Add example
This commit is contained in:
Christian Pauly
parent
e1fa4983d0
commit
a11a0b5925
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@ -7,5 +7,5 @@ linter:
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analyzer:
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errors:
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todo: ignore
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# exclude:
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# - path/to/excluded/files/**
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exclude:
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- example/main.dart
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@ -0,0 +1,264 @@
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import 'package:famedlysdk/famedlysdk.dart';
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import 'package:flutter/material.dart';
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void main() {
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runApp(FamedlySdkExampleApp());
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}
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class FamedlySdkExampleApp extends StatelessWidget {
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static Client client = Client('Famedly SDK Example Client', debug: true);
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Famedly SDK Example App',
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home: LoginView(),
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);
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}
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}
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class LoginView extends StatefulWidget {
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@override
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_LoginViewState createState() => _LoginViewState();
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}
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class _LoginViewState extends State<LoginView> {
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final TextEditingController _homeserverController = TextEditingController();
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final TextEditingController _usernameController = TextEditingController();
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final TextEditingController _passwordController = TextEditingController();
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bool _isLoading = false;
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String _error;
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void _loginAction() async {
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setState(() => _isLoading = true);
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setState(() => _error = null);
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try {
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if (await FamedlySdkExampleApp.client
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.checkServer(_homeserverController.text) ==
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false) {
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throw (Exception('Server not supported'));
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}
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if (await FamedlySdkExampleApp.client.login(
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_usernameController.text,
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_passwordController.text,
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) ==
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false) {
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throw (Exception('Username or password incorrect'));
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}
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Navigator.of(context).pushAndRemoveUntil(
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MaterialPageRoute(builder: (_) => ChatListView()),
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(route) => false,
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);
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} catch (e) {
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setState(() => _error = e.toString());
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}
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setState(() => _isLoading = false);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: Text('Login')),
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body: ListView(
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padding: const EdgeInsets.all(16),
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children: [
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TextField(
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controller: _homeserverController,
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readOnly: _isLoading,
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autocorrect: false,
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decoration: InputDecoration(
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labelText: 'Homeserver',
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hintText: 'https://matrix.org',
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),
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),
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SizedBox(height: 8),
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TextField(
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controller: _usernameController,
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readOnly: _isLoading,
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autocorrect: false,
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decoration: InputDecoration(
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labelText: 'Username',
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hintText: '@username:domain',
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),
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),
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SizedBox(height: 8),
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TextField(
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controller: _passwordController,
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obscureText: true,
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readOnly: _isLoading,
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autocorrect: false,
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decoration: InputDecoration(
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labelText: 'Password',
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hintText: '****',
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errorText: _error,
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),
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),
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SizedBox(height: 8),
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RaisedButton(
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child: _isLoading ? LinearProgressIndicator() : Text('Login'),
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onPressed: _isLoading ? null : _loginAction,
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),
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],
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),
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);
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}
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}
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class ChatListView extends StatefulWidget {
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@override
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_ChatListViewState createState() => _ChatListViewState();
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}
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class _ChatListViewState extends State<ChatListView> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text('Chats'),
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),
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body: StreamBuilder(
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stream: FamedlySdkExampleApp.client.onSync.stream,
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builder: (c, s) => ListView.builder(
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itemCount: FamedlySdkExampleApp.client.rooms.length,
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itemBuilder: (BuildContext context, int i) {
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final room = FamedlySdkExampleApp.client.rooms[i];
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return ListTile(
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title: Text(room.displayname + ' (${room.notificationCount})'),
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subtitle: Text(room.lastMessage, maxLines: 1),
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leading: CircleAvatar(
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backgroundImage: NetworkImage(room.avatar.getThumbnail(
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FamedlySdkExampleApp.client,
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width: 64,
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height: 64,
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)),
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),
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onTap: () => Navigator.of(context).push(
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MaterialPageRoute(
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builder: (_) => ChatView(room: room),
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),
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),
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);
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},
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),
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),
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);
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}
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}
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class ChatView extends StatefulWidget {
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final Room room;
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const ChatView({Key key, @required this.room}) : super(key: key);
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@override
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_ChatViewState createState() => _ChatViewState();
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}
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class _ChatViewState extends State<ChatView> {
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final TextEditingController _controller = TextEditingController();
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void _sendAction() {
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print('Send Text');
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widget.room.sendTextEvent(_controller.text);
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_controller.clear();
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}
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Timeline timeline;
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Future<bool> getTimeline() async {
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timeline ??=
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await widget.room.getTimeline(onUpdate: () => setState(() => null));
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return true;
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}
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@override
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void dispose() {
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timeline?.cancelSubscriptions();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: StreamBuilder<Object>(
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stream: widget.room.onUpdate.stream,
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builder: (context, snapshot) {
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return Text(widget.room.displayname);
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}),
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),
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body: Column(
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children: [
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Expanded(
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child: FutureBuilder(
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future: getTimeline(),
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builder: (context, snapshot) => !snapshot.hasData
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? Center(
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child: CircularProgressIndicator(),
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)
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: ListView.builder(
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reverse: true,
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itemCount: timeline.events.length,
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itemBuilder: (BuildContext context, int i) => Opacity(
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opacity: timeline.events[i].status != 2 ? 0.5 : 1,
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child: ListTile(
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title: Row(
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children: [
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Expanded(
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child: Text(
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timeline.events[i].sender.calcDisplayname(),
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),
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),
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Text(
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timeline.events[i].originServerTs
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.toIso8601String(),
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style: TextStyle(fontSize: 12),
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),
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],
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),
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subtitle: Text(timeline.events[i].body),
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leading: CircleAvatar(
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child: timeline.events[i].sender?.avatarUrl == null
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? Icon(Icons.person)
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: null,
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backgroundImage:
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timeline.events[i].sender?.avatarUrl != null
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? NetworkImage(
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timeline.events[i].sender?.avatarUrl
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?.getThumbnail(
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FamedlySdkExampleApp.client,
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width: 64,
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height: 64,
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),
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)
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: null,
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),
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),
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),
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),
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),
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),
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Container(
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height: 60,
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child: Row(
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children: [
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Expanded(
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child: TextField(
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controller: _controller,
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decoration: InputDecoration(
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contentPadding: const EdgeInsets.symmetric(horizontal: 8),
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labelText: 'Send a message ...',
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),
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),
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),
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IconButton(
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icon: Icon(Icons.send),
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onPressed: _sendAction,
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)
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],
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),
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),
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],
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),
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);
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}
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}
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@ -215,7 +215,7 @@ class Timeline {
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// Redaction events are handled as modification for existing events.
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if (eventUpdate.eventType == EventTypes.Redaction) {
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final eventId = _findEvent(event_id: eventUpdate.content['redacts']);
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if (eventId != null) {
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if (eventId < events.length) {
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removeAggregatedEvent(events[eventId]);
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events[eventId].setRedactionEvent(Event.fromJson(
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eventUpdate.content, room, eventUpdate.sortOrder));
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@ -262,9 +262,10 @@ class Timeline {
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}
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}
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sortAndUpdate();
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} catch (e) {
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} catch (e, s) {
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if (room.client.debug) {
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print('[WARNING] (_handleEventUpdate) ${e.toString()}');
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print(s);
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}
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}
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}
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