Socket connection and entity service call
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estevez
parent
be6cd7dbd7
commit
b2bb5f78f6
156
lib/main.dart
156
lib/main.dart
@ -2,12 +2,14 @@ import 'dart:convert';
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import 'package:http/http.dart' as http;
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import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:web_socket_channel/io.dart';
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import 'package:web_socket_channel/status.dart' as socketStatus;
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part 'settings.dart';
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void main() => runApp(new MyApp());
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void main() => runApp(new HassClientApp());
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class MyApp extends StatelessWidget {
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class HassClientApp extends StatelessWidget {
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// This widget is the root of your application.
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@override
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Widget build(BuildContext context) {
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@ -44,64 +46,130 @@ class MainPage extends StatefulWidget {
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}
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class _MainPageState extends State<MainPage> {
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List _composedEntitiesData = [];
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List _entitiesData = [];
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Map _servicesData = {};
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String _hassioAPIEndpoint = "";
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String _hassioPassword = "";
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IOWebSocketChannel _hassioChannel;
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int _entitiesMessageId = 0;
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int _servicesMessageId = 1;
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int _servicCallMessageId = 2;
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@override
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void initState() {
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super.initState();
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_loadSettings();
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_initClient();
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}
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_loadSettings() async {
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_initClient() async {
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SharedPreferences prefs = await SharedPreferences.getInstance();
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setState(() {
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_hassioAPIEndpoint = "https://" + prefs.getString('hassio-domain') +":" + prefs.getString('hassio-port') + "/api/";
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_hassioAPIEndpoint = "wss://" + prefs.getString('hassio-domain') +":" + prefs.getString('hassio-port') + "/api/websocket";
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_hassioPassword = prefs.getString('hassio-password');
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});
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_connectSocket();
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}
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_connectSocket() async {
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_hassioChannel = await IOWebSocketChannel.connect(_hassioAPIEndpoint);
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_hassioChannel.stream.listen((message) {
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_handleSocketMessage(message);
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});
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debugPrint("Socket connected!");
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}
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_handleSocketMessage(message) {
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debugPrint("<== Message from Home Assistant:");
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debugPrint(message);
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var data = json.decode(message);
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if (data["type"] == "auth_required") {
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_sendHassioAuth();
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} else if (data["type"] == "auth_ok") {
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debugPrint("Auth done!");
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_startDataFetching();
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} else if (data["type"] == "result") {
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if (data["success"] == true) {
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if (data["id"] == _entitiesMessageId) {
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_loadEntities(data["result"]);
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_sendRawMessage('{"id": $_servicesMessageId, "type": "get_services"}');
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} else if (data["id"] == _servicesMessageId) {
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_loadServices(data["result"]);
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}
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} else {
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/*
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Handle error here
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*/
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}
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}
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}
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_incrementMessageId() {
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_entitiesMessageId = _servicCallMessageId + 1;
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_servicesMessageId = _entitiesMessageId + 1;
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_servicCallMessageId = _servicesMessageId + 1;
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}
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_sendHassioAuth() {
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_sendRawMessage('{"type": "auth","api_password": "$_hassioPassword"}');
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}
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_startDataFetching() {
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_incrementMessageId();
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_sendRawMessage('{"id": $_entitiesMessageId, "type": "get_states"}');
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}
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_sendRawMessage(message) {
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debugPrint("==> Sending to Home Assistant:");
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debugPrint(message);
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_hassioChannel.sink.add(message);
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}
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_sendServiceCall(String domain, String service, String entityId) {
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_incrementMessageId();
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_sendRawMessage('{"id": $_servicCallMessageId, "type": "call_service", "domain": "$domain", "service": "$service", "service_data": {"entity_id": "$entityId"}}');
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}
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void _loadServices(Map data) {
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setState(() {
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_servicesData = Map.from(data);
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});
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}
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void _loadHassioData() async {
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await _loadSettings();
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http.Response entitiesResponse = await http.get(_hassioAPIEndpoint + "states", headers: {"X-HA-Access": _hassioPassword, "Content-Type": "application/json"});
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http.Response servicesResponse = await http.get(_hassioAPIEndpoint + "services", headers: {"X-HA-Access": _hassioPassword, "Content-Type": "application/json"});
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http.Response configResponse = await http.get(_hassioAPIEndpoint + "config", headers: {"X-HA-Access": _hassioPassword, "Content-Type": "application/json"});
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List _entities = json.decode(entitiesResponse.body);
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List _services = json.decode(servicesResponse.body);
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Map _config = json.decode(configResponse.body);
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List result = [];
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_entities.forEach((entity) {
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var composedEntity = Map();
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composedEntity["entity_id"] = entity["entity_id"];
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void _loadEntities(List data) {
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Map switchServices = {
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"turn_on": {},
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"turn_off": {},
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"toggle": {}
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};
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debugPrint("Getting Home Assistant entities: ${data.length}");
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data.forEach((entity) {
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var composedEntity = Map.from(entity);
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composedEntity["display_name"] = "${entity["attributes"]!=null ? entity["attributes"]["friendly_name"] ?? entity["attributes"]["name"] : "_"}";
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composedEntity["state"] = entity["state"];
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composedEntity["last_changed"] = entity["last_changed"];
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String entityDomain = entity["entity_id"].split(".")[0];
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composedEntity["domain"] = entityDomain;
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_services.forEach((service) {
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if (service["domain"] == entityDomain) {
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composedEntity["services"] = new Map.from(service["services"]);
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}
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});
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if ((entityDomain == "automation") || (entityDomain == "light") || (entityDomain == "switch") || (entityDomain == "script")) {
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composedEntity["services"] = Map.from(switchServices);
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}
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result.add(composedEntity);
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});
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setState(() {
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_composedEntitiesData = result;
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setState(() {
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_entitiesData.add(composedEntity);
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});
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});
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}
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Widget buildEntityButtons(int i) {
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if (_composedEntitiesData[i]["services"] == null || _composedEntitiesData[i]["services"].length == 0) {
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if (_entitiesData[i]["services"] == null || _entitiesData[i]["services"].length == 0) {
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return new Container(width: 0.0, height: 0.0);
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}
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List<Widget> buttons = [];
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_composedEntitiesData[i]["services"].forEach((key, value) {
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_entitiesData[i]["services"].forEach((key, value) {
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buttons.add(new FlatButton(
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child: Text(_composedEntitiesData[i]["domain"] + ".$key"),
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onPressed: () {/*......*/},
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child: Text(_entitiesData[i]["domain"] + ".$key"),
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onPressed: () {
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_sendServiceCall(_entitiesData[i]["domain"], key, _entitiesData[i]["entity_id"]);
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},
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));
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});
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return ButtonBar(
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@ -109,16 +177,16 @@ class _MainPageState extends State<MainPage> {
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);
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}
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Widget parseEntity(int i) {
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Widget buildEntityCard(int i) {
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return Card(
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child: new Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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new ListTile(
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leading: const Icon(Icons.device_hub),
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subtitle: Text("${_composedEntitiesData[i]["entity_id"]}"),
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trailing: Text("${_composedEntitiesData[i]["state"]}"),
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title: Text("${_composedEntitiesData[i]["display_name"]}"),
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subtitle: Text("${_entitiesData[i]["entity_id"]}"),
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trailing: Text("${_entitiesData[i]["state"]}"),
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title: Text("${_entitiesData[i]["display_name"]}"),
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),
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new ButtonTheme.bar( // make buttons use the appropriate styles for cards
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child: buildEntityButtons(i),
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@ -131,7 +199,7 @@ class _MainPageState extends State<MainPage> {
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return Padding(
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padding: EdgeInsets.all(10.0),
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child: Text("Row ${_composedEntitiesData[i]["entity_id"]}")
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child: Text("Row ${_entitiesData[i]["entity_id"]}")
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);
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}
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@ -175,15 +243,21 @@ class _MainPageState extends State<MainPage> {
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),
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),
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body: ListView.builder(
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itemCount: _composedEntitiesData.length,
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itemCount: _entitiesData.length,
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itemBuilder: (BuildContext context, int position) {
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return parseEntity(position);
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return buildEntityCard(position);
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}),
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floatingActionButton: new FloatingActionButton(
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onPressed: _loadHassioData,
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onPressed: _startDataFetching,
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tooltip: 'Increment',
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child: new Icon(Icons.refresh),
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), // This trailing comma makes auto-formatting nicer for build methods.
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);
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}
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@override
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void dispose() {
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_hassioChannel.sink.close();
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super.dispose();
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}
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}
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@ -12,7 +12,7 @@ import 'package:hass_client/main.dart';
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void main() {
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testWidgets('Counter increments smoke test', (WidgetTester tester) async {
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// Build our app and trigger a frame.
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await tester.pumpWidget(new MyApp());
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await tester.pumpWidget(new HassClientApp());
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// Verify that our counter starts at 0.
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expect(find.text('0'), findsOneWidget);
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