0.6.5

History tweaks

.gitignore

@@ -11,4 +11,5 @@ build/
 .idea/
 
 key.properties
+premium_features_manager.class.dart
 pubspec.lock

README.md

@@ -1,12 +1,9 @@
-[![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
 
 Visit [homemade.systems](http://ha-client.homemade.systems/) for more info.
 
-Join [Google Group](https://groups.google.com/d/forum/ha-client-alpha-testing) to become an alpha tester
+Download the app from [Google Play](https://play.google.com/apps/testing/com.keyboardcrumbs.haclient)
 
-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 on [Discord server](https://discord.gg/AUzEvwn)
-
-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/src/main/AndroidManifest.xml

@@ -7,6 +7,10 @@
     -->
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.VIBRATE" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission android:name="android.permission.WAKE_LOCK"/>
 
     <!-- io.flutter.app.FlutterApplication is an android.app.Application that
          calls FlutterMain.startInitialization(this); in its onCreate method.
@@ -14,7 +18,7 @@
          additional functionality it is fine to subclass or reimplement
          FlutterApplication and put your custom class here. -->
     <application
-        android:name="io.flutter.app.FlutterApplication"
+        android:name=".Application"
         android:label="HA Client"
         android:icon="@mipmap/ic_launcher"
         android:usesCleartextTraffic="true">
@@ -46,5 +50,20 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+
+        <service
+            android:name="io.flutter.plugins.androidalarmmanager.AlarmService"
+            android:permission="android.permission.BIND_JOB_SERVICE"
+            android:exported="false"/>
+        <receiver
+            android:name="io.flutter.plugins.androidalarmmanager.AlarmBroadcastReceiver"
+            android:exported="false"/>
+        <receiver
+            android:name="io.flutter.plugins.androidalarmmanager.RebootBroadcastReceiver"
+            android:enabled="false">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED"></action>
+            </intent-filter>
+        </receiver>
     </application>
 </manifest>

android/app/src/main/java/com/keyboardcrumbs/hassclient/Application.java

@@ -0,0 +1,18 @@
+package com.keyboardcrumbs.hassclient;
+
+import io.flutter.app.FlutterApplication;
+import io.flutter.plugin.common.PluginRegistry;
+import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+
+public class Application extends FlutterApplication implements PluginRegistrantCallback {
+    @Override
+    public void onCreate() {
+        super.onCreate();
+    }
+
+    @Override
+    public void registerWith(PluginRegistry registry) {
+        GeneratedPluginRegistrant.registerWith(registry);
+    }
+}

assets/js/externalAuth.js

@@ -0,0 +1,16 @@
+window.externalApp = {};
+window.externalApp.getExternalAuth = function(options) {
+    console.log("Starting external auth");
+    var options = JSON.parse(options);
+    if (options && options.callback) {
+        var responseData = {
+            access_token: "[token]",
+            expires_in: 1800
+        };
+        console.log("Waiting for callback to be added");
+        setTimeout(function(){
+            console.log("Calling a callback");
+            window[options.callback](true, responseData);
+        }, 500);
+    }
+};

flutter_01.log

@@ -0,0 +1,41 @@
+Flutter crash report; please file at https://github.com/flutter/flutter/issues.
+
+## command
+
+flutter --no-color run --machine --track-widget-creation --device-id=89AY052S4 lib/main.dart
+
+## exception
+
+_InternalLinkedHashMap<String, dynamic>: {code: 105, message: Isolate must be runnable, data: {request: {method: _reloadSources, params: {pause: true, rootLibUri: file:///data/user/0/com.keyboardcrumbs.haclient/code_cache/ha_clientSYJJZI/ha_client/lib/main.dart.incremental.dill, packagesUri: file:///data/user/0/com.keyboardcrumbs.haclient/code_cache/ha_clientSYJJZI/ha_client/.packages, isolateId: isolates/68989666}}, details: Isolate must be runnable before this request is made.}}
+
+```
+null```
+
+## flutter doctor
+
+```
+[✓] Flutter (Channel stable, v1.7.8+hotfix.4, on Linux, locale en_US.UTF-8)
+    • Flutter version 1.7.8+hotfix.4 at /home/estevez/sdk/flutter
+    • Framework revision 20e59316b8 (6 weeks ago), 2019-07-18 20:04:33 -0700
+    • Engine revision fee001c93f
+    • Dart version 2.4.0
+
+[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
+    • Android SDK at /home/estevez/Android/Sdk
+    • Android NDK location not configured (optional; useful for native profiling support)
+    • Platform android-29, build-tools 29.0.2
+    • Java binary at: /home/estevez/bin/android-studio/jre/bin/java
+    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
+    • All Android licenses accepted.
+
+[✓] Android Studio (version 3.5)
+    • Android Studio at /home/estevez/bin/android-studio
+    • Flutter plugin version 38.2.3
+    • Dart plugin version 191.8423
+    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
+
+[✓] Connected device (1 available)
+    • Pixel 3 XL • 89AY052S4 • android-arm64 • Android 9 (API 28)
+
+• No issues found!
+```

flutter_02.log

@@ -0,0 +1,41 @@
+Flutter crash report; please file at https://github.com/flutter/flutter/issues.
+
+## command
+
+flutter --no-color run --machine --track-widget-creation --device-id=89AY052S4 lib/main.dart
+
+## exception
+
+_InternalLinkedHashMap<String, dynamic>: {code: 105, message: Isolate must be runnable, data: {request: {method: _reloadSources, params: {pause: true, rootLibUri: file:///data/user/0/com.keyboardcrumbs.haclient/code_cache/ha_clientWYMXDL/ha_client/lib/main.dart.incremental.dill, packagesUri: file:///data/user/0/com.keyboardcrumbs.haclient/code_cache/ha_clientWYMXDL/ha_client/.packages, isolateId: isolates/289688365}}, details: Isolate must be runnable before this request is made.}}
+
+```
+null```
+
+## flutter doctor
+
+```
+[✓] Flutter (Channel stable, v1.7.8+hotfix.4, on Linux, locale en_US.UTF-8)
+    • Flutter version 1.7.8+hotfix.4 at /home/estevez/sdk/flutter
+    • Framework revision 20e59316b8 (6 weeks ago), 2019-07-18 20:04:33 -0700
+    • Engine revision fee001c93f
+    • Dart version 2.4.0
+
+[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
+    • Android SDK at /home/estevez/Android/Sdk
+    • Android NDK location not configured (optional; useful for native profiling support)
+    • Platform android-29, build-tools 29.0.2
+    • Java binary at: /home/estevez/bin/android-studio/jre/bin/java
+    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
+    • All Android licenses accepted.
+
+[✓] Android Studio (version 3.5)
+    • Android Studio at /home/estevez/bin/android-studio
+    • Flutter plugin version 38.2.3
+    • Dart plugin version 191.8423
+    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
+
+[✓] Connected device (1 available)
+    • Pixel 3 XL • 89AY052S4 • android-arm64 • Android 9 (API 28)
+
+• No issues found!
+```

flutter_03.log

@@ -0,0 +1,41 @@
+Flutter crash report; please file at https://github.com/flutter/flutter/issues.
+
+## command
+
+flutter --no-color run --machine --track-widget-creation --device-id=89AY052S4 lib/main.dart
+
+## exception
+
+_InternalLinkedHashMap<String, dynamic>: {code: 105, message: Isolate must be runnable, data: {request: {method: _reloadSources, params: {pause: true, rootLibUri: file:///data/user/0/com.keyboardcrumbs.haclient/code_cache/ha_clientLNSJAH/ha_client/lib/main.dart.incremental.dill, packagesUri: file:///data/user/0/com.keyboardcrumbs.haclient/code_cache/ha_clientLNSJAH/ha_client/.packages, isolateId: isolates/866521062}}, details: Isolate must be runnable before this request is made.}}
+
+```
+null```
+
+## flutter doctor
+
+```
+[✓] Flutter (Channel stable, v1.7.8+hotfix.4, on Linux, locale en_US.UTF-8)
+    • Flutter version 1.7.8+hotfix.4 at /home/estevez/sdk/flutter
+    • Framework revision 20e59316b8 (6 weeks ago), 2019-07-18 20:04:33 -0700
+    • Engine revision fee001c93f
+    • Dart version 2.4.0
+
+[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
+    • Android SDK at /home/estevez/Android/Sdk
+    • Android NDK location not configured (optional; useful for native profiling support)
+    • Platform android-29, build-tools 29.0.2
+    • Java binary at: /home/estevez/bin/android-studio/jre/bin/java
+    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
+    • All Android licenses accepted.
+
+[✓] Android Studio (version 3.5)
+    • Android Studio at /home/estevez/bin/android-studio
+    • Flutter plugin version 38.2.3
+    • Dart plugin version 191.8423
+    • Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
+
+[✓] Connected device (1 available)
+    • Pixel 3 XL • 89AY052S4 • android-arm64 • Android 9 (API 28)
+
+• No issues found!
+```

lib/entities/climate/widgets/climate_controls.dart

@@ -408,53 +408,4 @@ class _ClimateControlWidgetState extends State<ClimateControlWidget> {
     super.dispose();
   }
 
-}
-
-class TemperatureControlWidget extends StatelessWidget {
-  final double value;
-  final double fontSize;
-  final Color fontColor;
-  final onInc;
-  final onDec;
-
-  TemperatureControlWidget(
-      {Key key,
-        @required this.value,
-        @required this.onInc,
-        @required this.onDec,
-        this.fontSize,
-        this.fontColor})
-      : super(key: key);
-
-  @override
-  Widget build(BuildContext context) {
-    return Row(
-      crossAxisAlignment: CrossAxisAlignment.center,
-      children: <Widget>[
-        Text(
-          "$value",
-          style: TextStyle(
-              fontSize: fontSize ?? 24.0,
-              color: fontColor ?? Colors.black
-          ),
-        ),
-        Column(
-          children: <Widget>[
-            IconButton(
-              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
-                  'mdi:chevron-up')),
-              iconSize: 30.0,
-              onPressed: () => onInc(),
-            ),
-            IconButton(
-              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
-                  'mdi:chevron-down')),
-              iconSize: 30.0,
-              onPressed: () => onDec(),
-            )
-          ],
-        )
-      ],
-    );
-  }
 }

lib/entities/climate/widgets/temperature_control_widget.dart

@@ -0,0 +1,50 @@
+part of '../../../main.dart';
+
+class TemperatureControlWidget extends StatelessWidget {
+  final double value;
+  final double fontSize;
+  final Color fontColor;
+  final onInc;
+  final onDec;
+
+  TemperatureControlWidget(
+      {Key key,
+        @required this.value,
+        @required this.onInc,
+        @required this.onDec,
+        this.fontSize,
+        this.fontColor})
+      : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: <Widget>[
+        Text(
+          "$value",
+          style: TextStyle(
+              fontSize: fontSize ?? 24.0,
+              color: fontColor ?? Colors.black
+          ),
+        ),
+        Column(
+          children: <Widget>[
+            IconButton(
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
+                  'mdi:chevron-up')),
+              iconSize: 30.0,
+              onPressed: () => onInc(),
+            ),
+            IconButton(
+              icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
+                  'mdi:chevron-down')),
+              iconSize: 30.0,
+              onPressed: () => onDec(),
+            )
+          ],
+        )
+      ],
+    );
+  }
+}

lib/entities/entity_wrapper.class.dart

@@ -60,7 +60,7 @@ class EntityWrapper {
           //TODO handle local urls
           Logger.w("Local urls is not supported yet");
         } else {
-          HAUtils.launchURL(uiAction.tapService);
+          Launcher.launchURL(uiAction.tapService);
         }
         break;
       }
@@ -100,7 +100,7 @@ class EntityWrapper {
             //TODO handle local urls
             Logger.w("Local urls is not supported yet");
           } else {
-            HAUtils.launchURL(uiAction.holdService);
+            Launcher.launchURL(uiAction.holdService);
           }
           break;
         }

lib/entities/text/widgets/text_input_state.dart

@@ -73,13 +73,7 @@ class _TextInputStateWidgetState extends State<TextInputStateWidget> {
         child: TextField(
             focusNode: _focusNode,
             obscureText: entity.isPasswordField,
-            controller: new TextEditingController.fromValue(
+            controller: TextEditingController.fromValue(TextEditingValue(text: _tmpValue)),
-                new TextEditingValue(
-                    text: _tmpValue,
-                    selection:
-                    new TextSelection.collapsed(offset: _tmpValue.length)
-                )
-            ),
             onChanged: (value) {
               _tmpValue = value;
             }),

lib/entity_widgets/common/camera_stream_view.dart

@@ -47,7 +47,7 @@ class _CameraStreamViewState extends State<CameraStreamView> {
           .entity;
       started = true;
     }
-    streamUrl = '${Connection().httpWebHost}/api/camera_proxy_stream/${_entity
+    streamUrl = '${ConnectionManager().httpWebHost}/api/camera_proxy_stream/${_entity
         .entityId}?token=${_entity.attributes['access_token']}';
     return Column(
       children: <Widget>[

lib/entity_widgets/history_chart/combined_history_chart.dart

@@ -148,7 +148,7 @@ class _CombinedHistoryChartWidgetState extends State<CombinedHistoryChartWidget>
     });
 
     if ((_selectedId == -1) && (numericDataLists.isNotEmpty)) {
-      _selectedId = 0;
+      _selectedId = numericDataLists.length -1;
     }
     List<charts.Series<EntityHistoryMoment, DateTime>> result = [];
     numericDataLists.forEach((attrName, dataList) {
@@ -202,6 +202,11 @@ class _CombinedHistoryChartWidgetState extends State<CombinedHistoryChartWidget>
         _selectedId -= 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = _parsedHistory.first.data.length - 1;
+      });
+    }
   }
 
   void _selectNext() {
@@ -210,6 +215,12 @@ class _CombinedHistoryChartWidgetState extends State<CombinedHistoryChartWidget>
         _selectedId += 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = 0;
+      });
+
+    }
   }
 
   void _onSelectionChanged(charts.SelectionModel model) {

lib/entity_widgets/history_chart/entity_history.dart

@@ -47,7 +47,7 @@ class _EntityHistoryWidgetState extends State<EntityHistoryWidget> {
     }
     if (_historyLastUpdated == null || now.difference(_historyLastUpdated).inSeconds > 30) {
       _historyLastUpdated = now;
-      Connection().getHistory(entityId).then((history){
+      ConnectionManager().getHistory(entityId).then((history){
         if (!_disposed) {
           setState(() {
             _history = history.isNotEmpty ? history[0] : [];

lib/entity_widgets/history_chart/numeric_state_history_chart.dart

@@ -103,7 +103,7 @@ class _NumericStateHistoryChartWidgetState extends State<NumericStateHistoryChar
         id: widget.rawHistory.length
     ));
     if (_selectedId == -1) {
-      _selectedId = 0;
+      _selectedId = data.length - 1;
     }
     return [
       new charts.Series<EntityHistoryMoment, DateTime>(
@@ -132,6 +132,11 @@ class _NumericStateHistoryChartWidgetState extends State<NumericStateHistoryChar
         _selectedId -= 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = _parsedHistory.first.data.length - 1;
+      });
+    }
   }
 
   void _selectNext() {
@@ -140,6 +145,12 @@ class _NumericStateHistoryChartWidgetState extends State<NumericStateHistoryChar
         _selectedId += 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = 0;
+      });
+
+    }
   }
 
   void _onSelectionChanged(charts.SelectionModel model) {

lib/entity_widgets/history_chart/simple_state_history_chart.dart

@@ -101,7 +101,7 @@ class _SimpleStateHistoryChartWidgetState extends State<SimpleStateHistoryChartW
         colorId: data.last.colorId
     ));
     if (_selectedId == -1) {
-      _selectedId = 0;
+      _selectedId = data.length - 1;
     }
     return [
       new charts.Series<EntityHistoryMoment, DateTime>(
@@ -137,14 +137,25 @@ class _SimpleStateHistoryChartWidgetState extends State<SimpleStateHistoryChartW
         _selectedId -= 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = _parsedHistory.first.data.length - 1;
+      });
+    }
   }
 
   void _selectNext() {
-    if (_selectedId < (_parsedHistory.first.data.length - 2)) {
+    if (_selectedId < (_parsedHistory.first.data.length - 1)) {
       setState(() {
         _selectedId += 1;
       });
     }
+    else {
+      setState(() {
+        _selectedId = 0;
+      });
+
+    }
   }
 
   void _onSelectionChanged(charts.SelectionModel model) {

lib/home_assistant.class.dart

@@ -23,7 +23,7 @@ class HomeAssistant {
   Duration fetchTimeout = Duration(seconds: 30);
 
   String get locationName {
-    if (Connection().useLovelace) {
+    if (ConnectionManager().useLovelace) {
       return ui?.title ?? "";
     } else {
       return _instanceConfig["location_name"] ?? "";
@@ -36,8 +36,8 @@ class HomeAssistant {
   bool get isMobileAppEnabled => _instanceConfig["components"] != null && (_instanceConfig["components"] as List).contains("mobile_app");
 
   HomeAssistant._internal() {
-    Connection().onStateChangeCallback = _handleEntityStateChange;
+    ConnectionManager().onStateChangeCallback = _handleEntityStateChange;
-    Device().loadDeviceInfo();
+    DeviceInfoManager().loadDeviceInfo();
   }
 
   Completer _fetchCompleter;
@@ -47,18 +47,18 @@ class HomeAssistant {
       Logger.w("Previous data fetch is not completed yet");
       return _fetchCompleter.future;
     }
-    if (entities == null) entities = EntityCollection(Connection().httpWebHost);
+    if (entities == null) entities = EntityCollection(ConnectionManager().httpWebHost);
     _fetchCompleter = Completer();
     List<Future> futures = [];
     futures.add(_getStates());
-    if (Connection().useLovelace) {
+    if (ConnectionManager().useLovelace) {
       futures.add(_getLovelace());
     }
     futures.add(_getConfig());
     futures.add(_getServices());
     futures.add(_getUserInfo());
     futures.add(_getPanels());
-    futures.add(Connection().sendSocketMessage(
+    futures.add(ConnectionManager().sendSocketMessage(
       type: "subscribe_events",
       additionalData: {"event_type": "state_changed"},
     ));
@@ -66,9 +66,9 @@ class HomeAssistant {
       if (isMobileAppEnabled) {
         _createUI();
         _fetchCompleter.complete();
-        checkAppRegistration();
+        MobileAppIntegrationManager.checkAppRegistration();
       } else {
-        _fetchCompleter.completeError(HAError("Mobile app component not found", actions: [HAErrorAction.tryAgain(), HAErrorAction(type: HAErrorActionType.URL ,title: "Help",url: "http://ha-client.homemade.systems/docs#mobile-app")]));
+        _fetchCompleter.completeError(HAError("Mobile app component not found", actions: [HAErrorAction.tryAgain(), HAErrorAction(type: HAErrorActionType.URL ,title: "Help",url: "http://ha-client.homemade.systems/docs#mobile-app-integration")]));
       }
     }).catchError((e) {
       _fetchCompleter.completeError(e);
@@ -78,133 +78,15 @@ class HomeAssistant {
 
   Future logout() async {
     Logger.d("Logging out...");
-    await Connection().logout().then((_) {
+    await ConnectionManager().logout().then((_) {
       ui?.clear();
       entities?.clear();
       panels?.clear();
     });
   }
 
-  Map _getAppRegistrationData() {
-    return {
-      "app_version": "$appVersion",
-      "device_name": "$userName's ${Device().model}",
-      "manufacturer": Device().manufacturer,
-      "model": Device().model,
-      "os_version": Device().osVersion,
-      "app_data": {
-        "push_token": "$fcmToken",
-        "push_url": "https://us-central1-ha-client-c73c4.cloudfunctions.net/sendPushNotification"
-      }
-    };
-  }
-
-  Future checkAppRegistration({bool forceRegister: false, bool showOkDialog: false}) {
-    Completer completer = Completer();
-    if (Connection().webhookId == null || forceRegister) {
-      Logger.d("Mobile app was not registered yet or need to be reseted. Registering...");
-      var registrationData = _getAppRegistrationData();
-      registrationData.addAll({
-        "app_id": "ha_client",
-        "app_name": "$appName",
-        "os_name": Device().osName,
-        "supports_encryption": false,
-      });
-      Connection().sendHTTPPost(
-              endPoint: "/api/mobile_app/registrations",
-              includeAuthHeader: true,
-              data: json.encode(registrationData)
-          ).then((response) {
-            Logger.d("Processing registration responce...");
-            var responseObject = json.decode(response);
-            SharedPreferences.getInstance().then((prefs) {
-              prefs.setString("app-webhook-id", responseObject["webhook_id"]);
-              Connection().webhookId = responseObject["webhook_id"];
-              completer.complete();
-              eventBus.fire(ShowPopupDialogEvent(
-                title: "Mobile app Integration was created",
-                body: "HA Client was registered as MobileApp in your Home Assistant. To start using notifications you need to restart your Home Assistant",
-                positiveText: "Restart now",
-                negativeText: "Later",
-                onPositive: () {
-                  Connection().callService(domain: "homeassistant", service: "restart", entityId: null);
-                },
-              ));
-            });
-          }).catchError((e) {
-            completer.complete();
-            Logger.e("Error registering the app: ${e.toString()}");
-          });
-      return completer.future;
-    } else {
-      Logger.d("App was previously registered. Checking...");
-      var updateData = {
-        "type": "update_registration",
-        "data": _getAppRegistrationData()
-      };
-      Connection().sendHTTPPost(
-          endPoint: "/api/webhook/${Connection().webhookId}",
-          includeAuthHeader: false,
-          data: json.encode(updateData)
-      ).then((response) {
-        if (response == null || response.isEmpty) {
-          Logger.d("No registration data in response. MobileApp integration was removed");
-          _askToRegisterApp();
-        } else {
-          Logger.d("App registration works fine");
-          if (showOkDialog) {
-            eventBus.fire(ShowPopupDialogEvent(
-                title: "All good",
-                body: "HA Client integration with your Home Assistant server works fine",
-                positiveText: "Nice!",
-                negativeText: "Ok"
-            ));
-          }
-        }
-        completer.complete();
-      }).catchError((e) {
-        if (e['code'] != null && e['code'] == 410) {
-          Logger.e("MobileApp integration was removed");
-          _askToRegisterApp();
-        } else {
-          Logger.e("Error updating app registration: ${e.toString()}");
-          eventBus.fire(ShowPopupDialogEvent(
-            title: "App integration is not working properly",
-            body: "Something wrong with HA Client integration on your Home Assistant server. Please report this issue.",
-            positiveText: "Report to GitHub",
-            negativeText: "Report to Discord",
-            onPositive: () {
-              HAUtils.launchURL("https://github.com/estevez-dev/ha_client/issues/new");
-            },
-            onNegative: () {
-              HAUtils.launchURL("https://discord.gg/AUzEvwn");
-            },
-          ));
-        }
-        completer.complete();
-      });
-      return completer.future;
-    }
-  }
-
-  void _askToRegisterApp() {
-    eventBus.fire(ShowPopupDialogEvent(
-      title: "App integration was removed",
-      body: "Looks like app integration was removed from your Home Assistant. HA Client needs to be registered on your Home Assistant server to make it possible to use notifications and other useful stuff.",
-      positiveText: "Register now",
-      negativeText: "Cancel",
-      onPositive: () {
-        SharedPreferences.getInstance().then((prefs) {
-          prefs.remove("app-webhook-id");
-          Connection().webhookId = null;
-          HomeAssistant().checkAppRegistration();
-        });
-      },
-    ));
-  }
-
   Future _getConfig() async {
-    await Connection().sendSocketMessage(type: "get_config").then((data) {
+    await ConnectionManager().sendSocketMessage(type: "get_config").then((data) {
       _instanceConfig = Map.from(data);
     }).catchError((e) {
       throw HAError("Error getting config: ${e}");
@@ -212,7 +94,7 @@ class HomeAssistant {
   }
 
   Future _getStates() async {
-    await Connection().sendSocketMessage(type: "get_states").then(
+    await ConnectionManager().sendSocketMessage(type: "get_states").then(
             (data) => entities.parse(data)
     ).catchError((e) {
       throw HAError("Error getting states: $e");
@@ -220,27 +102,27 @@ class HomeAssistant {
   }
 
   Future _getLovelace() async {
-    await Connection().sendSocketMessage(type: "lovelace/config").then((data) => _rawLovelaceData = data).catchError((e) {
+    await ConnectionManager().sendSocketMessage(type: "lovelace/config").then((data) => _rawLovelaceData = data).catchError((e) {
       throw HAError("Error getting lovelace config: $e");
     });
   }
 
   Future _getUserInfo() async {
     _userName = null;
-    await Connection().sendSocketMessage(type: "auth/current_user").then((data) => _userName = data["name"]).catchError((e) {
+    await ConnectionManager().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) {
+    await ConnectionManager().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) {
+    await ConnectionManager().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(
@@ -309,7 +191,7 @@ class HomeAssistant {
         HACard card = HACard(
             id: "card",
             name: rawCardInfo["title"] ?? rawCardInfo["name"],
-            type: rawCardInfo['type'],
+            type: rawCardInfo['type'] ?? CardType.entities,
             columnsCount: rawCardInfo['columns'] ?? 4,
             showName: rawCardInfo['show_name'] ?? true,
             showState: rawCardInfo['show_state'] ?? true,
@@ -423,7 +305,7 @@ class HomeAssistant {
 
   void _createUI() {
     ui = HomeAssistantUI();
-    if ((Connection().useLovelace) && (_rawLovelaceData != null)) {
+    if ((ConnectionManager().useLovelace) && (_rawLovelaceData != null)) {
       Logger.d("Creating Lovelace UI");
       _parseLovelace();
     } else {

lib/main.dart

@@ -1,6 +1,5 @@
 import 'dart:convert';
 import 'dart:async';
-import 'dart:typed_data';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -15,7 +14,6 @@ import 'package:http/http.dart' as http;
 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';
@@ -25,6 +23,7 @@ import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:in_app_purchase/in_app_purchase.dart';
 
 part 'const.dart';
+part 'utils/launcher.dart';
 part 'entities/entity.class.dart';
 part 'entities/entity_wrapper.class.dart';
 part 'entities/timer/timer_entity.class.dart';
@@ -81,6 +80,7 @@ part 'entities/cover/widgets/cover_state.dart';
 part 'entities/date_time/widgets/date_time_state.dart';
 part 'entities/lock/widgets/lock_state.dart';
 part 'entities/climate/widgets/climate_controls.dart';
+part 'entities/climate/widgets/temperature_control_widget.dart';
 part 'entities/cover/widgets/cover_controls.widget.dart';
 part 'entities/light/widgets/light_controls.dart';
 part 'entities/media_player/widgets/media_player_widgets.dart';
@@ -92,15 +92,18 @@ part 'pages/widgets/product_purchase.widget.dart';
 part 'pages/widgets/page_loading_indicator.dart';
 part 'pages/widgets/page_loading_error.dart';
 part 'pages/panel.page.dart';
+part 'pages/main.page.dart';
 part 'home_assistant.class.dart';
 part 'pages/log.page.dart';
 part 'pages/entity.page.dart';
-part 'utils.class.dart';
 part 'mdi.class.dart';
 part 'entity_collection.class.dart';
-part 'auth_manager.class.dart';
+part 'managers/auth_manager.class.dart';
-part 'connection.class.dart';
+part 'managers/location_manager.class.dart';
-part 'device.class.dart';
+part 'managers/mobile_app_integration_manager.class.dart';
+part 'managers/connection_manager.class.dart';
+part 'managers/device_info_manager.class.dart';
+part 'managers/startup_user_messages_manager.class.dart';
 part 'ui_class/ui.dart';
 part 'ui_class/view.class.dart';
 part 'ui_class/card.class.dart';
@@ -109,16 +112,20 @@ 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';
+part 'panels/config_panel_widget.dart';
+part 'panels/widgets/link_to_web_config.dart';
+part 'utils/logger.dart';
+part 'types/ha_error.dart';
+part 'types/event_bus_events.dart';
 
 
 EventBus eventBus = new EventBus();
 final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
 FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = new FlutterLocalNotificationsPlugin();
 const String appName = "HA Client";
-const appVersion = "0.6.4";
+const appVersion = "0.6.5";
 
-void main() {
+void main() async {
   FlutterError.onError = (errorDetails) {
     Logger.e( "${errorDetails.exception}");
     if (Logger.isInDebugMode) {
@@ -127,7 +134,11 @@ void main() {
   };
 
   runZoned(() {
-    runApp(new HAClientApp());
+    //AndroidAlarmManager.initialize().then((_) {
+      runApp(new HAClientApp());
+    //  print("Running MAIN isolate ${Isolate.current.hashCode}");
+    //});
+
   }, onError: (error, stack) {
     Logger.e("$error");
     Logger.e("$stack");
@@ -139,7 +150,6 @@ void main() {
 
 class HAClientApp extends StatelessWidget {
 
-  final HomeAssistant homeAssistant = HomeAssistant();
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
@@ -150,778 +160,39 @@ class HAClientApp extends StatelessWidget {
       ),
       initialRoute: "/",
       routes: {
-        "/": (context) => MainPage(title: 'HA Client', homeAssistant: homeAssistant,),
+        "/": (context) => MainPage(title: 'HA Client'),
         "/connection-settings": (context) => ConnectionSettingsPage(title: "Settings"),
-        "/configuration": (context) => PanelPage(title: "Configuration"),
         "/putchase": (context) => PurchasePage(title: "Support app development"),
         "/log-view": (context) => LogViewPage(title: "Log"),
         "/login": (context) => WebviewScaffold(
-          url: "${Connection().oauthUrl}",
+          url: "${ConnectionManager().oauthUrl}",
           appBar: new AppBar(
             leading: IconButton(
                 icon: Icon(Icons.help),
-                onPressed: () => HAUtils.launchURLInCustomTab(context: context, url: "http://ha-client.homemade.systems/docs#authentication")
+                onPressed: () => Launcher.launchURLInCustomTab(context: context, url: "http://ha-client.homemade.systems/docs#authentication")
             ),
             title: new Text("Login with HA"),
             actions: <Widget>[
               FlatButton(
                 child: Text("Manual", style: TextStyle(color: Colors.white)),
                 onPressed: () {
-                  Navigator.of(context).pop();
+                  eventBus.fire(ShowPageEvent(path: "/connection-settings", goBackFirst: true));
-                  Navigator.of(context).pushNamed("/connection-settings");
                 },
               )
             ],
           ),
-        )
-      },
-    );
-  }
-}
-
-class MainPage extends StatefulWidget {
-  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, TickerProviderStateMixin {
-
-  StreamSubscription<List<PurchaseDetails>> _subscription;
-  StreamSubscription _stateSubscription;
-  StreamSubscription _settingsSubscription;
-  StreamSubscription _serviceCallSubscription;
-  StreamSubscription _showEntityPageSubscription;
-  StreamSubscription _showErrorSubscription;
-  StreamSubscription _startAuthSubscription;
-  StreamSubscription _showPopupDialogSubscription;
-  StreamSubscription _showPopupMessageSubscription;
-  StreamSubscription _reloadUISubscription;
-  int _previousViewCount;
-  bool _showLoginButton = false;
-
-  @override
-  void initState() {
-    final Stream purchaseUpdates =
-        InAppPurchaseConnection.instance.purchaseUpdatedStream;
-    _subscription = purchaseUpdates.listen((purchases) {
-      _handlePurchaseUpdates(purchases);
-    });
-    super.initState();
-    WidgetsBinding.instance.addObserver(this);
-
-    _firebaseMessaging.configure(
-        onLaunch: (data) {
-          Logger.d("Notification [onLaunch]: $data");
-        },
-        onMessage: (data) {
-          Logger.d("Notification [onMessage]: $data");
-          _showNotification(title: data["notification"]["title"], text: data["notification"]["body"]);
-        },
-        onResume: (data) {
-          Logger.d("Notification [onResume]: $data");
-        }
-    );
-
-    _firebaseMessaging.requestNotificationPermissions(const IosNotificationSettings(sound: true, badge: true, alert: true));
-
-    // initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
-    var initializationSettingsAndroid =
-    new AndroidInitializationSettings('mini_icon');
-    var initializationSettingsIOS = new IOSInitializationSettings(
-        onDidReceiveLocalNotification: null);
-    var initializationSettings = new InitializationSettings(
-        initializationSettingsAndroid, initializationSettingsIOS);
-    flutterLocalNotificationsPlugin.initialize(initializationSettings,
-        onSelectNotification: onSelectNotification);
-
-    _settingsSubscription = eventBus.on<SettingsChangedEvent>().listen((event) {
-      Logger.d("Settings change event: reconnect=${event.reconnect}");
-      if (event.reconnect) {
-        _fullLoad();
-      }
-    });
-
-    _fullLoad();
-  }
-
-  Future onSelectNotification(String payload) async {
-    if (payload != null) {
-      Logger.d('Notification clicked: ' + payload);
-    }
-  }
-
-  Future _showNotification({String title, String text}) async {
-    var androidPlatformChannelSpecifics = new AndroidNotificationDetails(
-        'ha_notify', 'Home Assistant notifications', 'Notifications from Home Assistant notify service',
-        importance: Importance.Max, priority: Priority.High);
-    var iOSPlatformChannelSpecifics = new IOSNotificationDetails();
-    var platformChannelSpecifics = new NotificationDetails(
-        androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
-    await flutterLocalNotificationsPlugin.show(
-      0,
-      title ?? appName,
-      text,
-      platformChannelSpecifics
-    );
-  }
-
-  void _fullLoad() async {
-    _showInfoBottomBar(progress: true,);
-    _subscribe().then((_) {
-      Connection().init(loadSettings: true, forceReconnect: true).then((__){
-        _fetchData();
-      }, onError: (e) {
-        _setErrorState(e);
-      });
-    });
-  }
-
-  void _quickLoad() {
-    _hideBottomBar();
-    _showInfoBottomBar(progress: true,);
-    Connection().init(loadSettings: false, forceReconnect: false).then((_){
-      _fetchData();
-    }, onError: (e) {
-      _setErrorState(e);
-    });
-  }
-
-  _fetchData() async {
-    await widget.homeAssistant.fetchData().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) {
-      if (e is HAError) {
-        _setErrorState(e);
-      } else {
-        _setErrorState(HAError(e.toString()));
-      }
-    });
-    eventBus.fire(RefreshDataFinishedEvent());
-  }
-
-  @override
-  void didChangeAppLifecycleState(AppLifecycleState state) {
-    Logger.d("$state");
-    if (state == AppLifecycleState.resumed && Connection().settingsLoaded) {
-      _quickLoad();
-    }
-  }
-  
-  void _handlePurchaseUpdates(purchase) {
-    if (purchase is List<PurchaseDetails>) {
-      if (purchase[0].status == PurchaseStatus.purchased) {
-        eventBus.fire(ShowPopupMessageEvent(
-            title: "Thanks a lot!",
-            body: "Thank you for supporting HA Client development!",
-            buttonText: "Ok"
-        ));
-      }
-    } else {
-      Logger.e("Something wrong with purchase handling. Got: $purchase");
-    }
-  }
-
-  Future _subscribe() {
-    Completer completer = Completer();
-    if (_stateSubscription == null) {
-      _stateSubscription = eventBus.on<StateChangedEvent>().listen((event) {
-        if (event.needToRebuildUI) {
-          Logger.d("New entity. Need to rebuild UI");
-          _quickLoad();
-        } else {
-          setState(() {});
-        }
-      });
-    }
-    if (_reloadUISubscription == null) {
-      _reloadUISubscription = eventBus.on<ReloadUIEvent>().listen((event){
-        _quickLoad();
-      });
-    }
-    if (_showPopupDialogSubscription == null) {
-      _showPopupDialogSubscription = eventBus.on<ShowPopupDialogEvent>().listen((event){
-        _showPopupDialog(
-          title: event.title,
-          body: event.body,
-          onPositive: event.onPositive,
-          onNegative: event.onNegative,
-          positiveText: event.positiveText,
-          negativeText: event.negativeText
-        );
-      });
-    }
-    if (_showPopupMessageSubscription == null) {
-      _showPopupMessageSubscription = eventBus.on<ShowPopupMessageEvent>().listen((event){
-        _showPopupDialog(
-            title: event.title,
-            body: event.body,
-            onPositive: event.onButtonClick,
-            positiveText: event.buttonText,
-            negativeText: null
-        );
-      });
-    }
-    if (_serviceCallSubscription == null) {
-      _serviceCallSubscription =
-          eventBus.on<ServiceCallEvent>().listen((event) {
-            _callService(event.domain, event.service, event.entityId,
-                event.additionalParams);
-          });
-    }
-
-    if (_showEntityPageSubscription == null) {
-      _showEntityPageSubscription =
-          eventBus.on<ShowEntityPageEvent>().listen((event) {
-            _showEntityPage(event.entity.entityId);
-          });
-    }
-
-    if (_showErrorSubscription == null) {
-      _showErrorSubscription = eventBus.on<ShowErrorEvent>().listen((event){
-        _showErrorBottomBar(event.error);
-      });
-    }
-
-    if (_startAuthSubscription == null) {
-      _startAuthSubscription = eventBus.on<StartAuthEvent>().listen((event){
-        setState(() {
-          _showLoginButton = event.showButton;
-        });
-        if (event.showButton) {
-          _showOAuth();
-        } else {
-          Navigator.of(context).pop();
-        }
-      });
-    }
-
-    _firebaseMessaging.getToken().then((String token) {
-      HomeAssistant().fcmToken = token;
-      completer.complete();
-    });
-    return completer.future;
-  }
-
-  void _showOAuth() {
-    Navigator.of(context).pushNamed('/login');
-  }
-
-  _setErrorState(HAError e) {
-    if (e == null) {
-      _showErrorBottomBar(
-        HAError("Unknown error")
-      );
-    } else {
-      _showErrorBottomBar(e);
-    }
-  }
-
-  void _showPopupDialog({String title, String body, var onPositive, var onNegative, String positiveText, String negativeText}) {
-    List<Widget> buttons = [];
-    buttons.add(FlatButton(
-      child: new Text("$positiveText"),
-      onPressed: () {
-        Navigator.of(context).pop();
-        if (onPositive != null) {
-          onPositive();
-        }
-      },
-    ));
-    if (negativeText != null) {
-      buttons.add(FlatButton(
-        child: new Text("$negativeText"),
-        onPressed: () {
-          Navigator.of(context).pop();
-          if (onNegative != null) {
-            onNegative();
-          }
-        },
-      ));
-    }
-    // flutter defined function
-    showDialog(
-      barrierDismissible: false,
-      context: context,
-      builder: (BuildContext context) {
-        // return object of type Dialog
-        return AlertDialog(
-          title: new Text("$title"),
-          content: new Text("$body"),
-          actions: buttons,
-        );
-      },
-    );
-  }
-
-  void _callService(String domain, String service, String entityId, Map additionalParams) {
-    _showInfoBottomBar(
-      message: "Calling $domain.$service",
-      duration: Duration(seconds: 3)
-    );
-    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: widget.homeAssistant),
-        )
-    );
-  }
-
-  List<Tab> buildUIViewTabs() {
-    List<Tab> result = [];
-
-      if (widget.homeAssistant.ui.views.isNotEmpty) {
-        widget.homeAssistant.ui.views.forEach((HAView view) {
-          result.add(view.buildTab());
-        });
-      }
-
-    return result;
-  }
-
-  Drawer _buildAppDrawer() {
-    List<Widget> menuItems = [];
-    menuItems.add(
-        UserAccountsDrawerHeader(
-          accountName: Text(widget.homeAssistant.userName),
-          accountEmail: Text(Connection().displayHostname ?? "Not configured"),
-          /*onDetailsPressed: () {
-            setState(() {
-              _accountMenuExpanded = !_accountMenuExpanded;
-            });
-          },*/
-          currentAccountPicture: CircleAvatar(
-            child: Text(
-              widget.homeAssistant.userAvatarText,
-              style: TextStyle(
-                  fontSize: 32.0
-              ),
-            ),
-          ),
-        )
-    );
-      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("${panel.title}"),
-                    onTap: () {
-                      Navigator.of(context).pop();
-                      panel.handleOpen(context);
-                    }
-                )
-            );
-          }
-        });
-      }
-      //TODO check for loaded
-      menuItems.add(
-          new ListTile(
-            leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:home-assistant")),
-            title: Text("Open Web UI"),
-            onTap: () => HAUtils.launchURL(Connection().httpWebHost),
-          )
-      );
-      menuItems.addAll([
-        Divider(),
-        ListTile(
-          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:login-variant")),
-          title: Text("Connection settings"),
-          onTap: () {
-            Navigator.of(context).pop();
-            Navigator.of(context).pushNamed('/connection-settings', arguments: {"homeAssistant", widget.homeAssistant});
-          },
-        )
-      ]);
-      menuItems.addAll([
-        Divider(),
-        new ListTile(
-          leading: Icon(Icons.insert_drive_file),
-          title: Text("Log"),
-          onTap: () {
-            Navigator.of(context).pop();
-            Navigator.of(context).pushNamed('/log-view');
-          },
         ),
-        new ListTile(
+        "/webview": (context) => WebviewScaffold(
-          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:github-circle")),
+          url: "${(ModalRoute.of(context).settings.arguments as Map)['url']}",
-          title: Text("Report an issue"),
+          appBar: new AppBar(
-          onTap: () {
-            Navigator.of(context).pop();
-            HAUtils.launchURL("https://github.com/estevez-dev/ha_client/issues/new");
-          },
-        ),
-        Divider(),
-        new ListTile(
-          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:food")),
-          title: Text("Support app development"),
-          onTap: () {
-            Navigator.of(context).pop();
-            Navigator.of(context).pushNamed('/putchase');
-          },
-        ),
-        Divider(),
-        new ListTile(
-          leading: Icon(Icons.help),
-          title: Text("Help"),
-          onTap: () {
-            Navigator.of(context).pop();
-            HAUtils.launchURL("http://ha-client.homemade.systems/docs");
-          },
-        ),
-        new ListTile(
-          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:discord")),
-          title: Text("Join Discord channel"),
-          onTap: () {
-            Navigator.of(context).pop();
-            HAUtils.launchURL("https://discord.gg/AUzEvwn");
-          },
-        ),
-        new AboutListTile(
-          aboutBoxChildren: <Widget>[
-            GestureDetector(
-              onTap: () {
-                Navigator.of(context).pop();
-                HAUtils.launchURL("http://ha-client.homemade.systems/");
-              },
-              child: Text(
-                "ha-client.homemade.systems",
-                style: TextStyle(
-                  color: Colors.blue,
-                  decoration: TextDecoration.underline
-                ),
-              ),
-            ),
-            Container(
-              height: 10.0,
-            ),
-            GestureDetector(
-              onTap: () {
-                Navigator.of(context).pop();
-                HAUtils.launchURLInCustomTab(context: context, url: "http://ha-client.homemade.systems/terms_and_conditions");
-              },
-              child: Text(
-                "Terms and Conditions",
-                style: TextStyle(
-                    color: Colors.blue,
-                    decoration: TextDecoration.underline
-                ),
-              ),
-            ),
-            Container(
-              height: 10.0,
-            ),
-            GestureDetector(
-              onTap: () {
-                Navigator.of(context).pop();
-                HAUtils.launchURLInCustomTab(context: context, url: "http://ha-client.homemade.systems/privacy_policy");
-              },
-              child: Text(
-                "Privacy Policy",
-                style: TextStyle(
-                    color: Colors.blue,
-                    decoration: TextDecoration.underline
-                ),
-              ),
-            )
-          ],
-          applicationName: appName,
-          applicationVersion: appVersion
-        )
-      ]);
-    return new Drawer(
-      child: ListView(
-        children: menuItems,
-      ),
-    );
-  }
-
-  void _hideBottomBar() {
-    //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-    setState(() {
-      _showBottomBar = false;
-    });
-  }
-
-  Widget _bottomBarAction;
-  bool _showBottomBar = false;
-  String _bottomBarText;
-  bool _bottomBarProgress;
-  Color _bottomBarColor;
-  Timer _bottomBarTimer;
-
-  void _showInfoBottomBar({String message, bool progress: false, Duration duration}) {
-    _bottomBarTimer?.cancel();
-    _bottomBarAction = Container(height: 0.0, width: 0.0,);
-    _bottomBarColor = Colors.grey.shade50;
-    setState(() {
-      _bottomBarText = message;
-      _bottomBarProgress = progress;
-      _showBottomBar = true;
-    });
-    if (duration != null) {
-      _bottomBarTimer = Timer(duration, () {
-        _hideBottomBar();
-      });
-    }
-  }
-
-  void _showErrorBottomBar(HAError error) {
-    TextStyle textStyle = TextStyle(
-        color: Colors.blue,
-        fontSize: Sizes.nameFontSize
-    );
-    _bottomBarColor = Colors.red.shade100;
-    List<Widget> actions = [];
-    error.actions.forEach((HAErrorAction action) {
-      switch (action.type) {
-        case HAErrorActionType.FULL_RELOAD: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              _fullLoad();
-            },
-          ));
-          break;
-        }
-
-        case HAErrorActionType.QUICK_RELOAD: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              _quickLoad();
-            },
-          ));
-          break;
-        }
-
-        case HAErrorActionType.URL: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              HAUtils.launchURLInCustomTab(context: context, url: "${action.url}");
-            },
-          ));
-          break;
-        }
-
-        case HAErrorActionType.OPEN_CONNECTION_SETTINGS: {
-          actions.add(FlatButton(
-            child: Text("${action.title}", style: textStyle),
-            onPressed: () {
-              Navigator.pushNamed(context, '/connection-settings');
-            },
-          ));
-          break;
-        }
-      }
-    });
-    if (actions.isNotEmpty) {
-      _bottomBarAction = Row(
-        mainAxisSize: MainAxisSize.min,
-        children: actions,
-        mainAxisAlignment: MainAxisAlignment.end,
-      );
-    } else {
-      _bottomBarAction = Container(height: 0.0, width: 0.0,);
-    }
-    setState(() {
-      _bottomBarProgress = false;
-      _bottomBarText = "${error.message}";
-      _showBottomBar = true;
-    });
-  }
-
-  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",
-    ));
-    List<Widget> emptyBody = [
-      Text("."),
-    ];
-    if (Connection().isAuthenticated) {
-      _showLoginButton = false;
-      popupMenuItems.add(
-          PopupMenuItem<String>(
-            child: new Text("Logout"),
-            value: "logout",
-          ));
-    }
-    if (_showLoginButton) {
-      emptyBody = [
-        FlatButton(
-          child: Text("Login with Home Assistant", style: TextStyle(fontSize: 16.0, color: Colors.white)),
-          color: Colors.blue,
-          onPressed: () => _fullLoad(),
-        )
-      ];
-    }
-    return NestedScrollView(
-      headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
-        return <Widget>[
-          SliverAppBar(
-            floating: true,
-            pinned: true,
-            primary: true,
-            title: Text(widget.homeAssistant.locationName ?? ""),
-            actions: <Widget>[
-              IconButton(
-                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: popupMenuItems
-                  ).then((String val) {
-                    if (val == "reload") {
-                      _quickLoad();
-                    } else if (val == "logout") {
-                      widget.homeAssistant.logout().then((_) {
-                        _quickLoad();
-                      });
-                    }
-                  });
-                }
-              )
-            ],
             leading: IconButton(
-              icon: Icon(Icons.menu),
+                icon: Icon(Icons.arrow_back),
-              onPressed: () {
+                onPressed: () => Navigator.of(context).pop()
-                _scaffoldKey.currentState.openDrawer();
-              },
-            ),
-            bottom: empty ? null : TabBar(
-              controller: _viewsTabController,
-              tabs: buildUIViewTabs(),
-              isScrollable: true,
             ),
+            title: new Text("${(ModalRoute.of(context).settings.arguments as Map)['title']}"),
           ),
-
+        )
-        ];
       },
-      body: empty ?
-      Center(
-        child: Column(
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: emptyBody
-        ),
-      )
-          :
-      widget.homeAssistant.buildViews(context, _viewsTabController),
     );
   }
-
+}
-  TabController _viewsTabController;
-
-  @override
-  Widget build(BuildContext context) {
-    Widget bottomBar;
-    if (_showBottomBar) {
-      List<Widget> bottomBarChildren = [];
-      if (_bottomBarText != null) {
-        bottomBarChildren.add(
-          Padding(
-            padding: EdgeInsets.fromLTRB(
-                Sizes.leftWidgetPadding, Sizes.rowPadding, 0.0,
-                Sizes.rowPadding),
-            child: Text(
-              "$_bottomBarText",
-              textAlign: TextAlign.left,
-              softWrap: true,
-            ),
-          )
-
-        );
-      }
-      if (_bottomBarProgress) {
-        bottomBarChildren.add(
-          CollectionScaleTransition(
-            children: <Widget>[
-              Icon(Icons.stop, size: 10.0, color: EntityColor.stateColor(EntityState.on),),
-              Icon(Icons.stop, size: 10.0, color: EntityColor.stateColor(EntityState.unavailable),),
-              Icon(Icons.stop, size: 10.0, color: EntityColor.stateColor(EntityState.off),),
-            ],
-          ),
-        );
-      }
-      if (bottomBarChildren.isNotEmpty) {
-        bottomBar = Container(
-          color: _bottomBarColor,
-          child: Row(
-            mainAxisSize: MainAxisSize.max,
-            children: <Widget>[
-              Expanded(
-                child: Column(
-                  crossAxisAlignment: _bottomBarProgress ? CrossAxisAlignment.center : CrossAxisAlignment.start,
-                  mainAxisSize: MainAxisSize.min,
-                  children: bottomBarChildren,
-                ),
-              ),
-              _bottomBarAction
-            ],
-          ),
-        );
-      }
-    }
-    // This method is rerun every time setState is called.
-    if (widget.homeAssistant.isNoViews) {
-      return Scaffold(
-        key: _scaffoldKey,
-        primary: false,
-        drawer: _buildAppDrawer(),
-        bottomNavigationBar: bottomBar,
-        body: _buildScaffoldBody(true)
-      );
-    } else {
-      return Scaffold(
-        key: _scaffoldKey,
-        drawer: _buildAppDrawer(),
-        primary: false,
-        bottomNavigationBar: bottomBar,
-        body: _buildScaffoldBody(false),
-      );
-    }
-  }
-
-  @override
-  void dispose() {
-    final flutterWebviewPlugin = new FlutterWebviewPlugin();
-    flutterWebviewPlugin.dispose();
-    WidgetsBinding.instance.removeObserver(this);
-    _viewsTabController?.dispose();
-    _stateSubscription?.cancel();
-    _settingsSubscription?.cancel();
-    _serviceCallSubscription?.cancel();
-    _showPopupDialogSubscription?.cancel();
-    _showPopupMessageSubscription?.cancel();
-    _showEntityPageSubscription?.cancel();
-    _showErrorSubscription?.cancel();
-    _startAuthSubscription?.cancel();
-    _subscription?.cancel();
-    _reloadUISubscription?.cancel();
-    //TODO disconnect
-    //widget.homeAssistant?.disconnect();
-    super.dispose();
-  }
-}

lib/managers/auth_manager.class.dart

@@ -1,4 +1,4 @@
-part of 'main.dart';
+part of '../main.dart';
 
 class AuthManager {
 
@@ -17,7 +17,7 @@ class AuthManager {
       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(
+        ConnectionManager().sendHTTPPost(
             endPoint: "/auth/token",
             contentType: "application/x-www-form-urlencoded",
             includeAuthHeader: false,

lib/managers/connection_manager.class.dart

@@ -1,14 +1,14 @@
-part of 'main.dart';
+part of '../main.dart';
 
-class Connection {
+class ConnectionManager {
 
-  static final Connection _instance = Connection._internal();
+  static final ConnectionManager _instance = ConnectionManager._internal();
 
-  factory Connection() {
+  factory ConnectionManager() {
     return _instance;
   }
 
-  Connection._internal();
+  ConnectionManager._internal();
 
   String _domain;
   String _port;
@@ -54,21 +54,20 @@ class Connection {
         completer.completeError(HAError.checkConnectionSettings());
         stopInit = true;
       } else {
-        //_token = prefs.getString('hassio-token');
         final storage = new FlutterSecureStorage();
         try {
           _token = await storage.read(key: "hacl_llt");
           Logger.e("Long-lived token read successful");
+          oauthUrl = "$httpWebHost/auth/authorize?client_id=${Uri.encodeComponent(
+              'http://ha-client.homemade.systems/')}&redirect_uri=${Uri
+              .encodeComponent(
+              'http://ha-client.homemade.systems/service/auth_callback.html')}";
+          settingsLoaded = true;
         } catch (e) {
+          completer.completeError(HAError("Error reading login details", actions: [HAErrorAction.tryAgain(type: HAErrorActionType.FULL_RELOAD), HAErrorAction.loginAgain()]));
           Logger.e("Cannt read secure storage. Need to relogin.");
-          _token = null;
+          stopInit = true;
-          await storage.delete(key: "hacl_llt");
         }
-        oauthUrl = "$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')}";
-        settingsLoaded = true;
       }
     } else {
       if ((_domain == null) || (_port == null) ||
@@ -148,9 +147,7 @@ class Connection {
                 Logger.d("[Received] <== ${data.toString()}");
                 _messageResolver["auth"]?.completeError(HAError("${data["message"]}", actions: [HAErrorAction.loginAgain()]));
                 _messageResolver.remove("auth");
-                logout().then((_) {
+                if (!connecting.isCompleted) connecting.completeError(HAError("${data["message"]}", actions: [HAErrorAction.tryAgain(title: "Retry"), HAErrorAction.loginAgain(title: "Relogin")]));
-                  if (!connecting.isCompleted) connecting.completeError(HAError("${data["message"]}", actions: [HAErrorAction.loginAgain()]));
-                });
               } else {
                 _handleMessage(data);
               }
@@ -281,6 +278,7 @@ class Connection {
   }
 
   Future logout() {
+    Logger.d("Logging out");
     Completer completer = Completer();
     _disconnect().whenComplete(() {
       _token = null;
@@ -309,8 +307,7 @@ class Connection {
         throw e;
       });
     }).catchError((e) {
-      logout();
+      completer.completeError(HAError("Authentication error: $e", actions: [HAErrorAction.reload(title: "Retry"), HAErrorAction.loginAgain(title: "Relogin")]));
-      completer.completeError(HAError("Authentication error: $e", actions: [HAErrorAction.loginAgain()]));
     });
     return completer.future;
   }

lib/managers/device_info_manager.class.dart

@@ -1,10 +1,10 @@
-part of 'main.dart';
+part of '../main.dart';
 
-class Device {
+class DeviceInfoManager {
 
-  static final Device _instance = Device._internal();
+  static final DeviceInfoManager _instance = DeviceInfoManager._internal();
 
-  factory Device() {
+  factory DeviceInfoManager() {
     return _instance;
   }
 
@@ -14,7 +14,7 @@ class Device {
   String osName;
   String osVersion;
 
-  Device._internal();
+  DeviceInfoManager._internal();
 
   loadDeviceInfo() {
     DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();

lib/managers/location_manager.class.dart

@@ -0,0 +1,5 @@
+part of '../main.dart';
+
+class LocationManager {
+
+}

lib/managers/mobile_app_integration_manager.class.dart

@@ -0,0 +1,121 @@
+part of '../main.dart';
+
+class MobileAppIntegrationManager {
+
+  static final _appRegistrationData = {
+    "app_version": "$appVersion",
+    "device_name": "${HomeAssistant().userName}'s ${DeviceInfoManager().model}",
+    "manufacturer": DeviceInfoManager().manufacturer,
+    "model": DeviceInfoManager().model,
+    "os_version": DeviceInfoManager().osVersion,
+    "app_data": {
+      "push_token": "${HomeAssistant().fcmToken}",
+      "push_url": "https://us-central1-ha-client-c73c4.cloudfunctions.net/sendPushNotification"
+    }
+  };
+
+  static Future checkAppRegistration({bool forceRegister: false, bool showOkDialog: false}) {
+    Completer completer = Completer();
+    if (ConnectionManager().webhookId == null || forceRegister) {
+      Logger.d("Mobile app was not registered yet or need to be reseted. Registering...");
+      var registrationData = Map.from(_appRegistrationData);
+      registrationData.addAll({
+        "app_id": "ha_client",
+        "app_name": "$appName",
+        "os_name": DeviceInfoManager().osName,
+        "supports_encryption": false,
+      });
+      ConnectionManager().sendHTTPPost(
+          endPoint: "/api/mobile_app/registrations",
+          includeAuthHeader: true,
+          data: json.encode(registrationData)
+      ).then((response) {
+        Logger.d("Processing registration responce...");
+        var responseObject = json.decode(response);
+        SharedPreferences.getInstance().then((prefs) {
+          prefs.setString("app-webhook-id", responseObject["webhook_id"]);
+          ConnectionManager().webhookId = responseObject["webhook_id"];
+          completer.complete();
+          eventBus.fire(ShowPopupDialogEvent(
+            title: "Mobile app Integration was created",
+            body: "HA Client was registered as MobileApp in your Home Assistant. To start using notifications you need to restart your Home Assistant",
+            positiveText: "Restart now",
+            negativeText: "Later",
+            onPositive: () {
+              ConnectionManager().callService(domain: "homeassistant", service: "restart", entityId: null);
+            },
+          ));
+        });
+      }).catchError((e) {
+        completer.complete();
+        Logger.e("Error registering the app: ${e.toString()}");
+      });
+      return completer.future;
+    } else {
+      Logger.d("App was previously registered. Checking...");
+      var updateData = {
+        "type": "update_registration",
+        "data": _appRegistrationData
+      };
+      ConnectionManager().sendHTTPPost(
+          endPoint: "/api/webhook/${ConnectionManager().webhookId}",
+          includeAuthHeader: false,
+          data: json.encode(updateData)
+      ).then((response) {
+        if (response == null || response.isEmpty) {
+          Logger.d("No registration data in response. MobileApp integration was removed");
+          _askToRegisterApp();
+        } else {
+          Logger.d("App registration works fine");
+          if (showOkDialog) {
+            eventBus.fire(ShowPopupDialogEvent(
+                title: "All good",
+                body: "HA Client integration with your Home Assistant server works fine",
+                positiveText: "Nice!",
+                negativeText: "Ok"
+            ));
+          }
+        }
+        completer.complete();
+      }).catchError((e) {
+        if (e['code'] != null && e['code'] == 410) {
+          Logger.e("MobileApp integration was removed");
+          _askToRegisterApp();
+        } else {
+          Logger.e("Error updating app registration: ${e.toString()}");
+          eventBus.fire(ShowPopupDialogEvent(
+            title: "App integration is not working properly",
+            body: "Something wrong with HA Client integration on your Home Assistant server. Please report this issue.",
+            positiveText: "Report to GitHub",
+            negativeText: "Report to Discord",
+            onPositive: () {
+              Launcher.launchURL("https://github.com/estevez-dev/ha_client/issues/new");
+            },
+            onNegative: () {
+              Launcher.launchURL("https://discord.gg/AUzEvwn");
+            },
+          ));
+        }
+        completer.complete();
+      });
+      return completer.future;
+    }
+  }
+
+  static void _askToRegisterApp() {
+    eventBus.fire(ShowPopupDialogEvent(
+      title: "App integration was removed",
+      body: "Looks like app integration was removed from your Home Assistant. HA Client needs to be registered on your Home Assistant server to make it possible to use notifications and other useful stuff.",
+      positiveText: "Register now",
+      negativeText: "Cancel",
+      onPositive: () {
+        SharedPreferences.getInstance().then((prefs) {
+          prefs.remove("app-webhook-id");
+          ConnectionManager().webhookId = null;
+          checkAppRegistration();
+        });
+      },
+    ));
+  }
+
+}

lib/managers/startup_user_messages_manager.class.dart

@@ -0,0 +1,46 @@
+part of '../main.dart';
+
+class StartupUserMessagesManager {
+
+  static final StartupUserMessagesManager _instance = StartupUserMessagesManager
+      ._internal();
+
+  factory StartupUserMessagesManager() {
+    return _instance;
+  }
+
+  StartupUserMessagesManager._internal() {}
+
+  bool _supportAppDevelopmentMessageShown;
+  static final _supportAppDevelopmentMessageKey = "user-message-shown-support-development_3";
+
+  void checkMessagesToShow() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    await prefs.reload();
+    _supportAppDevelopmentMessageShown = prefs.getBool(_supportAppDevelopmentMessageKey) ?? false;
+    if (!_supportAppDevelopmentMessageShown) {
+      _showSupportAppDevelopmentMessage();
+    }
+  }
+
+  void _showSupportAppDevelopmentMessage() {
+    eventBus.fire(ShowPopupDialogEvent(
+        title: "Hi!",
+        body: "As you may have noticed this app contains no ads. Also all app features are available for you for free. I'm not planning to change this in nearest future, but still you can support this application development materially. There is one-time payment available as well as several subscription options. Thanks.",
+        positiveText: "Show options",
+        negativeText: "Cancel",
+        onPositive: () {
+          SharedPreferences.getInstance().then((prefs) {
+            prefs.setBool(_supportAppDevelopmentMessageKey, true);
+            eventBus.fire(ShowPageEvent(path: "/putchase"));
+          });
+        },
+        onNegative: () {
+          SharedPreferences.getInstance().then((prefs) {
+            prefs.setBool(_supportAppDevelopmentMessageKey, true);
+          });
+        }
+    ));
+  }
+
+}

lib/pages/entity.page.dart

@@ -1,10 +1,9 @@
 part of '../main.dart';
 
 class EntityViewPage extends StatefulWidget {
-  EntityViewPage({Key key, @required this.entityId, @required this.homeAssistant }) : super(key: key);
+  EntityViewPage({Key key, @required this.entityId}) : super(key: key);
 
   final String entityId;
-  final HomeAssistant homeAssistant;
 
   @override
   _EntityViewPageState createState() => new _EntityViewPageState();
@@ -31,7 +30,7 @@ class _EntityViewPageState extends State<EntityViewPage> {
   }
 
   void _prepareData() async {
-    _title = widget.homeAssistant.entities.get(widget.entityId).displayName;
+    _title = HomeAssistant().entities.get(widget.entityId).displayName;
   }
 
 
@@ -46,7 +45,7 @@ class _EntityViewPageState extends State<EntityViewPage> {
         // the App.build method, and use it to set our appbar title.
         title: new Text(_title),
       ),
-      body: widget.homeAssistant.entities.get(widget.entityId).buildEntityPageWidget(context),
+      body: HomeAssistant().entities.get(widget.entityId).buildEntityPageWidget(context),
     );
   }
 

lib/pages/main.page.dart

@@ -0,0 +1,802 @@
+part of '../main.dart';
+
+class MainPage extends StatefulWidget {
+  MainPage({Key key, this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  _MainPageState createState() => new _MainPageState();
+}
+
+class _MainPageState extends State<MainPage> with WidgetsBindingObserver, TickerProviderStateMixin {
+
+  StreamSubscription<List<PurchaseDetails>> _subscription;
+  StreamSubscription _stateSubscription;
+  StreamSubscription _settingsSubscription;
+  StreamSubscription _serviceCallSubscription;
+  StreamSubscription _showEntityPageSubscription;
+  StreamSubscription _showErrorSubscription;
+  StreamSubscription _startAuthSubscription;
+  StreamSubscription _showPopupDialogSubscription;
+  StreamSubscription _showPopupMessageSubscription;
+  StreamSubscription _reloadUISubscription;
+  StreamSubscription _showPageSubscription;
+  int _previousViewCount;
+  bool _showLoginButton = false;
+  bool _preventAppRefresh = false;
+
+  @override
+  void initState() {
+    final Stream purchaseUpdates =
+        InAppPurchaseConnection.instance.purchaseUpdatedStream;
+    _subscription = purchaseUpdates.listen((purchases) {
+      _handlePurchaseUpdates(purchases);
+    });
+    super.initState();
+    WidgetsBinding.instance.addObserver(this);
+
+    _firebaseMessaging.configure(
+        onLaunch: (data) {
+          Logger.d("Notification [onLaunch]: $data");
+          return Future.value();
+        },
+        onMessage: (data) {
+          Logger.d("Notification [onMessage]: $data");
+          return _showNotification(title: data["notification"]["title"], text: data["notification"]["body"]);
+        },
+        onResume: (data) {
+          Logger.d("Notification [onResume]: $data");
+          return Future.value();
+        }
+    );
+
+    _firebaseMessaging.requestNotificationPermissions(const IosNotificationSettings(sound: true, badge: true, alert: true));
+
+    // initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
+    var initializationSettingsAndroid =
+    new AndroidInitializationSettings('mini_icon');
+    var initializationSettingsIOS = new IOSInitializationSettings(
+        onDidReceiveLocalNotification: null);
+    var initializationSettings = new InitializationSettings(
+        initializationSettingsAndroid, initializationSettingsIOS);
+    flutterLocalNotificationsPlugin.initialize(initializationSettings,
+        onSelectNotification: onSelectNotification);
+
+    _settingsSubscription = eventBus.on<SettingsChangedEvent>().listen((event) {
+      Logger.d("Settings change event: reconnect=${event.reconnect}");
+      if (event.reconnect) {
+        _preventAppRefresh = false;
+        _fullLoad();
+      }
+    });
+
+    _fullLoad();
+
+
+  }
+
+  Future onSelectNotification(String payload) async {
+    if (payload != null) {
+      Logger.d('Notification clicked: ' + payload);
+    }
+  }
+
+  Future _showNotification({String title, String text}) async {
+    var androidPlatformChannelSpecifics = new AndroidNotificationDetails(
+        'ha_notify', 'Home Assistant notifications', 'Notifications from Home Assistant notify service',
+        importance: Importance.Max, priority: Priority.High);
+    var iOSPlatformChannelSpecifics = new IOSNotificationDetails();
+    var platformChannelSpecifics = new NotificationDetails(
+        androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
+    await flutterLocalNotificationsPlugin.show(
+        0,
+        title ?? appName,
+        text,
+        platformChannelSpecifics
+    );
+  }
+
+  void _fullLoad() async {
+    _showInfoBottomBar(progress: true,);
+    _subscribe().then((_) {
+      ConnectionManager().init(loadSettings: true, forceReconnect: true).then((__){
+        _fetchData();
+        StartupUserMessagesManager().checkMessagesToShow();
+      }, onError: (e) {
+        _setErrorState(e);
+      });
+    });
+  }
+
+  void _quickLoad() {
+    _hideBottomBar();
+    _showInfoBottomBar(progress: true,);
+    ConnectionManager().init(loadSettings: false, forceReconnect: false).then((_){
+      _fetchData();
+      //StartupUserMessagesManager().checkMessagesToShow();
+    }, onError: (e) {
+      _setErrorState(e);
+    });
+  }
+
+  _fetchData() async {
+    await HomeAssistant().fetchData().then((_) {
+      _hideBottomBar();
+      int currentViewCount = 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) {
+      if (e is HAError) {
+        _setErrorState(e);
+      } else {
+        _setErrorState(HAError(e.toString()));
+      }
+    });
+    eventBus.fire(RefreshDataFinishedEvent());
+  }
+
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    Logger.d("$state");
+    if (state == AppLifecycleState.resumed && ConnectionManager().settingsLoaded && !_preventAppRefresh) {
+      _quickLoad();
+    }
+  }
+
+  void _handlePurchaseUpdates(purchase) {
+    if (purchase is List<PurchaseDetails>) {
+      if (purchase[0].status == PurchaseStatus.purchased) {
+        eventBus.fire(ShowPopupMessageEvent(
+            title: "Thanks a lot!",
+            body: "Thank you for supporting HA Client development!",
+            buttonText: "Ok"
+        ));
+      } else {
+        Logger.d("Purchase change handler: ${purchase[0].status}");
+      }
+    } else {
+      Logger.e("Something wrong with purchase handling. Got: $purchase");
+    }
+  }
+
+  Future _subscribe() {
+    Completer completer = Completer();
+    if (_stateSubscription == null) {
+      _stateSubscription = eventBus.on<StateChangedEvent>().listen((event) {
+        if (event.needToRebuildUI) {
+          Logger.d("New entity. Need to rebuild UI");
+          _quickLoad();
+        } else {
+          setState(() {});
+        }
+      });
+    }
+    if (_reloadUISubscription == null) {
+      _reloadUISubscription = eventBus.on<ReloadUIEvent>().listen((event){
+        _quickLoad();
+      });
+    }
+    if (_showPopupDialogSubscription == null) {
+      _showPopupDialogSubscription = eventBus.on<ShowPopupDialogEvent>().listen((event){
+        _showPopupDialog(
+            title: event.title,
+            body: event.body,
+            onPositive: event.onPositive,
+            onNegative: event.onNegative,
+            positiveText: event.positiveText,
+            negativeText: event.negativeText
+        );
+      });
+    }
+    if (_showPopupMessageSubscription == null) {
+      _showPopupMessageSubscription = eventBus.on<ShowPopupMessageEvent>().listen((event){
+        _showPopupDialog(
+            title: event.title,
+            body: event.body,
+            onPositive: event.onButtonClick,
+            positiveText: event.buttonText,
+            negativeText: null
+        );
+      });
+    }
+    if (_serviceCallSubscription == null) {
+      _serviceCallSubscription =
+          eventBus.on<ServiceCallEvent>().listen((event) {
+            _callService(event.domain, event.service, event.entityId,
+                event.additionalParams);
+          });
+    }
+
+    if (_showEntityPageSubscription == null) {
+      _showEntityPageSubscription =
+          eventBus.on<ShowEntityPageEvent>().listen((event) {
+            _showEntityPage(event.entity.entityId);
+          });
+    }
+
+    if (_showPageSubscription == null) {
+      _showPageSubscription =
+          eventBus.on<ShowPageEvent>().listen((event) {
+            _showPage(event.path, event.goBackFirst);
+          });
+    }
+
+    if (_showErrorSubscription == null) {
+      _showErrorSubscription = eventBus.on<ShowErrorEvent>().listen((event){
+        _showErrorBottomBar(event.error);
+      });
+    }
+
+    if (_startAuthSubscription == null) {
+      _startAuthSubscription = eventBus.on<StartAuthEvent>().listen((event){
+        setState(() {
+          _showLoginButton = event.showButton;
+        });
+        if (event.showButton) {
+          _showOAuth();
+        } else {
+          _preventAppRefresh = false;
+          Navigator.of(context).pop();
+        }
+      });
+    }
+
+    _firebaseMessaging.getToken().then((String token) {
+      HomeAssistant().fcmToken = token;
+      completer.complete();
+    });
+    return completer.future;
+  }
+
+  void _showOAuth() {
+    _preventAppRefresh = true;
+    Navigator.of(context).pushNamed('/login');
+  }
+
+  _setErrorState(HAError e) {
+    if (e == null) {
+      _showErrorBottomBar(
+          HAError("Unknown error")
+      );
+    } else {
+      _showErrorBottomBar(e);
+    }
+  }
+
+  void _showPopupDialog({String title, String body, var onPositive, var onNegative, String positiveText, String negativeText}) {
+    List<Widget> buttons = [];
+    buttons.add(FlatButton(
+      child: new Text("$positiveText"),
+      onPressed: () {
+        Navigator.of(context).pop();
+        if (onPositive != null) {
+          onPositive();
+        }
+      },
+    ));
+    if (negativeText != null) {
+      buttons.add(FlatButton(
+        child: new Text("$negativeText"),
+        onPressed: () {
+          Navigator.of(context).pop();
+          if (onNegative != null) {
+            onNegative();
+          }
+        },
+      ));
+    }
+    // flutter defined function
+    showDialog(
+      barrierDismissible: false,
+      context: context,
+      builder: (BuildContext context) {
+        // return object of type Dialog
+        return AlertDialog(
+          title: new Text("$title"),
+          content: new Text("$body"),
+          actions: buttons,
+        );
+      },
+    );
+  }
+
+  //TODO remove this shit
+  void _callService(String domain, String service, String entityId, Map additionalParams) {
+    _showInfoBottomBar(
+        message: "Calling $domain.$service",
+        duration: Duration(seconds: 3)
+    );
+    ConnectionManager().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),
+        )
+    );
+  }
+
+  void _showPage(String path, bool goBackFirst) {
+    if (goBackFirst) {
+      Navigator.pop(context);
+    }
+    Navigator.pushNamed(
+        context,
+        path
+    );
+  }
+
+  List<Tab> buildUIViewTabs() {
+    List<Tab> result = [];
+
+    if (HomeAssistant().ui.views.isNotEmpty) {
+      HomeAssistant().ui.views.forEach((HAView view) {
+        result.add(view.buildTab());
+      });
+    }
+
+    return result;
+  }
+
+  Drawer _buildAppDrawer() {
+    List<Widget> menuItems = [];
+    menuItems.add(
+        UserAccountsDrawerHeader(
+          accountName: Text(HomeAssistant().userName),
+          accountEmail: Text(ConnectionManager().displayHostname ?? "Not configured"),
+          onDetailsPressed: () {
+            final flutterWebViewPlugin = new FlutterWebviewPlugin();
+            flutterWebViewPlugin.onStateChanged.listen((viewState) async {
+              if (viewState.type == WebViewState.startLoad) {
+                Logger.d("[WebView] Injecting external auth JS");
+                rootBundle.loadString('assets/js/externalAuth.js').then((js){
+                  flutterWebViewPlugin.evalJavascript(js.replaceFirst("[token]", ConnectionManager()._token));
+                });
+              }
+            });
+            Navigator.of(context).pushNamed(
+                "/webview",
+                arguments: {
+                  "url": "${ConnectionManager().httpWebHost}/profile?external_auth=1",
+                  "title": "Profile"
+                }
+            );
+          },
+          currentAccountPicture: CircleAvatar(
+            child: Text(
+              HomeAssistant().userAvatarText,
+              style: TextStyle(
+                  fontSize: 32.0
+              ),
+            ),
+          ),
+        )
+    );
+    if (HomeAssistant().panels.isNotEmpty) {
+      HomeAssistant().panels.forEach((Panel panel) {
+        if (!panel.isHidden) {
+          menuItems.add(
+              new ListTile(
+                  leading: Icon(MaterialDesignIcons.getIconDataFromIconName(panel.icon)),
+                  title: Row(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: <Widget>[
+                      Text("${panel.title}"),
+                      Container(width: 4.0,),
+                      panel.isWebView ? Text("webview", style: TextStyle(fontSize: 8.0, color: Colors.black45),) : Container(width: 1.0,)
+                    ],
+                  ),
+                  onTap: () {
+                    Navigator.of(context).pop();
+                    panel.handleOpen(context);
+                  }
+              )
+          );
+        }
+      });
+    }
+    menuItems.addAll([
+      Divider(),
+      ListTile(
+        leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:login-variant")),
+        title: Text("Connection settings"),
+        onTap: () {
+          Navigator.of(context).pop();
+          Navigator.of(context).pushNamed('/connection-settings');
+        },
+      )
+    ]);
+    menuItems.addAll([
+      Divider(),
+      new ListTile(
+        leading: Icon(Icons.insert_drive_file),
+        title: Text("Log"),
+        onTap: () {
+          Navigator.of(context).pop();
+          Navigator.of(context).pushNamed('/log-view');
+        },
+      ),
+      new ListTile(
+        leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:github-circle")),
+        title: Text("Report an issue"),
+        onTap: () {
+          Navigator.of(context).pop();
+          Launcher.launchURL("https://github.com/estevez-dev/ha_client/issues/new");
+        },
+      ),
+      Divider(),
+      new ListTile(
+        leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:food")),
+        title: Text("Support app development"),
+        onTap: () {
+          Navigator.of(context).pop();
+          Navigator.of(context).pushNamed('/putchase');
+        },
+      ),
+      Divider(),
+      new ListTile(
+        leading: Icon(Icons.help),
+        title: Text("Help"),
+        onTap: () {
+          Navigator.of(context).pop();
+          Launcher.launchURL("http://ha-client.homemade.systems/docs");
+        },
+      ),
+      new ListTile(
+        leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:discord")),
+        title: Text("Join Discord channel"),
+        onTap: () {
+          Navigator.of(context).pop();
+          Launcher.launchURL("https://discord.gg/AUzEvwn");
+        },
+      ),
+      new AboutListTile(
+          aboutBoxChildren: <Widget>[
+            GestureDetector(
+              onTap: () {
+                Navigator.of(context).pop();
+                Launcher.launchURL("http://ha-client.homemade.systems/");
+              },
+              child: Text(
+                "ha-client.homemade.systems",
+                style: TextStyle(
+                    color: Colors.blue,
+                    decoration: TextDecoration.underline
+                ),
+              ),
+            ),
+            Container(
+              height: 10.0,
+            ),
+            GestureDetector(
+              onTap: () {
+                Navigator.of(context).pop();
+                Launcher.launchURLInCustomTab(context: context, url: "http://ha-client.homemade.systems/terms_and_conditions");
+              },
+              child: Text(
+                "Terms and Conditions",
+                style: TextStyle(
+                    color: Colors.blue,
+                    decoration: TextDecoration.underline
+                ),
+              ),
+            ),
+            Container(
+              height: 10.0,
+            ),
+            GestureDetector(
+              onTap: () {
+                Navigator.of(context).pop();
+                Launcher.launchURLInCustomTab(context: context, url: "http://ha-client.homemade.systems/privacy_policy");
+              },
+              child: Text(
+                "Privacy Policy",
+                style: TextStyle(
+                    color: Colors.blue,
+                    decoration: TextDecoration.underline
+                ),
+              ),
+            )
+          ],
+          applicationName: appName,
+          applicationVersion: appVersion
+      )
+    ]);
+    return new Drawer(
+      child: ListView(
+        children: menuItems,
+      ),
+    );
+  }
+
+  void _hideBottomBar() {
+    //_scaffoldKey?.currentState?.hideCurrentSnackBar();
+    setState(() {
+      _showBottomBar = false;
+    });
+  }
+
+  Widget _bottomBarAction;
+  bool _showBottomBar = false;
+  String _bottomBarText;
+  bool _bottomBarProgress;
+  Color _bottomBarColor;
+  Timer _bottomBarTimer;
+
+  void _showInfoBottomBar({String message, bool progress: false, Duration duration}) {
+    _bottomBarTimer?.cancel();
+    _bottomBarAction = Container(height: 0.0, width: 0.0,);
+    _bottomBarColor = Colors.grey.shade50;
+    setState(() {
+      _bottomBarText = message;
+      _bottomBarProgress = progress;
+      _showBottomBar = true;
+    });
+    if (duration != null) {
+      _bottomBarTimer = Timer(duration, () {
+        _hideBottomBar();
+      });
+    }
+  }
+
+  void _showErrorBottomBar(HAError error) {
+    TextStyle textStyle = TextStyle(
+        color: Colors.blue,
+        fontSize: Sizes.nameFontSize
+    );
+    _bottomBarColor = Colors.red.shade100;
+    List<Widget> actions = [];
+    error.actions.forEach((HAErrorAction action) {
+      switch (action.type) {
+        case HAErrorActionType.FULL_RELOAD: {
+          actions.add(FlatButton(
+            child: Text("${action.title}", style: textStyle),
+            onPressed: () {
+              _fullLoad();
+            },
+          ));
+          break;
+        }
+
+        case HAErrorActionType.QUICK_RELOAD: {
+          actions.add(FlatButton(
+            child: Text("${action.title}", style: textStyle),
+            onPressed: () {
+              _quickLoad();
+            },
+          ));
+          break;
+        }
+
+        case HAErrorActionType.RELOGIN: {
+          actions.add(FlatButton(
+            child: Text("${action.title}", style: textStyle),
+            onPressed: () {
+              ConnectionManager().logout().then((_) => _fullLoad());
+            },
+          ));
+          break;
+        }
+
+        case HAErrorActionType.URL: {
+          actions.add(FlatButton(
+            child: Text("${action.title}", style: textStyle),
+            onPressed: () {
+              Launcher.launchURLInCustomTab(context: context, url: "${action.url}");
+            },
+          ));
+          break;
+        }
+
+        case HAErrorActionType.OPEN_CONNECTION_SETTINGS: {
+          actions.add(FlatButton(
+            child: Text("${action.title}", style: textStyle),
+            onPressed: () {
+              Navigator.pushNamed(context, '/connection-settings');
+            },
+          ));
+          break;
+        }
+      }
+    });
+    if (actions.isNotEmpty) {
+      _bottomBarAction = Row(
+        mainAxisSize: MainAxisSize.min,
+        children: actions,
+        mainAxisAlignment: MainAxisAlignment.end,
+      );
+    } else {
+      _bottomBarAction = Container(height: 0.0, width: 0.0,);
+    }
+    setState(() {
+      _bottomBarProgress = false;
+      _bottomBarText = "${error.message}";
+      _showBottomBar = true;
+    });
+  }
+
+  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",
+    ));
+    List<Widget> emptyBody = [
+      Text("."),
+    ];
+    if (ConnectionManager().isAuthenticated) {
+      _showLoginButton = false;
+      popupMenuItems.add(
+          PopupMenuItem<String>(
+            child: new Text("Logout"),
+            value: "logout",
+          ));
+    }
+    if (_showLoginButton) {
+      emptyBody = [
+        FlatButton(
+          child: Text("Login with Home Assistant", style: TextStyle(fontSize: 16.0, color: Colors.white)),
+          color: Colors.blue,
+          onPressed: () => _fullLoad(),
+        )
+      ];
+    }
+    return NestedScrollView(
+      headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
+        return <Widget>[
+          SliverAppBar(
+            floating: true,
+            pinned: true,
+            primary: true,
+            title: Text(HomeAssistant().locationName ?? ""),
+            actions: <Widget>[
+              IconButton(
+                  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: popupMenuItems
+                    ).then((String val) {
+                      if (val == "reload") {
+                        _quickLoad();
+                      } else if (val == "logout") {
+                        HomeAssistant().logout().then((_) {
+                          _quickLoad();
+                        });
+                      }
+                    });
+                  }
+              )
+            ],
+            leading: IconButton(
+              icon: Icon(Icons.menu),
+              onPressed: () {
+                _scaffoldKey.currentState.openDrawer();
+              },
+            ),
+            bottom: empty ? null : TabBar(
+              controller: _viewsTabController,
+              tabs: buildUIViewTabs(),
+              isScrollable: true,
+            ),
+          ),
+
+        ];
+      },
+      body: empty ?
+      Center(
+        child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: emptyBody
+        ),
+      )
+          :
+      HomeAssistant().buildViews(context, _viewsTabController),
+    );
+  }
+
+  TabController _viewsTabController;
+
+  @override
+  Widget build(BuildContext context) {
+    Widget bottomBar;
+    if (_showBottomBar) {
+      List<Widget> bottomBarChildren = [];
+      if (_bottomBarText != null) {
+        bottomBarChildren.add(
+            Padding(
+              padding: EdgeInsets.fromLTRB(
+                  Sizes.leftWidgetPadding, Sizes.rowPadding, 0.0,
+                  Sizes.rowPadding),
+              child: Text(
+                "$_bottomBarText",
+                textAlign: TextAlign.left,
+                softWrap: true,
+              ),
+            )
+
+        );
+      }
+      if (_bottomBarProgress) {
+        bottomBarChildren.add(
+          CollectionScaleTransition(
+            children: <Widget>[
+              Icon(Icons.stop, size: 10.0, color: EntityColor.stateColor(EntityState.on),),
+              Icon(Icons.stop, size: 10.0, color: EntityColor.stateColor(EntityState.unavailable),),
+              Icon(Icons.stop, size: 10.0, color: EntityColor.stateColor(EntityState.off),),
+            ],
+          ),
+        );
+      }
+      if (bottomBarChildren.isNotEmpty) {
+        bottomBar = Container(
+          color: _bottomBarColor,
+          child: Row(
+            mainAxisSize: MainAxisSize.max,
+            children: <Widget>[
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: _bottomBarProgress ? CrossAxisAlignment.center : CrossAxisAlignment.start,
+                  mainAxisSize: MainAxisSize.min,
+                  children: bottomBarChildren,
+                ),
+              ),
+              _bottomBarAction
+            ],
+          ),
+        );
+      }
+    }
+    // This method is rerun every time setState is called.
+    if (HomeAssistant().isNoViews) {
+      return Scaffold(
+          key: _scaffoldKey,
+          primary: false,
+          drawer: _buildAppDrawer(),
+          bottomNavigationBar: bottomBar,
+          body: _buildScaffoldBody(true)
+      );
+    } else {
+      return Scaffold(
+        key: _scaffoldKey,
+        drawer: _buildAppDrawer(),
+        primary: false,
+        bottomNavigationBar: bottomBar,
+        body: _buildScaffoldBody(false),
+      );
+    }
+  }
+
+  @override
+  void dispose() {
+    final flutterWebviewPlugin = new FlutterWebviewPlugin();
+    flutterWebviewPlugin.dispose();
+    WidgetsBinding.instance.removeObserver(this);
+    _viewsTabController?.dispose();
+    _stateSubscription?.cancel();
+    _settingsSubscription?.cancel();
+    _serviceCallSubscription?.cancel();
+    _showPopupDialogSubscription?.cancel();
+    _showPopupMessageSubscription?.cancel();
+    _showEntityPageSubscription?.cancel();
+    _showErrorSubscription?.cancel();
+    _startAuthSubscription?.cancel();
+    _subscription?.cancel();
+    _showPageSubscription?.cancel();
+    _reloadUISubscription?.cancel();
+    //TODO disconnect
+    //widget.homeAssistant?.disconnect();
+    super.dispose();
+  }
+}

lib/pages/panel.page.dart

@@ -12,8 +12,6 @@ class PanelPage extends StatefulWidget {
 
 class _PanelPageState extends State<PanelPage> {
 
-  List<ConfigurationItem> _items;
-
   @override
   void initState() {
     super.initState();

lib/pages/purchase.page.dart

@@ -10,7 +10,7 @@ class PurchasePage extends StatefulWidget {
 }
 
 class _PurchasePageState extends State<PurchasePage> {
-  
+
   bool _loaded = false;
   String _error = "";
   List<ProductDetails> _products;
@@ -29,7 +29,7 @@ class _PurchasePageState extends State<PurchasePage> {
         _error = "Error connecting to store";
       });
     } else {
-      const Set<String> _kIds = {'just_few_bucks_per_year', 'app_fan_support_per_year', 'grateful_user_support_per_year'};
+      const Set<String> _kIds = {'one_time_support','just_few_bucks_per_year', 'app_fan_support_per_year', 'grateful_user_support_per_year'};
       final ProductDetailsResponse response = await InAppPurchaseConnection.instance.queryProductDetails(_kIds);
       if (!response.notFoundIDs.isEmpty) {
         Logger.d("Products not found: ${response.notFoundIDs}");
@@ -61,7 +61,7 @@ class _PurchasePageState extends State<PurchasePage> {
       }
     }
   }
-  
+
   Widget _buildProducts() {
     List<Widget> productWidgets = [];
     for (ProductDetails product in _products) {

lib/pages/settings.page.dart

@@ -74,6 +74,7 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
   }
 
   _saveSettings() async {
+    _newHassioDomain = _newHassioDomain.trim();
     if (_newHassioDomain.indexOf("http") == 0 && _newHassioDomain.indexOf("//") > 0) {
       _newHassioDomain = _newHassioDomain.split("//")[1];
     }
@@ -81,12 +82,18 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
     SharedPreferences prefs = await SharedPreferences.getInstance();
     final storage = new FlutterSecureStorage();
     if (_newLongLivedToken.isNotEmpty) {
+      _newLongLivedToken = _newLongLivedToken.trim();
       prefs.setBool("oauth-used", false);
       await storage.write(key: "hacl_llt", value: _newLongLivedToken);
     } else if (!useOAuth) {
       await storage.delete(key: "hacl_llt");
     }
     prefs.setString("hassio-domain", _newHassioDomain);
+    if (_newHassioPort == null || _newHassioPort.isEmpty) {
+      _newHassioPort = _newSocketProtocol == "wss" ? "443" : "80";
+    } else {
+      _newHassioPort = _newHassioPort.trim();
+    }
     prefs.setString("hassio-port", _newHassioPort);
     prefs.setString("hassio-protocol", _newSocketProtocol);
     prefs.setString("hassio-res-protocol", _newSocketProtocol == "wss" ? "https" : "http");
@@ -147,13 +154,7 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
             decoration: InputDecoration(
               labelText: "Home Assistant domain or ip address"
             ),
-            controller: new TextEditingController.fromValue(
+            controller: TextEditingController.fromValue(TextEditingValue(text: _newHassioDomain)),
-                new TextEditingValue(
-                    text: _newHassioDomain,
-                    selection:
-                    new TextSelection.collapsed(offset: _newHassioDomain.length)
-                )
-            ),
             onChanged: (value) {
               _newHassioDomain = value;
             }
@@ -162,13 +163,7 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
             decoration: InputDecoration(
               labelText: "Home Assistant port (default is 8123)"
             ),
-            controller: new TextEditingController.fromValue(
+            controller: TextEditingController.fromValue(TextEditingValue(text: _newHassioPort)),
-                new TextEditingValue(
-                    text: _newHassioPort,
-                    selection:
-                    new TextSelection.collapsed(offset: _newHassioPort.length)
-                )
-            ),
             onChanged: (value) {
               _newHassioPort = value;
             }
@@ -216,13 +211,7 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
               decoration: InputDecoration(
                   labelText: "Long-lived token"
               ),
-              controller: new TextEditingController.fromValue(
+              controller: TextEditingController.fromValue(TextEditingValue(text: _newLongLivedToken)),
-                  new TextEditingValue(
-                      text: _newLongLivedToken ?? '',
-                      selection:
-                      new TextSelection.collapsed(offset: _newLongLivedToken != null ? _newLongLivedToken.length : 0)
-                  )
-              ),
               onChanged: (value) {
                 _newLongLivedToken = value;
               }

lib/pages/widgets/product_purchase.widget.dart

@@ -10,13 +10,19 @@ class ProductPurchase extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    String period = "/ ";
+    String period = "";
     Color priceColor;
+    String buttonText = '';
+    String buttonTextInactive = '';
     if (product.id.contains("year")) {
-      period += "year";
+      period += "/ year";
+      buttonText = "Subscribe";
+      buttonTextInactive = "Already";
       priceColor = Colors.amber;
     } else {
-      period += "month";
+      period += "";
+      buttonText = "Pay";
+      buttonTextInactive = "Paid";
       priceColor = Colors.deepOrangeAccent;
     }
     return Card(
@@ -55,7 +61,7 @@ class ProductPurchase extends StatelessWidget {
               Expanded(
                 flex: 2,
                 child: RaisedButton(
-                  child: Text(this.purchased ? "Bought" : "Buy", style: TextStyle(color: Colors.white)),
+                  child: Text(this.purchased ? buttonTextInactive : buttonText, style: TextStyle(color: Colors.white)),
                   color: Colors.blue,
                   onPressed: this.purchased ? null : () => this.onBuy(this.product),
                 ),

lib/panels/config_panel_widget.dart

@@ -0,0 +1,120 @@
+part of '../main.dart';
+
+class ConfigPanelWidget extends StatefulWidget {
+  ConfigPanelWidget({Key key}) : super(key: key);
+
+  @override
+  _ConfigPanelWidgetState createState() => new _ConfigPanelWidgetState();
+}
+
+class _ConfigPanelWidgetState extends State<ConfigPanelWidget> {
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  restart() {
+    eventBus.fire(ShowPopupDialogEvent(
+      title: "Are you sure you want to restart Home Assistant?",
+      body: "This will restart your Home Assistant server.",
+      positiveText: "Sure. Make it so",
+      negativeText: "What?? No!",
+      onPositive: () {
+        ConnectionManager().callService(domain: "homeassistant", service: "restart", entityId: null);
+      },
+    ));
+  }
+
+  stop() {
+    eventBus.fire(ShowPopupDialogEvent(
+      title: "Are you sure you wanr to STOP Home Assistant?",
+      body: "This will STOP your Home Assistant server. It means that your web interface as well as HA Client will not work untill you'll find a way to start your server using ssh or something.",
+      positiveText: "Sure. Make it so",
+      negativeText: "What?? No!",
+      onPositive: () {
+        ConnectionManager().callService(domain: "homeassistant", service: "stop", entityId: null);
+      },
+    ));
+  }
+
+  updateRegistration() {
+    MobileAppIntegrationManager.checkAppRegistration(showOkDialog: true);
+  }
+
+  resetRegistration() {
+    eventBus.fire(ShowPopupDialogEvent(
+      title: "Waaaait",
+      body: "If you don't whant to have duplicate integrations and entities in your HA for your current device, first you need to remove MobileApp integration from Integration settings in HA and restart server.",
+      positiveText: "Done it already",
+      negativeText: "Ok, I will",
+      onPositive: () {
+        MobileAppIntegrationManager.checkAppRegistration(showOkDialog: true, forceRegister: true);
+      },
+    ));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ListView(
+      children: [
+        Card(
+          child: Padding(
+            padding: EdgeInsets.only(left: Sizes.leftWidgetPadding, right: Sizes.rightWidgetPadding),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: <Widget>[
+                ListTile(
+                    title: Text("Mobile app integration",
+                        textAlign: TextAlign.left,
+                        overflow: TextOverflow.ellipsis,
+                        style: new TextStyle(fontWeight: FontWeight.bold, fontSize: Sizes.largeFontSize))
+                ),
+                Text("Registration", style: TextStyle(fontSize: Sizes.largeFontSize-2)),
+                Container(height: Sizes.rowPadding,),
+                Text("${HomeAssistant().userName}'s ${DeviceInfoManager().model}, ${DeviceInfoManager().osName} ${DeviceInfoManager().osVersion}"),
+                Container(height: 6.0,),
+                Text("Here you can manually check if HA Client integration with your Home Assistant works fine. As mobileApp integration in Home Assistant is still in development, this is not 100% correct check."),
+                //Divider(),
+                Row(
+                  mainAxisSize: MainAxisSize.max,
+                  children: <Widget>[
+                    RaisedButton(
+                        color: Colors.blue,
+                        onPressed: () => updateRegistration(),
+                        child: Text("Check registration", style: TextStyle(color: Colors.white))
+                    ),
+                    Container(width: 10.0,),
+                    RaisedButton(
+                        color: Colors.redAccent,
+                        onPressed: () => resetRegistration(),
+                        child: Text("Reset registration", style: TextStyle(color: Colors.white))
+                    )
+                  ],
+                ),
+              ],
+            ),
+          ),
+        ),
+        LinkToWebConfig(name: "Home Assistant Cloud", url: ConnectionManager().httpWebHost+"/config/cloud/account"),
+        Container(height: 8.0,),
+        LinkToWebConfig(name: "Integrations", url: ConnectionManager().httpWebHost+"/config/integrations/dashboard"),
+        LinkToWebConfig(name: "Users", url: ConnectionManager().httpWebHost+"/config/users/picker"),
+        Container(height: 8.0,),
+        LinkToWebConfig(name: "General", url: ConnectionManager().httpWebHost+"/config/core"),
+        LinkToWebConfig(name: "Server Control", url: ConnectionManager().httpWebHost+"/config/server_control"),
+        LinkToWebConfig(name: "Persons", url: ConnectionManager().httpWebHost+"/config/person"),
+        LinkToWebConfig(name: "Entity Registry", url: ConnectionManager().httpWebHost+"/config/entity_registry"),
+        LinkToWebConfig(name: "Area Registry", url: ConnectionManager().httpWebHost+"/config/area_registry"),
+        LinkToWebConfig(name: "Automation", url: ConnectionManager().httpWebHost+"/config/automation"),
+        LinkToWebConfig(name: "Script", url: ConnectionManager().httpWebHost+"/config/script"),
+        LinkToWebConfig(name: "Customization", url: ConnectionManager().httpWebHost+"/config/customize"),
+      ],
+    );
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+}

lib/panels/widgets/link_to_web_config.dart

@@ -0,0 +1,29 @@
+part of '../../main.dart';
+
+class LinkToWebConfig extends StatelessWidget {
+
+  final String name;
+  final String url;
+
+  const LinkToWebConfig({Key key, @required this.name, @required this.url}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: Column(
+        children: <Widget>[
+          ListTile(
+            title: Text("${this.name}",
+                textAlign: TextAlign.left,
+                overflow: TextOverflow.ellipsis,
+                style: new TextStyle(fontWeight: FontWeight.bold, fontSize: Sizes.largeFontSize)),
+            subtitle: Text("Tap to opne web version"),
+            onTap: () {
+              Launcher.launchAuthenticatedWebView(context: context, url: this.url, title: this.name);
+            },
+          )
+        ],
+      ),
+    );
+  }
+}

lib/types/event_bus_events.dart

@@ -0,0 +1,82 @@
+part of '../main.dart';
+
+class StateChangedEvent {
+  String entityId;
+  String newState;
+  bool needToRebuildUI;
+
+  StateChangedEvent({
+    this.entityId,
+    this.newState,
+    this.needToRebuildUI: false
+  });
+}
+
+class SettingsChangedEvent {
+  bool reconnect;
+
+  SettingsChangedEvent(this.reconnect);
+}
+
+class RefreshDataFinishedEvent {
+  RefreshDataFinishedEvent();
+}
+
+class ReloadUIEvent {
+  ReloadUIEvent();
+}
+
+class StartAuthEvent {
+  String oauthUrl;
+  bool showButton;
+
+  StartAuthEvent(this.oauthUrl, this.showButton);
+}
+
+class ServiceCallEvent {
+  String domain;
+  String service;
+  String entityId;
+  Map<String, dynamic> additionalParams;
+
+  ServiceCallEvent(this.domain, this.service, this.entityId, this.additionalParams);
+}
+
+class ShowPopupDialogEvent {
+  final String title;
+  final String body;
+  final String positiveText;
+  final String negativeText;
+  final  onPositive;
+  final  onNegative;
+
+  ShowPopupDialogEvent({this.title, this.body, this.positiveText: "Ok", this.negativeText: "Cancel", this.onPositive, this.onNegative});
+}
+
+class ShowPopupMessageEvent {
+  final String title;
+  final String body;
+  final String buttonText;
+  final  onButtonClick;
+
+  ShowPopupMessageEvent({this.title, this.body, this.buttonText: "Ok", this.onButtonClick});
+}
+
+class ShowEntityPageEvent {
+  Entity entity;
+
+  ShowEntityPageEvent(this.entity);
+}
+
+class ShowPageEvent {
+  final String path;
+  final bool goBackFirst;
+
+  ShowPageEvent({@required this.path, this.goBackFirst: false});
+}
+
+class ShowErrorEvent {
+  final HAError error;
+
+  ShowErrorEvent(this.error);
+}

lib/types/ha_error.dart

@@ -0,0 +1,45 @@
+part of '../main.dart';
+
+class HAError {
+  String message;
+  final List<HAErrorAction> actions;
+
+  HAError(this.message, {this.actions: const [HAErrorAction.tryAgain()]});
+
+  HAError.unableToConnect({this.actions = const [HAErrorAction.tryAgain()]}) {
+    this.message = "Unable to connect to Home Assistant";
+  }
+
+  HAError.disconnected({this.actions = const [HAErrorAction.reconnect()]}) {
+    this.message = "Disconnected";
+  }
+
+  HAError.checkConnectionSettings({this.actions = const [HAErrorAction.reload(), HAErrorAction(title: "Settings", type: HAErrorActionType.OPEN_CONNECTION_SETTINGS)]}) {
+    this.message = "Check connection settings";
+  }
+}
+
+class HAErrorAction {
+  final String title;
+  final int type;
+  final String url;
+
+  const HAErrorAction({@required this.title, this.type: HAErrorActionType.FULL_RELOAD, this.url});
+
+  const HAErrorAction.tryAgain({this.title = "Try again", this.type = HAErrorActionType.FULL_RELOAD, this.url});
+
+  const HAErrorAction.reconnect({this.title = "Reconnect", this.type = HAErrorActionType.FULL_RELOAD, this.url});
+
+  const HAErrorAction.reload({this.title = "Reload", this.type = HAErrorActionType.FULL_RELOAD, this.url});
+
+  const HAErrorAction.loginAgain({this.title = "Login again", this.type = HAErrorActionType.RELOGIN, this.url});
+
+}
+
+class HAErrorActionType {
+  static const FULL_RELOAD = 0;
+  static const QUICK_RELOAD = 1;
+  static const URL = 3;
+  static const OPEN_CONNECTION_SETTINGS = 4;
+  static const RELOGIN = 5;
+}

lib/ui_class/card.class.dart

@@ -29,7 +29,11 @@ class HACard {
     this.states,
     this.conditions: const [],
     @required this.type
-  });
+  }) {
+    if (this.columnsCount <= 0) {
+      this.columnsCount = 4;
+    }
+  }
 
   List<EntityWrapper> getEntitiesToShow() {
     return entities.where((entityWrapper) {

lib/ui_class/panel_class.dart

@@ -17,28 +17,26 @@ class Panel {
   final Map config;
   String icon;
   bool isHidden = true;
+  bool isWebView = false;
 
   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");
+    Logger.d("New panel '$title'. type=$type, icon=$icon, urlPath=$urlPath");
+    isHidden = (type == 'lovelace' || type == 'kiosk' || type == 'states' || type == 'profile' || type == 'developer-tools');
+    isWebView = (type != 'config');
   }
 
   void handleOpen(BuildContext context) {
-    if (type == "iframe") {
+    if (type == "config") {
-      Logger.d("Launching custom tab with ${config["url"]}");
-      HAUtils.launchURLInCustomTab(context: context, url: config["url"]);
-    } else if (type == "config") {
       Navigator.of(context).push(
           MaterialPageRoute(
             builder: (context) => PanelPage(title: "$title", panel: this),
           )
       );
     } else {
-      String url = "${Connection().httpWebHost}/$urlPath";
+      Launcher.launchAuthenticatedWebView(context: context, url: "${ConnectionManager().httpWebHost}/$urlPath", title: "${this.title}");
-      Logger.d("Launching custom tab with $url");
-      HAUtils.launchURLInCustomTab(context: context, url: url);
     }
   }
 

lib/ui_widgets/config_panel_widget.dart

@@ -1,331 +0,0 @@
-part of '../main.dart';
-
-class ConfigPanelWidget extends StatefulWidget {
-  ConfigPanelWidget({Key key}) : super(key: key);
-
-  @override
-  _ConfigPanelWidgetState createState() => new _ConfigPanelWidgetState();
-}
-
-class ConfigurationItem {
-  ConfigurationItem({ this.isExpanded: false, this.header, this.body });
-
-  bool isExpanded;
-  final String header;
-  final Widget body;
-}
-
-class _ConfigPanelWidgetState extends State<ConfigPanelWidget> {
-
-  List<ConfigurationItem> _items;
-
-  @override
-  void initState() {
-    super.initState();
-    _items = <ConfigurationItem>[
-      ConfigurationItem(
-          header: 'Home Assistant Cloud',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/cloud/account");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Integrations',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/integrations/dashboard");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Users',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/users/picker");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'General',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/core");
-                  },
-                ),
-                Container(height: Sizes.rowPadding,),
-                Text("Server management", style: TextStyle(fontSize: Sizes.largeFontSize)),
-                Container(height: Sizes.rowPadding,),
-                Text("Control your Home Assistant server from HA Client."),
-                Divider(),
-                Row(
-                  mainAxisSize: MainAxisSize.min,
-                  children: <Widget>[
-                    FlatButton(
-                      child: Text('Restart', style: TextStyle(color: Colors.blue)),
-                      onPressed: () => restart(),
-                    ),
-                    FlatButton(
-                      child: Text("Stop", style: TextStyle(color: Colors.blue)),
-                      onPressed: () => stop(),
-                    ),
-                  ],
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Persons',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/person");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Entity Registry',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/entity_registry");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Area Registry',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/area_registry");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Automation',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/automation");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Script',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/script");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Customization',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                FlatButton(
-                  child: Text('Open web version', style: TextStyle(color: Colors.blue)),
-                  onPressed: () {
-                    HAUtils.launchURLInCustomTab(context: context, url: Connection().httpWebHost+"/config/customize");
-                  },
-                )
-              ],
-            ),
-          )
-      ),
-      ConfigurationItem(
-          header: 'Mobile app',
-          body: Padding(
-            padding: EdgeInsets.fromLTRB(Sizes.leftWidgetPadding, 0.0, Sizes.rightWidgetPadding, Sizes.rowPadding),
-            child: Column(
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.min,
-              children: <Widget>[
-                Text("Registration", style: TextStyle(fontSize: Sizes.largeFontSize)),
-                Container(height: Sizes.rowPadding,),
-                Text("${HomeAssistant().userName}'s ${Device().model}, ${Device().osName} ${Device().osVersion}"),
-                Container(height: 6.0,),
-                Text("Here you can manually check if HA Client integration with your Home Assistant works fine. As mobileApp integration in Home Assistant is still in development, this is not 100% correct check."),
-                Divider(),
-                Row(
-                  mainAxisSize: MainAxisSize.min,
-                  children: <Widget>[
-                    FlatButton(
-                        onPressed: () => updateRegistration(),
-                        child: Text("Check registration", style: TextStyle(color: Colors.blue))
-                    ),
-                    FlatButton(
-                        onPressed: () => resetRegistration(),
-                        child: Text("Reset registration", style: TextStyle(color: Colors.red))
-                    )
-                  ],
-                )
-              ],
-            ),
-          )
-      )
-    ];
-  }
-
-  restart() {
-    eventBus.fire(ShowPopupDialogEvent(
-      title: "Are you sure you want to restart Home Assistant?",
-      body: "This will restart your Home Assistant server.",
-      positiveText: "Sure. Make it so",
-      negativeText: "What?? No!",
-      onPositive: () {
-        Connection().callService(domain: "homeassistant", service: "restart", entityId: null);
-      },
-    ));
-  }
-
-  stop() {
-    eventBus.fire(ShowPopupDialogEvent(
-      title: "Are you sure you wanr to STOP Home Assistant?",
-      body: "This will STOP your Home Assistant server. It means that your web interface as well as HA Client will not work untill you'll find a way to start your server using ssh or something.",
-      positiveText: "Sure. Make it so",
-      negativeText: "What?? No!",
-      onPositive: () {
-        Connection().callService(domain: "homeassistant", service: "stop", entityId: null);
-      },
-    ));
-  }
-
-  updateRegistration() {
-    HomeAssistant().checkAppRegistration(showOkDialog: true);
-  }
-
-  resetRegistration() {
-    eventBus.fire(ShowPopupDialogEvent(
-      title: "Waaaait",
-      body: "If you don't whant to have duplicate integrations and entities in your HA for your current device, first you need to remove MobileApp integration from Integration settings in HA and restart server.",
-      positiveText: "Done it already",
-      negativeText: "Ok, I will",
-      onPositive: () {
-        HomeAssistant().checkAppRegistration(showOkDialog: true, forceRegister: true);
-      },
-    ));
-  }
-
-  @override
-  Widget build(BuildContext context) {
-
-    return ListView(
-      children: [
-        new ExpansionPanelList(
-          expansionCallback: (int index, bool isExpanded) {
-            setState(() {
-              _items[index].isExpanded = !_items[index].isExpanded;
-            });
-          },
-          children: _items.map((ConfigurationItem item) {
-            return new ExpansionPanel(
-              headerBuilder: (BuildContext context, bool isExpanded) {
-                return CardHeaderWidget(
-                  name: item.header,
-                );
-              },
-              isExpanded: item.isExpanded,
-              body: new Container(
-                child: item.body,
-              ),
-            );
-          }).toList(),
-        ),
-      ],
-    );
-  }
-
-  @override
-  void dispose() {
-    super.dispose();
-  }
-}

lib/utils.class.dart

@@ -1,206 +0,0 @@
-part of 'main.dart';
-
-class Logger {
-
-  static List<String> _log = [];
-
-  static String getLog() {
-    String res = '';
-    _log.forEach((line) {
-      res += "$line\n";
-    });
-    return res;
-  }
-
-  static bool get isInDebugMode {
-    bool inDebugMode = false;
-
-    assert(inDebugMode = true);
-
-    return inDebugMode;
-  }
-
-  static void e(String message) {
-    _writeToLog("Error", message);
-  }
-
-  static void w(String message) {
-    _writeToLog("Warning", message);
-  }
-
-  static void d(String message) {
-    _writeToLog("Debug", message);
-  }
-
-  static void _writeToLog(String level, String message) {
-    if (isInDebugMode) {
-      debugPrint('$message');
-    }
-    DateTime t = DateTime.now();
-    _log.add("${formatDate(t, ["mm","dd"," ","HH",":","nn",":","ss"])} [$level] :  $message");
-    if (_log.length > 100) {
-      _log.removeAt(0);
-    }
-  }
-
-}
-
-class HAError {
-  String message;
-  final List<HAErrorAction> actions;
-
-  HAError(this.message, {this.actions: const [HAErrorAction.tryAgain()]});
-
-  HAError.unableToConnect({this.actions = const [HAErrorAction.tryAgain()]}) {
-    this.message = "Unable to connect to Home Assistant";
-  }
-
-  HAError.disconnected({this.actions = const [HAErrorAction.reconnect()]}) {
-    this.message = "Disconnected";
-  }
-
-  HAError.checkConnectionSettings({this.actions = const [HAErrorAction.reload(), HAErrorAction(title: "Settings", type: HAErrorActionType.OPEN_CONNECTION_SETTINGS)]}) {
-    this.message = "Check connection settings";
-  }
-}
-
-class HAErrorAction {
-  final String title;
-  final int type;
-  final String url;
-
-  const HAErrorAction({@required this.title, this.type: HAErrorActionType.FULL_RELOAD, this.url});
-
-  const HAErrorAction.tryAgain({this.title = "Try again", this.type = HAErrorActionType.FULL_RELOAD, this.url});
-
-  const HAErrorAction.reconnect({this.title = "Reconnect", this.type = HAErrorActionType.FULL_RELOAD, this.url});
-
-  const HAErrorAction.reload({this.title = "Reload", this.type = HAErrorActionType.FULL_RELOAD, this.url});
-
-  const HAErrorAction.loginAgain({this.title = "Login again", this.type = HAErrorActionType.FULL_RELOAD, this.url});
-
-}
-
-class HAErrorActionType {
-  static const FULL_RELOAD = 0;
-  static const QUICK_RELOAD = 1;
-  static const LOGOUT = 2;
-  static const URL = 3;
-  static const OPEN_CONNECTION_SETTINGS = 4;
-}
-
-class HAUtils {
-  static void launchURL(String url) async {
-    if (await urlLauncher.canLaunch(url)) {
-      await urlLauncher.launch(url);
-    } else {
-      Logger.e( "Could not launch $url");
-    }
-  }
-
-  static void launchURLInCustomTab({BuildContext context, String url, bool enableDefaultShare: true, bool showPageTitle: true}) async {
-    try {
-      await launch(
-        "$url",
-        option: new CustomTabsOption(
-          toolbarColor: Theme.of(context).primaryColor,
-          enableDefaultShare: enableDefaultShare,
-          enableUrlBarHiding: true,
-          showPageTitle: showPageTitle,
-          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 {
-  String entityId;
-  String newState;
-  bool needToRebuildUI;
-
-  StateChangedEvent({
-    this.entityId,
-    this.newState,
-    this.needToRebuildUI: false
-  });
-}
-
-class SettingsChangedEvent {
-  bool reconnect;
-
-  SettingsChangedEvent(this.reconnect);
-}
-
-class RefreshDataFinishedEvent {
-  RefreshDataFinishedEvent();
-}
-
-class ReloadUIEvent {
-  ReloadUIEvent();
-}
-
-class StartAuthEvent {
-  String oauthUrl;
-  bool showButton;
-
-  StartAuthEvent(this.oauthUrl, this.showButton);
-}
-
-class ServiceCallEvent {
-  String domain;
-  String service;
-  String entityId;
-  Map<String, dynamic> additionalParams;
-
-  ServiceCallEvent(this.domain, this.service, this.entityId, this.additionalParams);
-}
-
-class ShowPopupDialogEvent {
-  final String title;
-  final String body;
-  final String positiveText;
-  final String negativeText;
-  final  onPositive;
-  final  onNegative;
-
-  ShowPopupDialogEvent({this.title, this.body, this.positiveText: "Ok", this.negativeText: "Cancel", this.onPositive, this.onNegative});
-}
-
-class ShowPopupMessageEvent {
-  final String title;
-  final String body;
-  final String buttonText;
-  final  onButtonClick;
-
-  ShowPopupMessageEvent({this.title, this.body, this.buttonText: "Ok", this.onButtonClick});
-}
-
-class ShowEntityPageEvent {
-  Entity entity;
-
-  ShowEntityPageEvent(this.entity);
-}
-
-class ShowErrorEvent {
-  final HAError error;
-
-  ShowErrorEvent(this.error);
-}

lib/utils/launcher.dart

@@ -0,0 +1,69 @@
+part of '../main.dart';
+
+class Launcher {
+
+  static void launchURL(String url) async {
+    if (await urlLauncher.canLaunch(url)) {
+      await urlLauncher.launch(url);
+    } else {
+      Logger.e( "Could not launch $url");
+    }
+  }
+
+  static void launchAuthenticatedWebView({BuildContext context, String url, String title}) {
+    if (url.contains("?")) {
+      url += "&external_auth=1";
+    } else {
+      url += "?external_auth=1";
+    }
+    final flutterWebViewPlugin = new FlutterWebviewPlugin();
+    flutterWebViewPlugin.onStateChanged.listen((viewState) async {
+      if (viewState.type == WebViewState.startLoad) {
+        Logger.d("[WebView] Injecting external auth JS");
+        rootBundle.loadString('assets/js/externalAuth.js').then((js){
+          flutterWebViewPlugin.evalJavascript(js.replaceFirst("[token]", ConnectionManager()._token));
+        });
+      }
+    });
+    Navigator.of(context).pushNamed(
+        "/webview",
+        arguments: {
+          "url": "$url",
+          "title": "${title ?? ''}"
+        }
+    );
+  }
+
+  static void launchURLInCustomTab({BuildContext context, String url, bool enableDefaultShare: true, bool showPageTitle: true}) async {
+    try {
+      await launch(
+        "$url",
+        option: new CustomTabsOption(
+          toolbarColor: Theme.of(context).primaryColor,
+          enableDefaultShare: enableDefaultShare,
+          enableUrlBarHiding: true,
+          showPageTitle: showPageTitle,
+          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");
+      Launcher.launchURL(url);
+    }
+  }
+
+}

lib/utils/logger.dart

@@ -0,0 +1,46 @@
+part of '../main.dart';
+
+class Logger {
+
+  static List<String> _log = [];
+
+  static String getLog() {
+    String res = '';
+    _log.forEach((line) {
+      res += "$line\n";
+    });
+    return res;
+  }
+
+  static bool get isInDebugMode {
+    bool inDebugMode = false;
+
+    assert(inDebugMode = true);
+
+    return inDebugMode;
+  }
+
+  static void e(String message) {
+    _writeToLog("Error", message);
+  }
+
+  static void w(String message) {
+    _writeToLog("Warning", message);
+  }
+
+  static void d(String message) {
+    _writeToLog("Debug", message);
+  }
+
+  static void _writeToLog(String level, String message) {
+    if (isInDebugMode) {
+      debugPrint('$message');
+    }
+    DateTime t = DateTime.now();
+    _log.add("${formatDate(t, ["mm","dd"," ","HH",":","nn",":","ss"])} [$level] :  $message");
+    if (_log.length > 100) {
+      _log.removeAt(0);
+    }
+  }
+
+}

pubspec.lock

@@ -49,14 +49,14 @@ packages:
       name: charts_common
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.0"
+    version: "0.8.0"
   charts_flutter:
     dependency: "direct main"
     description:
       name: charts_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.0"
+    version: "0.8.0"
   collection:
     dependency: transitive
     description:
@@ -77,7 +77,7 @@ packages:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1+1"
+    version: "2.1.2"
   date_format:
     dependency: "direct main"
     description:
@@ -131,7 +131,7 @@ packages:
       name: flutter_launcher_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.2+1"
+    version: "0.7.3"
   flutter_local_notifications:
     dependency: "direct main"
     description:
@@ -192,7 +192,7 @@ packages:
       name: in_app_purchase
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.1"
+    version: "0.2.1+3"
   intl:
     dependency: transitive
     description:
@@ -309,7 +309,7 @@ packages:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6+3"
+    version: "1.1.6+4"
   stack_trace:
     dependency: transitive
     description:

pubspec.yaml

@@ -1,7 +1,7 @@
 name: hass_client
 description: Home Assistant Android Client
 
-version: 0.6.4+640
+version: 0.6.5+652
 
 environment:
   sdk: ">=2.0.0-dev.68.0 <3.0.0"
@@ -18,7 +18,7 @@ dependencies:
   date_format: any
   charts_flutter: any
   flutter_markdown: any
-  in_app_purchase: ^0.2.1
+  in_app_purchase: ^0.2.1+2
 #  flutter_svg: ^0.10.3
   flutter_custom_tabs: ^0.6.0
   firebase_messaging: ^5.1.4
@@ -48,9 +48,9 @@ flutter:
   # the material Icons class.
   uses-material-design: true
 
-  # To add assets to your application, add an assets section, like this:
   assets:
     - images/hassio-192x192.png
+    - assets/js/externalAuth.js
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.io/assets-and-images/#resolution-aware.