": {
+        return CameraEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "alarm_control_panel": {
+        return AlarmControlPanelEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "timer": {
+        return TimerEntity(rawEntityData, homeAssistantWebHost);
       }
-
       default: {
-        return Entity(rawEntityData);
+        return Entity(rawEntityData, homeAssistantWebHost);
       }
     }
   }
 
-  void updateState(Map rawStateData) {
+  bool updateState(Map rawStateData) {
     if (isExist(rawStateData["entity_id"])) {
       updateFromRaw(rawStateData["new_state"] ?? rawStateData["old_state"]);
+      return false;
     } else {
       addFromRaw(rawStateData["new_state"] ?? rawStateData["old_state"]);
+      return true;
     }
   }
 
   void add(Entity entity) {
-    _entities[entity.entityId] = entity;
+    _allEntities[entity.entityId] = entity;
   }
 
-  Entity addFromRaw(Map rawEntityData) {
+  void addFromRaw(Map rawEntityData) {
     Entity entity = _createEntityInstance(rawEntityData);
-    _entities[entity.entityId] = entity;
-    return entity;
+    _allEntities[entity.entityId] = entity;
   }
 
   void updateFromRaw(Map rawEntityData) {
-    //TODO pass entity in this function and call update from it
-    _entities[rawEntityData["entity_id"]].update(rawEntityData);
+    get("${rawEntityData["entity_id"]}")?.update(rawEntityData, homeAssistantWebHost);
   }
 
   Entity get(String entityId) {
-    return _entities[entityId];
+    return _allEntities[entityId];
+  }
+
+  List<Entity> getAll(List ids) {
+    List<Entity> result = [];
+    ids.forEach((id){
+      Entity en = get(id);
+      if (en != null) {
+        result.add(en);
+      }
+    });
+    return result;
   }
 
   bool isExist(String entityId) {
-    return _entities[entityId] != null;
+    return _allEntities[entityId] != null;
   }
 
-  Map<String,List<String>> getDefaultViewTopLevelEntities() {
-    Map<String,List<String>> result = {"userGroups": [], "notGroupedEntities": []};
-    List<String> entities = [];
-    _entities.forEach((id, entity){
-      if ((id.indexOf("group.") == 0) && (id.indexOf(".all_") == -1) && (!entity.isView)) {
-        result["userGroups"].add(id);
+  List<Entity> filterEntitiesForDefaultView() {
+    List<Entity> result = [];
+    List<Entity> groups = [];
+    List<Entity> nonGroupEntities = [];
+    _allEntities.forEach((id, entity){
+      if (entity.isGroup && (entity.attributes['auto'] == null || (entity.attributes['auto'] && !entity.isHidden)) && (!entity.isView)) {
+        groups.add(entity);
       }
       if (!entity.isGroup) {
-        entities.add(id);
+        nonGroupEntities.add(entity);
       }
     });
 
-    entities.forEach((entiyId) {
+    nonGroupEntities.forEach((entity) {
       bool foundInGroup = false;
-      result["userGroups"].forEach((userGroupId) {
-        if (_entities[userGroupId].childEntities.contains(entiyId)) {
+      groups.forEach((groupEntity) {
+        if (groupEntity.childEntityIds.contains(entity.entityId)) {
           foundInGroup = true;
         }
       });
       if (!foundInGroup) {
-        result["notGroupedEntities"].add(entiyId);
+        result.add(entity);
       }
     });
+    result.insertAll(0, groups);
 
     return result;
   }
-
 }

lib/entity_widgets/button_entity_container.dart

@@ -0,0 +1,50 @@
+part of '../main.dart';
+
+class ButtonEntityContainer extends StatelessWidget {
+
+  ButtonEntityContainer({
+    Key key,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final EntityWrapper entityWrapper = EntityModel.of(context).entityWrapper;
+    if (entityWrapper.entity.statelessType == StatelessEntityType.MISSED) {
+      return MissedEntityWidget();
+    }
+    if (entityWrapper.entity.statelessType > StatelessEntityType.MISSED) {
+      return Container(width: 0.0, height: 0.0,);
+    }
+    return InkWell(
+      onTap: () => entityWrapper.handleTap(),
+      onLongPress: () => entityWrapper.handleHold(),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[
+          FractionallySizedBox(
+            widthFactor: 0.4,
+            child: FittedBox(
+                fit: BoxFit.fitHeight,
+                child: EntityIcon(
+                  padding: EdgeInsets.fromLTRB(2.0, 6.0, 2.0, 2.0),
+                  size: Sizes.iconSize,
+                )
+            ),
+          ),
+          _buildName()
+        ],
+      ),
+    );
+  }
+
+  Widget _buildName() {
+    return EntityName(
+      padding: EdgeInsets.fromLTRB(Sizes.buttonPadding, 0.0, Sizes.buttonPadding, Sizes.rowPadding),
+      textOverflow: TextOverflow.ellipsis,
+      maxLines: 3,
+      wordsWrap: true,
+      textAlign: TextAlign.center,
+      fontSize: Sizes.nameFontSize,
+    );
+  }
+}

lib/entity_widgets/common/badge.dart

@@ -0,0 +1,134 @@
+part of '../../main.dart';
+
+class BadgeWidget extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    double iconSize = 26.0;
+    Widget badgeIcon;
+    String onBadgeTextValue;
+    Color iconColor = EntityColor.badgeColors[entityModel.entityWrapper.entity.domain] ??
+        EntityColor.badgeColors["default"];
+    switch (entityModel.entityWrapper.entity.domain) {
+      case "sun":
+        {
+          badgeIcon = entityModel.entityWrapper.entity.state == "below_horizon"
+              ? Icon(
+            MaterialDesignIcons.getIconDataFromIconCode(0xf0dc),
+            size: iconSize,
+          )
+              : Icon(
+            MaterialDesignIcons.getIconDataFromIconCode(0xf5a8),
+            size: iconSize,
+          );
+          break;
+        }
+      case "camera":
+      case "media_player":
+      case "binary_sensor":
+        {
+          badgeIcon = EntityIcon(
+            padding: EdgeInsets.all(0.0),
+            size: iconSize,
+            color: Colors.black
+          );
+          break;
+        }
+      case "device_tracker":
+        {
+          badgeIcon = EntityIcon(
+              padding: EdgeInsets.all(0.0),
+              size: iconSize,
+              color: Colors.black
+          );
+          onBadgeTextValue = entityModel.entityWrapper.entity.state;
+          break;
+        }
+      default:
+        {
+          onBadgeTextValue = entityModel.entityWrapper.entity.unitOfMeasurement;
+          badgeIcon = Center(
+            child: Text(
+              "${entityModel.entityWrapper.entity.state}",
+              overflow: TextOverflow.fade,
+              softWrap: false,
+              textAlign: TextAlign.center,
+              style: TextStyle(fontSize: 17.0),
+            ),
+          );
+          break;
+        }
+    }
+    Widget onBadgeText;
+    if (onBadgeTextValue == null || onBadgeTextValue.length == 0) {
+      onBadgeText = Container(width: 0.0, height: 0.0);
+    } else {
+      onBadgeText = Container(
+          padding: EdgeInsets.fromLTRB(6.0, 2.0, 6.0, 2.0),
+          child: Text("$onBadgeTextValue",
+              style: TextStyle(fontSize: 12.0, color: Colors.white),
+              textAlign: TextAlign.center,
+              softWrap: false,
+              overflow: TextOverflow.fade),
+          decoration: new BoxDecoration(
+            // Circle shape
+            //shape: BoxShape.circle,
+            color: iconColor,
+            borderRadius: BorderRadius.circular(9.0),
+          ));
+    }
+    return GestureDetector(
+        child: Column(
+          children: <Widget>[
+            Container(
+              margin: EdgeInsets.fromLTRB(0.0, 10.0, 0.0, 10.0),
+              width: 50.0,
+              height: 50.0,
+              decoration: new BoxDecoration(
+                // Circle shape
+                shape: BoxShape.circle,
+                color: Colors.white,
+                // The border you want
+                border: new Border.all(
+                  width: 2.0,
+                  color: iconColor,
+                ),
+              ),
+              child: Stack(
+                overflow: Overflow.visible,
+                children: <Widget>[
+                  Positioned(
+                    width: 46.0,
+                    height: 46.0,
+                    top: 0.0,
+                    left: 0.0,
+                    child: badgeIcon,
+                  ),
+                  Positioned(
+                    //width: 50.0,
+                      bottom: -9.0,
+                      left: -10.0,
+                      right: -10.0,
+                      child: Center(
+                        child: onBadgeText,
+                      ))
+                ],
+              ),
+            ),
+            Container(
+              width: 60.0,
+              child: Text(
+                "${entityModel.entityWrapper.displayName}",
+                textAlign: TextAlign.center,
+                style: TextStyle(fontSize: 12.0),
+                softWrap: true,
+                maxLines: 3,
+                overflow: TextOverflow.ellipsis,
+              ),
+            ),
+          ],
+        ),
+        onTap: () =>
+            eventBus.fire(new ShowEntityPageEvent(entityModel.entityWrapper.entity)));
+  }
+}

lib/entity_widgets/common/camera_stream_view.dart

@@ -0,0 +1,177 @@
+part of '../../main.dart';
+
+class CameraStreamView extends StatefulWidget {
+
+  CameraStreamView({Key key}) : super(key: key);
+
+  @override
+  _CameraStreamViewState createState() => _CameraStreamViewState();
+}
+
+class _CameraStreamViewState extends State<CameraStreamView> {
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  CameraEntity _entity;
+  String _webHost;
+
+  http.Client client;
+  http.StreamedResponse response;
+  List<int> binaryImage = [];
+  bool timeToStop = false;
+  Completer streamCompleter;
+  bool started = false;
+  bool useSVG = false;
+
+  void _connect() async {
+    started = true;
+    timeToStop = false;
+    String streamUrl = '$_webHost/api/camera_proxy_stream/${_entity.entityId}?token=${_entity.attributes['access_token']}';
+    client = new http.Client(); // create a client to make api calls
+    http.Request request = new http.Request("GET", Uri.parse(streamUrl));  // create get request
+    Logger.d("[Sending] ==> $streamUrl");
+    response = await client.send(request);
+    Logger.d("[Received] <== ${response.headers}");
+    String frameBoundary = response.headers['content-type'].split('boundary=')[1];
+    final int frameBoundarySize = frameBoundary.length;
+    List<int> primaryBuffer=[];
+    int imageSizeStart = 59;
+    int imageSizeEnd = 0;
+    int imageStart = 0;
+    int imageSize = 0;
+    String strBuffer = "";
+    String contentType = "";
+    streamCompleter = Completer();
+    response.stream.transform(
+        StreamTransformer.fromHandlers(
+          handleData: (data, sink) {
+            primaryBuffer.addAll(data);
+            imageStart = 0;
+            imageSizeEnd = 0;
+            if (primaryBuffer.length >= imageSizeStart + 10) {
+              contentType = utf8.decode(
+                  primaryBuffer.sublist(frameBoundarySize+16, imageSizeStart + 10), allowMalformed: true).split("\r\n")[0];
+              useSVG = contentType == "image/svg+xml";
+              imageSizeStart = frameBoundarySize + 16 + contentType.length + 18;
+              for (int i = imageSizeStart; i < primaryBuffer.length - 4; i++) {
+                strBuffer = utf8.decode(
+                    primaryBuffer.sublist(i, i + 4), allowMalformed: true);
+                if (strBuffer == "\r\n\r\n") {
+                  imageSizeEnd = i;
+                  imageStart = i + 4;
+                  break;
+                }
+              }
+              if (imageSizeEnd > 0) {
+                imageSize = int.tryParse(utf8.decode(
+                    primaryBuffer.sublist(imageSizeStart, imageSizeEnd),
+                    allowMalformed: true));
+                //Logger.d("content-length: $imageSize");
+                if (imageSize != null &&
+                    primaryBuffer.length >= imageStart + imageSize + 2) {
+                  sink.add(
+                      primaryBuffer.sublist(
+                          imageStart, imageStart + imageSize));
+                  primaryBuffer.removeRange(0, imageStart + imageSize + 2);
+                }
+              }
+            }
+            if (timeToStop) {
+              sink?.close();
+              streamCompleter.complete();
+            }
+          },
+          handleError: (error, stack, sink) {
+            Logger.e("Error parsing MJPEG stream: $error");
+          },
+          handleDone: (sink) {
+            Logger.d("Camera stream finished. Reconnecting...");
+            sink?.close();
+            streamCompleter?.complete();
+            _reconnect();
+          },
+        )
+    ).listen((d) {
+      if (!timeToStop) {
+        setState(() {
+          binaryImage = d;
+        });
+      }
+    });
+  }
+
+  void _reconnect() {
+    disconnect().then((_){
+      _connect();
+    });
+  }
+
+  Future disconnect() {
+    Completer disconF = Completer();
+    timeToStop = true;
+    if (streamCompleter != null && !streamCompleter.isCompleted) {
+      streamCompleter.future.then((_) {
+        client?.close();
+        disconF.complete();
+      });
+    } else {
+      client?.close();
+      disconF.complete();
+    }
+    return disconF.future;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (!started) {
+      _entity = EntityModel
+          .of(context)
+          .entityWrapper
+          .entity;
+      _webHost = HomeAssistantModel.of(context).homeAssistant.connection.httpWebHost;
+      _connect();
+    }
+
+    if (binaryImage.isEmpty) {
+      return Column(
+        children: <Widget>[
+          Container(
+              padding: const EdgeInsets.all(20.0),
+              child: const CircularProgressIndicator()
+          )
+        ],
+      );
+    } else {
+      if (useSVG) {
+        return Column(
+          children: <Widget>[
+            SvgPicture.memory(
+              Uint8List.fromList(binaryImage),
+              placeholderBuilder: (BuildContext context) =>
+              new Container(
+                  padding: const EdgeInsets.all(20.0),
+                  child: const CircularProgressIndicator()
+              ),
+            )
+          ],
+        );
+      } else {
+        return Column(
+          children: <Widget>[
+            Image.memory(
+                Uint8List.fromList(binaryImage), gaplessPlayback: true),
+          ],
+        );
+      }
+    }
+  }
+
+  @override
+  void dispose() {
+    disconnect();
+    super.dispose();
+  }
+}

lib/entity_widgets/common/entity_attributes_list.dart

@@ -0,0 +1,49 @@
+part of '../../main.dart';
+
+class EntityAttributesList extends StatelessWidget {
+  EntityAttributesList({Key key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    List<Widget> attrs = [];
+    entityModel.entityWrapper.entity.attributes.forEach((name, value) {
+      attrs.add(_buildSingleAttribute("$name", "${value ?? '-'}"));
+    });
+    return Padding(
+      padding: EdgeInsets.only(bottom: Sizes.rowPadding),
+      child: Column(
+        children: attrs,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        mainAxisSize: MainAxisSize.min,
+      )
+    );
+  }
+
+  Widget _buildSingleAttribute(String name, String value) {
+    return Row(
+      children: <Widget>[
+        Expanded(
+          child: Padding(
+            padding: EdgeInsets.fromLTRB(
+                Sizes.leftWidgetPadding, Sizes.rowPadding, 0.0, 0.0),
+            child: Text(
+              "$name",
+              textAlign: TextAlign.left,
+            ),
+          ),
+        ),
+        Expanded(
+          child: Padding(
+            padding: EdgeInsets.fromLTRB(
+                0.0, Sizes.rowPadding, Sizes.rightWidgetPadding, 0.0),
+            child: Text(
+              "${value}",
+              textAlign: TextAlign.right,
+            ),
+          ),
+        )
+      ],
+    );
+  }
+}

lib/entity_widgets/common/flat_service_button.dart

@@ -0,0 +1,41 @@
+part of '../../main.dart';
+
+class FlatServiceButton extends StatelessWidget {
+
+  final String serviceDomain;
+  final String serviceName;
+  final String entityId;
+  final String text;
+  final double fontSize;
+
+  FlatServiceButton({
+    Key key,
+    @required this.serviceDomain,
+    @required this.serviceName,
+    @required this.entityId,
+    @required this.text,
+    this.fontSize: Sizes.stateFontSize
+  }) : super(key: key);
+
+  void _setNewState() {
+    eventBus.fire(new ServiceCallEvent(serviceDomain, serviceName, entityId, null));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+        height: fontSize*2.5,
+        child: FlatButton(
+          onPressed: (() {
+            _setNewState();
+          }),
+          child: Text(
+            text,
+            textAlign: TextAlign.right,
+            style:
+            new TextStyle(fontSize: fontSize, color: Colors.blue),
+          ),
+        )
+    );
+  }
+}

lib/entity_widgets/common/last_updated.dart

@@ -0,0 +1,18 @@
+part of '../../main.dart';
+
+class LastUpdatedWidget extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    return Padding(
+      padding: EdgeInsets.fromLTRB(
+          Sizes.leftWidgetPadding, Sizes.rowPadding, 0.0, 0.0),
+      child: Text(
+        '${entityModel.entityWrapper.entity.lastUpdated}',
+        textAlign: TextAlign.left,
+        style: TextStyle(
+            fontSize: Sizes.smallFontSize, color: Colors.black26),
+      ),
+    );
+  }
+}

lib/entity_widgets/common/light_color_picker.dart

@@ -0,0 +1,101 @@
+part of '../../main.dart';
+
+class LightColorPicker extends StatefulWidget {
+
+  final HSVColor color;
+  final onColorSelected;
+  final double hueStep;
+  final double saturationStep;
+  final EdgeInsets padding;
+
+  LightColorPicker({this.color, this.onColorSelected, this.hueStep: 15.0, this.saturationStep: 0.2, this.padding: const EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, Sizes.rowPadding, Sizes.rightWidgetPadding, 0.0)});
+
+  @override
+  LightColorPickerState createState() => new LightColorPickerState();
+}
+
+class LightColorPickerState extends State<LightColorPicker> {
+
+  @override
+  void initState() {
+    super.initState();
+
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    List<Widget> colorRows = [];
+    Border border;
+    bool isSomethingSelected = false;
+    Logger.d("Current colotfor picker: [${widget.color.hue}, ${widget.color.saturation}]");
+    for (double saturation = 1.0; saturation >= (0.0 + widget.saturationStep); saturation = double.parse((saturation - widget.saturationStep).toStringAsFixed(2))) {
+      List<Widget> rowChildren = [];
+      //Logger.d("$saturation");
+      double roundedSaturation = double.parse(widget.color.saturation.toStringAsFixed(1));
+      //Logger.d("Rounded saturation=$roundedSaturation");
+      for (double hue = 0; hue <= (365 - widget.hueStep);
+      hue += widget.hueStep) {
+        bool isExactHue = widget.color.hue.round() == hue;
+        bool isHueInRange = widget.color.hue.round() > hue && widget.color.hue.round() < (hue+widget.hueStep);
+        bool isExactSaturation = roundedSaturation == saturation;
+        bool isSaturationInRange = roundedSaturation > saturation && roundedSaturation < double.parse((saturation+widget.saturationStep).toStringAsFixed(1));
+        if ((isExactHue || isHueInRange) && (isExactSaturation || isSaturationInRange)) {
+          //Logger.d("$isExactHue $isHueInRange $isExactSaturation $isSaturationInRange (${saturation+widget.saturationStep})");
+          border = Border.all(
+            width: 2.0,
+            color: Colors.white,
+          );
+          isSomethingSelected = true;
+        } else {
+          border = null;
+        }
+        HSVColor currentColor = HSVColor.fromAHSV(1.0, hue, double.parse(saturation.toStringAsFixed(2)), 1.0);
+        rowChildren.add(
+            Flexible(
+                child: GestureDetector(
+                  child: Container(
+                    height: 40.0,
+                    decoration: BoxDecoration(
+                        color: currentColor.toColor(),
+                        border: border,
+                    ),
+                  ),
+                  onTap: () => widget.onColorSelected(currentColor),
+                )
+            )
+        );
+      }
+      colorRows.add(
+          Row(
+            children: rowChildren,
+          )
+      );
+    }
+    colorRows.add(
+        Flexible(
+            child: GestureDetector(
+              child: Container(
+                height: 40.0,
+                decoration: BoxDecoration(
+                  color: Colors.white,
+                  border: isSomethingSelected ? null : Border.all(
+                    width: 2.0,
+                    color: Colors.amber[200],
+                  )
+                ),
+              ),
+              onTap: () => widget.onColorSelected(HSVColor.fromAHSV(1.0, 30.0, 0.0, 1.0)),
+            )
+        )
+    );
+    return Padding(
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: colorRows,
+      ),
+      padding: widget.padding,
+    );
+
+  }
+}

lib/entity_widgets/common/mode_selector.dart

@@ -0,0 +1,64 @@
+part of '../../main.dart';
+
+class ModeSelectorWidget extends StatelessWidget {
+
+  final String caption;
+  final List<String> options;
+  final String value;
+  final double captionFontSize;
+  final double valueFontSize;
+  final onChange;
+  final EdgeInsets padding;
+
+  ModeSelectorWidget({
+    Key key,
+    @required this.caption,
+    @required this.options,
+    this.value,
+    @required this.onChange,
+    this.captionFontSize,
+    this.valueFontSize,
+    this.padding: const EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, Sizes.rowPadding, Sizes.rightWidgetPadding, 0.0),
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: padding,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: <Widget>[
+          Text("$caption", style: TextStyle(
+              fontSize: captionFontSize ?? Sizes.stateFontSize
+          )),
+          Row(
+            children: <Widget>[
+              Expanded(
+                child: ButtonTheme(
+                  alignedDropdown: true,
+                  child: DropdownButton<String>(
+                    value: value,
+                    iconSize: 30.0,
+                    isExpanded: true,
+                    style: TextStyle(
+                      fontSize: valueFontSize ?? Sizes.largeFontSize,
+                      color: Colors.black,
+                    ),
+                    hint: Text("Select ${caption.toLowerCase()}"),
+                    items: options.map((String value) {
+                      return new DropdownMenuItem<String>(
+                        value: value,
+                        child: Text(value),
+                      );
+                    }).toList(),
+                    onChanged: (mode) => onChange(mode),
+                  ),
+                ),
+              )
+            ],
+          )
+        ],
+      ),
+    );
+  }
+}

lib/entity_widgets/common/mode_swicth.dart

@@ -0,0 +1,53 @@
+part of '../../main.dart';
+
+class ModeSwitchWidget extends StatelessWidget {
+
+  final String caption;
+  final onChange;
+  final double captionFontSize;
+  final bool value;
+  final bool expanded;
+  final EdgeInsets padding;
+
+  ModeSwitchWidget({
+    Key key,
+    @required this.caption,
+    @required this.onChange,
+    this.captionFontSize,
+    this.value,
+    this.expanded: true,
+    this.padding: const EdgeInsets.only(left: Sizes.leftWidgetPadding, right: Sizes.rightWidgetPadding)
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: this.padding,
+      child: Row(
+        children: <Widget>[
+          _buildCaption(),
+          Switch(
+            onChanged: (value) => onChange(value),
+            value: value ?? false,
+          )
+        ],
+      )
+    );
+  }
+
+  Widget _buildCaption() {
+    Widget captionWidget = Text(
+      "$caption",
+      style: TextStyle(
+          fontSize: captionFontSize ?? Sizes.stateFontSize
+      ),
+    );
+    if (expanded) {
+      return Expanded(
+        child: captionWidget,
+      );
+    }
+    return captionWidget;
+  }
+
+}

lib/entity_widgets/common/universal_slider.dart

@@ -0,0 +1,58 @@
+part of '../../main.dart';
+
+class UniversalSlider extends StatelessWidget {
+
+  final onChanged;
+  final onChangeEnd;
+  final Widget leading;
+  final Widget closing;
+  final String title;
+  final double min;
+  final double max;
+  final double value;
+  final EdgeInsets padding;
+
+  const UniversalSlider({Key key, this.onChanged, this.onChangeEnd, this.leading, this.closing, this.title, this.min, this.max, this.value, this.padding: const EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, Sizes.rowPadding, Sizes.rightWidgetPadding, 0.0)}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    List <Widget> row = [];
+    if (leading != null) {
+      row.add(leading);
+    }
+    row.add(
+        Flexible(
+          child: Slider(
+            value: value,
+            min: min,
+            max: max,
+            onChanged: (value) => onChanged(value),
+            onChangeEnd: (value) => onChangeEnd(value),
+          ),
+        )
+    );
+    if (closing != null) {
+      row.add(closing);
+    }
+    return Padding(
+      padding: padding,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: <Widget>[
+          Container(height: Sizes.rowPadding,),
+          Text(
+            "$title",
+            style: TextStyle(fontSize: Sizes.stateFontSize),
+          ),
+          Container(height: Sizes.rowPadding,),
+          Row(
+            mainAxisSize: MainAxisSize.min,
+            children: row,
+          ),
+          Container(height: Sizes.rowPadding,)
+        ],
+      ),
+    );
+  }
+
+}

lib/entity_widgets/controls/alarm_control_panel_controls.dart

@@ -0,0 +1,262 @@
+part of '../../main.dart';
+
+class AlarmControlPanelControlsWidget extends StatefulWidget {
+
+  final bool extended;
+  final List states;
+
+  const AlarmControlPanelControlsWidget({Key key, @required this.extended, this.states}) : super(key: key);
+
+  @override
+  _AlarmControlPanelControlsWidgetWidgetState createState() => _AlarmControlPanelControlsWidgetWidgetState();
+
+}
+
+class _AlarmControlPanelControlsWidgetWidgetState extends State<AlarmControlPanelControlsWidget> {
+
+  String code = "";
+  List supportedStates;
+
+  @override
+  void initState() {
+    super.initState();
+    supportedStates = widget.states ?? ["arm_home", "arm_away"];
+  }
+
+
+  void _callService(AlarmControlPanelEntity entity, String service) {
+    eventBus.fire(new ServiceCallEvent(
+          entity.domain, service, entity.entityId,
+          {"code": "$code"}));
+    setState(() {
+      code = "";
+    });
+  }
+
+  void _pinPadHandler(value) {
+    setState(() {
+      code += "$value";
+    });
+  }
+
+  void _pinPadClear() {
+    setState(() {
+      code = "";
+    });
+  }
+
+  void _askToTrigger(AlarmControlPanelEntity entity) {
+    // flutter defined function
+    showDialog(
+      context: context,
+      builder: (BuildContext context) {
+        // return object of type Dialog
+        return AlertDialog(
+          title: new Text("Are you sure?"),
+          content: new Text("Are you sure want to trigger alarm ${entity.displayName}?"),
+          actions: <Widget>[
+            FlatButton(
+              child: new Text("Yes"),
+              onPressed: () {
+                eventBus.fire(new ServiceCallEvent(entity.domain, "alarm_trigger", entity.entityId, null));
+                Navigator.of(context).pop();
+              },
+            ),
+            FlatButton(
+              child: new Text("No"),
+              onPressed: () {
+                Navigator.of(context).pop();
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final AlarmControlPanelEntity entity = entityModel.entityWrapper.entity;
+    List<Widget> buttons = [];
+    if (entity.state == EntityState.alarm_disarmed) {
+      if (supportedStates.contains("arm_home")) {
+        buttons.add(
+          RaisedButton(
+            onPressed: () => _callService(entity, "alarm_arm_home"),
+            child: Text("ARM HOME"),
+          )
+        );
+      }
+      if (supportedStates.contains("arm_away")) {
+        buttons.add(
+            RaisedButton(
+              onPressed: () => _callService(entity, "alarm_arm_away"),
+              child: Text("ARM AWAY"),
+            )
+        );
+      }
+      if (widget.extended) {
+        if (supportedStates.contains("arm_night")) {
+          buttons.add(
+              RaisedButton(
+                onPressed: () => _callService(entity, "alarm_arm_night"),
+                child: Text("ARM NIGHT"),
+              )
+          );
+        }
+        if (supportedStates.contains("arm_custom_bypass")) {
+          buttons.add(
+              RaisedButton(
+                onPressed: () =>
+                    _callService(entity, "alarm_arm_custom_bypass"),
+                child: Text("ARM CUSTOM BYPASS"),
+              )
+          );
+        }
+      }
+    } else {
+      buttons.add(
+        RaisedButton(
+          onPressed: () => _callService(entity, "alarm_disarm"),
+          child: Text("DISARM"),
+        )
+      );
+    }
+    Widget pinPad;
+    if (entity.attributes["code_format"] == null) {
+      pinPad = Container(width: 0.0, height: 0.0,);
+    } else {
+      pinPad = Padding(
+          padding: EdgeInsets.only(bottom: Sizes.rowPadding),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: <Widget>[
+              Wrap(
+                spacing: 5.0,
+                children: <Widget>[
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("1"),
+                    child: Text("1"),
+                  ),
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("2"),
+                    child: Text("2"),
+                  ),
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("3"),
+                    child: Text("3"),
+                  )
+                ],
+              ),
+              Wrap(
+                spacing: 5.0,
+                children: <Widget>[
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("4"),
+                    child: Text("4"),
+                  ),
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("5"),
+                    child: Text("5"),
+                  ),
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("6"),
+                    child: Text("6"),
+                  )
+                ],
+              ),
+              Wrap(
+                spacing: 5.0,
+                children: <Widget>[
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("7"),
+                    child: Text("7"),
+                  ),
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("8"),
+                    child: Text("8"),
+                  ),
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("9"),
+                    child: Text("9"),
+                  )
+                ],
+              ),
+              Wrap(
+                spacing: 5.0,
+                alignment: WrapAlignment.end,
+                children: <Widget>[
+                  RaisedButton(
+                    onPressed: () => _pinPadHandler("0"),
+                    child: Text("0"),
+                  ),
+                  RaisedButton(
+                    onPressed: () => _pinPadClear(),
+                    child: Text("CLEAR"),
+                  )
+                ],
+              )
+            ],
+          )
+      );
+    }
+    Widget inputWrapper;
+    if (entity.attributes["code_format"] == null) {
+      inputWrapper = Container(width: 0.0, height: 0.0,);
+    } else {
+      inputWrapper = Container(
+          width: 150.0,
+          child: TextField(
+              decoration: InputDecoration(
+                  labelText: "Alarm Code"
+              ),
+              //focusNode: _focusNode,
+              obscureText: true,
+              controller: new TextEditingController.fromValue(
+                  new TextEditingValue(
+                      text: code,
+                      selection:
+                      new TextSelection.collapsed(offset: code.length)
+                  )
+              ),
+              onChanged: (value) {
+                code = value;
+              }
+          )
+      );
+    }
+    Widget buttonsWrapper = Padding(
+        padding: EdgeInsets.symmetric(vertical: Sizes.rowPadding),
+        child: Wrap(
+            alignment: WrapAlignment.center,
+            spacing: 15.0,
+            runSpacing: Sizes.rowPadding,
+            children: buttons
+        )
+    );
+    Widget triggerButton = Row(
+      mainAxisAlignment: MainAxisAlignment.end,
+      children: [
+        FlatButton(
+          child: Text(
+            "TRIGGER",
+            style: TextStyle(color: Colors.redAccent)
+          ),
+          onPressed: () => _askToTrigger(entity),
+        )
+      ]
+    );
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        widget.extended ? buttonsWrapper : inputWrapper,
+        widget.extended ? inputWrapper : buttonsWrapper,
+        widget.extended ? pinPad : triggerButton
+      ]
+
+    );
+  }
+
+
+}

lib/entity_widgets/controls/climate_controls.dart

@@ -0,0 +1,459 @@
+part of '../../main.dart';
+
+class ClimateControlWidget extends StatefulWidget {
+
+  ClimateControlWidget({Key key}) : super(key: key);
+
+  @override
+  _ClimateControlWidgetState createState() => _ClimateControlWidgetState();
+}
+
+class _ClimateControlWidgetState extends State<ClimateControlWidget> {
+
+  bool _showPending = false;
+  bool _changedHere = false;
+  Timer _resetTimer;
+  Timer _tempThrottleTimer;
+  Timer _targetTempThrottleTimer;
+  double _tmpTemperature = 0.0;
+  double _tmpTargetLow = 0.0;
+  double _tmpTargetHigh = 0.0;
+  double _tmpTargetHumidity = 0.0;
+  String _tmpOperationMode;
+  String _tmpFanMode;
+  String _tmpSwingMode;
+  bool _tmpAwayMode = false;
+  bool _tmpIsOff = false;
+  bool _tmpAuxHeat = false;
+
+  void _resetVars(ClimateEntity entity) {
+    _tmpTemperature = entity.temperature;
+    _tmpTargetHigh = entity.targetHigh;
+    _tmpTargetLow = entity.targetLow;
+    _tmpOperationMode = entity.operationMode;
+    _tmpFanMode = entity.fanMode;
+    _tmpSwingMode = entity.swingMode;
+    _tmpAwayMode = entity.awayMode;
+    _tmpIsOff = entity.isOff;
+    _tmpAuxHeat = entity.auxHeat;
+    _tmpTargetHumidity = entity.targetHumidity;
+
+    _showPending = false;
+    _changedHere = false;
+  }
+
+  void _temperatureUp(ClimateEntity entity) {
+    _tmpTemperature = ((_tmpTemperature + entity.temperatureStep) <= entity.maxTemp) ? _tmpTemperature + entity.temperatureStep : entity.maxTemp;
+    _setTemperature(entity);
+  }
+
+  void _temperatureDown(ClimateEntity entity) {
+    _tmpTemperature = ((_tmpTemperature - entity.temperatureStep) >= entity.minTemp) ? _tmpTemperature - entity.temperatureStep : entity.minTemp;
+    _setTemperature(entity);
+  }
+
+  void _targetLowUp(ClimateEntity entity) {
+    _tmpTargetLow = ((_tmpTargetLow + entity.temperatureStep) <= entity.maxTemp) ? _tmpTargetLow + entity.temperatureStep : entity.maxTemp;
+    _setTargetTemp(entity);
+  }
+
+  void _targetLowDown(ClimateEntity entity) {
+    _tmpTargetLow = ((_tmpTargetLow - entity.temperatureStep) >= entity.minTemp) ? _tmpTargetLow - entity.temperatureStep : entity.minTemp;
+    _setTargetTemp(entity);
+  }
+
+  void _targetHighUp(ClimateEntity entity) {
+    _tmpTargetHigh = ((_tmpTargetHigh + entity.temperatureStep) <= entity.maxTemp) ? _tmpTargetHigh + entity.temperatureStep : entity.maxTemp;
+    _setTargetTemp(entity);
+  }
+
+  void _targetHighDown(ClimateEntity entity) {
+    _tmpTargetHigh = ((_tmpTargetHigh - entity.temperatureStep) >= entity.minTemp) ? _tmpTargetHigh - entity.temperatureStep : entity.minTemp;
+    _setTargetTemp(entity);
+  }
+
+  void _setTemperature(ClimateEntity entity) {
+    if (_tempThrottleTimer!=null) {
+      _tempThrottleTimer.cancel();
+    }
+    setState(() {
+      _changedHere = true;
+      _tmpTemperature = double.parse(_tmpTemperature.toStringAsFixed(1));
+    });
+    _tempThrottleTimer = Timer(Duration(seconds: 2), () {
+      setState(() {
+        _changedHere = true;
+        eventBus.fire(new ServiceCallEvent(entity.domain, "set_temperature", entity.entityId,{"temperature": "${_tmpTemperature.toStringAsFixed(1)}"}));
+        _resetStateTimer(entity);
+      });
+    });
+  }
+
+  void _setTargetTemp(ClimateEntity entity) {
+    if (_targetTempThrottleTimer!=null) {
+      _targetTempThrottleTimer.cancel();
+    }
+    setState(() {
+      _changedHere = true;
+      _tmpTargetLow = double.parse(_tmpTargetLow.toStringAsFixed(1));
+      _tmpTargetHigh = double.parse(_tmpTargetHigh.toStringAsFixed(1));
+    });
+    _targetTempThrottleTimer = Timer(Duration(seconds: 2), () {
+      setState(() {
+        _changedHere = true;
+        eventBus.fire(new ServiceCallEvent(entity.domain, "set_temperature", entity.entityId,{"target_temp_high": "${_tmpTargetHigh.toStringAsFixed(1)}", "target_temp_low": "${_tmpTargetLow.toStringAsFixed(1)}"}));
+        _resetStateTimer(entity);
+      });
+    });
+  }
+
+  void _setTargetHumidity(ClimateEntity entity, double value) {
+    setState(() {
+      _tmpTargetHumidity = value.roundToDouble();
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "set_humidity", entity.entityId,{"humidity": "$_tmpTargetHumidity"}));
+      _resetStateTimer(entity);
+    });
+  }
+
+  void _setOperationMode(ClimateEntity entity, value) {
+    setState(() {
+      _tmpOperationMode = value;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "set_operation_mode", entity.entityId,{"operation_mode": "$_tmpOperationMode"}));
+      _resetStateTimer(entity);
+    });
+  }
+
+  void _setSwingMode(ClimateEntity entity, value) {
+    setState(() {
+      _tmpSwingMode = value;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "set_swing_mode", entity.entityId,{"swing_mode": "$_tmpSwingMode"}));
+      _resetStateTimer(entity);
+    });
+  }
+
+  void _setFanMode(ClimateEntity entity, value) {
+    setState(() {
+      _tmpFanMode = value;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "set_fan_mode", entity.entityId,{"fan_mode": "$_tmpFanMode"}));
+      _resetStateTimer(entity);
+    });
+  }
+
+  void _setAwayMode(ClimateEntity entity, value) {
+    setState(() {
+      _tmpAwayMode = value;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "set_away_mode", entity.entityId,{"away_mode": "${_tmpAwayMode ? 'on' : 'off'}"}));
+      _resetStateTimer(entity);
+    });
+  }
+
+  void _setOnOf(ClimateEntity entity, value) {
+    setState(() {
+      _tmpIsOff = !value;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "${_tmpIsOff ? 'turn_off' : 'turn_on'}", entity.entityId, null));
+      _resetStateTimer(entity);
+    });
+  }
+
+  void _setAuxHeat(ClimateEntity entity, value) {
+    setState(() {
+      _tmpAuxHeat = value;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "set_aux_heat", entity.entityId, {"aux_heat": "$_tmpAuxHeat"}));
+      _resetStateTimer(entity);
+    });
+  }
+
+  void _resetStateTimer(ClimateEntity entity) {
+    if (_resetTimer!=null) {
+      _resetTimer.cancel();
+    }
+    _resetTimer = Timer(Duration(seconds: 3), () {
+      setState(() {});
+      _resetVars(entity);
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final ClimateEntity entity = entityModel.entityWrapper.entity;
+    if (_changedHere) {
+      _showPending = (_tmpTemperature != entity.temperature || _tmpTargetHigh != entity.targetHigh || _tmpTargetLow != entity.targetLow);
+      _changedHere = false;
+    } else {
+      _resetTimer?.cancel();
+      _resetVars(entity);
+    }
+    return Padding(
+      padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, Sizes.rowPadding, Sizes.rightWidgetPadding, 0.0),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: <Widget>[
+          _buildOnOffControl(entity),
+          _buildTemperatureControls(entity),
+          _buildTargetTemperatureControls(entity),
+          _buildHumidityControls(entity),
+          _buildOperationControl(entity),
+          _buildFanControl(entity),
+          _buildSwingControl(entity),
+          _buildAwayModeControl(entity),
+          _buildAuxHeatControl(entity)
+        ],
+      ),
+    );
+  }
+
+  Widget _buildAwayModeControl(ClimateEntity entity) {
+    if (entity.supportAwayMode) {
+      return ModeSwitchWidget(
+        caption: "Away mode",
+        onChange: (value) => _setAwayMode(entity, value),
+        value: _tmpAwayMode,
+      );
+    } else {
+      return Container(height: 0.0, width: 0.0,);
+    }
+  }
+
+  Widget _buildOnOffControl(ClimateEntity entity) {
+    if (entity.supportOnOff) {
+      return ModeSwitchWidget(
+          onChange: (value) => _setOnOf(entity, value),
+          caption: "On / Off",
+          value: !_tmpIsOff
+      );
+    } else {
+      return Container(height: 0.0, width: 0.0,);
+    }
+  }
+
+  Widget _buildAuxHeatControl(ClimateEntity entity) {
+    if (entity.supportAuxHeat ) {
+      return ModeSwitchWidget(
+          caption: "Aux heat",
+          onChange: (value) => _setAuxHeat(entity, value),
+          value: _tmpAuxHeat
+      );
+    } else {
+      return Container(height: 0.0, width: 0.0,);
+    }
+  }
+
+  Widget _buildOperationControl(ClimateEntity entity) {
+    if (entity.supportOperationMode) {
+      return ModeSelectorWidget(
+        onChange: (mode) => _setOperationMode(entity, mode),
+        options: entity.operationList,
+        caption: "Operation",
+        value: _tmpOperationMode,
+      );
+    } else {
+      return Container(height: 0.0, width: 0.0);
+    }
+  }
+
+  Widget _buildFanControl(ClimateEntity entity) {
+    if (entity.supportFanMode) {
+      return ModeSelectorWidget(
+        options: entity.fanList,
+        onChange: (mode) => _setFanMode(entity, mode),
+        caption: "Fan mode",
+        value: _tmpFanMode,
+      );
+    } else {
+      return Container(height: 0.0, width: 0.0);
+    }
+  }
+
+  Widget _buildSwingControl(ClimateEntity entity) {
+    if (entity.supportSwingMode) {
+      return ModeSelectorWidget(
+          onChange: (mode) => _setSwingMode(entity, mode),
+          options: entity.swingList,
+          value: _tmpSwingMode,
+          caption: "Swing mode"
+      );
+    } else {
+      return Container(height: 0.0, width: 0.0);
+    }
+  }
+
+  Widget _buildTemperatureControls(ClimateEntity entity) {
+    if ((entity.supportTargetTemperature) && (entity.temperature != null)) {
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: <Widget>[
+          Text("Target temperature", style: TextStyle(
+              fontSize: Sizes.stateFontSize
+          )),
+          TemperatureControlWidget(
+            value: _tmpTemperature,
+            fontColor: _showPending ? Colors.red : Colors.black,
+            onDec: () => _temperatureDown(entity),
+            onInc: () => _temperatureUp(entity),
+          )
+        ],
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0,);
+    }
+  }
+
+  Widget _buildTargetTemperatureControls(ClimateEntity entity) {
+    List<Widget> controls = [];
+    if ((entity.supportTargetTemperatureLow) && (entity.targetLow != null)) {
+      controls.addAll(<Widget>[
+        TemperatureControlWidget(
+          value: _tmpTargetLow,
+          fontColor: _showPending ? Colors.red : Colors.black,
+          onDec: () => _targetLowDown(entity),
+          onInc: () => _targetLowUp(entity),
+        ),
+        Expanded(
+          child: Container(height: 10.0),
+        )
+      ]);
+    }
+    if ((entity.supportTargetTemperatureHigh) && (entity.targetHigh != null)) {
+      controls.add(
+          TemperatureControlWidget(
+            value: _tmpTargetHigh,
+            fontColor: _showPending ? Colors.red : Colors.black,
+            onDec: () => _targetHighDown(entity),
+            onInc: () => _targetHighUp(entity),
+          )
+      );
+    }
+    if (controls.isNotEmpty) {
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: <Widget>[
+          Text("Target temperature range", style: TextStyle(
+              fontSize: Sizes.stateFontSize
+          )),
+          Row(
+            children: controls,
+          )
+        ],
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+  Widget _buildHumidityControls(ClimateEntity entity) {
+    List<Widget> result = [];
+    if (entity.supportTargetHumidity) {
+      result.addAll(<Widget>[
+        Text(
+          "$_tmpTargetHumidity%",
+          style: TextStyle(fontSize: Sizes.largeFontSize),
+        ),
+        Expanded(
+          child: Slider(
+            value: _tmpTargetHumidity,
+            max: entity.maxHumidity,
+            min: entity.minHumidity,
+            onChanged: ((double val) {
+              setState(() {
+                _changedHere = true;
+                _tmpTargetHumidity = val.roundToDouble();
+              });
+            }),
+            onChangeEnd: (double v) => _setTargetHumidity(entity, v),
+          ),
+        )
+      ]);
+    }
+    if (result.isNotEmpty) {
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: <Widget>[
+          Padding(
+            padding: EdgeInsets.fromLTRB(
+                0.0, Sizes.rowPadding, 0.0, Sizes.rowPadding),
+            child: Text("Target humidity", style: TextStyle(
+                fontSize: Sizes.stateFontSize
+            )),
+          ),
+          Row(
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: result,
+          ),
+          Container(
+            height: Sizes.rowPadding,
+          )
+        ],
+      );
+    } else {
+      return Container(
+        width: 0.0,
+        height: 0.0,
+      );
+    }
+  }
+
+
+  @override
+  void dispose() {
+    _resetTimer?.cancel();
+    super.dispose();
+  }
+
+}
+
+class TemperatureControlWidget extends StatelessWidget {
+  final double value;
+  final double fontSize;
+  final Color fontColor;
+  final onInc;
+  final onDec;
+
+  TemperatureControlWidget(
+      {Key key,
+        @required this.value,
+        @required this.onInc,
+        @required this.onDec,
+        this.fontSize,
+        this.fontColor})
+      : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        Text(
+          "$value",
+          style: TextStyle(
+              fontSize: fontSize ?? 24.0,
+              color: fontColor ?? Colors.black
+          ),
+        ),
+        Column(
+          children: <Widget>[
+            IconButton(
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
+                  'mdi:chevron-up')),
+              iconSize: 30.0,
+              onPressed: () => onInc(),
+            ),
+            IconButton(
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
+                  'mdi:chevron-down')),
+              iconSize: 30.0,
+              onPressed: () => onDec(),
+            )
+          ],
+        )
+      ],
+    );
+  }
+}

lib/entity_widgets/controls/cover_controls.dart

@@ -0,0 +1,200 @@
+part of '../../main.dart';
+
+class CoverControlWidget extends StatefulWidget {
+
+  CoverControlWidget({Key key}) : super(key: key);
+
+  @override
+  _CoverControlWidgetState createState() => _CoverControlWidgetState();
+}
+
+class _CoverControlWidgetState extends State<CoverControlWidget> {
+
+  double _tmpPosition = 0.0;
+  double _tmpTiltPosition = 0.0;
+  bool _changedHere = false;
+
+  void _setNewPosition(CoverEntity entity, double position) {
+    setState(() {
+      _tmpPosition = position.roundToDouble();
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "set_cover_position", entity.entityId,{"position": _tmpPosition.round()}));
+    });
+  }
+
+  void _setNewTiltPosition(CoverEntity entity, double position) {
+    setState(() {
+      _tmpTiltPosition = position.roundToDouble();
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(entity.domain, "set_cover_tilt_position", entity.entityId,{"tilt_position": _tmpTiltPosition.round()}));
+    });
+  }
+
+  void _resetVars(CoverEntity entity) {
+    _tmpPosition = entity.currentPosition;
+    _tmpTiltPosition = entity.currentTiltPosition;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final CoverEntity entity = entityModel.entityWrapper.entity;
+    if (_changedHere) {
+      _changedHere = false;
+    } else {
+      _resetVars(entity);
+    }
+    return Padding(
+      padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, Sizes.rowPadding, Sizes.rightWidgetPadding, 0.0),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: <Widget>[
+          _buildPositionControls(entity),
+          _buildTiltControls(entity)
+        ],
+      ),
+    );
+  }
+
+  Widget _buildPositionControls(CoverEntity entity) {
+    if (entity.supportSetPosition) {
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: <Widget>[
+          Padding(
+            padding: EdgeInsets.fromLTRB(
+                0.0, Sizes.rowPadding, 0.0, Sizes.rowPadding),
+            child: Text("Position", style: TextStyle(
+                fontSize: Sizes.stateFontSize
+            )),
+          ),
+          Slider(
+            value: _tmpPosition,
+            min: 0.0,
+            max: 100.0,
+            divisions: 10,
+            onChanged: (double value) {
+              setState(() {
+                _tmpPosition = value.roundToDouble();
+                _changedHere = true;
+              });
+            },
+            onChangeEnd: (double value) => _setNewPosition(entity, value),
+          ),
+          Container(height: Sizes.rowPadding,)
+        ],
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+  Widget _buildTiltControls(CoverEntity entity) {
+    List<Widget> controls = [];
+    if (entity.supportCloseTilt || entity.supportOpenTilt || entity.supportStopTilt) {
+      controls.add(
+          CoverTiltControlsWidget()
+      );
+    }
+    if (entity.supportSetTiltPosition) {
+      controls.addAll(<Widget>[
+        Slider(
+          value: _tmpTiltPosition,
+          min: 0.0,
+          max: 100.0,
+          divisions: 10,
+          onChanged: (double value) {
+            setState(() {
+              _tmpTiltPosition = value.roundToDouble();
+              _changedHere = true;
+            });
+          },
+          onChangeEnd: (double value) => _setNewTiltPosition(entity, value),
+        ),
+        Container(height: Sizes.rowPadding,)
+      ]);
+    }
+    if (controls.isNotEmpty) {
+      controls.insert(0, Padding(
+        padding: EdgeInsets.fromLTRB(
+            0.0, Sizes.rowPadding, 0.0, Sizes.rowPadding),
+        child: Text("Tilt position", style: TextStyle(
+            fontSize: Sizes.stateFontSize
+        )),
+      ));
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: controls,
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+}
+
+class CoverTiltControlsWidget extends StatelessWidget {
+  void _open(CoverEntity entity) {
+    eventBus.fire(new ServiceCallEvent(
+        entity.domain, "open_cover_tilt", entity.entityId, null));
+  }
+
+  void _close(CoverEntity entity) {
+    eventBus.fire(new ServiceCallEvent(
+        entity.domain, "close_cover_tilt", entity.entityId, null));
+  }
+
+  void _stop(CoverEntity entity) {
+    eventBus.fire(new ServiceCallEvent(
+        entity.domain, "stop_cover_tilt", entity.entityId, null));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final CoverEntity entity = entityModel.entityWrapper.entity;
+    List<Widget> buttons = [];
+    if (entity.supportOpenTilt) {
+      buttons.add(IconButton(
+          icon: Icon(
+            MaterialDesignIcons.getIconDataFromIconName(
+                "mdi:arrow-top-right"),
+            size: Sizes.iconSize,
+          ),
+          onPressed: entity.canTiltBeOpened ? () => _open(entity) : null));
+    } else {
+      buttons.add(Container(
+        width: Sizes.iconSize + 20.0,
+      ));
+    }
+    if (entity.supportStopTilt) {
+      buttons.add(IconButton(
+          icon: Icon(
+            MaterialDesignIcons.getIconDataFromIconName("mdi:stop"),
+            size: Sizes.iconSize,
+          ),
+          onPressed: () => _stop(entity)));
+    } else {
+      buttons.add(Container(
+        width: Sizes.iconSize + 20.0,
+      ));
+    }
+    if (entity.supportCloseTilt) {
+      buttons.add(IconButton(
+          icon: Icon(
+            MaterialDesignIcons.getIconDataFromIconName(
+                "mdi:arrow-bottom-left"),
+            size: Sizes.iconSize,
+          ),
+          onPressed: entity.canTiltBeClosed ? () => _close(entity) : null));
+    } else {
+      buttons.add(Container(
+        width: Sizes.iconSize + 20.0,
+      ));
+    }
+
+    return Row(
+      children: buttons,
+    );
+  }
+}

lib/entity_widgets/controls/fan_controls.dart

@@ -0,0 +1,123 @@
+part of '../../main.dart';
+
+class FanControlsWidget extends StatefulWidget {
+
+  @override
+  _FanControlsWidgetState createState() => _FanControlsWidgetState();
+
+}
+
+class _FanControlsWidgetState extends State<FanControlsWidget> {
+
+  bool _tmpOscillate;
+  bool _tmpDirectionForward;
+  bool _changedHere = false;
+  String _tmpSpeed;
+
+  void _resetState(FanEntity entity) {
+    _tmpOscillate = entity.attributes["oscillating"] ?? false;
+    _tmpDirectionForward = entity.attributes["direction"] == "forward";
+    _tmpSpeed = entity.attributes["speed"];
+  }
+
+  void _setOscillate(FanEntity entity, bool oscillate) {
+    setState(() {
+      _tmpOscillate = oscillate;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(
+          "fan", "oscillate", entity.entityId,
+          {"oscillating": oscillate}));
+    });
+  }
+
+  void _setDirection(FanEntity entity, bool forward) {
+    setState(() {
+      _tmpDirectionForward = forward;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(
+          "fan", "set_direction", entity.entityId,
+          {"direction": forward ? "forward" : "reverse"}));
+    });
+  }
+
+  void _setSpeed(FanEntity entity, String value) {
+    setState(() {
+      _tmpSpeed = value;
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(
+            "fan", "set_speed", entity.entityId,
+            {"speed": value}));
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final FanEntity entity = entityModel.entityWrapper.entity;
+    if (!_changedHere) {
+      _resetState(entity);
+    } else {
+      _changedHere = false;
+    }
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        _buildSpeedControl(entity),
+        _buildOscillateControl(entity),
+        _buildDirectionControl(entity)
+      ],
+    );
+  }
+
+  Widget _buildSpeedControl(FanEntity entity) {
+    if (entity.supportSetSpeed && entity.speedList != null && entity.speedList.isNotEmpty) {
+      return ModeSelectorWidget(
+        onChange: (effect) => _setSpeed(entity, effect),
+        caption: "Speed",
+        options: entity.speedList,
+        value: _tmpSpeed
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+  Widget _buildOscillateControl(FanEntity entity) {
+    if (entity.supportOscillate) {
+      return ModeSwitchWidget(
+          onChange: (value) => _setOscillate(entity, value),
+          caption: "Oscillate",
+          value: _tmpOscillate,
+          expanded: false,
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+  Widget _buildDirectionControl(FanEntity entity) {
+    if (entity.supportDirection) {
+      return Row(
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[
+          IconButton(
+            onPressed: _tmpDirectionForward ?
+              () => _setDirection(entity, false) :
+              null,
+            icon: Icon(Icons.rotate_left),
+          ),
+          IconButton(
+            onPressed: !_tmpDirectionForward ?
+              () => _setDirection(entity, true) :
+              null,
+            icon: Icon(Icons.rotate_right),
+          ),
+        ],
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+
+}

lib/entity_widgets/controls/light_controls.dart

@@ -0,0 +1,227 @@
+part of '../../main.dart';
+
+class LightControlsWidget extends StatefulWidget {
+
+  @override
+  _LightControlsWidgetState createState() => _LightControlsWidgetState();
+
+}
+
+class _LightControlsWidgetState extends State<LightControlsWidget> {
+
+  int _tmpBrightness;
+  int _tmpWhiteValue;
+  int _tmpColorTemp = 0;
+  HSVColor _tmpColor = HSVColor.fromAHSV(1.0, 30.0, 0.0, 1.0);
+  bool _changedHere = false;
+  String _tmpEffect;
+
+  void _resetState(LightEntity entity) {
+    _tmpBrightness = entity.brightness ?? 0;
+    _tmpWhiteValue = entity.whiteValue ?? 0;
+    _tmpColorTemp = entity.colorTemp ?? entity.minMireds?.toInt();
+    _tmpColor = entity.color ?? _tmpColor;
+    _tmpEffect = entity.effect;
+  }
+
+  void _setBrightness(LightEntity entity, double value) {
+    setState(() {
+      _tmpBrightness = value.round();
+      _changedHere = true;
+      if (_tmpBrightness > 0) {
+        eventBus.fire(new ServiceCallEvent(
+            entity.domain, "turn_on", entity.entityId,
+            {"brightness": _tmpBrightness}));
+      } else {
+        eventBus.fire(new ServiceCallEvent(
+            entity.domain, "turn_off", entity.entityId,
+            null));
+      }
+    });
+  }
+
+  void _setWhiteValue(LightEntity entity, double value) {
+    setState(() {
+      _tmpWhiteValue = value.round();
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(
+            entity.domain, "turn_on", entity.entityId,
+            {"white_value": _tmpWhiteValue}));
+
+    });
+  }
+
+  void _setColorTemp(LightEntity entity, double value) {
+    setState(() {
+      _tmpColorTemp = value.round();
+      _changedHere = true;
+      eventBus.fire(new ServiceCallEvent(
+          entity.domain, "turn_on", entity.entityId,
+          {"color_temp": _tmpColorTemp}));
+    });
+  }
+
+  void _setColor(LightEntity entity, HSVColor color) {
+    setState(() {
+      _tmpColor = color;
+      _changedHere = true;
+      Logger.d( "HS Color: [${color.hue}, ${color.saturation}]");
+      eventBus.fire(new ServiceCallEvent(
+        entity.domain, "turn_on", entity.entityId,
+          {"hs_color": [color.hue, color.saturation*100]}));
+    });
+  }
+
+  void _setEffect(LightEntity entity, String value) {
+    setState(() {
+      _tmpEffect = value;
+      _changedHere = true;
+      if (_tmpEffect != null) {
+        eventBus.fire(new ServiceCallEvent(
+            entity.domain, "turn_on", entity.entityId,
+            {"effect": "$value"}));
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final LightEntity entity = entityModel.entityWrapper.entity;
+    if (!_changedHere) {
+      _resetState(entity);
+    } else {
+      _changedHere = false;
+    }
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        _buildBrightnessControl(entity),
+        _buildWhiteValueControl(entity),
+        _buildColorTempControl(entity),
+        _buildColorControl(entity),
+        _buildEffectControl(entity)
+      ],
+    );
+  }
+
+  Widget _buildBrightnessControl(LightEntity entity) {
+    if ((entity.supportBrightness) && (_tmpBrightness != null)) {
+      return UniversalSlider(
+        onChanged: (value) {
+          setState(() {
+            _changedHere = true;
+            _tmpBrightness = value.round();
+          });
+        },
+        min: 0.0,
+        max: 255.0,
+        onChangeEnd: (value) => _setBrightness(entity, value),
+        value: _tmpBrightness == null ? 0.0 : _tmpBrightness.toDouble(),
+        leading: Icon(Icons.brightness_5),
+        title: "Brightness",
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+  Widget _buildWhiteValueControl(LightEntity entity) {
+    if ((entity.supportWhiteValue) && (_tmpWhiteValue != null)) {
+      return UniversalSlider(
+        onChanged: (value) {
+          setState(() {
+            _changedHere = true;
+            _tmpWhiteValue = value.round();
+          });
+        },
+        min: 0.0,
+        max: 255.0,
+        onChangeEnd: (value) => _setWhiteValue(entity, value),
+        value: _tmpWhiteValue == null ? 0.0 : _tmpWhiteValue.toDouble(),
+        leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:file-word-box")),
+        title: "White",
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+  Widget _buildColorTempControl(LightEntity entity) {
+    if (entity.supportColorTemp) {
+      return UniversalSlider(
+        title: "Color temperature",
+        leading: Text("Cold", style: TextStyle(color: Colors.lightBlue),),
+        value:  _tmpColorTemp == null ? entity.maxMireds : _tmpColorTemp.toDouble(),
+        onChangeEnd: (value) => _setColorTemp(entity, value),
+        max: entity.maxMireds,
+        min: entity.minMireds,
+        onChanged: (value) {
+          setState(() {
+            _changedHere = true;
+            _tmpColorTemp = value.round();
+          });
+        },
+        closing: Text("Warm", style: TextStyle(color: Colors.amberAccent),),
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+  Widget _buildColorControl(LightEntity entity) {
+    if (entity.supportColor) {
+      HSVColor savedColor = HomeAssistantModel.of(context)?.homeAssistant?.savedColor;
+      return Column(
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[
+          LightColorPicker(
+            color: _tmpColor,
+            onColorSelected: (color) => _setColor(entity, color),
+          ),
+          Row(
+            mainAxisSize: MainAxisSize.min,
+            children: <Widget>[
+              FlatButton(
+                color: _tmpColor.toColor(),
+                child: Text('Copy color'),
+                onPressed: _tmpColor == null ? null : () {
+                  setState(() {
+                    HomeAssistantModel
+                        .of(context)
+                        .homeAssistant
+                        .savedColor = _tmpColor;
+                  });
+                },
+              ),
+              FlatButton(
+                color: savedColor?.toColor() ?? Colors.transparent,
+                child: Text('Paste color'),
+                onPressed: savedColor == null ? null : () {
+                  _setColor(entity, savedColor);
+                },
+              )
+            ],
+          )
+        ],
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+  Widget _buildEffectControl(LightEntity entity) {
+    if ((entity.supportEffect) && (entity.effectList != null)) {
+      return ModeSelectorWidget(
+          onChange: (effect) => _setEffect(entity, effect),
+          caption: "Effect",
+          options: entity.effectList,
+          value: _tmpEffect
+      );
+    } else {
+      return Container(width: 0.0, height: 0.0);
+    }
+  }
+
+
+}

lib/entity_widgets/controls/media_player_widgets.dart

@@ -0,0 +1,466 @@
+part of '../../main.dart';
+
+class MediaPlayerWidget extends StatelessWidget {
+  
+  @override
+  Widget build(BuildContext context) {
+    final EntityModel entityModel = EntityModel.of(context);
+    final MediaPlayerEntity entity = entityModel.entityWrapper.entity;
+    //TheLogger.debug("stop: ${entity.supportStop}, seek: ${entity.supportSeek}");
+    return Column(
+      children: <Widget>[
+        Stack(
+          alignment: AlignmentDirectional.topEnd,
+          children: <Widget>[
+            _buildImage(entity),
+            Positioned(
+              bottom: 0.0,
+              left: 0.0,
+              right: 0.0,
+              child: Container(
+                color: Colors.black45,
+                child: _buildState(entity),
+              ),
+            ),
+            Positioned(
+                bottom: 0.0,
+                left: 0.0,
+                right: 0.0,
+                child: MediaPlayerProgressWidget()
+            )
+          ],
+        ),
+        MediaPlayerPlaybackControls()
+      ]
+    );
+  }
+
+  Widget _buildState(MediaPlayerEntity entity) {
+    TextStyle style = TextStyle(
+        fontSize: 14.0,
+        color: Colors.white,
+        fontWeight: FontWeight.normal,
+        height: 1.2
+    );
+    List<Widget> states = [];
+    states.add(Text("${entity.displayName}", style: style));
+    String state = entity.state;
+    if (state == null || state == EntityState.off || state == EntityState.unavailable || state == EntityState.idle) {
+      states.add(Text("${entity.state}", style: style.apply(fontSizeDelta: 4.0),));
+    }
+    if (entity.attributes['media_title'] != null) {
+      states.add(Text(
+        "${entity.attributes['media_title']}",
+        style: style.apply(fontSizeDelta: 6.0, fontWeightDelta: 50),
+        maxLines: 1,
+        softWrap: true,
+        overflow: TextOverflow.ellipsis,
+      ));
+    }
+    if (entity.attributes['media_content_type'] == "music") {
+      states.add(Text("${entity.attributes['media_artist'] ?? entity.attributes['app_name']}", style: style.apply(fontSizeDelta: 4.0),));
+    } else if (entity.attributes['app_name'] != null) {
+      states.add(Text("${entity.attributes['app_name']}", style: style.apply(fontSizeDelta: 4.0),));
+    }
+    return Padding(
+      padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, Sizes.rowPadding, Sizes.rightWidgetPadding, Sizes.rowPadding),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: states,
+      ),
+    );
+  }
+
+  Widget _buildImage(MediaPlayerEntity entity) {
+    String state = entity.state;
+    if (entity.entityPicture != null && state != EntityState.off && state != EntityState.unavailable && state != EntityState.idle) {
+      return Container(
+        color: Colors.black,
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            Flexible(
+              child: Image(
+                image: CachedNetworkImageProvider("${entity.entityPicture}"),
+                height: 240.0,
+                //width: 320.0,
+                fit: BoxFit.contain,
+              ),
+            )
+          ],
+        ),
+      );
+    } else {
+      return Row(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: <Widget>[
+          Icon(
+            MaterialDesignIcons.getIconDataFromIconName("mdi:movie"),
+            size: 150.0,
+            color: EntityColor.stateColor("$state"),
+          )
+        ],
+      );
+      /*return Container(
+        color: Colors.blue,
+        height: 80.0,
+      );*/
+    }
+  }
+}
+
+class MediaPlayerPlaybackControls extends StatelessWidget {
+
+  final bool showMenu;
+  final bool showStop;
+
+  const MediaPlayerPlaybackControls({Key key, this.showMenu: true, this.showStop: false}) : super(key: key);
+
+
+  void _setPower(MediaPlayerEntity entity) {
+    if (entity.state != EntityState.unavailable && entity.state != EntityState.unknown) {
+      if (entity.state == EntityState.off) {
+        Logger.d("${entity.entityId} turn_on");
+        eventBus.fire(new ServiceCallEvent(
+            entity.domain, "turn_on", entity.entityId,
+            null));
+      } else {
+        Logger.d("${entity.entityId} turn_off");
+        eventBus.fire(new ServiceCallEvent(
+            entity.domain, "turn_off", entity.entityId,
+            null));
+      }
+    }
+  }
+
+  void _callAction(MediaPlayerEntity entity, String action) {
+    Logger.d("${entity.entityId} $action");
+    eventBus.fire(new ServiceCallEvent(
+        entity.domain, "$action", entity.entityId,
+        null));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final MediaPlayerEntity entity = EntityModel.of(context).entityWrapper.entity;
+    List<Widget> result = [];
+    if (entity.supportTurnOn || entity.supportTurnOff) {
+      result.add(
+          IconButton(
+            icon: Icon(Icons.power_settings_new),
+            onPressed: () => _setPower(entity),
+            iconSize: Sizes.iconSize,
+          )
+      );
+    } else {
+      result.add(
+          Container(
+            width: Sizes.iconSize,
+          )
+      );
+    }
+    List <Widget> centeredControlsChildren = [];
+    if (entity.supportPreviousTrack && entity.state != EntityState.off && entity.state != EntityState.unavailable) {
+      centeredControlsChildren.add(
+          IconButton(
+            icon: Icon(Icons.skip_previous),
+            onPressed: () => _callAction(entity, "media_previous_track"),
+            iconSize: Sizes.iconSize,
+          )
+      );
+    }
+    if (entity.supportPlay || entity.supportPause) {
+      if (entity.state == EntityState.playing) {
+        centeredControlsChildren.add(
+            IconButton(
+              icon: Icon(Icons.pause_circle_filled),
+              color: Colors.blue,
+              onPressed: () => _callAction(entity, "media_pause"),
+              iconSize: Sizes.iconSize*1.8,
+            )
+        );
+      } else if (entity.state == EntityState.paused || entity.state == EntityState.idle) {
+        centeredControlsChildren.add(
+            IconButton(
+              icon: Icon(Icons.play_circle_filled),
+              color: Colors.blue,
+              onPressed: () => _callAction(entity, "media_play"),
+              iconSize: Sizes.iconSize*1.8,
+            )
+        );
+      } else {
+        centeredControlsChildren.add(
+            Container(
+              width: Sizes.iconSize*1.8,
+              height: Sizes.iconSize*2.0,
+            )
+        );
+      }
+    }
+    if (entity.supportNextTrack && entity.state != EntityState.off && entity.state != EntityState.unavailable) {
+      centeredControlsChildren.add(
+          IconButton(
+            icon: Icon(Icons.skip_next),
+            onPressed: () => _callAction(entity, "media_next_track"),
+            iconSize: Sizes.iconSize,
+          )
+      );
+    }
+    if (centeredControlsChildren.isNotEmpty) {
+      result.add(
+          Expanded(
+              child: Row(
+                mainAxisAlignment: showMenu ? MainAxisAlignment.center : MainAxisAlignment.end,
+                children: centeredControlsChildren,
+              )
+          )
+      );
+    } else {
+      result.add(
+          Expanded(
+            child: Container(
+              height: 10.0,
+            ),
+          )
+      );
+    }
+    if (showMenu) {
+      result.add(
+          IconButton(
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
+                  "mdi:dots-vertical")),
+              onPressed: () => eventBus.fire(new ShowEntityPageEvent(entity))
+          )
+      );
+    } else if (entity.supportStop && entity.state != EntityState.off && entity.state != EntityState.unavailable) {
+      result.add(
+          IconButton(
+              icon: Icon(Icons.stop),
+              onPressed: () => _callAction(entity, "media_stop")
+          )
+      );
+    }
+    return Row(
+      children: result,
+      mainAxisAlignment: MainAxisAlignment.center,
+    );
+  }
+
+}
+
+class MediaPlayerControls extends StatefulWidget {
+  @override
+  _MediaPlayerControlsState createState() => _MediaPlayerControlsState();
+}
+
+class _MediaPlayerControlsState extends State<MediaPlayerControls> {
+
+  double _newVolumeLevel;
+  bool _changedHere = false;
+  String _newSoundMode;
+  String _newSource;
+
+  void _setVolume(double value, String entityId) {
+    setState(() {
+      _changedHere = true;
+      _newVolumeLevel = value;
+      eventBus.fire(ServiceCallEvent("media_player", "volume_set", entityId, {"volume_level": value}));
+    });
+  }
+
+  void _setVolumeMute(bool isMuted, String entityId) {
+    eventBus.fire(ServiceCallEvent("media_player", "volume_mute", entityId, {"is_volume_muted": isMuted}));
+  }
+
+  void _setVolumeUp(String entityId) {
+    eventBus.fire(ServiceCallEvent("media_player", "volume_up", entityId, null));
+  }
+
+  void _setVolumeDown(String entityId) {
+    eventBus.fire(ServiceCallEvent("media_player", "volume_down", entityId, null));
+  }
+
+  void _setSoundMode(String value, String entityId) {
+    setState(() {
+      _newSoundMode = value;
+      _changedHere = true;
+      eventBus.fire(ServiceCallEvent("media_player", "select_sound_mode", entityId, {"sound_mode": "$value"}));
+    });
+  }
+
+  void _setSource(String source, String entityId) {
+    setState(() {
+      _newSource = source;
+      _changedHere = true;
+      eventBus.fire(ServiceCallEvent("media_player", "select_source", entityId, {"source": "$source"}));
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final MediaPlayerEntity entity = EntityModel.of(context).entityWrapper.entity;
+    List<Widget> children = [
+      MediaPlayerPlaybackControls(
+        showMenu: false,
+      )
+    ];
+    if (entity.state != EntityState.off && entity.state != EntityState.unknown && entity.state != EntityState.unavailable) {
+      Widget muteWidget;
+      Widget volumeStepWidget;
+      if (entity.supportVolumeMute  || entity.attributes["is_volume_muted"] != null) {
+        bool isMuted = entity.attributes["is_volume_muted"] ?? false;
+        muteWidget =
+            IconButton(
+                icon: Icon(isMuted ? Icons.volume_up : Icons.volume_off),
+                onPressed: () => _setVolumeMute(!isMuted, entity.entityId)
+            );
+      } else {
+        muteWidget = Container(width: 0.0, height: 0.0,);
+      }
+      if (entity.supportVolumeStep) {
+        volumeStepWidget = Row(
+          mainAxisSize: MainAxisSize.min,
+          children: <Widget>[
+            IconButton(
+                icon: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:plus")),
+                onPressed: () => _setVolumeUp(entity.entityId)
+            ),
+            IconButton(
+                icon: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:minus")),
+                onPressed: () => _setVolumeDown(entity.entityId)
+            )
+          ],
+        );
+      } else {
+        volumeStepWidget = Container(width: 0.0, height: 0.0,);
+      }
+      if (entity.supportVolumeSet) {
+        if (!_changedHere) {
+          _newVolumeLevel = entity._getDoubleAttributeValue("volume_level");
+        } else {
+          _changedHere = false;
+        }
+        children.add(
+            UniversalSlider(
+              leading: muteWidget,
+              closing: volumeStepWidget,
+              title: "Volume",
+              onChanged: (value) {
+                setState(() {
+                  _changedHere = true;
+                  _newVolumeLevel = value;
+                });
+              },
+              value: _newVolumeLevel,
+              onChangeEnd: (value) => _setVolume(value, entity.entityId),
+              max: 1.0,
+              min: 0.0,
+            )
+        );
+      } else {
+        children.add(Row(
+          mainAxisSize: MainAxisSize.min,
+          children: <Widget>[
+            muteWidget,
+            volumeStepWidget
+          ],
+        ));
+      }
+
+      if (entity.supportSelectSoundMode && entity.soundModeList != null) {
+        if (!_changedHere) {
+          _newSoundMode = entity.attributes["sound_mode"];
+        } else {
+          _changedHere = false;
+        }
+        children.add(
+          ModeSelectorWidget(
+              options: entity.soundModeList,
+              caption: "Sound mode",
+              value: _newSoundMode,
+              onChange: (value) => _setSoundMode(value, entity.entityId)
+          )
+        );
+      }
+
+      if (entity.supportSelectSource && entity.sourceList != null) {
+        if (!_changedHere) {
+          _newSource = entity.attributes["source"];
+        } else {
+          _changedHere = false;
+        }
+        children.add(
+            ModeSelectorWidget(
+                options: entity.sourceList,
+                caption: "Source",
+                value: _newSource,
+                onChange: (value) => _setSource(value, entity.entityId)
+            )
+        );
+      }
+
+    }
+    return Column(
+      children: children,
+    );
+  }
+
+}
+
+class MediaPlayerProgressWidget extends StatefulWidget {
+  @override
+  _MediaPlayerProgressWidgetState createState() => _MediaPlayerProgressWidgetState();
+}
+
+class _MediaPlayerProgressWidgetState extends State<MediaPlayerProgressWidget> {
+
+  Timer _timer;
+
+  @override
+  Widget build(BuildContext context) {
+    final EntityModel entityModel = EntityModel.of(context);
+    final MediaPlayerEntity entity = entityModel.entityWrapper.entity;
+    double progress;
+    try {
+      DateTime lastUpdated = DateTime.parse(
+          entity.attributes["media_position_updated_at"]).toLocal();
+      Duration duration = Duration(seconds: entity._getIntAttributeValue("media_duration") ?? 1);
+      Duration position = Duration(seconds: entity._getIntAttributeValue("media_position") ?? 0);
+      int currentPosition = position.inSeconds;
+      if (entity.state == EntityState.playing) {
+        _timer?.cancel();
+        _timer = Timer(Duration(seconds: 1), () {
+          setState(() {
+          });
+        });
+        int differenceInSeconds = DateTime
+            .now()
+            .difference(lastUpdated)
+            .inSeconds;
+        currentPosition = currentPosition + differenceInSeconds;
+      } else {
+        _timer?.cancel();
+      }
+      progress = currentPosition / duration.inSeconds;
+      return LinearProgressIndicator(
+        value: progress,
+        backgroundColor: Colors.black45,
+        valueColor: AlwaysStoppedAnimation<Color>(EntityColor.stateColor(EntityState.on)),
+      );
+    } catch (e) {
+      _timer?.cancel();
+      progress = 0.0;
+    }
+    return LinearProgressIndicator(
+      value: progress,
+      backgroundColor: Colors.black45,
+    );
+  }
+
+  @override
+  void dispose() {
+    _timer?.cancel();
+    super.dispose();
+  }
+
+}

lib/entity_widgets/controls/slider_controls.dart

@@ -0,0 +1,70 @@
+part of '../../main.dart';
+
+class SliderControlsWidget extends StatefulWidget {
+
+  SliderControlsWidget({Key key}) : super(key: key);
+
+  @override
+  _SliderControlsWidgetState createState() => _SliderControlsWidgetState();
+}
+
+class _SliderControlsWidgetState extends State<SliderControlsWidget> {
+  int _multiplier = 1;
+  double _newValue;
+  bool _changedHere = false;
+
+  void setNewState(newValue, domain, entityId) {
+    setState(() {
+      _newValue = newValue;
+      _changedHere = true;
+    });
+    eventBus.fire(new ServiceCallEvent(domain, "set_value", entityId,
+        {"value": "${newValue.toString()}"}));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final SliderEntity entity = entityModel.entityWrapper.entity;
+    if (entity.valueStep < 1) {
+      _multiplier = 10;
+    } else if (entity.valueStep < 0.1) {
+      _multiplier = 100;
+    }
+    if (!_changedHere) {
+      _newValue = entity.doubleState;
+    } else {
+      _changedHere = false;
+    }
+    Widget slider = Slider(
+      min: entity.minValue * _multiplier,
+      max: entity.maxValue * _multiplier,
+      value: (_newValue <= entity.maxValue) &&
+          (_newValue >= entity.minValue)
+          ? _newValue * _multiplier
+          : entity.minValue * _multiplier,
+      onChanged: (value) {
+        setState(() {
+          _newValue = (value.roundToDouble() / _multiplier);
+          _changedHere = true;
+        });
+      },
+      onChangeEnd: (value) {
+        setNewState(value.roundToDouble() / _multiplier, entity.domain, entity.entityId);
+      },
+    );
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        Text(
+          "$_newValue",
+          style: TextStyle(
+            fontSize: Sizes.largeFontSize,
+            color: Colors.blue
+          ),
+        ),
+        slider
+      ],
+    );
+  }
+}

lib/entity_widgets/default_entity_container.dart

@@ -0,0 +1,61 @@
+part of '../main.dart';
+
+class DefaultEntityContainer extends StatelessWidget {
+  DefaultEntityContainer({
+    Key key,
+    @required this.state
+  }) : super(key: key);
+
+  final Widget state;
+
+  @override
+  Widget build(BuildContext context) {
+    final EntityModel entityModel = EntityModel.of(context);
+    if (entityModel.entityWrapper.entity.statelessType == StatelessEntityType.MISSED) {
+      return MissedEntityWidget();
+    }
+    if (entityModel.entityWrapper.entity.statelessType == StatelessEntityType.DIVIDER) {
+      return Divider();
+    }
+    if (entityModel.entityWrapper.entity.statelessType == StatelessEntityType.SECTION) {
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[
+          Divider(),
+          Text(
+              "${entityModel.entityWrapper.entity.displayName}",
+            style: TextStyle(color: Colors.blue),
+          )
+        ],
+      );
+    }
+    return InkWell(
+      onLongPress: () {
+        if (entityModel.handleTap) {
+          entityModel.entityWrapper.handleHold();
+        }
+      },
+      onTap: () {
+        if (entityModel.handleTap) {
+          entityModel.entityWrapper.handleTap();
+        }
+      },
+      child: Row(
+        mainAxisSize: MainAxisSize.max,
+        children: <Widget>[
+          EntityIcon(),
+
+          Flexible(
+            fit: FlexFit.tight,
+            flex: 3,
+            child: EntityName(
+              padding: EdgeInsets.fromLTRB(10.0, 2.0, 10.0, 2.0),
+            ),
+          ),
+          state
+        ],
+      ),
+    );
+  }
+}

lib/entity_widgets/entity_colors.class.dart

@@ -0,0 +1,74 @@
+part of '../main.dart';
+
+class EntityColor {
+
+  static const defaultStateColor = Color.fromRGBO(68, 115, 158, 1.0);
+
+  static const badgeColors = {
+    "default": Color.fromRGBO(223, 76, 30, 1.0),
+    "binary_sensor": Color.fromRGBO(3, 155, 229, 1.0)
+  };
+
+  static const _stateColors = {
+    EntityState.on: Colors.amber,
+    "auto": Colors.amber,
+    EntityState.active: Colors.amber,
+    EntityState.playing: Colors.amber,
+    "above_horizon": Colors.amber,
+    EntityState.home:  Colors.amber,
+    EntityState.open:  Colors.amber,
+    EntityState.off: defaultStateColor,
+    EntityState.closed: defaultStateColor,
+    "below_horizon": defaultStateColor,
+    "default": defaultStateColor,
+    EntityState.idle: defaultStateColor,
+    "heat": Colors.redAccent,
+    "cool": Colors.lightBlue,
+    EntityState.unavailable: Colors.black26,
+    EntityState.unknown: Colors.black26,
+    EntityState.alarm_disarmed: Colors.green,
+    EntityState.alarm_armed_away: Colors.redAccent,
+    EntityState.alarm_armed_custom_bypass: Colors.redAccent,
+    EntityState.alarm_armed_home: Colors.redAccent,
+    EntityState.alarm_armed_night: Colors.redAccent,
+    EntityState.alarm_triggered: Colors.redAccent,
+    EntityState.alarm_arming: Colors.amber,
+    EntityState.alarm_disarming: Colors.amber,
+    EntityState.alarm_pending: Colors.amber,
+  };
+
+  static Color stateColor(String state) {
+    return _stateColors[state] ?? _stateColors["default"];
+  }
+
+  static charts.Color chartHistoryStateColor(String state, int id) {
+    Color c = _stateColors[state];
+    if (c != null) {
+      return charts.Color(
+          r: c.red,
+          g: c.green,
+          b: c.blue,
+          a: c.alpha
+      );
+    } else {
+      double r = id.toDouble() % 10;
+      return charts.MaterialPalette.getOrderedPalettes(10)[r.round()].shadeDefault;
+    }
+  }
+
+  static Color historyStateColor(String state, int id) {
+    Color c = _stateColors[state];
+    if (c != null) {
+      return c;
+    } else {
+      if (id > -1) {
+        double r = id.toDouble() % 10;
+        charts.Color c1 = charts.MaterialPalette.getOrderedPalettes(10)[r.round()].shadeDefault;
+        return Color.fromARGB(c1.a, c1.r, c1.g, c1.b);
+      } else {
+        return _stateColors[EntityState.on];
+      }
+    }
+  }
+
+}

lib/entity_widgets/entity_icon.dart

@@ -0,0 +1,74 @@
+part of '../main.dart';
+
+class EntityIcon extends StatelessWidget {
+
+  final EdgeInsetsGeometry padding;
+  final double size;
+  final Color color;
+
+  const EntityIcon({Key key, this.color, this.size: Sizes.iconSize, this.padding: const EdgeInsets.all(0.0)}) : super(key: key);
+
+  int getDefaultIconByEntityId(String entityId, String deviceClass, String state) {
+    String domain = entityId.split(".")[0];
+    String iconNameByDomain = MaterialDesignIcons.defaultIconsByDomains["$domain.$state"] ?? MaterialDesignIcons.defaultIconsByDomains["$domain"];
+    String iconNameByDeviceClass;
+    if (deviceClass != null) {
+      iconNameByDeviceClass = MaterialDesignIcons.defaultIconsByDeviceClass["$domain.$deviceClass.$state"] ?? MaterialDesignIcons.defaultIconsByDeviceClass["$domain.$deviceClass"];
+    }
+    String iconName = iconNameByDeviceClass ?? iconNameByDomain;
+    if (iconName != null) {
+      return MaterialDesignIcons.iconsDataMap[iconName] ?? 0;
+    } else {
+      return 0;
+    }
+  }
+
+  Widget buildIcon(EntityWrapper data, Color color) {
+    if (data == null) {
+      return null;
+    }
+    if (data.entityPicture != null) {
+      return Container(
+        height: size+12,
+        width: size+12,
+        decoration: BoxDecoration(
+            shape: BoxShape.circle,
+            image: DecorationImage(
+              fit:BoxFit.cover,
+              image: CachedNetworkImageProvider(
+                "${data.entityPicture}"
+              ),
+            )
+        ),
+      );
+    }
+    String iconName = data.icon;
+    int iconCode = 0;
+    if (iconName.length > 0) {
+      iconCode = MaterialDesignIcons.getIconCodeByIconName(iconName);
+    } else {
+      iconCode = getDefaultIconByEntityId(data.entity.entityId,
+          data.entity.deviceClass, data.entity.state); //
+    }
+    return Padding(
+        padding: EdgeInsets.fromLTRB(6.0, 6.0, 6.0, 6.0),
+        child: Icon(
+          IconData(iconCode, fontFamily: 'Material Design Icons'),
+          size: size,
+          color: color,
+        )
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final EntityWrapper entityWrapper = EntityModel.of(context).entityWrapper;
+    return Padding(
+      padding: padding,
+      child: buildIcon(
+          entityWrapper,
+          color ?? EntityColor.stateColor(entityWrapper.entity.state)
+      ),
+    );
+  }
+}

lib/entity_widgets/entity_name.dart

@@ -0,0 +1,33 @@
+part of '../main.dart';
+
+class EntityName extends StatelessWidget {
+
+  final EdgeInsetsGeometry padding;
+  final TextOverflow textOverflow;
+  final bool wordsWrap;
+  final double fontSize;
+  final TextAlign textAlign;
+  final int maxLines;
+
+  const EntityName({Key key, this.maxLines, this.padding: const EdgeInsets.only(right: 10.0), this.textOverflow: TextOverflow.ellipsis, this.wordsWrap: true, this.fontSize: Sizes.nameFontSize, this.textAlign: TextAlign.left}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final EntityWrapper entityWrapper = EntityModel.of(context).entityWrapper;
+    TextStyle textStyle = TextStyle(fontSize: fontSize);
+    if (entityWrapper.entity.statelessType == StatelessEntityType.WEBLINK) {
+      textStyle = textStyle.apply(color: Colors.blue, decoration: TextDecoration.underline);
+    }
+    return Padding(
+      padding: padding,
+      child: Text(
+        "${entityWrapper.displayName}",
+        overflow: textOverflow,
+        softWrap: wordsWrap,
+        maxLines: maxLines,
+        style: textStyle,
+        textAlign: textAlign,
+      ),
+    );
+  }
+}

lib/entity_widgets/entity_page_container.dart

@@ -0,0 +1,14 @@
+part of '../main.dart';
+
+class EntityPageContainer extends StatelessWidget {
+  EntityPageContainer({Key key, @required this.children}) : super(key: key);
+
+  final List<Widget> children;
+
+  @override
+  Widget build(BuildContext context) {
+    return ListView(
+      children: children,
+    );
+  }
+}

lib/entity_widgets/glance_entity_container.dart

@@ -0,0 +1,90 @@
+part of '../main.dart';
+
+class GlanceEntityContainer extends StatelessWidget {
+
+  final bool showName;
+  final bool showState;
+  final bool nameInTheBottom;
+  final double iconSize;
+  final double nameFontSize;
+  final bool wordsWrapInName;
+
+  GlanceEntityContainer({
+    Key key,
+    @required this.showName,
+    @required this.showState,
+    this.nameInTheBottom: false,
+    this.iconSize: Sizes.iconSize,
+    this.nameFontSize: Sizes.smallFontSize,
+    this.wordsWrapInName: false
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final EntityWrapper entityWrapper = EntityModel.of(context).entityWrapper;
+    if (entityWrapper.entity.statelessType == StatelessEntityType.MISSED) {
+      return MissedEntityWidget();
+    }
+    if (entityWrapper.entity.statelessType > StatelessEntityType.MISSED) {
+      return Container(width: 0.0, height: 0.0,);
+    }
+    List<Widget> result = [];
+    if (!nameInTheBottom) {
+      if (showName) {
+        result.add(_buildName());
+      }
+    } else {
+      if (showState) {
+        result.add(_buildState());
+      }
+    }
+    result.add(
+      EntityIcon(
+        padding: EdgeInsets.all(0.0),
+        size: iconSize,
+      )
+    );
+    if (!nameInTheBottom) {
+      if (showState) {
+        result.add(_buildState());
+      }
+    } else {
+      result.add(_buildName());
+    }
+
+    return Center(
+      child: InkResponse(
+        child: ConstrainedBox(
+          constraints: BoxConstraints(minWidth: Sizes.iconSize * 2),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            //mainAxisAlignment: MainAxisAlignment.start,
+            //crossAxisAlignment: CrossAxisAlignment.center,
+            children: result,
+          ),
+        ),
+        onTap: () => entityWrapper.handleTap(),
+        onLongPress: () => entityWrapper.handleHold(),
+      ),
+    );
+  }
+
+  Widget _buildName() {
+    return EntityName(
+      padding: EdgeInsets.only(bottom: Sizes.rowPadding),
+      textOverflow: TextOverflow.ellipsis,
+      wordsWrap: wordsWrapInName,
+      textAlign: TextAlign.center,
+      fontSize: nameFontSize,
+    );
+  }
+
+  Widget _buildState() {
+    return SimpleEntityState(
+      textAlign: TextAlign.center,
+      expanded: false,
+      maxLines: 1,
+      padding: EdgeInsets.only(top: Sizes.rowPadding),
+    );
+  }
+}

lib/entity_widgets/history_chart/combined_history_chart.dart

@@ -0,0 +1,230 @@
+part of '../../main.dart';
+
+class CombinedHistoryChartWidget extends StatefulWidget {
+  final rawHistory;
+  final EntityHistoryConfig config;
+
+  const CombinedHistoryChartWidget({Key key, @required this.rawHistory, @required this.config}) : super(key: key);
+
+
+  @override
+  State<StatefulWidget> createState() {
+    return new _CombinedHistoryChartWidgetState();
+  }
+
+}
+
+class _CombinedHistoryChartWidgetState extends State<CombinedHistoryChartWidget> {
+
+  int _selectedId = -1;
+  List<charts.Series<EntityHistoryMoment, DateTime>> _parsedHistory;
+
+  @override
+  void initState() {
+    // TODO: implement initState
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    _parsedHistory = _parseHistory();
+    DateTime selectedTime;
+    List<String> selectedStates = [];
+    List<int> colorIndexes = [];
+    if ((_selectedId > -1) && (_parsedHistory != null) && (_parsedHistory.first.data.length >= (_selectedId + 1))) {
+      selectedTime = _parsedHistory.first.data[_selectedId].startTime;
+      _parsedHistory.where((item) { return item.id == "state"; }).forEach((item) {
+        selectedStates.add(item.data[_selectedId].state);
+        colorIndexes.add(item.data[_selectedId].colorId);
+      });
+      _parsedHistory.where((item) { return item.id == "value"; }).forEach((item) {
+        selectedStates.add("${item.data[_selectedId].value ?? '-'}");
+        colorIndexes.add(item.data[_selectedId].colorId);
+      });
+    }
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.start,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        HistoryControlWidget(
+          selectedTimeStart: selectedTime,
+          selectedStates: selectedStates,
+          onPrevTap: () => _selectPrev(),
+          onNextTap: () => _selectNext(),
+          colorIndexes: colorIndexes,
+        ),
+        SizedBox(
+          height: 150.0,
+          child: charts.TimeSeriesChart(
+            _parsedHistory,
+            animate: false,
+            primaryMeasureAxis: new charts.NumericAxisSpec(
+                tickProviderSpec:
+                new charts.BasicNumericTickProviderSpec(zeroBound: false)),
+            dateTimeFactory: const charts.LocalDateTimeFactory(),
+            defaultRenderer: charts.LineRendererConfig(
+              includeArea: false,
+              includePoints: true
+            ),
+            selectionModels: [
+              new charts.SelectionModelConfig(
+                type: charts.SelectionModelType.info,
+                changedListener: (model) => _onSelectionChanged(model),
+              )
+            ],
+            customSeriesRenderers: [
+              new charts.SymbolAnnotationRendererConfig(
+                customRendererId: "stateBars"
+              )
+            ],
+          ),
+        )
+      ],
+    );
+  }
+
+  double _parseToDouble(temp1) {
+    if (temp1 is int) {
+      return temp1.toDouble();
+    } else if (temp1 is double) {
+      return temp1;
+    } else {
+      return double.tryParse("$temp1");
+    }
+  }
+
+  List<charts.Series<EntityHistoryMoment, DateTime>> _parseHistory() {
+    Logger.d("  parsing history...");
+    Map<String, List<EntityHistoryMoment>> numericDataLists = {};
+    int colorIdCounter = 0;
+    widget.config.numericAttributesToShow.forEach((String attrName) {
+      Logger.d("    parsing attribute $attrName");
+      List<EntityHistoryMoment> data = [];
+      DateTime now = DateTime.now();
+      for (var i = 0; i < widget.rawHistory.length; i++) {
+        var stateData = widget.rawHistory[i];
+        DateTime startTime = DateTime.tryParse(stateData["last_updated"])?.toLocal();
+        DateTime endTime;
+        bool hiddenLine;
+        double value;
+        double previousValue = 0.0;
+        value = _parseToDouble(stateData["attributes"]["$attrName"]);
+        bool hiddenDot = (value == null);
+        if (hiddenDot && i > 0) {
+          previousValue = data[i-1].value ?? data[i-1].previousValue;
+        }
+        if (i < (widget.rawHistory.length - 1)) {
+          endTime = DateTime.tryParse(widget.rawHistory[i+1]["last_updated"])?.toLocal();
+          double nextValue = _parseToDouble(widget.rawHistory[i+1]["attributes"]["$attrName"]);
+          hiddenLine = (nextValue == null || hiddenDot);
+        } else {
+          hiddenLine = hiddenDot;
+          endTime = now;
+        }
+        data.add(EntityHistoryMoment(
+          value: value,
+          previousValue: previousValue,
+          hiddenDot: hiddenDot,
+          hiddenLine: hiddenLine,
+          state: stateData["state"],
+          startTime: startTime,
+          endTime: endTime,
+          id: i,
+          colorId: colorIdCounter
+        ));
+      }
+      data.add(EntityHistoryMoment(
+          value: data.last.value,
+          previousValue: data.last.previousValue,
+          hiddenDot: data.last.hiddenDot,
+          hiddenLine: data.last.hiddenLine,
+          state: data.last.state,
+          startTime: now,
+          id: widget.rawHistory.length,
+          colorId: colorIdCounter
+      ));
+      numericDataLists.addAll({attrName: data});
+      colorIdCounter += 1;
+    });
+
+    if ((_selectedId == -1) && (numericDataLists.isNotEmpty)) {
+      _selectedId = 0;
+    }
+    List<charts.Series<EntityHistoryMoment, DateTime>> result = [];
+    numericDataLists.forEach((attrName, dataList) {
+      Logger.d("  adding ${dataList.length} data values");
+      result.add(
+        new charts.Series<EntityHistoryMoment, DateTime>(
+          id: "value",
+          colorFn: (EntityHistoryMoment historyMoment, __) => EntityColor.chartHistoryStateColor("_", historyMoment.colorId),
+          radiusPxFn: (EntityHistoryMoment historyMoment, __) {
+              if (historyMoment.hiddenDot) {
+                return 0.0;
+              } else if (historyMoment.id == _selectedId) {
+                return 5.0;
+              } else {
+                return 1.0;
+              }
+            },
+          strokeWidthPxFn: (EntityHistoryMoment historyMoment, __) => historyMoment.hiddenLine ? 0.0 : 2.0,
+          domainFn: (EntityHistoryMoment historyMoment, _) => historyMoment.startTime,
+          measureFn: (EntityHistoryMoment historyMoment, _) => historyMoment.value ?? historyMoment.previousValue,
+          data: dataList,
+          /*domainLowerBoundFn: (CombinedEntityStateHistoryMoment historyMoment, _) => historyMoment.time.subtract(Duration(hours: 1)),
+          domainUpperBoundFn: (CombinedEntityStateHistoryMoment historyMoment, _) => historyMoment.time.add(Duration(hours: 1)),*/
+        )
+      );
+    });
+    result.add(
+        new charts.Series<EntityHistoryMoment, DateTime>(
+          id: 'state',
+          radiusPxFn: (EntityHistoryMoment historyMoment, __) => (historyMoment.id == _selectedId) ? 5.0 : 4.0,
+          colorFn: (EntityHistoryMoment historyMoment, __) => EntityColor.chartHistoryStateColor(historyMoment.state, historyMoment.colorId),
+          domainFn: (EntityHistoryMoment historyMoment, _) => historyMoment.startTime,
+          domainLowerBoundFn: (EntityHistoryMoment historyMoment, _) => historyMoment.startTime,
+          domainUpperBoundFn: (EntityHistoryMoment historyMoment, _) => historyMoment.endTime ?? DateTime.now(),
+          // No measure values are needed for symbol annotations.
+          measureFn: (_, __) => null,
+          data: numericDataLists[numericDataLists.keys.first],
+        )
+        // Configure our custom symbol annotation renderer for this series.
+          ..setAttribute(charts.rendererIdKey, 'stateBars')
+        // Optional radius for the annotation shape. If not specified, this will
+        // default to the same radius as the points.
+          //..setAttribute(charts.boundsLineRadiusPxKey, 3.5)
+    );
+    return result;
+  }
+
+  void _selectPrev() {
+    if (_selectedId > 0) {
+      setState(() {
+        _selectedId -= 1;
+      });
+    }
+  }
+
+  void _selectNext() {
+    if (_selectedId < (_parsedHistory.first.data.length - 1)) {
+      setState(() {
+        _selectedId += 1;
+      });
+    }
+  }
+
+  void _onSelectionChanged(charts.SelectionModel model) {
+    final selectedDatum = model.selectedDatum;
+
+    int selectedId;
+
+    if (selectedDatum.isNotEmpty) {
+      selectedId = selectedDatum.first.datum.id;
+      setState(() {
+        _selectedId = selectedId;
+      });
+    } else {
+      setState(() {
+      });
+    }
+  }
+}

lib/entity_widgets/history_chart/entity_history.dart

@@ -0,0 +1,145 @@
+part of '../../main.dart';
+
+class EntityHistoryWidgetType {
+  static const int simple = 0;
+  static const int numericState = 1;
+  static const int numericAttributes = 2;
+}
+
+class EntityHistoryConfig {
+  final int chartType;
+  final List<String> numericAttributesToShow;
+  final bool numericState;
+
+  EntityHistoryConfig({this.chartType, this.numericAttributesToShow, this.numericState: true});
+
+}
+
+class EntityHistoryWidget extends StatefulWidget {
+
+  final EntityHistoryConfig config;
+
+  const EntityHistoryWidget({Key key, @required this.config}) : super(key: key);
+
+  @override
+  _EntityHistoryWidgetState createState() {
+    return new _EntityHistoryWidgetState();
+  }
+}
+
+class _EntityHistoryWidgetState extends State<EntityHistoryWidget> {
+
+  List _history;
+  bool _needToUpdateHistory;
+  DateTime _historyLastUpdated;
+  bool _disposed = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _needToUpdateHistory = true;
+  }
+
+  void _loadHistory(HomeAssistant ha, String entityId) {
+    DateTime now = DateTime.now();
+    if (_historyLastUpdated != null) {
+      Logger.d("History was updated ${now.difference(_historyLastUpdated).inSeconds} seconds ago");
+    }
+    if (_historyLastUpdated == null || now.difference(_historyLastUpdated).inSeconds > 30) {
+      _historyLastUpdated = now;
+      ha.connection.getHistory(entityId).then((history){
+        if (!_disposed) {
+          setState(() {
+            _history = history.isNotEmpty ? history[0] : [];
+            _needToUpdateHistory = false;
+          });
+        }
+      }).catchError((e) {
+        Logger.e("Error loading $entityId history: $e");
+        if (!_disposed) {
+          setState(() {
+            _history = [];
+            _needToUpdateHistory = false;
+          });
+        }
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final HomeAssistantModel homeAssistantModel = HomeAssistantModel.of(context);
+    final EntityModel entityModel = EntityModel.of(context);
+    final Entity entity = entityModel.entityWrapper.entity;
+    if (!_needToUpdateHistory) {
+      _needToUpdateHistory = true;
+    } else {
+      _loadHistory(homeAssistantModel.homeAssistant, entity.entityId);
+    }
+    return _buildChart();
+  }
+
+  Widget _buildChart() {
+    List<Widget> children = [];
+    if (_history == null) {
+      children.add(
+          Text("Loading history...")
+      );
+    } else if (_history.isEmpty) {
+      children.add(
+          Text("No history")
+      );
+    } else {
+      children.add(
+          _selectChartWidget()
+      );
+    }
+    children.add(Divider());
+    return Padding(
+      padding: EdgeInsets.fromLTRB(0.0, 0.0, 0.0, Sizes.rowPadding),
+      child: Column(
+        children: children,
+      ),
+    );
+  }
+
+  Widget _selectChartWidget() {
+    switch (widget.config.chartType) {
+
+      case EntityHistoryWidgetType.simple: {
+          return SimpleStateHistoryChartWidget(
+            rawHistory: _history,
+          );
+      }
+
+      case EntityHistoryWidgetType.numericState: {
+        return NumericStateHistoryChartWidget(
+          rawHistory: _history,
+          config: widget.config,
+        );
+      }
+
+      case EntityHistoryWidgetType.numericAttributes: {
+        return CombinedHistoryChartWidget(
+          rawHistory: _history,
+          config: widget.config,
+        );
+      }
+
+      default: {
+        Logger.d("  Simple selected as default");
+        return SimpleStateHistoryChartWidget(
+          rawHistory: _history,
+        );
+      }
+    }
+
+  }
+
+  @override
+  void dispose() {
+    _disposed = true;
+    super.dispose();
+  }
+
+}

lib/entity_widgets/history_chart/entity_history_moment.dart

@@ -0,0 +1,25 @@
+part of '../../main.dart';
+
+class EntityHistoryMoment {
+  final DateTime startTime;
+  final DateTime endTime;
+  final double value;
+  final double previousValue;
+  final int id;
+  final int colorId;
+  final String state;
+  final bool hiddenDot;
+  final bool hiddenLine;
+
+  EntityHistoryMoment({
+    this.value,
+    this.previousValue,
+    this.hiddenDot,
+    this.hiddenLine,
+    this.state,
+    @required this.startTime,
+    this.endTime,
+    @required this.id,
+    this.colorId
+  });
+}

lib/entity_widgets/history_chart/history_control_widget.dart

@@ -0,0 +1,86 @@
+part of '../../main.dart';
+
+class HistoryControlWidget extends StatelessWidget {
+
+  final Function onPrevTap;
+  final Function onNextTap;
+  final DateTime selectedTimeStart;
+  final DateTime selectedTimeEnd;
+  final List<String> selectedStates;
+  final List<int> colorIndexes;
+
+  const HistoryControlWidget({Key key, this.onPrevTap, this.onNextTap, this.selectedTimeStart, this.selectedTimeEnd, this.selectedStates, @ required this.colorIndexes}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    if (selectedTimeStart != null) {
+      return
+        Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: <Widget>[
+            IconButton(
+              icon: Icon(Icons.chevron_left),
+              padding: EdgeInsets.all(0.0),
+              iconSize: 40.0,
+              onPressed: onPrevTap,
+            ),
+            Expanded(
+              child: Padding(
+                padding: EdgeInsets.only(right: 10.0),
+                child: _buildStates(),
+              ),
+            ),
+            _buildTime(),
+            IconButton(
+              icon: Icon(Icons.chevron_right),
+              padding: EdgeInsets.all(0.0),
+              iconSize: 40.0,
+              onPressed: onNextTap,
+            ),
+          ],
+        );
+
+    } else {
+      return Container(height: 48.0);
+    }
+  }
+
+  Widget _buildStates() {
+    List<Widget> children = [];
+    for (int i = 0; i < selectedStates.length; i++) {
+      children.add(
+          Text(
+            "${selectedStates[i] ?? '-'}",
+            textAlign: TextAlign.right,
+            style: TextStyle(
+                fontWeight: FontWeight.bold,
+                color: EntityColor.historyStateColor(selectedStates[i], colorIndexes[i]),
+                fontSize: 22.0
+            ),
+          )
+      );
+    }
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.end,
+      children: children,
+    );
+  }
+
+  Widget _buildTime() {
+    List<Widget> children = [];
+    children.add(
+        Text("${formatDate(selectedTimeStart, [M, ' ', d, ', ', HH, ':', nn, ':', ss])}", textAlign: TextAlign.left,)
+    );
+    if (selectedTimeEnd != null) {
+      children.add(
+          Text("${formatDate(selectedTimeEnd, [M, ' ', d, ', ', HH, ':', nn, ':', ss])}", textAlign: TextAlign.left,)
+      );
+    }
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: children,
+    );
+  }
+
+}

lib/entity_widgets/history_chart/numeric_state_history_chart.dart

@@ -0,0 +1,160 @@
+part of '../../main.dart';
+
+class NumericStateHistoryChartWidget extends StatefulWidget {
+  final rawHistory;
+  final EntityHistoryConfig config;
+
+  const NumericStateHistoryChartWidget({Key key, @required this.rawHistory, @required this.config}) : super(key: key);
+
+
+  @override
+  State<StatefulWidget> createState() {
+    return new _NumericStateHistoryChartWidgetState();
+  }
+
+}
+
+class _NumericStateHistoryChartWidgetState extends State<NumericStateHistoryChartWidget> {
+
+  int _selectedId = -1;
+  List<charts.Series<EntityHistoryMoment, DateTime>> _parsedHistory;
+
+  @override
+  Widget build(BuildContext context) {
+    _parsedHistory = _parseHistory();
+    DateTime selectedTime;
+    double selectedState;
+    if ((_selectedId > -1) && (_parsedHistory != null) && (_parsedHistory.first.data.length >= (_selectedId + 1))) {
+      selectedTime = _parsedHistory.first.data[_selectedId].startTime;
+      selectedState = _parsedHistory.first.data[_selectedId].value;
+    }
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.start,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        HistoryControlWidget(
+          selectedTimeStart: selectedTime,
+          selectedStates: ["${selectedState ?? '-'}"],
+          onPrevTap: () => _selectPrev(),
+          onNextTap: () => _selectNext(),
+          colorIndexes: [-1],
+        ),
+        SizedBox(
+          height: 150.0,
+          child: charts.TimeSeriesChart(
+            _parsedHistory,
+            animate: false,
+            primaryMeasureAxis: new charts.NumericAxisSpec(
+                tickProviderSpec:
+                new charts.BasicNumericTickProviderSpec(zeroBound: false)),
+            dateTimeFactory: const charts.LocalDateTimeFactory(),
+            defaultRenderer: charts.LineRendererConfig(
+              includePoints: true
+            ),
+            /*primaryMeasureAxis: charts.NumericAxisSpec(
+                renderSpec: charts.NoneRenderSpec()
+            ),*/
+            selectionModels: [
+              new charts.SelectionModelConfig(
+                type: charts.SelectionModelType.info,
+                changedListener: (model) => _onSelectionChanged(model),
+              )
+            ],
+          ),
+        )
+      ],
+    );
+  }
+
+  List<charts.Series<EntityHistoryMoment, DateTime>> _parseHistory() {
+    List<EntityHistoryMoment> data = [];
+    DateTime now = DateTime.now();
+    for (var i = 0; i < widget.rawHistory.length; i++) {
+      var stateData = widget.rawHistory[i];
+      DateTime time = DateTime.tryParse(stateData["last_updated"])?.toLocal();
+      double value = double.tryParse(stateData["state"]);
+      double previousValue = 0.0;
+      bool hiddenDot = (value == null);
+      bool hiddenLine;
+      if (hiddenDot && i > 0) {
+        previousValue = data[i-1].value ?? data[i-1].previousValue;
+      }
+      if (i < (widget.rawHistory.length - 1)) {
+        double nextValue = double.tryParse(widget.rawHistory[i+1]["state"]);
+        hiddenLine = (nextValue == null || hiddenDot);
+      } else {
+        hiddenLine = hiddenDot;
+      }
+      data.add(EntityHistoryMoment(
+        value: value,
+        previousValue: previousValue,
+        hiddenDot: hiddenDot,
+        hiddenLine: hiddenLine,
+        startTime: time,
+        id: i
+      ));
+    }
+    data.add(EntityHistoryMoment(
+        value: data.last.value,
+        previousValue: data.last.previousValue,
+        hiddenDot: data.last.hiddenDot,
+        hiddenLine:  data.last.hiddenLine,
+        startTime: now,
+        id: widget.rawHistory.length
+    ));
+    if (_selectedId == -1) {
+      _selectedId = 0;
+    }
+    return [
+      new charts.Series<EntityHistoryMoment, DateTime>(
+        id: 'State',
+        colorFn: (EntityHistoryMoment historyMoment, __) => EntityColor.chartHistoryStateColor(EntityState.on, -1),
+        domainFn: (EntityHistoryMoment historyMoment, _) => historyMoment.startTime,
+        measureFn: (EntityHistoryMoment historyMoment, _) => historyMoment.value ?? historyMoment.previousValue,
+        data: data,
+        strokeWidthPxFn: (EntityHistoryMoment historyMoment, __) => historyMoment.hiddenLine ? 0.0 : 2.0,
+        radiusPxFn: (EntityHistoryMoment historyMoment, __) {
+          if (historyMoment.hiddenDot) {
+            return 0.0;
+          } else if (historyMoment.id == _selectedId) {
+            return 5.0;
+          } else {
+            return 1.0;
+          }
+        },
+      )
+    ];
+  }
+
+  void _selectPrev() {
+    if (_selectedId > 0) {
+      setState(() {
+        _selectedId -= 1;
+      });
+    }
+  }
+
+  void _selectNext() {
+    if (_selectedId < (_parsedHistory.first.data.length - 1)) {
+      setState(() {
+        _selectedId += 1;
+      });
+    }
+  }
+
+  void _onSelectionChanged(charts.SelectionModel model) {
+    final selectedDatum = model.selectedDatum;
+
+    int selectedId;
+
+    if (selectedDatum.isNotEmpty) {
+      selectedId = selectedDatum.first.datum.id;
+      setState(() {
+        _selectedId = selectedId;
+      });
+    } else {
+      setState(() {
+      });
+    }
+  }
+}

lib/entity_widgets/history_chart/simple_state_history_chart.dart

@@ -0,0 +1,176 @@
+part of '../../main.dart';
+
+class SimpleStateHistoryChartWidget extends StatefulWidget {
+  final rawHistory;
+
+  const SimpleStateHistoryChartWidget({Key key, this.rawHistory}) : super(key: key);
+
+
+  @override
+  State<StatefulWidget> createState() {
+    return new _SimpleStateHistoryChartWidgetState();
+  }
+
+}
+
+class _SimpleStateHistoryChartWidgetState extends State<SimpleStateHistoryChartWidget> {
+
+  int _selectedId = -1;
+  List<charts.Series<EntityHistoryMoment, DateTime>> _parsedHistory;
+
+  @override
+  Widget build(BuildContext context) {
+    _parsedHistory = _parseHistory();
+    DateTime selectedTimeStart;
+    DateTime selectedTimeEnd;
+    String selectedState;
+    if ((_selectedId > -1) && (_parsedHistory != null) && (_parsedHistory.first.data.length >= (_selectedId + 1))) {
+      selectedTimeStart = _parsedHistory.first.data[_selectedId].startTime;
+      selectedTimeEnd = _parsedHistory.first.data[_selectedId].endTime;
+      selectedState = _parsedHistory.first.data[_selectedId].state;
+    }
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.start,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        HistoryControlWidget(
+          selectedTimeStart: selectedTimeStart,
+          selectedTimeEnd: selectedTimeEnd,
+          selectedStates: [selectedState],
+          onPrevTap: () => _selectPrev(),
+          onNextTap: () => _selectNext(),
+          colorIndexes: [_parsedHistory.first.data[_selectedId].colorId],
+        ),
+        SizedBox(
+          height: 70.0,
+          child: charts.TimeSeriesChart(
+            _parsedHistory,
+            animate: false,
+            dateTimeFactory: const charts.LocalDateTimeFactory(),
+            primaryMeasureAxis: charts.NumericAxisSpec(
+                renderSpec: charts.NoneRenderSpec()
+            ),
+            selectionModels: [
+              new charts.SelectionModelConfig(
+                type: charts.SelectionModelType.info,
+                changedListener: (model) => _onSelectionChanged(model),
+              )
+            ],
+            customSeriesRenderers: [
+              new charts.PointRendererConfig(
+                // ID used to link series to this renderer.
+                  customRendererId: 'startValuePoints'),
+              new charts.PointRendererConfig(
+                // ID used to link series to this renderer.
+                  customRendererId: 'endValuePoints')
+            ],
+          ),
+        )
+      ],
+    );
+  }
+
+  List<charts.Series<EntityHistoryMoment, DateTime>> _parseHistory() {
+    List<EntityHistoryMoment> data = [];
+    DateTime now = DateTime.now();
+    Map<String, int> cachedStates = {};
+    for (var i = 0; i < widget.rawHistory.length; i++) {
+      var stateData = widget.rawHistory[i];
+      DateTime startTime = DateTime.tryParse(stateData["last_updated"])?.toLocal();
+      DateTime endTime;
+      if (i < (widget.rawHistory.length - 1)) {
+        endTime = DateTime.tryParse(widget.rawHistory[i+1]["last_updated"])?.toLocal();
+      } else {
+        endTime = now;
+      }
+      if (cachedStates[stateData["state"]] == null) {
+        cachedStates.addAll({"${stateData["state"]}": cachedStates.length});
+      }
+      data.add(EntityHistoryMoment(
+        state: stateData["state"],
+        startTime: startTime,
+        endTime: endTime,
+        id: i,
+        colorId: cachedStates[stateData["state"]]
+      ));
+    }
+    data.add(EntityHistoryMoment(
+        state: data.last.state,
+        startTime: now,
+        id: widget.rawHistory.length,
+        colorId: data.last.colorId
+    ));
+    if (_selectedId == -1) {
+      _selectedId = 0;
+    }
+    return [
+      new charts.Series<EntityHistoryMoment, DateTime>(
+        id: 'State',
+        strokeWidthPxFn: (EntityHistoryMoment historyMoment, __) => (historyMoment.id == _selectedId) ? 6.0 : 3.0,
+        colorFn: (EntityHistoryMoment historyMoment, __) => EntityColor.chartHistoryStateColor(historyMoment.state, historyMoment.colorId),
+        domainFn: (EntityHistoryMoment historyMoment, _) => historyMoment.startTime,
+        measureFn: (EntityHistoryMoment historyMoment, _) => 10,
+        data: data,
+      ),
+      new charts.Series<EntityHistoryMoment, DateTime>(
+        id: 'State',
+        radiusPxFn: (EntityHistoryMoment historyMoment, __) => (historyMoment.id == _selectedId) ? 5.0 : 3.0,
+        colorFn: (EntityHistoryMoment historyMoment, __) => EntityColor.chartHistoryStateColor(historyMoment.state, historyMoment.colorId),
+        domainFn: (EntityHistoryMoment historyMoment, _) => historyMoment.startTime,
+        measureFn: (EntityHistoryMoment historyMoment, _) => 10,
+        data: data,
+      )..setAttribute(charts.rendererIdKey, 'startValuePoints'),
+      new charts.Series<EntityHistoryMoment, DateTime>(
+        id: 'State',
+        radiusPxFn: (EntityHistoryMoment historyMoment, __) => (historyMoment.id == _selectedId) ? 5.0 : 3.0,
+        colorFn: (EntityHistoryMoment historyMoment, __) => EntityColor.chartHistoryStateColor(historyMoment.state, historyMoment.colorId),
+        domainFn: (EntityHistoryMoment historyMoment, _) => historyMoment.endTime ?? DateTime.now(),
+        measureFn: (EntityHistoryMoment historyMoment, _) => 10,
+        data: data,
+      )..setAttribute(charts.rendererIdKey, 'endValuePoints')
+    ];
+  }
+
+  void _selectPrev() {
+    if (_selectedId > 0) {
+      setState(() {
+        _selectedId -= 1;
+      });
+    }
+  }
+
+  void _selectNext() {
+    if (_selectedId < (_parsedHistory.first.data.length - 2)) {
+      setState(() {
+        _selectedId += 1;
+      });
+    }
+  }
+
+  void _onSelectionChanged(charts.SelectionModel model) {
+    final selectedDatum = model.selectedDatum;
+
+    int selectedId;
+
+    if ((selectedDatum.isNotEmpty) &&(selectedDatum.first.datum.endTime != null)) {
+      selectedId = selectedDatum.first.datum.id;
+      setState(() {
+        _selectedId = selectedId;
+      });
+    } else {
+      setState(() {
+      });
+    }
+  }
+}
+
+/*
+class SimpleEntityStateHistoryMoment {
+  final DateTime startTime;
+  final DateTime endTime;
+  final String state;
+  final int id;
+  final int colorId;
+
+  SimpleEntityStateHistoryMoment(this.state, this.startTime, this.endTime,  this.id, this.colorId);
+}*/

lib/entity_widgets/missed_entity.dart

@@ -0,0 +1,19 @@
+part of '../main.dart';
+
+class MissedEntityWidget extends StatelessWidget {
+  MissedEntityWidget({
+    Key key
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final EntityModel entityModel = EntityModel.of(context);
+    return Container(
+        child: Padding(
+          padding: EdgeInsets.all(5.0),
+          child: Text("Entity not available: ${entityModel.entityWrapper.entity.entityId}"),
+        ),
+        color: Colors.amber[100],
+    );
+  }
+}

lib/entity_widgets/model_widgets.dart

@@ -0,0 +1,42 @@
+part of '../main.dart';
+
+class EntityModel extends InheritedWidget {
+  const EntityModel({
+    Key key,
+    @required this.entityWrapper,
+    @required this.handleTap,
+    @required Widget child,
+  }) : super(key: key, child: child);
+
+  final EntityWrapper entityWrapper;
+  final bool handleTap;
+
+  static EntityModel of(BuildContext context) {
+    return context.inheritFromWidgetOfExactType(EntityModel);
+  }
+
+  @override
+  bool updateShouldNotify(InheritedWidget oldWidget) {
+    return true;
+  }
+}
+
+class HomeAssistantModel extends InheritedWidget {
+
+  const HomeAssistantModel({
+    Key key,
+    @required this.homeAssistant,
+    @required Widget child,
+  }) : super(key: key, child: child);
+
+  final HomeAssistant homeAssistant;
+
+  static HomeAssistantModel of(BuildContext context) {
+    return context.inheritFromWidgetOfExactType(HomeAssistantModel);
+  }
+
+  @override
+  bool updateShouldNotify(InheritedWidget oldWidget) {
+    return true;
+  }
+}

lib/entity_widgets/state/climate_state.dart

@@ -0,0 +1,52 @@
+part of '../../main.dart';
+
+class ClimateStateWidget extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final ClimateEntity entity = entityModel.entityWrapper.entity;
+    String targetTemp = "-";
+    if ((entity.supportTargetTemperature) && (entity.temperature != null)) {
+      targetTemp = "${entity.temperature}";
+    } else if ((entity.supportTargetTemperatureLow) &&
+        (entity.targetLow != null)) {
+      targetTemp = "${entity.targetLow}";
+      if ((entity.supportTargetTemperatureHigh) &&
+          (entity.targetHigh != null)) {
+        targetTemp += " - ${entity.targetHigh}";
+      }
+    }
+    return Padding(
+        padding: EdgeInsets.fromLTRB(
+            0.0, 0.0, Sizes.rightWidgetPadding, 0.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.end,
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            Row(
+              children: <Widget>[
+                Text("${entity.state}",
+                    textAlign: TextAlign.right,
+                    style: new TextStyle(
+                      fontWeight: FontWeight.bold,
+                      fontSize: Sizes.stateFontSize,
+                    )),
+                Text(" $targetTemp",
+                    textAlign: TextAlign.right,
+                    style: new TextStyle(
+                      fontSize: Sizes.stateFontSize,
+                    ))
+              ],
+            ),
+            entity.attributes["current_temperature"] != null ?
+            Text("Currently: ${entity.attributes["current_temperature"]}",
+                textAlign: TextAlign.right,
+                style: new TextStyle(
+                    fontSize: Sizes.stateFontSize,
+                    color: Colors.black45)
+            ) :
+            Container(height: 0.0,)
+          ],
+        ));
+  }
+}

lib/entity_widgets/state/cover_state.dart

@@ -0,0 +1,65 @@
+part of '../../main.dart';
+
+class CoverStateWidget extends StatelessWidget {
+  void _open(CoverEntity entity) {
+    eventBus.fire(new ServiceCallEvent(
+        entity.domain, "open_cover", entity.entityId, null));
+  }
+
+  void _close(CoverEntity entity) {
+    eventBus.fire(new ServiceCallEvent(
+        entity.domain, "close_cover", entity.entityId, null));
+  }
+
+  void _stop(CoverEntity entity) {
+    eventBus.fire(new ServiceCallEvent(
+        entity.domain, "stop_cover", entity.entityId, null));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final CoverEntity entity = entityModel.entityWrapper.entity;
+    List<Widget> buttons = [];
+    if (entity.supportOpen) {
+      buttons.add(IconButton(
+          icon: Icon(
+            MaterialDesignIcons.getIconDataFromIconName("mdi:arrow-up"),
+            size: Sizes.iconSize,
+          ),
+          onPressed: entity.canBeOpened ? () => _open(entity) : null));
+    } else {
+      buttons.add(Container(
+        width: Sizes.iconSize + 20.0,
+      ));
+    }
+    if (entity.supportStop) {
+      buttons.add(IconButton(
+          icon: Icon(
+            MaterialDesignIcons.getIconDataFromIconName("mdi:stop"),
+            size: Sizes.iconSize,
+          ),
+          onPressed: () => _stop(entity)));
+    } else {
+      buttons.add(Container(
+        width: Sizes.iconSize + 20.0,
+      ));
+    }
+    if (entity.supportClose) {
+      buttons.add(IconButton(
+          icon: Icon(
+            MaterialDesignIcons.getIconDataFromIconName("mdi:arrow-down"),
+            size: Sizes.iconSize,
+          ),
+          onPressed: entity.canBeClosed ? () => _close(entity) : null));
+    } else {
+      buttons.add(Container(
+        width: Sizes.iconSize + 20.0,
+      ));
+    }
+
+    return Row(
+      children: buttons,
+    );
+  }
+}

lib/entity_widgets/state/date_time_state.dart

@@ -0,0 +1,75 @@
+part of '../../main.dart';
+
+class DateTimeStateWidget extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final DateTimeEntity entity = entityModel.entityWrapper.entity;
+    return Padding(
+        padding: EdgeInsets.fromLTRB(0.0, 0.0, Sizes.rightWidgetPadding, 0.0),
+        child: GestureDetector(
+          child: Text("${entity.formattedState}",
+              textAlign: TextAlign.right,
+              style: new TextStyle(
+                fontSize: Sizes.stateFontSize,
+              )),
+          onTap: () => _handleStateTap(context, entity),
+        ));
+  }
+
+  void _handleStateTap(BuildContext context, DateTimeEntity entity) {
+    if (entity.hasDate) {
+      _showDatePicker(context, entity).then((date) {
+        if (date != null) {
+          if (entity.hasTime) {
+            _showTimePicker(context, entity).then((time) {
+              entity.setNewState({
+                "date": "${formatDate(date, [yyyy, '-', mm, '-', dd])}",
+                "time":
+                "${formatDate(DateTime(1970, 1, 1, time.hour, time.minute), [
+                  HH,
+                  ':',
+                  nn
+                ])}"
+              });
+            });
+          } else {
+            entity.setNewState({
+              "date": "${formatDate(date, [yyyy, '-', mm, '-', dd])}"
+            });
+          }
+        }
+      });
+    } else if (entity.hasTime) {
+      _showTimePicker(context, entity).then((time) {
+        if (time != null) {
+          entity.setNewState({
+            "time":
+            "${formatDate(DateTime(1970, 1, 1, time.hour, time.minute), [
+              HH,
+              ':',
+              nn
+            ])}"
+          });
+        }
+      });
+    } else {
+      Logger.w( "${entity.entityId} has no date and no time");
+    }
+  }
+
+  Future _showDatePicker(BuildContext context, DateTimeEntity entity) {
+    return showDatePicker(
+        context: context,
+        initialDate: entity.dateTimeState,
+        firstDate: DateTime(1970),
+        lastDate: DateTime(2037) //Unix timestamp will finish at Jan 19, 2038
+    );
+  }
+
+  Future _showTimePicker(BuildContext context, DateTimeEntity entity) {
+    return showTimePicker(
+        context: context,
+        initialTime: TimeOfDay.fromDateTime(entity.dateTimeState));
+  }
+}

lib/entity_widgets/state/lock_state.dart

@@ -0,0 +1,66 @@
+part of '../../main.dart';
+
+class LockStateWidget extends StatelessWidget {
+
+  final bool assumedState;
+
+  const LockStateWidget({Key key, this.assumedState: false}) : super(key: key);
+
+  void _lock(Entity entity) {
+    eventBus.fire(new ServiceCallEvent("lock", "lock", entity.entityId, null));
+  }
+
+  void _unlock(Entity entity) {
+    eventBus.fire(new ServiceCallEvent("lock", "unlock", entity.entityId, null));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final LockEntity entity = entityModel.entityWrapper.entity;
+    if (assumedState) {
+      return Row(
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[
+        SizedBox(
+        height: 34.0,
+        child: FlatButton(
+          onPressed: () => _unlock(entity),
+          child: Text("UNLOCK",
+              textAlign: TextAlign.right,
+              style:
+              new TextStyle(fontSize: Sizes.stateFontSize, color: Colors.blue),
+            ),
+          )
+        ),
+        SizedBox(
+            height: 34.0,
+            child: FlatButton(
+              onPressed: () => _lock(entity),
+              child: Text("LOCK",
+                textAlign: TextAlign.right,
+                style:
+                new TextStyle(fontSize: Sizes.stateFontSize, color: Colors.blue),
+              ),
+            )
+        )
+        ],
+      );
+    } else {
+      return SizedBox(
+          height: 34.0,
+          child: FlatButton(
+            onPressed: (() {
+              entity.isLocked ? _unlock(entity) : _lock(entity);
+            }),
+            child: Text(
+              entity.isLocked ? "UNLOCK" : "LOCK",
+              textAlign: TextAlign.right,
+              style:
+              new TextStyle(fontSize: Sizes.stateFontSize, color: Colors.blue),
+            ),
+          )
+      );
+    }
+  }
+}

lib/entity_widgets/state/select_state.dart

@@ -0,0 +1,49 @@
+part of '../../main.dart';
+
+class SelectStateWidget extends StatefulWidget {
+
+  SelectStateWidget({Key key}) : super(key: key);
+
+  @override
+  _SelectStateWidgetState createState() => _SelectStateWidgetState();
+}
+
+class _SelectStateWidgetState extends State<SelectStateWidget> {
+
+  void setNewState(domain, entityId, newValue) {
+    eventBus.fire(new ServiceCallEvent(domain, "select_option", entityId,
+        {"option": "$newValue"}));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final entityModel = EntityModel.of(context);
+    final SelectEntity entity = entityModel.entityWrapper.entity;
+    Widget ctrl;
+    if (entity.listOptions.isNotEmpty) {
+      ctrl = DropdownButton<String>(
+        value: entity.state,
+        isExpanded: true,
+        items: entity.listOptions.map((String value) {
+          return new DropdownMenuItem<String>(
+            value: value,
+            child: new Text(value),
+          );
+        }).toList(),
+        onChanged: (_) {
+          setNewState(entity.domain, entity.entityId,_);
+        },
+      );
+    } else {
+      ctrl = Text('---');
+    }
+    return Flexible(
+      flex: 2,
+      fit: FlexFit.tight,
+      //width: Entity.INPUT_WIDTH,
+      child: ctrl,
+    );
+  }
+
+
+}