famedlysdk/example/main.dart
Christian Pauly a11a0b5925 Add example
2020-08-05 05:57:02 +00:00

265 lines
8.1 KiB
Dart

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