Build 101

README.md

@@ -1,13 +1,12 @@
+[![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 on Dart with Flutter.
+Visit [homemade.systems](http://ha-client.homemade.systems/) for more info.
-
-Visit [www.vynn.co](https://www.vynn.co/ha-client) 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) or in [Discord](https://discord.gg/NSaQEQ8)
+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 +29,7 @@ def keystoreProperties = new Properties()
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -43,7 +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"
@@ -70,7 +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"
@@ -30,6 +31,10 @@
             <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"/>

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

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/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/alarm_control_panel.class.dart

@@ -1,7 +1,8 @@
 part of '../main.dart';
 
 class AlarmControlPanelEntity extends Entity {
-  AlarmControlPanelEntity(Map rawData) : super(rawData);
+  AlarmControlPanelEntity(Map rawData, String webHost) : super(rawData, webHost);
+
 
   @override
   Widget _buildAdditionalControlsForPage(BuildContext context) {

lib/entity_class/automation_entity.dart

@@ -1,7 +1,8 @@
 part of '../main.dart';
 
 class AutomationEntity extends Entity {
-  AutomationEntity(Map rawData) : super(rawData);
+  AutomationEntity(Map rawData, String webHost) : super(rawData, webHost);
+
 
   @override
   Widget _buildStatePart(BuildContext context) {

lib/entity_class/button_entity.class.dart

@@ -1,7 +1,8 @@
 part of '../main.dart';
 
 class ButtonEntity extends Entity {
-  ButtonEntity(Map rawData) : super(rawData);
+  ButtonEntity(Map rawData, String webHost) : super(rawData, webHost);
+
 
   @override
   Widget _buildStatePart(BuildContext context) {
@@ -9,7 +10,7 @@ class ButtonEntity extends Entity {
       entityId: entityId,
       serviceDomain: domain,
       serviceName: 'turn_on',
-      text: "EXECUTE",
+      text: domain == "scene" ? "ACTIVATE" : "EXECUTE",
     );
   }
 }

lib/entity_class/camera_entity.class.dart

@@ -4,7 +4,7 @@ class CameraEntity extends Entity {
 
   static const SUPPORT_ON_OFF = 1;
 
-  CameraEntity(Map rawData) : super(rawData);
+  CameraEntity(Map rawData, String webHost) : super(rawData, webHost);
 
   bool get supportOnOff => ((supportedFeatures &
   CameraEntity.SUPPORT_ON_OFF) ==

lib/entity_class/climate_entity.class.dart

@@ -23,6 +23,8 @@ class ClimateEntity extends Entity {
   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);
@@ -88,11 +90,9 @@ class ClimateEntity extends Entity {
   bool get isOff => state == EntityState.off;
   bool get auxHeat => attributes['aux_heat'] == "on";
 
-  ClimateEntity(Map rawData) : super(rawData);
-
   @override
-  void update(Map rawData) {
+  void update(Map rawData, String webHost) {
-    super.update(rawData);
+    super.update(rawData, webHost);
     if (supportTargetTemperature) {
       historyConfig.numericAttributesToShow.add("temperature");
     }

lib/entity_class/const.dart

@@ -28,6 +28,7 @@ class EntityState {
   static const unavailable = 'unavailable';
   static const ok = 'ok';
   static const problem = 'problem';
+  static const active = 'active';
 }
 
 class EntityUIAction {

lib/entity_class/cover_entity.class.dart

@@ -11,6 +11,8 @@ class CoverEntity extends Entity {
   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);
@@ -45,8 +47,6 @@ class CoverEntity extends Entity {
   bool get canTiltBeOpened => currentTiltPosition < 100;
   bool get canTiltBeClosed => currentTiltPosition > 0;
 
-  CoverEntity(Map rawData) : super(rawData);
-
   @override
   Widget _buildStatePart(BuildContext context) {
     return CoverStateWidget();

lib/entity_class/date_time_entity.class.dart

@@ -1,6 +1,8 @@
 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;
@@ -12,8 +14,6 @@ class DateTimeEntity extends Entity {
   String get formattedState => _getFormattedState();
   DateTime get dateTimeState => _getDateTimeState();
 
-  DateTimeEntity(Map rawData) : super(rawData);
-
   @override
   Widget _buildStatePart(BuildContext context) {
     return DateTimeStateWidget();

lib/entity_class/entity.class.dart

@@ -1,5 +1,14 @@
 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 = [
@@ -64,12 +73,13 @@ class Entity {
   Map attributes;
   String domain;
   String entityId;
+  String entityPicture;
   String state;
   String displayState;
   DateTime _lastUpdated;
+  int statelessType = 0;
 
   List<Entity> childEntities = [];
-  List<String> attributesToShow = ["all"];
   String deviceClass;
   EntityHistoryConfig historyConfig = EntityHistoryConfig(
     chartType: EntityHistoryWidgetType.simple
@@ -85,7 +95,6 @@ class Entity {
   bool get isBadge => Entity.badgeDomains.contains(domain);
   String get icon => attributes["icon"] ?? "";
   bool get isOn => state == EntityState.on;
-  String get entityPicture => attributes["entity_picture"];
   String get unitOfMeasurement => attributes["unit_of_measurement"] ?? "";
   List get childEntityIds => attributes["entity_id"] ?? [];
   String get lastUpdated => _getLastUpdatedFormatted();
@@ -93,11 +102,53 @@ class Entity {
   double get doubleState => double.tryParse(state) ?? 0.0;
   int get supportedFeatures => attributes["supported_features"] ?? 0;
 
-  Entity(Map rawData) {
+  String _getEntityPictureUrl(String webHost) {
-    update(rawData);
+    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;
   }
 
-  void update(Map rawData) {
+  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": "${icon ?? 'mdi:link'}"};
+  }
+
+  void update(Map rawData, String webHost) {
     attributes = rawData["attributes"] ?? {};
     domain = rawData["entity_id"].split(".")[0];
     entityId = rawData["entity_id"];
@@ -105,6 +156,7 @@ class Entity {
     state = rawData["state"];
     displayState = Entity.StateByDeviceClass["$deviceClass.$state"] ?? state;
     _lastUpdated = DateTime.tryParse(rawData["last_updated"]);
+    entityPicture = _getEntityPictureUrl(webHost);
   }
 
   double _getDoubleAttributeValue(String attributeName) {

lib/entity_class/entity_wrapper.class.dart

@@ -4,6 +4,7 @@ class EntityWrapper {
 
   String displayName;
   String icon;
+  String entityPicture;
   EntityUIAction uiAction;
   Entity entity;
 
@@ -14,10 +15,15 @@ class EntityWrapper {
     String displayName,
     this.uiAction
   }) {
-    this.icon = icon ?? entity.icon;
+    if (entity.statelessType == StatelessEntityType.NONE || entity.statelessType == StatelessEntityType.CALL_SERVICE || entity.statelessType == StatelessEntityType.WEBLINK) {
-    this.displayName = displayName ?? entity.displayName;
+      this.icon = icon ?? entity.icon;
-    if (this.uiAction == null) {
+      if (icon == null) {
-      this.uiAction = EntityUIAction();
+        entityPicture = entity.entityPicture;
+      }
+      this.displayName = displayName ?? entity.displayName;
+      if (uiAction == null) {
+        uiAction = EntityUIAction();
+      }
     }
   }
 
@@ -49,6 +55,16 @@ class EntityWrapper {
         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;
       }
@@ -79,6 +95,16 @@ class EntityWrapper {
           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

@@ -6,7 +6,7 @@ class FanEntity extends Entity {
   static const SUPPORT_OSCILLATE = 2;
   static const SUPPORT_DIRECTION = 4;
 
-  FanEntity(Map rawData) : super(rawData);
+  FanEntity(Map rawData, String webHost) : super(rawData, webHost);
 
   bool get supportSetSpeed => ((supportedFeatures &
   FanEntity.SUPPORT_SET_SPEED) ==

lib/entity_class/group_entity.class.dart

@@ -1,12 +1,13 @@
 part of '../main.dart';
 
 class GroupEntity extends Entity {
-  GroupEntity(Map rawData) : super(rawData);
 
   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) {
@@ -19,8 +20,8 @@ class GroupEntity extends Entity {
   }
 
   @override
-  void update(Map rawData) {
+  void update(Map rawData, String webHost) {
-    super.update(rawData);
+    super.update(rawData, webHost);
     if (_isOneDomain()) {
       mutualDomain = attributes['entity_id'][0].split(".")[0];
       switchable = _domainsForSwitchableGroup.contains(mutualDomain);

lib/entity_class/light_entity.class.dart

@@ -33,6 +33,7 @@ class LightEntity extends Entity {
       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");
@@ -41,15 +42,18 @@ class LightEntity extends Entity {
   bool get isAdditionalControls => ((supportedFeatures != null) && (supportedFeatures != 0));
   List<String> get effectList => getStringListAttributeValue("effect_list");
 
-  LightEntity(Map rawData) : super(rawData);
+  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.length > 0)) {
+      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;
       }

lib/entity_class/lock_entity.class.dart

@@ -1,12 +1,21 @@
 part of '../main.dart';
 
 class LockEntity extends Entity {
-  LockEntity(Map rawData) : super(rawData);
+  LockEntity(Map rawData, String webHost) : super(rawData, webHost);
 
   bool get isLocked => state == "locked";
 
   @override
   Widget _buildStatePart(BuildContext context) {
-    return LockStateWidget();
+    return LockStateWidget(
+      assumedState: false,
+    );
+  }
+
+  @override
+  Widget _buildStatePartForPage(BuildContext context) {
+    return LockStateWidget(
+      assumedState: true,
+    );
   }
 }

lib/entity_class/media_player_entity.class.dart

@@ -20,7 +20,7 @@ class MediaPlayerEntity extends Entity {
   static const SUPPORT_SHUFFLE_SET = 32768;
   static const SUPPORT_SELECT_SOUND_MODE = 65536;
 
-  MediaPlayerEntity(Map rawData) : super(rawData);
+  MediaPlayerEntity(Map rawData, String webHost) : super(rawData, webHost);
 
   bool get supportPause => ((supportedFeatures &
   MediaPlayerEntity.SUPPORT_PAUSE) ==

lib/entity_class/other_entity.class.dart

@@ -1,7 +1,7 @@
 part of '../main.dart';
 
 class SunEntity extends Entity {
-  SunEntity(Map rawData) : super(rawData);
+  SunEntity(Map rawData, String webHost) : super(rawData, webHost);
 }
 
 class SensorEntity extends Entity {
@@ -12,6 +12,6 @@ class SensorEntity extends Entity {
       numericState: true
   );
 
-  SensorEntity(Map rawData) : super(rawData);
+  SensorEntity(Map rawData, String webHost) : super(rawData, webHost);
 
 }

lib/entity_class/select_entity.class.dart

@@ -5,7 +5,7 @@ class SelectEntity extends Entity {
       ? (attributes["options"] as List).cast<String>()
       : [];
 
-  SelectEntity(Map rawData) : super(rawData);
+  SelectEntity(Map rawData, String webHost) : super(rawData, webHost);
 
   @override
   Widget _buildStatePart(BuildContext context) {

lib/entity_class/slider_entity.dart

@@ -1,7 +1,7 @@
 part of '../main.dart';
 
 class SliderEntity extends Entity {
-  SliderEntity(Map rawData) : super(rawData);
+  SliderEntity(Map rawData, String webHost) : super(rawData, webHost);
 
   double get minValue => _getDoubleAttributeValue("min") ?? 0.0;
   double get maxValue =>_getDoubleAttributeValue("max") ?? 100.0;

lib/entity_class/switch_entity.class.dart

@@ -1,7 +1,7 @@
 part of '../main.dart';
 
 class SwitchEntity extends Entity {
-  SwitchEntity(Map rawData) : super(rawData);
+  SwitchEntity(Map rawData, String webHost) : super(rawData, webHost);
 
   @override
   Widget _buildStatePart(BuildContext context) {

lib/entity_class/text_entity.class.dart

@@ -1,7 +1,7 @@
 part of '../main.dart';
 
 class TextEntity extends Entity {
-  TextEntity(Map rawData) : super(rawData);
+  TextEntity(Map rawData, String webHost) : super(rawData, webHost);
 
   int get valueMinLength => attributes["min"] ?? -1;
   int get valueMaxLength => attributes["max"] ?? -1;

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

@@ -2,13 +2,15 @@ part of 'main.dart';
 
 class EntityCollection {
 
+  final homeAssistantWebHost;
+
   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() {
+  EntityCollection(this.homeAssistantWebHost) {
     _allEntities = {};
     //views = {};
   }
@@ -33,67 +35,74 @@ class EntityCollection {
     });
   }
 
+  void clear() {
+    _allEntities.clear();
+  }
+
   Entity _createEntityInstance(rawEntityData) {
     switch (rawEntityData["entity_id"].split(".")[0]) {
       case 'sun': {
-        return SunEntity(rawEntityData);
+        return SunEntity(rawEntityData, homeAssistantWebHost);
       }
       case "media_player": {
-        return MediaPlayerEntity(rawEntityData);
+        return MediaPlayerEntity(rawEntityData, homeAssistantWebHost);
       }
       case 'sensor': {
-        return SensorEntity(rawEntityData);
+        return SensorEntity(rawEntityData, homeAssistantWebHost);
       }
       case 'lock': {
-        return LockEntity(rawEntityData);
+        return LockEntity(rawEntityData, homeAssistantWebHost);
       }
       case "automation": {
-        return AutomationEntity(rawEntityData);
+        return AutomationEntity(rawEntityData, homeAssistantWebHost);
       }
 
       case "input_boolean":
       case "switch": {
-        return SwitchEntity(rawEntityData);
+        return SwitchEntity(rawEntityData, homeAssistantWebHost);
       }
       case "light": {
-        return LightEntity(rawEntityData);
+        return LightEntity(rawEntityData, homeAssistantWebHost);
       }
       case "group": {
-        return GroupEntity(rawEntityData);
+        return GroupEntity(rawEntityData, homeAssistantWebHost);
       }
       case "script":
       case "scene": {
-        return ButtonEntity(rawEntityData);
+        return ButtonEntity(rawEntityData, homeAssistantWebHost);
       }
       case "input_datetime": {
-        return DateTimeEntity(rawEntityData);
+        return DateTimeEntity(rawEntityData, homeAssistantWebHost);
       }
       case "input_select": {
-        return SelectEntity(rawEntityData);
+        return SelectEntity(rawEntityData, homeAssistantWebHost);
       }
       case "input_number": {
-        return SliderEntity(rawEntityData);
+        return SliderEntity(rawEntityData, homeAssistantWebHost);
       }
       case "input_text": {
-        return TextEntity(rawEntityData);
+        return TextEntity(rawEntityData, homeAssistantWebHost);
       }
       case "climate": {
-        return ClimateEntity(rawEntityData);
+        return ClimateEntity(rawEntityData, homeAssistantWebHost);
       }
       case "cover": {
-        return CoverEntity(rawEntityData);
+        return CoverEntity(rawEntityData, homeAssistantWebHost);
       }
       case "fan": {
-        return FanEntity(rawEntityData);
+        return FanEntity(rawEntityData, homeAssistantWebHost);
       }
       case "camera": {
-        return CameraEntity(rawEntityData);
+        return CameraEntity(rawEntityData, homeAssistantWebHost);
       }
       case "alarm_control_panel": {
-        return AlarmControlPanelEntity(rawEntityData);
+        return AlarmControlPanelEntity(rawEntityData, homeAssistantWebHost);
+      }
+      case "timer": {
+        return TimerEntity(rawEntityData, homeAssistantWebHost);
       }
       default: {
-        return Entity(rawEntityData);
+        return Entity(rawEntityData, homeAssistantWebHost);
       }
     }
   }
@@ -118,7 +127,7 @@ class EntityCollection {
   }
 
   void updateFromRaw(Map rawEntityData) {
-    get("${rawEntityData["entity_id"]}")?.update(rawEntityData);
+    get("${rawEntityData["entity_id"]}")?.update(rawEntityData, homeAssistantWebHost);
   }
 
   Entity get(String entityId) {

lib/entity_widgets/button_entity_container.dart

@@ -9,7 +9,12 @@ class ButtonEntityContainer extends StatelessWidget {
   @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(),
@@ -19,11 +24,11 @@ class ButtonEntityContainer extends StatelessWidget {
           FractionallySizedBox(
             widthFactor: 0.4,
             child: FittedBox(
-              fit: BoxFit.fitHeight,
+                fit: BoxFit.fitHeight,
-              child: EntityIcon(
+                child: EntityIcon(
-                padding: EdgeInsets.fromLTRB(2.0, 6.0, 2.0, 2.0),
+                  padding: EdgeInsets.fromLTRB(2.0, 6.0, 2.0, 2.0),
-                iconSize: Sizes.iconSize,
+                  size: Sizes.iconSize,
-              )
+                )
             ),
           ),
           _buildName()

lib/entity_widgets/common/badge.dart

@@ -14,11 +14,11 @@ class BadgeWidget extends StatelessWidget {
         {
           badgeIcon = entityModel.entityWrapper.entity.state == "below_horizon"
               ? Icon(
-            MaterialDesignIcons.createIconDataFromIconCode(0xf0dc),
+            MaterialDesignIcons.getIconDataFromIconCode(0xf0dc),
             size: iconSize,
           )
               : Icon(
-            MaterialDesignIcons.createIconDataFromIconCode(0xf5a8),
+            MaterialDesignIcons.getIconDataFromIconCode(0xf5a8),
             size: iconSize,
           );
           break;
@@ -27,14 +27,20 @@ class BadgeWidget extends StatelessWidget {
       case "media_player":
       case "binary_sensor":
         {
-          badgeIcon = MaterialDesignIcons.createIconWidgetFromEntityData(
+          badgeIcon = EntityIcon(
-              entityModel.entityWrapper, iconSize, Colors.black);
+            padding: EdgeInsets.all(0.0),
+            size: iconSize,
+            color: Colors.black
+          );
           break;
         }
       case "device_tracker":
         {
-          badgeIcon = MaterialDesignIcons.createIconWidgetFromEntityData(
+          badgeIcon = EntityIcon(
-              entityModel.entityWrapper, iconSize, Colors.black);
+              padding: EdgeInsets.all(0.0),
+              size: iconSize,
+              color: Colors.black
+          );
           onBadgeTextValue = entityModel.entityWrapper.entity.state;
           break;
         }

lib/entity_widgets/common/camera_stream_view.dart

@@ -16,6 +16,7 @@ class _CameraStreamViewState extends State<CameraStreamView> {
   }
 
   CameraEntity _entity;
+  String _webHost;
 
   http.Client client;
   http.StreamedResponse response;
@@ -28,7 +29,7 @@ class _CameraStreamViewState extends State<CameraStreamView> {
   void _connect() async {
     started = true;
     timeToStop = false;
-    String streamUrl = '$homeAssistantWebHost/api/camera_proxy_stream/${_entity.entityId}?token=${_entity.attributes['access_token']}';
+    String streamUrl = '$_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");
@@ -130,6 +131,7 @@ class _CameraStreamViewState extends State<CameraStreamView> {
           .of(context)
           .entityWrapper
           .entity;
+      _webHost = HomeAssistantModel.of(context).homeAssistant.connection.httpWebHost;
       _connect();
     }
 

lib/entity_widgets/common/entity_attributes_list.dart

@@ -7,20 +7,9 @@ class EntityAttributesList extends StatelessWidget {
   Widget build(BuildContext context) {
     final entityModel = EntityModel.of(context);
     List<Widget> attrs = [];
-    if ((entityModel.entityWrapper.entity.attributesToShow == null) ||
+    entityModel.entityWrapper.entity.attributes.forEach((name, value) {
-        (entityModel.entityWrapper.entity.attributesToShow.contains("all"))) {
+      attrs.add(_buildSingleAttribute("$name", "${value ?? '-'}"));
-      entityModel.entityWrapper.entity.attributes.forEach((name, value) {
+    });
-        attrs.add(_buildSingleAttribute("$name", "$value"));
-      });
-    } else {
-      entityModel.entityWrapper.entity.attributesToShow.forEach((String attr) {
-        String attrValue = entityModel.entityWrapper.entity.getAttribute("$attr");
-        if (attrValue != null) {
-          attrs.add(
-              _buildSingleAttribute("$attr", "$attrValue"));
-        }
-      });
-    }
     return Padding(
       padding: EdgeInsets.only(bottom: Sizes.rowPadding),
       child: Column(
@@ -49,7 +38,7 @@ class EntityAttributesList extends StatelessWidget {
             padding: EdgeInsets.fromLTRB(
                 0.0, Sizes.rowPadding, Sizes.rightWidgetPadding, 0.0),
             child: Text(
-              "$value",
+              "${value}",
               textAlign: TextAlign.right,
             ),
           ),

lib/entity_widgets/controls/climate_controls.dart

@@ -440,13 +440,13 @@ class TemperatureControlWidget extends StatelessWidget {
         Column(
           children: <Widget>[
             IconButton(
-              icon: Icon(MaterialDesignIcons.createIconDataFromIconName(
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
                   'mdi:chevron-up')),
               iconSize: 30.0,
               onPressed: () => onInc(),
             ),
             IconButton(
-              icon: Icon(MaterialDesignIcons.createIconDataFromIconName(
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
                   'mdi:chevron-down')),
               iconSize: 30.0,
               onPressed: () => onDec(),

lib/entity_widgets/controls/cover_controls.dart

@@ -157,7 +157,7 @@ class CoverTiltControlsWidget extends StatelessWidget {
     if (entity.supportOpenTilt) {
       buttons.add(IconButton(
           icon: Icon(
-            MaterialDesignIcons.createIconDataFromIconName(
+            MaterialDesignIcons.getIconDataFromIconName(
                 "mdi:arrow-top-right"),
             size: Sizes.iconSize,
           ),
@@ -170,7 +170,7 @@ class CoverTiltControlsWidget extends StatelessWidget {
     if (entity.supportStopTilt) {
       buttons.add(IconButton(
           icon: Icon(
-            MaterialDesignIcons.createIconDataFromIconName("mdi:stop"),
+            MaterialDesignIcons.getIconDataFromIconName("mdi:stop"),
             size: Sizes.iconSize,
           ),
           onPressed: () => _stop(entity)));
@@ -182,7 +182,7 @@ class CoverTiltControlsWidget extends StatelessWidget {
     if (entity.supportCloseTilt) {
       buttons.add(IconButton(
           icon: Icon(
-            MaterialDesignIcons.createIconDataFromIconName(
+            MaterialDesignIcons.getIconDataFromIconName(
                 "mdi:arrow-bottom-left"),
             size: Sizes.iconSize,
           ),

lib/entity_widgets/controls/light_controls.dart

@@ -10,6 +10,7 @@ class LightControlsWidget extends StatefulWidget {
 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;
@@ -17,6 +18,7 @@ class _LightControlsWidgetState extends State<LightControlsWidget> {
 
   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;
@@ -38,6 +40,17 @@ class _LightControlsWidgetState extends State<LightControlsWidget> {
     });
   }
 
+  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();
@@ -84,6 +97,7 @@ class _LightControlsWidgetState extends State<LightControlsWidget> {
       crossAxisAlignment: CrossAxisAlignment.center,
       children: <Widget>[
         _buildBrightnessControl(entity),
+        _buildWhiteValueControl(entity),
         _buildColorTempControl(entity),
         _buildColorControl(entity),
         _buildEffectControl(entity)
@@ -112,6 +126,27 @@ class _LightControlsWidgetState extends State<LightControlsWidget> {
     }
   }
 
+  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(
@@ -136,30 +171,45 @@ class _LightControlsWidgetState extends State<LightControlsWidget> {
 
   Widget _buildColorControl(LightEntity entity) {
     if (entity.supportColor) {
-      return LightColorPicker(
+      HSVColor savedColor = HomeAssistantModel.of(context)?.homeAssistant?.savedColor;
-        color: _tmpColor,
+      return Column(
-        onColorSelected: (color) => _setColor(entity, color),
+        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);
     }
   }
 
-  void _showColorPicker(LightEntity entity) {
-    showDialog(
-      context: context,
-      builder: (BuildContext context) {
-        return AlertDialog(
-          titlePadding: EdgeInsets.all(0.0),
-          contentPadding: EdgeInsets.all(0.0),
-          content: LightColorPicker(
-            color: _tmpColor,
-          ),
-        );
-      },
-    );
-  }
-
   Widget _buildEffectControl(LightEntity entity) {
     if ((entity.supportEffect) && (entity.effectList != null)) {
       return ModeSelectorWidget(

lib/entity_widgets/controls/media_player_widgets.dart

@@ -73,7 +73,7 @@ class MediaPlayerWidget extends StatelessWidget {
 
   Widget _buildImage(MediaPlayerEntity entity) {
     String state = entity.state;
-    if (homeAssistantWebHost != null && entity.entityPicture != null && state != EntityState.off && state != EntityState.unavailable && state != EntityState.idle) {
+    if (entity.entityPicture != null && state != EntityState.off && state != EntityState.unavailable && state != EntityState.idle) {
       return Container(
         color: Colors.black,
         child: Row(
@@ -81,7 +81,7 @@ class MediaPlayerWidget extends StatelessWidget {
           children: <Widget>[
             Flexible(
               child: Image(
-                image: CachedNetworkImageProvider("$homeAssistantWebHost${entity.entityPicture}"),
+                image: CachedNetworkImageProvider("${entity.entityPicture}"),
                 height: 240.0,
                 //width: 320.0,
                 fit: BoxFit.contain,
@@ -95,7 +95,7 @@ class MediaPlayerWidget extends StatelessWidget {
         mainAxisAlignment: MainAxisAlignment.center,
         children: <Widget>[
           Icon(
-            MaterialDesignIcons.createIconDataFromIconName("mdi:movie"),
+            MaterialDesignIcons.getIconDataFromIconName("mdi:movie"),
             size: 150.0,
             color: EntityColor.stateColor("$state"),
           )
@@ -227,7 +227,7 @@ class MediaPlayerPlaybackControls extends StatelessWidget {
     if (showMenu) {
       result.add(
           IconButton(
-              icon: Icon(MaterialDesignIcons.createIconDataFromIconName(
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
                   "mdi:dots-vertical")),
               onPressed: () => eventBus.fire(new ShowEntityPageEvent(entity))
           )
@@ -307,11 +307,11 @@ class _MediaPlayerControlsState extends State<MediaPlayerControls> {
     if (entity.state != EntityState.off && entity.state != EntityState.unknown && entity.state != EntityState.unavailable) {
       Widget muteWidget;
       Widget volumeStepWidget;
-      if (entity.supportVolumeMute) {
+      if (entity.supportVolumeMute  || entity.attributes["is_volume_muted"] != null) {
         bool isMuted = entity.attributes["is_volume_muted"] ?? false;
         muteWidget =
             IconButton(
-                icon: Icon(isMuted ? Icons.volume_off : Icons.volume_up),
+                icon: Icon(isMuted ? Icons.volume_up : Icons.volume_off),
                 onPressed: () => _setVolumeMute(!isMuted, entity.entityId)
             );
       } else {
@@ -322,11 +322,11 @@ class _MediaPlayerControlsState extends State<MediaPlayerControls> {
           mainAxisSize: MainAxisSize.min,
           children: <Widget>[
             IconButton(
-                icon: Icon(MaterialDesignIcons.createIconDataFromIconName("mdi:plus")),
+                icon: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:plus")),
                 onPressed: () => _setVolumeUp(entity.entityId)
             ),
             IconButton(
-                icon: Icon(MaterialDesignIcons.createIconDataFromIconName("mdi:minus")),
+                icon: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:minus")),
                 onPressed: () => _setVolumeDown(entity.entityId)
             )
           ],

lib/entity_widgets/default_entity_container.dart

@@ -11,6 +11,25 @@ class DefaultEntityContainer extends StatelessWidget {
   @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) {
@@ -30,7 +49,9 @@ class DefaultEntityContainer extends StatelessWidget {
           Flexible(
             fit: FlexFit.tight,
             flex: 3,
-            child: EntityName(),
+            child: EntityName(
+              padding: EdgeInsets.fromLTRB(10.0, 2.0, 10.0, 2.0),
+            ),
           ),
           state
         ],

lib/entity_widgets/entity_colors.class.dart

@@ -2,6 +2,8 @@ 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)
@@ -10,15 +12,16 @@ class EntityColor {
   static const _stateColors = {
     EntityState.on: Colors.amber,
     "auto": Colors.amber,
-    EntityState.idle: Colors.amber,
+    EntityState.active: Colors.amber,
     EntityState.playing: Colors.amber,
     "above_horizon": Colors.amber,
     EntityState.home:  Colors.amber,
     EntityState.open:  Colors.amber,
-    EntityState.off: Color.fromRGBO(68, 115, 158, 1.0),
+    EntityState.off: defaultStateColor,
-    EntityState.closed: Color.fromRGBO(68, 115, 158, 1.0),
+    EntityState.closed: defaultStateColor,
-    "below_horizon": Color.fromRGBO(68, 115, 158, 1.0),
+    "below_horizon": defaultStateColor,
-    "default": Color.fromRGBO(68, 115, 158, 1.0),
+    "default": defaultStateColor,
+    EntityState.idle: defaultStateColor,
     "heat": Colors.redAccent,
     "cool": Colors.lightBlue,
     EntityState.unavailable: Colors.black26,

lib/entity_widgets/entity_icon.dart

@@ -3,20 +3,71 @@ part of '../main.dart';
 class EntityIcon extends StatelessWidget {
 
   final EdgeInsetsGeometry padding;
-  final double iconSize;
+  final double size;
+  final Color color;
 
-  const EntityIcon({Key key, this.iconSize: Sizes.iconSize, this.padding: const EdgeInsets.fromLTRB(
+  const EntityIcon({Key key, this.color, this.size: Sizes.iconSize, this.padding: const EdgeInsets.all(0.0)}) : super(key: key);
-      Sizes.leftWidgetPadding, 0.0, 12.0, 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: MaterialDesignIcons.createIconWidgetFromEntityData(
+      child: buildIcon(
           entityWrapper,
-          iconSize,
+          color ?? EntityColor.stateColor(entityWrapper.entity.state)
-          EntityColor.stateColor(entityWrapper.entity.state)
       ),
     );
   }

lib/entity_widgets/entity_name.dart

@@ -14,6 +14,10 @@ class EntityName extends StatelessWidget {
   @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(
@@ -21,7 +25,7 @@ class EntityName extends StatelessWidget {
         overflow: textOverflow,
         softWrap: wordsWrap,
         maxLines: maxLines,
-        style: TextStyle(fontSize: fontSize),
+        style: textStyle,
         textAlign: textAlign,
       ),
     );

lib/entity_widgets/glance_entity_container.dart

@@ -22,6 +22,12 @@ class GlanceEntityContainer extends StatelessWidget {
   @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) {
@@ -35,7 +41,7 @@ class GlanceEntityContainer extends StatelessWidget {
     result.add(
       EntityIcon(
         padding: EdgeInsets.all(0.0),
-        iconSize: iconSize,
+        size: iconSize,
       )
     );
     if (!nameInTheBottom) {

lib/entity_widgets/history_chart/entity_history.dart

@@ -32,6 +32,7 @@ class _EntityHistoryWidgetState extends State<EntityHistoryWidget> {
   List _history;
   bool _needToUpdateHistory;
   DateTime _historyLastUpdated;
+  bool _disposed = false;
 
   @override
   void initState() {
@@ -46,17 +47,21 @@ class _EntityHistoryWidgetState extends State<EntityHistoryWidget> {
     }
     if (_historyLastUpdated == null || now.difference(_historyLastUpdated).inSeconds > 30) {
       _historyLastUpdated = now;
-      ha.getHistory(entityId).then((history){
+      ha.connection.getHistory(entityId).then((history){
-        setState(() {
+        if (!_disposed) {
-          _history = history.isNotEmpty ? history[0] : [];
+          setState(() {
-          _needToUpdateHistory = false;
+            _history = history.isNotEmpty ? history[0] : [];
-        });
+            _needToUpdateHistory = false;
+          });
+        }
       }).catchError((e) {
         Logger.e("Error loading $entityId history: $e");
-        setState(() {
+        if (!_disposed) {
-          _history = [];
+          setState(() {
-          _needToUpdateHistory = false;
+            _history = [];
-        });
+            _needToUpdateHistory = false;
+          });
+        }
       });
     }
   }
@@ -131,4 +136,10 @@ class _EntityHistoryWidgetState extends State<EntityHistoryWidget> {
 
   }
 
+  @override
+  void dispose() {
+    _disposed = true;
+    super.dispose();
+  }
+
 }

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/state/cover_state.dart

@@ -24,7 +24,7 @@ class CoverStateWidget extends StatelessWidget {
     if (entity.supportOpen) {
       buttons.add(IconButton(
           icon: Icon(
-            MaterialDesignIcons.createIconDataFromIconName("mdi:arrow-up"),
+            MaterialDesignIcons.getIconDataFromIconName("mdi:arrow-up"),
             size: Sizes.iconSize,
           ),
           onPressed: entity.canBeOpened ? () => _open(entity) : null));
@@ -36,7 +36,7 @@ class CoverStateWidget extends StatelessWidget {
     if (entity.supportStop) {
       buttons.add(IconButton(
           icon: Icon(
-            MaterialDesignIcons.createIconDataFromIconName("mdi:stop"),
+            MaterialDesignIcons.getIconDataFromIconName("mdi:stop"),
             size: Sizes.iconSize,
           ),
           onPressed: () => _stop(entity)));
@@ -48,7 +48,7 @@ class CoverStateWidget extends StatelessWidget {
     if (entity.supportClose) {
       buttons.add(IconButton(
           icon: Icon(
-            MaterialDesignIcons.createIconDataFromIconName("mdi:arrow-down"),
+            MaterialDesignIcons.getIconDataFromIconName("mdi:arrow-down"),
             size: Sizes.iconSize,
           ),
           onPressed: entity.canBeClosed ? () => _close(entity) : null));

lib/entity_widgets/state/lock_state.dart

@@ -2,6 +2,10 @@ 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));
   }
@@ -14,19 +18,49 @@ class LockStateWidget extends StatelessWidget {
   Widget build(BuildContext context) {
     final entityModel = EntityModel.of(context);
     final LockEntity entity = entityModel.entityWrapper.entity;
-    return SizedBox(
+    if (assumedState) {
-      height: 34.0,
+      return Row(
-      child: FlatButton(
+        mainAxisSize: MainAxisSize.min,
-        onPressed: (() {
+        children: <Widget>[
-          entity.isLocked ? _unlock(entity) : _lock(entity);
+        SizedBox(
-        }),
+        height: 34.0,
-        child: Text(
+        child: FlatButton(
-          entity.isLocked ? "UNLOCK" : "LOCK",
+          onPressed: () => _unlock(entity),
-          textAlign: TextAlign.right,
+          child: Text("UNLOCK",
-          style:
+              textAlign: TextAlign.right,
-          new TextStyle(fontSize: Sizes.stateFontSize, color: Colors.blue),
+              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/simple_state.dart

@@ -6,14 +6,26 @@ class SimpleEntityState extends StatelessWidget {
   final TextAlign textAlign;
   final EdgeInsetsGeometry padding;
   final int maxLines;
+  final String customValue;
 
-  const SimpleEntityState({Key key, this.maxLines: 10, this.expanded: true, this.textAlign: TextAlign.right, this.padding: const EdgeInsets.fromLTRB(0.0, 0.0, Sizes.rightWidgetPadding, 0.0)}) : super(key: key);
+  const SimpleEntityState({Key key, this.maxLines: 10, this.expanded: true, this.textAlign: TextAlign.right, this.padding: const EdgeInsets.fromLTRB(0.0, 0.0, Sizes.rightWidgetPadding, 0.0), this.customValue}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     final entityModel = EntityModel.of(context);
-    String state = entityModel.entityWrapper.entity.displayState ?? "";
+    String state;
-    state = state.replaceAll("\n", "").replaceAll("\t", " ").trim();
+    if (customValue == null) {
+      state = entityModel.entityWrapper.entity.displayState ?? "";
+      state = state.replaceAll("\n", "").replaceAll("\t", " ").trim();
+    } else {
+      state = customValue;
+    }
+    TextStyle textStyle =  TextStyle(
+      fontSize: Sizes.stateFontSize,
+    );
+    if (entityModel.entityWrapper.entity.statelessType == StatelessEntityType.CALL_SERVICE) {
+      textStyle = textStyle.apply(color: Colors.blue);
+    }
     while (state.contains("  ")){
       state = state.replaceAll("  ", " ");
     }
@@ -25,9 +37,7 @@ class SimpleEntityState extends StatelessWidget {
         maxLines: maxLines,
         overflow: TextOverflow.ellipsis,
         softWrap: true,
-        style: new TextStyle(
+        style: textStyle
-          fontSize: Sizes.stateFontSize,
-        )
       )
     );
     if (expanded) {

lib/entity_widgets/state/switch_state.dart

@@ -71,13 +71,13 @@ class _SwitchStateWidgetState extends State<SwitchStateWidget> {
           children: <Widget>[
             IconButton(
               onPressed: () => _setNewState(false, entity),
-              icon: Icon(MaterialDesignIcons.createIconDataFromIconName("mdi:flash-off")),
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:flash-off")),
               color: newState == EntityState.on ? Colors.black : Colors.blue,
               iconSize: Sizes.iconSize,
             ),
             IconButton(
                 onPressed: () => _setNewState(true, entity),
-                icon: Icon(MaterialDesignIcons.createIconDataFromIconName("mdi:flash")),
+                icon: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:flash")),
                 color: newState == EntityState.on ? Colors.blue : Colors.black,
                 iconSize: Sizes.iconSize
             )

lib/entity_widgets/state/timer_state.dart

@@ -0,0 +1,65 @@
+part of '../../main.dart';
+
+class TimerState extends StatefulWidget  {
+  //final bool expanded;
+  //final TextAlign textAlign;
+  //final EdgeInsetsGeometry padding;
+  //final int maxLines;
+
+  const TimerState({Key key}) : super(key: key);
+
+  @override
+  _TimerStateState createState() => _TimerStateState();
+
+}
+
+class _TimerStateState extends State<TimerState> {
+
+  Timer timer;
+  Duration remaining = Duration(seconds: 0);
+
+  void checkState(TimerEntity entity) {
+    if (entity.state == EntityState.active) {
+      //Logger.d("Timer is active");
+      if (timer == null || !timer.isActive) {
+        timer = Timer.periodic(Duration(seconds: 1), (timer) {
+          setState(() {
+            try {
+              int passed = DateTime
+                  .now()
+                  .difference(entity._lastUpdated)
+                  .inSeconds;
+              remaining = Duration(seconds: entity.duration.inSeconds - passed);
+            } catch (e) {
+              Logger.e("Error calculating ${entity.entityId} remaining time: ${e.toString()}");
+              remaining = Duration(seconds: 0);
+            }
+          });
+        });
+      }
+    } else {
+      timer?.cancel();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    EntityModel model = EntityModel.of(context);
+    TimerEntity entity = model.entityWrapper.entity;
+    checkState(entity);
+    if (entity.state != EntityState.active) {
+      return SimpleEntityState();
+    } else {
+      return SimpleEntityState(
+        customValue: "${remaining.toString().split('.')[0]}",
+      );
+    }
+  }
+
+  @override
+  void dispose() {
+    timer?.cancel();
+    super.dispose();
+  }
+
+}

lib/home_assistant.class.dart

@@ -1,43 +1,27 @@
 part of 'main.dart';
 
 class HomeAssistant {
-  String _webSocketAPIEndpoint;
+
-  String _password;
+  final Connection connection = Connection();
+
   bool _useLovelace = false;
+  //bool isSettingsLoaded = false;
+
+
 
-  IOWebSocketChannel _hassioChannel;
-  SendMessageQueue _messageQueue;
 
-  int _currentMessageId = 0;
-  int _statesMessageId = 0;
-  int _servicesMessageId = 0;
-  int _subscriptionMessageId = 0;
-  int _configMessageId = 0;
-  int _userInfoMessageId = 0;
-  int _lovelaceMessageId = 0;
   EntityCollection entities;
   HomeAssistantUI ui;
   Map _instanceConfig = {};
   String _userName;
+  String hostname;
+  HSVColor savedColor;
 
   Map _rawLovelaceData;
 
-  Completer _fetchCompleter;
+  List<Panel> panels = [];
-  Completer _statesCompleter;
-  Completer _servicesCompleter;
-  Completer _lovelaceCompleter;
-  Completer _configCompleter;
-  Completer _connectionCompleter;
-  Completer _userInfoCompleter;
-  Timer _connectionTimer;
-  Timer _fetchTimer;
-  bool autoReconnect = false;
 
-  StreamSubscription _socketSubscription;
-
-  int messageExpirationTime = 30; //seconds
   Duration fetchTimeout = Duration(seconds: 30);
-  Duration connectTimeout = Duration(seconds: 15);
 
   String get locationName {
     if (_useLovelace) {
@@ -48,117 +32,39 @@ class HomeAssistant {
   }
   String get userName => _userName ?? locationName;
   String get userAvatarText => userName.length > 0 ? userName[0] : "";
+  bool get isNoEntities => entities == null || entities.isEmpty;
+  bool get isNoViews => ui == null || ui.isEmpty;
   //int get viewsCount => entities.views.length ?? 0;
 
-  HomeAssistant() {
+  HomeAssistant();
-    entities = EntityCollection();
+
-    _messageQueue = SendMessageQueue(messageExpirationTime);
+  Completer _connectCompleter;
+
+  Future init() {
+    if (_connectCompleter != null && !_connectCompleter.isCompleted) {
+      Logger.w("Previous connection pending...");
+      return _connectCompleter.future;
+    }
+    Logger.d("init...");
+    _connectCompleter = Completer();
+    connection.init(_handleEntityStateChange).then((_) {
+      SharedPreferences.getInstance().then((prefs) {
+        if (entities == null) entities = EntityCollection(connection.httpWebHost);
+        _useLovelace = prefs.getBool('use-lovelace') ?? true;
+        _connectCompleter.complete();
+      }).catchError((e) => _connectCompleter.completeError(e));
+    }).catchError((e) => _connectCompleter.completeError(e));
+    return _connectCompleter.future;
   }
 
-  void updateSettings(String url, String password, bool useLovelace) {
+  Completer _fetchCompleter;
-    _webSocketAPIEndpoint = url;
-    _password = password;
-    _useLovelace = useLovelace;
-    Logger.d( "Use lovelace is $_useLovelace");
-  }
 
   Future fetch() {
-    if ((_fetchCompleter != null) && (!_fetchCompleter.isCompleted)) {
+    if (_fetchCompleter != null && !_fetchCompleter.isCompleted) {
-      Logger.w("Previous fetch is not complited");
+      Logger.w("Previous data fetch is not completed yet");
-    } else {
+      return _fetchCompleter.future;
-      _fetchCompleter = new Completer();
-      _fetchTimer = Timer(fetchTimeout, () {
-        Logger.e( "Data fetching timeout");
-        disconnect().then((_) {
-          _completeFetching({
-            "errorCode": 9,
-            "errorMessage": "Couldn't get data from server"
-          });
-        });
-      });
-      _connection().then((r) {
-        _getData();
-      }).catchError((e) {
-        _completeFetching(e);
-      });
     }
-    return _fetchCompleter.future;
+    _fetchCompleter = Completer();
-  }
-
-  disconnect() async {
-    if ((_hassioChannel != null) && (_hassioChannel.closeCode == null) && (_hassioChannel.sink != null)) {
-      await _hassioChannel.sink.close().timeout(Duration(seconds: 3),
-        onTimeout: () => Logger.d( "Socket sink closed")
-      );
-      await _socketSubscription.cancel();
-      _hassioChannel = null;
-    }
-
-  }
-
-  Future _connection() {
-    if ((_connectionCompleter != null) && (!_connectionCompleter.isCompleted)) {
-      Logger.d("Previous connection is not complited");
-    } else {
-      if ((_hassioChannel == null) || (_hassioChannel.closeCode != null)) {
-        _connectionCompleter = new Completer();
-        autoReconnect = false;
-        disconnect().then((_){
-          Logger.d( "Socket connecting...");
-          _connectionTimer = Timer(connectTimeout, () {
-            Logger.e( "Socket connection timeout");
-            _handleSocketError(null);
-          });
-          if (_socketSubscription != null) {
-            _socketSubscription.cancel();
-          }
-          _hassioChannel = IOWebSocketChannel.connect(
-              _webSocketAPIEndpoint, pingInterval: Duration(seconds: 30));
-          _socketSubscription = _hassioChannel.stream.listen(
-                  (message) => _handleMessage(message),
-              cancelOnError: true,
-              onDone: () => _handleSocketClose(),
-              onError: (e) => _handleSocketError(e)
-          );
-        });
-      } else {
-        _completeConnecting(null);
-      }
-    }
-    return _connectionCompleter.future;
-  }
-
-  void _handleSocketClose() {
-    Logger.d("Socket disconnected. Automatic reconnect is $autoReconnect");
-    if (autoReconnect) {
-      _reconnect();
-    }
-  }
-
-  void _handleSocketError(e) {
-    Logger.e("Socket stream Error: $e");
-    Logger.d("Automatic reconnect is $autoReconnect");
-    if (autoReconnect) {
-      _reconnect();
-    } else {
-      disconnect().then((_) {
-        _completeConnecting({
-          "errorCode": 1,
-          "errorMessage": "Couldn't connect to Home Assistant. Check network connection or connection settings."
-        });
-      });
-    }
-  }
-
-  void _reconnect() {
-    disconnect().then((_) {
-      _connection().catchError((e){
-        _completeConnecting(e);
-      });
-    });
-  }
-
-  _getData() async {
     List<Future> futures = [];
     futures.add(_getStates());
     if (_useLovelace) {
@@ -167,199 +73,77 @@ class HomeAssistant {
     futures.add(_getConfig());
     futures.add(_getServices());
     futures.add(_getUserInfo());
-    try {
+    futures.add(_getPanels());
-      await Future.wait(futures);
+    Future.wait(futures).then((_) {
       _createUI();
-      _completeFetching(null);
+      _fetchCompleter.complete();
-    } catch (error) {
+    }).catchError((e) {
-      _completeFetching(error);
+      _fetchCompleter.completeError(e);
-    }
-  }
-
-  void _completeFetching(error) {
-    _fetchTimer.cancel();
-    _completeConnecting(error);
-    if (!_fetchCompleter.isCompleted) {
-      if (error != null) {
-        _fetchCompleter.completeError(error);
-      } else {
-        autoReconnect = true;
-        Logger.d( "Fetch complete successful");
-        _fetchCompleter.complete();
-      }
-    }
-  }
-
-  void _completeConnecting(error) {
-    _connectionTimer.cancel();
-    if (!_connectionCompleter.isCompleted) {
-      if (error != null) {
-        _connectionCompleter.completeError(error);
-      } else {
-        _connectionCompleter.complete();
-      }
-    } else if (error != null) {
-      if (error is Error) {
-        eventBus.fire(ShowErrorEvent(error.toString(), 12));
-      } else {
-        eventBus.fire(ShowErrorEvent(error["errorMessage"], error["errorCode"]));
-      }
-
-    }
-  }
-
-  _handleMessage(String message) {
-    var data = json.decode(message);
-    if (data["type"] == "auth_required") {
-      _sendAuthMessageRaw('{"type": "auth","access_token": "$_password"}');
-    } else if (data["type"] == "auth_ok") {
-      _completeConnecting(null);
-      _sendSubscribe();
-    } else if (data["type"] == "auth_invalid") {
-      _completeConnecting({"errorCode": 6, "errorMessage": "${data["message"]}"});
-    } else if (data["type"] == "result") {
-      Logger.d("[Received] <== id:${data["id"]}, ${data['success'] ? 'success' : 'error'}");
-      if (data["id"] == _configMessageId) {
-        _parseConfig(data);
-      } else if (data["id"] == _statesMessageId) {
-        _parseEntities(data);
-      } else if (data["id"] == _lovelaceMessageId) {
-        _handleLovelace(data);
-      } else if (data["id"] == _servicesMessageId) {
-        _parseServices(data);
-      } else if (data["id"] == _userInfoMessageId) {
-        _parseUserInfo(data);
-      }
-    } 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"]}");
-        _handleEntityStateChange(data["event"]["data"]);
-      } else if (data["event"] != null) {
-        Logger.w("Unhandled event type: ${data["event"]["event_type"]}");
-      } else {
-        Logger.e("Event is null: $message");
-      }
-    } else {
-      Logger.w("Unknown message type: $message");
-    }
-  }
-
-  void _sendSubscribe() {
-    _incrementMessageId();
-    _subscriptionMessageId = _currentMessageId;
-    _sendMessageRaw('{"id": $_subscriptionMessageId, "type": "subscribe_events", "event_type": "state_changed"}', false);
-  }
-
-  Future _getConfig() {
-    _configCompleter = new Completer();
-    _incrementMessageId();
-    _configMessageId = _currentMessageId;
-    _sendMessageRaw('{"id": $_configMessageId, "type": "get_config"}', false);
-
-    return _configCompleter.future;
-  }
-
-  Future _getStates() {
-    _statesCompleter = new Completer();
-    _incrementMessageId();
-    _statesMessageId = _currentMessageId;
-    _sendMessageRaw('{"id": $_statesMessageId, "type": "get_states"}', false);
-
-    return _statesCompleter.future;
-  }
-
-  Future _getLovelace() {
-    _lovelaceCompleter = new Completer();
-    _incrementMessageId();
-    _lovelaceMessageId = _currentMessageId;
-    _sendMessageRaw('{"id": $_lovelaceMessageId, "type": "lovelace/config"}', false);
-
-    return _lovelaceCompleter.future;
-  }
-
-  Future _getUserInfo() {
-    _userInfoCompleter = new Completer();
-    _incrementMessageId();
-    _userInfoMessageId = _currentMessageId;
-    _sendMessageRaw('{"id": $_userInfoMessageId, "type": "auth/current_user"}', false);
-
-    return _userInfoCompleter.future;
-  }
-
-  Future _getServices() {
-    _servicesCompleter = new Completer();
-    _incrementMessageId();
-    _servicesMessageId = _currentMessageId;
-    _sendMessageRaw('{"id": $_servicesMessageId, "type": "get_services"}', false);
-
-    return _servicesCompleter.future;
-  }
-
-  _incrementMessageId() {
-    _currentMessageId += 1;
-  }
-
-  void _sendAuthMessageRaw(String message) {
-    Logger.d( "[Sending] ==> auth request");
-    _hassioChannel.sink.add(message);
-  }
-
-  _sendMessageRaw(String message, bool queued) {
-    var sendCompleter = Completer();
-    if (queued) _messageQueue.add(message);
-    _connection().then((r) {
-      _messageQueue.getActualMessages().forEach((message){
-        Logger.d( "[Sending queued] ==> $message");
-        _hassioChannel.sink.add(message);
-      });
-      if (!queued) {
-        Logger.d( "[Sending] ==> $message");
-        _hassioChannel.sink.add(message);
-      }
-      sendCompleter.complete();
-    }).catchError((e){
-      sendCompleter.completeError(e);
     });
-    return sendCompleter.future;
+    return _fetchCompleter.future;
   }
 
-  Future callService(String domain, String service, String entityId, Map<String, dynamic> additionalParams) {
+  Future logout() async {
-    _incrementMessageId();
+    Logger.d("Logging out...");
-    String message = "";
+    await connection.logout().then((_) {
-    if (entityId != null) {
+      ui?.clear();
-      message = '{"id": $_currentMessageId, "type": "call_service", "domain": "$domain", "service": "$service", "service_data": {"entity_id": "$entityId"';
+      entities?.clear();
-      if (additionalParams != null) {
+    });
-        additionalParams.forEach((name, value) {
+  }
-          if ((value is double) || (value is int) || (value is List)) {
-            message += ', "$name" : $value';
-          } else {
-            message += ', "$name" : "$value"';
-          }
-        });
-      }
-      message += '}}';
-    } else {
-      message = '{"id": $_currentMessageId, "type": "call_service", "domain": "$domain", "service": "$service"';
-      if (additionalParams != null && additionalParams.isNotEmpty) {
-        message += ', "service_data": {';
-        bool first = true;
-        additionalParams.forEach((name, value) {
-          if (!first) {
-            message += ', ';
-          }
-          if ((value is double) || (value is int) || (value is List)) {
-            message += '"$name" : $value';
-          } else {
-            message += '"$name" : "$value"';
-          }
-          first = false;
-        });
 
-        message += '}';
+  Future _getConfig() async {
-      }
+    await connection.sendSocketMessage(type: "get_config").then((data) {
-      message += '}';
+      _instanceConfig = Map.from(data);
-    }
+    }).catchError((e) {
-    return _sendMessageRaw(message, true);
+      throw {"errorCode": 1, "errorMessage": "Error getting config: $e"};
+    });
+  }
+
+  Future _getStates() async {
+    await connection.sendSocketMessage(type: "get_states").then(
+            (data) => entities.parse(data)
+    ).catchError((e) {
+      throw {"errorCode": 1, "errorMessage": "Error getting states: $e"};
+    });
+  }
+
+  Future _getLovelace() async {
+    await connection.sendSocketMessage(type: "lovelace/config").then((data) => _rawLovelaceData = data).catchError((e) {
+      throw {"errorCode": 1, "errorMessage": "Error getting lovelace config: $e"};
+    });
+  }
+
+  Future _getUserInfo() async {
+    _userName = null;
+    await connection.sendSocketMessage(type: "auth/current_user").then((data) => _userName = data["name"]).catchError((e) {
+      Logger.w("Can't get user info: ${e}");
+    });
+  }
+
+  Future _getServices() async {
+    await connection.sendSocketMessage(type: "get_services").then((data) => Logger.d("Services received")).catchError((e) {
+      Logger.w("Can't get services: ${e}");
+    });
+  }
+
+  Future _getPanels() async {
+    panels.clear();
+    await connection.sendSocketMessage(type: "get_panels").then((data) {
+      data.forEach((k,v) {
+        String title = v['title'] == null ? "${k[0].toUpperCase()}${k.substring(1)}" : "${v['title'][0].toUpperCase()}${v['title'].substring(1)}";
+        panels.add(Panel(
+            id: k,
+            type: v["component_name"],
+            title: title,
+            urlPath: v["url_path"],
+            config: v["config"],
+            icon: v["icon"]
+        )
+        );
+      });
+    }).catchError((e) {
+      throw {"errorCode": 1, "errorMessage": "Error getting panels list: $e"};
+    });
   }
 
   void _handleEntityStateChange(Map eventData) {
@@ -371,39 +155,6 @@ class HomeAssistant {
     ));
   }
 
-  void _parseConfig(Map data) {
-    if (data["success"] == true) {
-      _instanceConfig = Map.from(data["result"]);
-      _configCompleter.complete();
-    } else {
-      _configCompleter.completeError({"errorCode": 2, "errorMessage": data["error"]["message"]});
-    }
-  }
-
-  void _parseUserInfo(Map data) {
-    if (data["success"] == true) {
-      _userName = data["result"]["name"];
-    } else {
-      _userName = null;
-      Logger.w("There was an error getting current user: $data");
-    }
-    _userInfoCompleter.complete();
-  }
-
-  void _parseServices(response) {
-    _servicesCompleter.complete();
-  }
-
-  void _handleLovelace(response) {
-    if (response["success"] == true) {
-      _rawLovelaceData = response["result"];
-    } else {
-      Logger.e("There was an error getting Lovelace config: $response");
-      _rawLovelaceData = null;
-    }
-    _lovelaceCompleter.complete();
-  }
-
   void _parseLovelace() {
       Logger.d("--Title: ${_rawLovelaceData["title"]}");
       ui.title = _rawLovelaceData["title"];
@@ -467,9 +218,51 @@ class HomeAssistant {
           if (rawEntity is String) {
             if (entities.isExist(rawEntity)) {
               card.entities.add(EntityWrapper(entity: entities.get(rawEntity)));
+            } else {
+              card.entities.add(EntityWrapper(entity: Entity.missed(rawEntity)));
             }
           } else {
-            if (entities.isExist(rawEntity["entity"])) {
+            if (rawEntity["type"] == "divider") {
+              card.entities.add(EntityWrapper(entity: Entity.divider()));
+            } else if (rawEntity["type"] == "section") {
+              card.entities.add(EntityWrapper(entity: Entity.section(rawEntity["label"] ?? "")));
+            } else if (rawEntity["type"] == "call-service") {
+              Map uiActionData = {
+                "tap_action": {
+                  "action": EntityUIAction.callService,
+                  "service": rawEntity["service"],
+                  "service_data": rawEntity["service_data"]
+                },
+                "hold_action": EntityUIAction.none
+              };
+              card.entities.add(EntityWrapper(
+                  entity: Entity.callService(
+                    icon: rawEntity["icon"],
+                    name: rawEntity["name"],
+                    service: rawEntity["service"],
+                    actionName: rawEntity["action_name"]
+                  ),
+                uiAction: EntityUIAction(rawEntityData: uiActionData)
+              )
+              );
+            } else if (rawEntity["type"] == "weblink") {
+              Map uiActionData = {
+                "tap_action": {
+                  "action": EntityUIAction.navigate,
+                  "service": rawEntity["url"]
+                },
+                "hold_action": EntityUIAction.none
+              };
+              card.entities.add(EntityWrapper(
+                  entity: Entity.weblink(
+                      icon: rawEntity["icon"],
+                      name: rawEntity["name"],
+                      url: rawEntity["url"]
+                  ),
+                  uiAction: EntityUIAction(rawEntityData: uiActionData)
+              )
+              );
+            } else if (entities.isExist(rawEntity["entity"])) {
               Entity e = entities.get(rawEntity["entity"]);
               card.entities.add(
                   EntityWrapper(
@@ -479,6 +272,8 @@ class HomeAssistant {
                       uiAction: EntityUIAction(rawEntityData: rawEntity)
                   )
               );
+            } else {
+              card.entities.add(EntityWrapper(entity: Entity.missed(rawEntity["entity"])));
             }
           }
         });
@@ -493,6 +288,8 @@ class HomeAssistant {
                   displayName: rawCard["name"],
                   uiAction: EntityUIAction(rawEntityData: rawCard)
               );
+            } else {
+              card.linkedEntityWrapper = EntityWrapper(entity: Entity.missed(en));
             }
           } else {
             if (entities.isExist(en["entity"])) {
@@ -503,6 +300,8 @@ class HomeAssistant {
                   displayName: en["name"],
                   uiAction: EntityUIAction(rawEntityData: rawCard)
               );
+            } else {
+              card.linkedEntityWrapper = EntityWrapper(entity: Entity.missed(en["entity"]));
             }
           }
         }
@@ -514,15 +313,6 @@ class HomeAssistant {
     return result;
   }
 
-  void _parseEntities(response) async {
-    if (response["success"] == false) {
-      _statesCompleter.completeError({"errorCode": 3, "errorMessage": response["error"]["message"]});
-      return;
-    }
-    entities.parse(response["result"]);
-    _statesCompleter.complete();
-  }
-
   void _createUI() {
     ui = HomeAssistantUI();
     if ((_useLovelace) && (_rawLovelaceData != null)) {
@@ -559,31 +349,12 @@ class HomeAssistant {
     }
   }
 
-  Widget buildViews(BuildContext context, bool lovelace) {
+  Widget buildViews(BuildContext context, TabController tabController) {
-    return ui.build(context);
+    return ui.build(context, tabController);
-  }
-
-  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 = "$homeAssistantWebHost/api/history/period/$startTime?&filter_entity_id=$entityId";
-    Logger.d("[Sending] ==> $url");
-    http.Response historyResponse;
-    historyResponse = await http.get(url, headers: {
-        "authorization": "Bearer $_password",
-        "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 [];
-    }
   }
 }
 
+/*
 class SendMessageQueue {
   int _messageTimeout;
   List<HAMessage> _queue = [];
@@ -622,4 +393,4 @@ class HAMessage {
   bool isExpired() {
     return DateTime.now().difference(_timeStamp).inSeconds > _messageTimeout;
   }
-}
+}*/

lib/main.dart

@@ -8,7 +8,7 @@ import 'package:web_socket_channel/io.dart';
 import 'package:event_bus/event_bus.dart';
 import 'package:flutter/widgets.dart';
 import 'package:cached_network_image/cached_network_image.dart';
-import 'package:url_launcher/url_launcher.dart';
+import 'package:url_launcher/url_launcher.dart' as urlLauncher;
 import 'package:flutter/services.dart';
 import 'package:date_format/date_format.dart';
 import 'package:http/http.dart' as http;
@@ -16,10 +16,15 @@ import 'package:charts_flutter/flutter.dart' as charts;
 import 'package:progress_indicators/progress_indicators.dart';
 import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:flutter_svg/flutter_svg.dart';
+import 'package:flutter_custom_tabs/flutter_custom_tabs.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:flutter_webview_plugin/flutter_webview_plugin.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 
 part 'entity_class/const.dart';
 part 'entity_class/entity.class.dart';
 part 'entity_class/entity_wrapper.class.dart';
+part 'entity_class/timer_entity.dart';
 part 'entity_class/switch_entity.class.dart';
 part 'entity_class/button_entity.class.dart';
 part 'entity_class/text_entity.class.dart';
@@ -40,6 +45,7 @@ part 'entity_class/alarm_control_panel.class.dart';
 part 'entity_widgets/common/badge.dart';
 part 'entity_widgets/model_widgets.dart';
 part 'entity_widgets/default_entity_container.dart';
+part 'entity_widgets/missed_entity.dart';
 part 'entity_widgets/glance_entity_container.dart';
 part 'entity_widgets/button_entity_container.dart';
 part 'entity_widgets/common/entity_attributes_list.dart';
@@ -65,6 +71,7 @@ part 'entity_widgets/controls/slider_controls.dart';
 part 'entity_widgets/state/text_input_state.dart';
 part 'entity_widgets/state/select_state.dart';
 part 'entity_widgets/state/simple_state.dart';
+part 'entity_widgets/state/timer_state.dart';
 part 'entity_widgets/state/climate_state.dart';
 part 'entity_widgets/state/cover_state.dart';
 part 'entity_widgets/state/date_time_state.dart';
@@ -76,27 +83,29 @@ part 'entity_widgets/controls/media_player_widgets.dart';
 part 'entity_widgets/controls/fan_controls.dart';
 part 'entity_widgets/controls/alarm_control_panel_controls.dart';
 part 'settings.page.dart';
-part 'configuration.page.dart';
+part 'panel.page.dart';
 part 'home_assistant.class.dart';
 part 'log.page.dart';
 part 'entity.page.dart';
 part 'utils.class.dart';
 part 'mdi.class.dart';
 part 'entity_collection.class.dart';
+part 'auth_manager.class.dart';
+part 'connection.class.dart';
 part 'ui_class/ui.dart';
 part 'ui_class/view.class.dart';
 part 'ui_class/card.class.dart';
 part 'ui_class/sizes_class.dart';
+part 'ui_class/panel_class.dart';
 part 'ui_widgets/view.dart';
 part 'ui_widgets/card_widget.dart';
 part 'ui_widgets/card_header_widget.dart';
+part 'ui_widgets/config_panel_widget.dart';
 
 
 EventBus eventBus = new EventBus();
 const String appName = "HA Client";
-const appVersion = "0.4.4";
+const appVersion = "0.6.0-alpha1";
-
-String homeAssistantWebHost;
 
 void main() {
   FlutterError.onError = (errorDetails) {
@@ -118,6 +127,8 @@ void main() {
 }
 
 class HAClientApp extends StatelessWidget {
+
+  final HomeAssistant homeAssistant = HomeAssistant();
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
@@ -128,9 +139,9 @@ class HAClientApp extends StatelessWidget {
       ),
       initialRoute: "/",
       routes: {
-        "/": (context) => MainPage(title: 'HA Client'),
+        "/": (context) => MainPage(title: 'HA Client', homeAssistant: homeAssistant,),
         "/connection-settings": (context) => ConnectionSettingsPage(title: "Settings"),
-        "/configuration": (context) => ConfigurationPage(title: "Configuration"),
+        "/configuration": (context) => PanelPage(title: "Configuration"),
         "/log-view": (context) => LogViewPage(title: "Log")
       },
     );
@@ -138,81 +149,84 @@ class HAClientApp extends StatelessWidget {
 }
 
 class MainPage extends StatefulWidget {
-  MainPage({Key key, this.title}) : super(key: key);
+  MainPage({Key key, this.title, this.homeAssistant}) : super(key: key);
 
   final String title;
+  final HomeAssistant homeAssistant;
 
   @override
   _MainPageState createState() => new _MainPageState();
 }
 
-class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
+class _MainPageState extends State<MainPage> with WidgetsBindingObserver, TickerProviderStateMixin {
-  HomeAssistant _homeAssistant;
+
-  //Map _instanceConfig;
-  String _webSocketApiEndpoint;
-  String _password;
-  //int _uiViewsCount = 0;
-  String _instanceHost;
   StreamSubscription _stateSubscription;
   StreamSubscription _settingsSubscription;
   StreamSubscription _serviceCallSubscription;
   StreamSubscription _showEntityPageSubscription;
   StreamSubscription _showErrorSubscription;
-  bool _settingsLoaded = false;
+  StreamSubscription _startAuthSubscription;
-  bool _accountMenuExpanded = false;
+  StreamSubscription _reloadUISubscription;
-  bool _useLovelaceUI;
+  int _previousViewCount;
+  //final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
 
   @override
   void initState() {
     super.initState();
-    _settingsLoaded = false;
+    //widget.homeAssistant = HomeAssistant();
+    //_settingsLoaded = false;
     WidgetsBinding.instance.addObserver(this);
 
-    Logger.d("<!!!> Creating new HomeAssistant instance");
-    _homeAssistant = HomeAssistant();
-
     _settingsSubscription = eventBus.on<SettingsChangedEvent>().listen((event) {
       Logger.d("Settings change event: reconnect=${event.reconnect}");
       if (event.reconnect) {
-        _homeAssistant.disconnect().then((_){
+        _reLoad();
-          _initialLoad();
-        });
       }
     });
+
     _initialLoad();
   }
 
   void _initialLoad() {
-    _loadConnectionSettings().then((_){
+    _showInfoBottomBar(progress: true,);
-      _subscribe();
+    _subscribe();
-      _refreshData();
+    widget.homeAssistant.init().then((_){
-    }, onError: (_) {
+      _fetchData();
-      _showErrorBottomBar(message: _, errorCode: 5);
+    }, onError: (e) {
+      _setErrorState(e);
     });
   }
 
+  void _reLoad() {
+    _hideBottomBar();
+    _showInfoBottomBar(progress: true,);
+    widget.homeAssistant.init().then((_){
+      _fetchData();
+    }, onError: (e) {
+      _setErrorState(e);
+    });
+  }
+
+  _fetchData() async {
+    await widget.homeAssistant.fetch().then((_) {
+      _hideBottomBar();
+      int currentViewCount = widget.homeAssistant.ui?.views?.length ?? 0;
+      if (_previousViewCount != currentViewCount) {
+        Logger.d("Views count changed ($_previousViewCount->$currentViewCount). Creating new tabs controller.");
+        _viewsTabController = TabController(vsync: this, length: currentViewCount);
+        _previousViewCount = currentViewCount;
+      }
+    }).catchError((e) {
+      _setErrorState(e);
+    });
+    eventBus.fire(RefreshDataFinishedEvent());
+  }
+
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) {
     Logger.d("$state");
-    if (state == AppLifecycleState.resumed && _settingsLoaded) {
+    if (state == AppLifecycleState.resumed) {
-      _refreshData();
+      _reLoad();
-    }
-  }
-
-  _loadConnectionSettings() async {
-    SharedPreferences prefs = await SharedPreferences.getInstance();
-    String domain = prefs.getString('hassio-domain');
-    String port = prefs.getString('hassio-port');
-    _instanceHost = "$domain:$port";
-    _webSocketApiEndpoint = "${prefs.getString('hassio-protocol')}://$domain:$port/api/websocket";
-    homeAssistantWebHost = "${prefs.getString('hassio-res-protocol')}://$domain:$port";
-    _password = prefs.getString('hassio-password');
-    _useLovelaceUI = prefs.getBool('use-lovelace') ?? true;
-    if ((domain == null) || (port == null) || (_password == null) ||
-        (domain.length == 0) || (port.length == 0) || (_password.length == 0)) {
-      throw("Check connection settings");
-    } else {
-      _settingsLoaded = true;
     }
   }
 
@@ -221,12 +235,17 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
       _stateSubscription = eventBus.on<StateChangedEvent>().listen((event) {
         if (event.needToRebuildUI) {
           Logger.d("New entity. Need to rebuild UI");
-          _refreshData();
+          _reLoad();
         } else {
           setState(() {});
         }
       });
     }
+    if (_reloadUISubscription == null) {
+      _reloadUISubscription = eventBus.on<ReloadUIEvent>().listen((event){
+        _reLoad();
+      });
+    }
     if (_serviceCallSubscription == null) {
       _serviceCallSubscription =
           eventBus.on<ServiceCallEvent>().listen((event) {
@@ -247,18 +266,51 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
         _showErrorBottomBar(message: event.text, errorCode: event.errorCode);
       });
     }
+
+    if (_startAuthSubscription == null) {
+      _startAuthSubscription = eventBus.on<StartAuthEvent>().listen((event){
+        _showOAuth();
+      });
+    }
+
+
+
+    /*_firebaseMessaging.getToken().then((String token) {
+      //Logger.d("FCM token: $token");
+      widget.homeAssistant.sendHTTPPost(
+          endPoint: '/api/notify.fcm-android',
+          jsonData:  '{"token": "$token"}'
+      );
+    });
+    _firebaseMessaging.configure(
+        onLaunch: (data) {
+          Logger.d("Notification [onLaunch]: $data");
+        },
+        onMessage: (data) {
+          Logger.d("Notification [onMessage]: $data");
+        },
+        onResume: (data) {
+          Logger.d("Notification [onResume]: $data");
+        }
+    );*/
   }
 
-  _refreshData() async {
+  void _showOAuth() {
-    _homeAssistant.updateSettings(_webSocketApiEndpoint, _password, _useLovelaceUI);
+    Navigator.push(
-    _hideBottomBar();
+        context,
-    _showInfoBottomBar(progress: true,);
+        MaterialPageRoute(
-    await _homeAssistant.fetch().then((result) {
+          builder: (context) => WebviewScaffold(
-      _hideBottomBar();
+            url: "${widget.homeAssistant.connection.oauthUrl}",
-    }).catchError((e) {
+            appBar: new AppBar(
-      _setErrorState(e);
+              leading: IconButton(
-    });
+                  icon: Icon(Icons.help),
-    eventBus.fire(RefreshDataFinishedEvent());
+                  onPressed: () => HAUtils.launchURLInCustomTab(context, "http://ha-client.homemade.systems/docs#authentication")
+              ),
+              title: new Text("Login to your Home Assistant"),
+            ),
+          ),
+        )
+    );
   }
 
   _setErrorState(e) {
@@ -266,7 +318,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
       Logger.e(e.toString());
       Logger.e("${e.stackTrace}");
       _showErrorBottomBar(
-          message: "There was some error",
+          message: "Unknown error",
           errorCode: 13
       );
     } else {
@@ -277,19 +329,19 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
     }
   }
 
-  void _callService(String domain, String service, String entityId, Map<String, dynamic> additionalParams) {
+  void _callService(String domain, String service, String entityId, Map additionalParams) {
     _showInfoBottomBar(
       message: "Calling $domain.$service",
       duration: Duration(seconds: 3)
     );
-    _homeAssistant.callService(domain, service, entityId, additionalParams).catchError((e) => _setErrorState(e));
+    widget.homeAssistant.connection.callService(domain: domain, service: service, entityId: entityId, additionalServiceData: additionalParams).catchError((e) => _setErrorState(e));
   }
 
   void _showEntityPage(String entityId) {
     Navigator.push(
         context,
         MaterialPageRoute(
-          builder: (context) => EntityViewPage(entityId: entityId, homeAssistant: _homeAssistant),
+          builder: (context) => EntityViewPage(entityId: entityId, homeAssistant: widget.homeAssistant),
         )
     );
   }
@@ -297,8 +349,8 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
   List<Tab> buildUIViewTabs() {
     List<Tab> result = [];
 
-      if (_homeAssistant.ui.views.isNotEmpty) {
+      if (widget.homeAssistant.ui.views.isNotEmpty) {
-        _homeAssistant.ui.views.forEach((HAView view) {
+        widget.homeAssistant.ui.views.forEach((HAView view) {
           result.add(view.buildTab());
         });
       }
@@ -310,16 +362,16 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
     List<Widget> menuItems = [];
     menuItems.add(
         UserAccountsDrawerHeader(
-          accountName: Text(_homeAssistant.userName),
+          accountName: Text(widget.homeAssistant.userName),
-          accountEmail: Text(_instanceHost ?? "Not configured"),
+          accountEmail: Text(widget.homeAssistant.hostname ?? "Not configured"),
-          onDetailsPressed: () {
+          /*onDetailsPressed: () {
             setState(() {
               _accountMenuExpanded = !_accountMenuExpanded;
             });
-          },
+          },*/
           currentAccountPicture: CircleAvatar(
             child: Text(
-              _homeAssistant.userAvatarText,
+              widget.homeAssistant.userAvatarText,
               style: TextStyle(
                   fontSize: 32.0
               ),
@@ -327,28 +379,40 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
           ),
         )
     );
-    if (_accountMenuExpanded) {
+      if (widget.homeAssistant.panels.isNotEmpty) {
+        widget.homeAssistant.panels.forEach((Panel panel) {
+          if (!panel.isHidden) {
+            menuItems.add(
+                new ListTile(
+                    leading: Icon(MaterialDesignIcons.getIconDataFromIconName(panel.icon)),
+                    title: Text("${panel.title}"),
+                    onTap: () => panel.handleOpen(context)
+                )
+            );
+          }
+        });
+      }
+      //TODO check for loaded
+      menuItems.add(
+          new ListTile(
+            leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:home-assistant")),
+            title: Text("Open Web UI"),
+            onTap: () => HAUtils.launchURL(widget.homeAssistant.connection.httpWebHost),
+          )
+      );
       menuItems.addAll([
-        ListTile(
-          leading: Icon(Icons.settings),
-          title: Text("Settings"),
-          onTap: () {
-            Navigator.of(context).pop();
-            Navigator.of(context).pushNamed('/connection-settings');
-          },
-        ),
         Divider(),
-      ]);
+        ListTile(
-    } else {
+          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:login-variant")),
-      menuItems.addAll([
+          title: Text("Connection settings"),
-        new ListTile(
-          leading: Icon(Icons.settings),
-          title: Text("Configuration"),
           onTap: () {
             Navigator.of(context).pop();
-            Navigator.of(context).pushNamed('/configuration');
+            Navigator.of(context).pushNamed('/connection-settings', arguments: {"homeAssistant", widget.homeAssistant});
           },
-        ),
+        )
+      ]);
+      menuItems.addAll([
+        Divider(),
         new ListTile(
           leading: Icon(Icons.insert_drive_file),
           title: Text("Log"),
@@ -358,7 +422,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
           },
         ),
         new ListTile(
-          leading: Icon(MaterialDesignIcons.createIconDataFromIconName("mdi:github-circle")),
+          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:github-circle")),
           title: Text("Report an issue"),
           onTap: () {
             Navigator.of(context).pop();
@@ -366,6 +430,14 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
           },
         ),
         Divider(),
+        new ListTile(
+          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:discord")),
+          title: Text("Join Discord server"),
+          onTap: () {
+            Navigator.of(context).pop();
+            HAUtils.launchURL("https://discord.gg/AUzEvwn");
+          },
+        ),
         new AboutListTile(
           aboutBoxChildren: <Widget>[
             GestureDetector(
@@ -386,7 +458,6 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
           applicationVersion: appVersion
         )
       ]);
-    }
     return new Drawer(
       child: ListView(
         children: menuItems,
@@ -439,7 +510,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
                 child: Text("Retry", style: textStyle),
                 onPressed: () {
                   //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-                  _refreshData();
+                  _reLoad();
                 },
             );
             break;
@@ -457,12 +528,32 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
           break;
         }
 
-        case 6: {
+        case 60: {
           _bottomBarAction = FlatButton(
-              child: Text("Settings", style: textStyle),
+              child: Text("Login", style: textStyle),
             onPressed: () {
-              //_scaffoldKey?.currentState?.hideCurrentSnackBar();
+              _reLoad();
-              Navigator.pushNamed(context, '/connection-settings');
+            },
+          );
+          break;
+        }
+
+        case 63:
+        case 61: {
+          _bottomBarAction = FlatButton(
+            child: Text("Try again", style: textStyle),
+            onPressed: () {
+              _reLoad();
+            },
+          );
+          break;
+        }
+
+        case 62: {
+          _bottomBarAction = FlatButton(
+            child: Text("Login again", style: textStyle),
+            onPressed: () {
+              _reLoad();
             },
           );
           break;
@@ -473,52 +564,51 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
               child: Text("Refresh", style: textStyle),
             onPressed: () {
               //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-              _refreshData();
+              _reLoad();
             },
           );
           break;
         }
 
+        case 82:
+        case 81:
         case 8: {
           _bottomBarAction = FlatButton(
               child: Text("Reconnect", style: textStyle),
             onPressed: () {
-              //_scaffoldKey?.currentState?.hideCurrentSnackBar();
+              _reLoad();
-              _refreshData();
             },
           );
           break;
         }
 
         default: {
-          _bottomBarAction = FlatButton(
+          _bottomBarAction = Container(width: 0.0, height: 0.0,);
-              child: Text("Reload", style: textStyle),
-            onPressed: () {
-              //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-              _refreshData();
-            },
-          );
           break;
         }
       }
       setState(() {
         _bottomBarProgress = false;
-        _bottomBarText = "$message (code: $errorCode)";
+        _bottomBarText = "$message";
         _showBottomBar = true;
       });
-      /*_scaffoldKey.currentState.hideCurrentSnackBar();
-      _scaffoldKey.currentState.showSnackBar(
-        SnackBar(
-          content: Text("$message (code: $errorCode)"),
-          action: action,
-          duration: Duration(hours: 1),
-        )
-      );*/
   }
 
   final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
 
   Widget _buildScaffoldBody(bool empty) {
+    List<PopupMenuItem<String>> popupMenuItems = [];
+    popupMenuItems.add(PopupMenuItem<String>(
+      child: new Text("Reload"),
+      value: "reload",
+    ));
+    if (widget.homeAssistant.connection.isAuthenticated) {
+      popupMenuItems.add(
+          PopupMenuItem<String>(
+            child: new Text("Logout"),
+            value: "logout",
+          ));
+    }
     return NestedScrollView(
       headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
         return <Widget>[
@@ -526,22 +616,23 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
             floating: true,
             pinned: true,
             primary: true,
-            title: Text(_homeAssistant != null ? _homeAssistant.locationName : ""),
+            title: Text(widget.homeAssistant.locationName ?? ""),
             actions: <Widget>[
               IconButton(
-                icon: Icon(MaterialDesignIcons.createIconDataFromIconName(
+                icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
                     "mdi:dots-vertical"), color: Colors.white,),
                 onPressed: () {
                   showMenu(
                     position: RelativeRect.fromLTRB(MediaQuery.of(context).size.width, 70.0, 0.0, 0.0),
                     context: context,
-                    items: [PopupMenuItem<String>(
+                    items: popupMenuItems
-                      child: new Text("Reload"),
-                      value: "reload",
-                    )]
                   ).then((String val) {
                     if (val == "reload") {
-                      _refreshData();
+                      _reLoad();
+                    } else if (val == "logout") {
+                      widget.homeAssistant.logout().then((_) {
+                        _reLoad();
+                      });
                     }
                   });
                 }
@@ -551,12 +642,10 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
               icon: Icon(Icons.menu),
               onPressed: () {
                 _scaffoldKey.currentState.openDrawer();
-                setState(() {
-                  _accountMenuExpanded = false;
-                });
               },
             ),
             bottom: empty ? null : TabBar(
+              controller: _viewsTabController,
               tabs: buildUIViewTabs(),
               isScrollable: true,
             ),
@@ -570,18 +659,20 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
               Icon(
-                MaterialDesignIcons.createIconDataFromIconName("mdi:home-assistant"),
+                MaterialDesignIcons.getIconDataFromIconName("mdi:border-none-variant"),
                 size: 100.0,
-                color: Colors.blue,
+                color: Colors.black26,
               ),
             ]
         ),
       )
           :
-      _homeAssistant.buildViews(context, _useLovelaceUI),
+      widget.homeAssistant.buildViews(context, _viewsTabController),
     );
   }
 
+  TabController _viewsTabController;
+
   @override
   Widget build(BuildContext context) {
     Widget bottomBar;
@@ -633,7 +724,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
       }
     }
     // This method is rerun every time setState is called.
-    if (_homeAssistant.ui == null || _homeAssistant.ui.views == null) {
+    if (widget.homeAssistant.isNoViews) {
       return Scaffold(
         key: _scaffoldKey,
         primary: false,
@@ -647,9 +738,9 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
         drawer: _buildAppDrawer(),
         primary: false,
         bottomNavigationBar: bottomBar,
-        body: DefaultTabController(
+        body: HomeAssistantModel(
-          length: _homeAssistant.ui?.views?.length ?? 0,
           child: _buildScaffoldBody(false),
+          homeAssistant: widget.homeAssistant
         ),
       );
     }
@@ -657,13 +748,19 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
 
   @override
   void dispose() {
+    final flutterWebviewPlugin = new FlutterWebviewPlugin();
+    flutterWebviewPlugin.dispose();
     WidgetsBinding.instance.removeObserver(this);
-    if (_stateSubscription != null) _stateSubscription.cancel();
+    _viewsTabController?.dispose();
-    if (_settingsSubscription != null) _settingsSubscription.cancel();
+    _stateSubscription?.cancel();
-    if (_serviceCallSubscription != null) _serviceCallSubscription.cancel();
+    _settingsSubscription?.cancel();
-    if (_showEntityPageSubscription != null) _showEntityPageSubscription.cancel();
+    _serviceCallSubscription?.cancel();
-    if (_showErrorSubscription != null) _showErrorSubscription.cancel();
+    _showEntityPageSubscription?.cancel();
-    _homeAssistant.disconnect();
+    _showErrorSubscription?.cancel();
+    _startAuthSubscription?.cancel();
+    _reloadUISubscription?.cancel();
+    //TODO disconnect
+    //widget.homeAssistant?.disconnect();
     super.dispose();
   }
 }

lib/panel.page.dart

@@ -0,0 +1,40 @@
+part of 'main.dart';
+
+class PanelPage extends StatefulWidget {
+  PanelPage({Key key, this.title, this.panel}) : super(key: key);
+
+  final String title;
+  final Panel panel;
+
+  @override
+  _PanelPageState createState() => new _PanelPageState();
+}
+
+class _PanelPageState extends State<PanelPage> {
+
+  List<ConfigurationItem> _items;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+
+    return new Scaffold(
+      appBar: new AppBar(
+        leading: IconButton(icon: Icon(Icons.arrow_back), onPressed: (){
+          Navigator.pop(context);
+        }),
+        title: new Text(widget.title),
+      ),
+      body: widget.panel.getWidget(),
+    );
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+}

lib/settings.page.dart

@@ -14,17 +14,18 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
   String _newHassioDomain = "";
   String _hassioPort = "";
   String _newHassioPort = "";
-  String _hassioPassword = "";
-  String _newHassioPassword = "";
   String _socketProtocol = "wss";
   String _newSocketProtocol = "wss";
   bool _useLovelace = true;
   bool _newUseLovelace = true;
 
+  String oauthUrl;
+
   @override
   void initState() {
     super.initState();
     _loadSettings();
+
   }
 
   _loadSettings() async {
@@ -33,7 +34,6 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
     setState(() {
       _hassioDomain = _newHassioDomain = prefs.getString("hassio-domain")?? "";
       _hassioPort = _newHassioPort = prefs.getString("hassio-port") ?? "";
-      _hassioPassword = _newHassioPassword = prefs.getString("hassio-password") ?? "";
       _socketProtocol = _newSocketProtocol = prefs.getString("hassio-protocol") ?? 'wss';
       try {
         _useLovelace = _newUseLovelace = prefs.getBool("use-lovelace") ?? true;
@@ -44,7 +44,7 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
   }
 
   bool _checkConfigChanged() {
-    return ((_newHassioPassword != _hassioPassword) ||
+    return (
       (_newHassioPort != _hassioPort) ||
       (_newHassioDomain != _hassioDomain) ||
       (_newSocketProtocol != _socketProtocol) ||
@@ -59,7 +59,6 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
     SharedPreferences prefs = await SharedPreferences.getInstance();
     prefs.setString("hassio-domain", _newHassioDomain);
     prefs.setString("hassio-port", _newHassioPort);
-    prefs.setString("hassio-password", _newHassioPassword);
     prefs.setString("hassio-protocol", _newSocketProtocol);
     prefs.setString("hassio-res-protocol", _newSocketProtocol == "wss" ? "https" : "http");
     prefs.setBool("use-lovelace", _newUseLovelace);
@@ -149,21 +148,6 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
             "Try ports 80 and 443 if default is not working and you don't know why.",
             style: TextStyle(color: Colors.grey),
           ),
-          new TextField(
-            decoration: InputDecoration(
-                labelText: "Access token"
-            ),
-            controller: new TextEditingController.fromValue(
-                new TextEditingValue(
-                    text: _newHassioPassword,
-                    selection:
-                    new TextSelection.collapsed(offset: _newHassioPassword.length)
-                )
-            ),
-            onChanged: (value) {
-              _newHassioPassword = value;
-            }
-          ),
           Padding(
             padding: EdgeInsets.only(top: 20.0),
             child: Text(

lib/ui_class/panel_class.dart

@@ -0,0 +1,58 @@
+part of '../main.dart';
+
+class Panel {
+
+  static const iconsByComponent = {
+    "config": "mdi:settings",
+    "history": "mdi:poll-box",
+    "map": "mdi:tooltip-account",
+    "logbook": "mdi:format-list-bulleted-type",
+    "custom": "mdi:home-assistant"
+  };
+
+  final String id;
+  final String type;
+  final String title;
+  final String urlPath;
+  final Map config;
+  String icon;
+  bool isHidden = true;
+
+  Panel({this.id, this.type, this.title, this.urlPath, this.icon, this.config}) {
+    if (icon == null || !icon.startsWith("mdi:")) {
+      icon = Panel.iconsByComponent[type];
+    }
+    isHidden = (type != "iframe" && type != "config");
+  }
+
+  void handleOpen(BuildContext context) {
+    if (type == "iframe") {
+      Logger.d("Launching custom tab with ${config["url"]}");
+      HAUtils.launchURLInCustomTab(context, config["url"]);
+    } else if (type == "config") {
+      Navigator.of(context).push(
+          MaterialPageRoute(
+            builder: (context) => PanelPage(title: "$title", panel: this),
+          )
+      );
+    } else {
+      HomeAssistantModel haModel = HomeAssistantModel.of(context);
+      String url = "${haModel.homeAssistant.connection.httpWebHost}/$urlPath";
+      Logger.d("Launching custom tab with $url");
+      HAUtils.launchURLInCustomTab(context, url);
+    }
+  }
+
+  Widget getWidget() {
+    switch (type) {
+      case "config": {
+        return ConfigPanelWidget();
+      }
+
+      default: {
+        return Text("Unsupported panel component: $type");
+      }
+    }
+  }
+
+}

lib/ui_class/ui.dart

@@ -4,12 +4,15 @@ class HomeAssistantUI {
   List<HAView> views;
   String title;
 
+  bool get isEmpty => views == null || views.isEmpty;
+
   HomeAssistantUI() {
     views = [];
   }
 
-  Widget build(BuildContext context) {
+  Widget build(BuildContext context, TabController tabController) {
     return TabBarView(
+      controller: tabController,
       children: _buildViews(context)
     );
   }
@@ -24,4 +27,8 @@ class HomeAssistantUI {
     return result;
   }
 
+  void clear() {
+    views.clear();
+  }
+
 }

lib/ui_class/view.class.dart

@@ -77,7 +77,7 @@ class HAView {
           Tab(
               icon:
               Icon(
-                MaterialDesignIcons.createIconDataFromIconName(
+                MaterialDesignIcons.getIconDataFromIconName(
                     iconName ?? "mdi:home-assistant"),
                 size: 24.0,
               )
@@ -92,7 +92,7 @@ class HAView {
       if (linkedEntity.icon != null && linkedEntity.icon.length > 0) {
         return Tab(
           icon: Icon(
-              MaterialDesignIcons.createIconDataFromIconName(
+              MaterialDesignIcons.getIconDataFromIconName(
                   linkedEntity.icon),
               size: 24.0,
             )

lib/ui_widgets/card_widget.dart

@@ -11,8 +11,17 @@ class CardWidget extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    if ((card.linkedEntityWrapper!= null) && (card.linkedEntityWrapper.entity.isHidden)) {
+    if (card.linkedEntityWrapper!= null) {
-      return Container(width: 0.0, height: 0.0,);
+      if (card.linkedEntityWrapper.entity.isHidden) {
+        return Container(width: 0.0, height: 0.0,);
+      }
+      if (card.linkedEntityWrapper.entity.statelessType == StatelessEntityType.MISSED) {
+        return EntityModel(
+          entityWrapper: card.linkedEntityWrapper,
+          child: MissedEntityWidget(),
+          handleTap: false,
+        );
+      }
     }
 
     switch (card.type) {
@@ -103,7 +112,7 @@ class CardWidget extends StatelessWidget {
       if (!entity.entity.isHidden) {
         body.add(
             Padding(
-              padding: EdgeInsets.fromLTRB(0.0, Sizes.rowPadding, 0.0, Sizes.rowPadding),
+              padding: EdgeInsets.fromLTRB(10.0, 4.0, 0.0, 4.0),
               child: EntityModel(
                   entityWrapper: entity,
                   handleTap: true,
@@ -133,55 +142,51 @@ class CardWidget extends StatelessWidget {
   }
 
   Widget _buildAlarmPanelCard(BuildContext context) {
-    if (card.linkedEntityWrapper == null || card.linkedEntityWrapper.entity == null) {
+    List<Widget> body = [];
-      return Container(width: 0, height: 0,);
+    body.add(CardHeaderWidget(
-    } else {
+      name: card.name ?? "",
-      List<Widget> body = [];
+      subtitle: Text("${card.linkedEntityWrapper.entity.displayState}",
-      body.add(CardHeaderWidget(
+        style: TextStyle(
-        name: card.name ?? "",
-        subtitle: Text("${card.linkedEntityWrapper.entity.displayState}",
-          style: TextStyle(
             color: Colors.grey
-          ),
         ),
-        trailing: Row(
+      ),
+      trailing: Row(
           mainAxisSize: MainAxisSize.min,
           mainAxisAlignment: MainAxisAlignment.end,
           children: [
             EntityIcon(
-              iconSize: 50.0,
+              size: 50.0,
             ),
             Container(
-              width: 26.0,
+                width: 26.0,
-              child: IconButton(
+                child: IconButton(
-                  padding: EdgeInsets.all(0.0),
+                    padding: EdgeInsets.all(0.0),
-                  alignment: Alignment.centerRight,
+                    alignment: Alignment.centerRight,
-                  icon: Icon(MaterialDesignIcons.createIconDataFromIconName(
+                    icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
-                      "mdi:dots-vertical")),
+                        "mdi:dots-vertical")),
-                  onPressed: () => eventBus.fire(new ShowEntityPageEvent(card.linkedEntityWrapper.entity))
+                    onPressed: () => eventBus.fire(new ShowEntityPageEvent(card.linkedEntityWrapper.entity))
-              )
+                )
             )
           ]
-        ),
+      ),
-      ));
+    ));
-      body.add(
+    body.add(
         AlarmControlPanelControlsWidget(
           extended: true,
           states: card.states,
         )
-      );
+    );
-      return Card(
+    return Card(
         child: EntityModel(
-          entityWrapper: card.linkedEntityWrapper,
+            entityWrapper: card.linkedEntityWrapper,
-          handleTap: null,
+            handleTap: null,
-          child: Column(
+            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.center,
+                crossAxisAlignment: CrossAxisAlignment.center,
-              mainAxisSize: MainAxisSize.min,
+                mainAxisSize: MainAxisSize.min,
-              children: body
+                children: body
-          )
+            )
         )
-      );
+    );
-    }
   }
 
   Widget _buildGlanceCard(BuildContext context) {
@@ -227,33 +232,25 @@ class CardWidget extends StatelessWidget {
   }
 
   Widget _buildMediaControlsCard(BuildContext context) {
-    if (card.linkedEntityWrapper == null || card.linkedEntityWrapper.entity == null) {
+    return Card(
-      return Container(width: 0, height: 0,);
+        child: EntityModel(
-    } else {
+            entityWrapper: card.linkedEntityWrapper,
-      return Card(
+            handleTap: null,
-          child: EntityModel(
+            child: MediaPlayerWidget()
-              entityWrapper: card.linkedEntityWrapper,
+        )
-              handleTap: null,
+    );
-              child: MediaPlayerWidget()
-          )
-      );
-    }
   }
 
   Widget _buildEntityButtonCard(BuildContext context) {
-    if (card.linkedEntityWrapper == null || card.linkedEntityWrapper.entity == null) {
+    card.linkedEntityWrapper.displayName = card.name?.toUpperCase() ??
-      return Container(width: 0, height: 0,);
+        card.linkedEntityWrapper.displayName.toUpperCase();
-    } else {
+    return Card(
-      card.linkedEntityWrapper.displayName = card.name?.toUpperCase() ??
+        child: EntityModel(
-          card.linkedEntityWrapper.displayName.toUpperCase();
+            entityWrapper: card.linkedEntityWrapper,
-      return Card(
+            child: ButtonEntityContainer(),
-          child: EntityModel(
+            handleTap: true
-              entityWrapper: card.linkedEntityWrapper,
+        )
-              child: ButtonEntityContainer(),
+    );
-              handleTap: true
-          )
-      );
-    }
   }
 
   Widget _buildUnsupportedCard(BuildContext context) {

lib/ui_widgets/config_panel_widget.dart

@@ -1,12 +1,10 @@
-part of 'main.dart';
+part of '../main.dart';
 
-class ConfigurationPage extends StatefulWidget {
+class ConfigPanelWidget extends StatefulWidget {
-  ConfigurationPage({Key key, this.title}) : super(key: key);
+  ConfigPanelWidget({Key key}) : super(key: key);
-
-  final String title;
 
   @override
-  _ConfigurationPageState createState() => new _ConfigurationPageState();
+  _ConfigPanelWidgetState createState() => new _ConfigPanelWidgetState();
 }
 
 class ConfigurationItem {
@@ -17,7 +15,7 @@ class ConfigurationItem {
   final Widget body;
 }
 
-class _ConfigurationPageState extends State<ConfigurationPage> {
+class _ConfigPanelWidgetState extends State<ConfigPanelWidget> {
 
   List<ConfigurationItem> _items;
 
@@ -64,37 +62,29 @@ class _ConfigurationPageState extends State<ConfigurationPage> {
   @override
   Widget build(BuildContext context) {
 
-    return new Scaffold(
+    return ListView(
-      appBar: new AppBar(
+      children: [
-        leading: IconButton(icon: Icon(Icons.arrow_back), onPressed: (){
+        new ExpansionPanelList(
-          Navigator.pop(context);
+          expansionCallback: (int index, bool isExpanded) {
-        }),
+            setState(() {
-        title: new Text(widget.title),
+              _items[index].isExpanded = !_items[index].isExpanded;
-      ),
+            });
-      body: ListView(
+          },
-        children: [
+          children: _items.map((ConfigurationItem item) {
-          new ExpansionPanelList(
+            return new ExpansionPanel(
-            expansionCallback: (int index, bool isExpanded) {
+              headerBuilder: (BuildContext context, bool isExpanded) {
-              setState(() {
+                return CardHeaderWidget(
-                _items[index].isExpanded = !_items[index].isExpanded;
+                  name: item.header,
-              });
+                );
-            },
+              },
-            children: _items.map((ConfigurationItem item) {
+              isExpanded: item.isExpanded,
-              return new ExpansionPanel(
+              body: new Container(
-                headerBuilder: (BuildContext context, bool isExpanded) {
+                child: item.body,
-                  return CardHeaderWidget(
+              ),
-                    name: item.header,
+            );
-                  );
+          }).toList(),
-                },
+        ),
-                isExpanded: item.isExpanded,
+      ],
-                body: new Container(
-                  child: item.body,
-                ),
-              );
-            }).toList(),
-          ),
-        ],
-      ),
     );
   }
 

lib/utils.class.dart

@@ -47,12 +47,44 @@ class Logger {
 
 class HAUtils {
   static void launchURL(String url) async {
-    if (await canLaunch(url)) {
+    if (await urlLauncher.canLaunch(url)) {
-      await launch(url);
+      await urlLauncher.launch(url);
     } else {
       Logger.e( "Could not launch $url");
     }
   }
+
+  static void launchURLInCustomTab(BuildContext context, String url) async {
+    try {
+      await launch(
+        "$url",
+        option: new CustomTabsOption(
+          toolbarColor: Theme.of(context).primaryColor,
+          enableDefaultShare: true,
+          enableUrlBarHiding: true,
+          showPageTitle: true,
+          animation: new CustomTabsAnimation.slideIn()
+          // or user defined animation.
+          /*animation: new CustomTabsAnimation(
+          startEnter: 'slide_up',
+          startExit: 'android:anim/fade_out',
+          endEnter: 'android:anim/fade_in',
+          endExit: 'slide_down',
+        )*/,
+        extraCustomTabs: <String>[
+          // ref. https://play.google.com/store/apps/details?id=org.mozilla.firefox
+          'org.mozilla.firefox',
+          // ref. https://play.google.com/store/apps/details?id=com.microsoft.emmx
+          'com.microsoft.emmx',
+        ],
+      ),
+    );
+    } catch (e) {
+      Logger.w("Can't open custom tab: ${e.toString()}");
+      Logger.w("Launching in default browser");
+      HAUtils.launchURL(url);
+    }
+  }
 }
 
 class StateChangedEvent {
@@ -77,6 +109,16 @@ class RefreshDataFinishedEvent {
   RefreshDataFinishedEvent();
 }
 
+class ReloadUIEvent {
+  ReloadUIEvent();
+}
+
+class StartAuthEvent {
+  String oauthUrl;
+
+  StartAuthEvent(this.oauthUrl);
+}
+
 class ServiceCallEvent {
   String domain;
   String service;

pubspec.lock

@@ -35,7 +35,7 @@ packages:
       name: cached_network_image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.0+1"
+    version: "0.7.0"
   charcode:
     dependency: transitive
     description:
@@ -101,6 +101,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
+  firebase_messaging:
+    dependency: "direct main"
+    description:
+      name: firebase_messaging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0+1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -112,7 +119,14 @@ packages:
       name: flutter_cache_manager
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0"
+    version: "0.3.2"
+  flutter_custom_tabs:
+    dependency: "direct main"
+    description:
+      name: flutter_custom_tabs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.0"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
@@ -127,18 +141,32 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.2.0"
+  flutter_secure_storage:
+    dependency: "direct main"
+    description:
+      name: flutter_secure_storage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.0"
   flutter_svg:
     dependency: "direct main"
     description:
       name: flutter_svg
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.10.3"
+    version: "0.10.4"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_webview_plugin:
+    dependency: "direct main"
+    description:
+      name: flutter_webview_plugin
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.1"
   http:
     dependency: transitive
     description:
@@ -223,6 +251,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.5.0+1"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.0"
   petitparser:
     dependency: transitive
     description:
@@ -230,6 +265,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
   progress_indicators:
     dependency: "direct main"
     description:
@@ -250,7 +292,7 @@ packages:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.1+1"
+    version: "0.5.1+2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -262,14 +304,14 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.1"
+    version: "1.5.4"
   sqflite:
     dependency: transitive
     description:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0+1"
+    version: "1.1.3"
   stack_trace:
     dependency: transitive
     description:
@@ -297,21 +339,21 @@ packages:
       name: synchronized
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2+1"
+    version: "2.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.1.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.1"
+    version: "0.2.2"
   typed_data:
     dependency: transitive
     description:
@@ -325,7 +367,7 @@ packages:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.0.1"
+    version: "5.0.2"
   uuid:
     dependency: transitive
     description:
@@ -363,4 +405,4 @@ packages:
     version: "2.1.15"
 sdks:
   dart: ">=2.1.0 <3.0.0"
-  flutter: ">=0.7.3 <2.0.0"
+  flutter: ">=1.2.1 <2.0.0"

pubspec.yaml

@@ -1,7 +1,7 @@
 name: hass_client
 description: Home Assistant Android Client
 
-version: 0.4.4+95
+version: 0.6.0+101
 
 environment:
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
@@ -19,6 +19,10 @@ dependencies:
   charts_flutter: any
   flutter_markdown: any
   flutter_svg: ^0.10.3
+  flutter_custom_tabs: ^0.6.0
+  firebase_messaging: ^4.0.0+1
+  flutter_webview_plugin: ^0.3.1
+  flutter_secure_storage: ^3.2.0
 
 dev_dependencies:
   flutter_test:
@@ -59,7 +63,7 @@ flutter:
   fonts:
     - family: "Material Design Icons"
       fonts:
-        - asset: fonts/materialdesignicons-webfont.ttf
+        - asset: fonts/materialdesignicons-webfont-3-5-95.ttf
   # fonts:
   #   - family: Schyler
   #     fonts: