talksik/stream-chat-flutter
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Merge branch 'master' into feat/pin-message

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This commit is contained in:
Sahil Kumar
2021-02-19 20:04:05 +05:30
committed by GitHub
parent c2bdb342a0 6f60bb8abb
commit 7b70372f46
1 changed files with 83 additions and 57 deletions
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packages/stream_chat_flutter_core/example/lib/main.dart
+83 -57
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@@ -120,7 +120,17 @@ class HomeScreen extends StatelessWidget {
final _item = channels[index]; final _item = channels[index];
return ListTile( return ListTile(
title: Text(_item.name), title: Text(_item.name),
subtitle: Text(_item.state.lastMessage.text), subtitle: StreamBuilder<Message>(
stream: _item.state.lastMessageStream,
initialData: _item.state.lastMessage,
builder: (context, snapshot) {
if (snapshot.hasData) {
return Text(snapshot.data.text);
}
return SizedBox();
},
),
onTap: () { onTap: () {
/// Display a list of messages when the user taps on an item. /// Display a list of messages when the user taps on an item.
/// We can use [StreamChannel] to wrap our [MessageScreen] screen /// We can use [StreamChannel] to wrap our [MessageScreen] screen
@@ -161,6 +171,7 @@ class MessageScreen extends StatefulWidget {
class _MessageScreenState extends State<MessageScreen> { class _MessageScreenState extends State<MessageScreen> {
TextEditingController _controller; TextEditingController _controller;
ScrollController _scrollController; ScrollController _scrollController;
final messageListController = MessageListController();
@override @override
void initState() { void initState() {
@@ -191,68 +202,83 @@ class _MessageScreenState extends State<MessageScreen> {
final channel = StreamChannel.of(context).channel; final channel = StreamChannel.of(context).channel;
return Scaffold( return Scaffold(
appBar: AppBar( appBar: AppBar(
title: Text(channel.name), title: StreamBuilder<List<User>>(
initialData: channel.state.typingEvents,
stream: channel.state.typingEventsStream,
builder: (context, snapshot) {
if (snapshot.hasData && snapshot.data.isNotEmpty) {
return Text('${snapshot.data.first.name} is typing...');
}
return SizedBox();
},
),
), ),
body: SafeArea( body: SafeArea(
child: Column( child: Column(
children: [ children: [
Expanded( Expanded(
child: MessageListCore( child: LazyLoadScrollView(
emptyBuilder: (BuildContext context) { onEndOfPage: () async {
return Center( messageListController.paginateData();
child: Text('Nothing here yet'),
);
},
loadingBuilder: (BuildContext context) {
return Center(
child: SizedBox(
height: 100.0,
width: 100.0,
child: CircularProgressIndicator(),
),
);
},
messageListBuilder: (
BuildContext context,
List<Message> messages,
) {
return ListView.builder(
controller: _scrollController,
itemCount: messages.length,
reverse: true,
itemBuilder: (BuildContext context, int index) {
final item = messages[index];
final client = StreamChatCore.of(context).client;
if (item.user.id == client.uid) {
return Align(
alignment: Alignment.centerRight,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(item.text),
),
);
} else {
return Align(
alignment: Alignment.centerLeft,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(item.text),
),
);
}
},
);
},
errorWidgetBuilder: (BuildContext context, error) {
print(error?.toString());
return Center(
child: SizedBox(
height: 100.0,
width: 100.0,
child: Text('Oh no, an error occured. Please see logs.'),
),
);
}, },
child: MessageListCore(
emptyBuilder: (BuildContext context) {
return Center(
child: Text('Nothing here yet'),
);
},
loadingBuilder: (BuildContext context) {
return Center(
child: SizedBox(
height: 100.0,
width: 100.0,
child: CircularProgressIndicator(),
),
);
},
messageListBuilder: (
BuildContext context,
List<Message> messages,
) {
return ListView.builder(
controller: _scrollController,
itemCount: messages.length,
reverse: true,
itemBuilder: (BuildContext context, int index) {
final item = messages[index];
final client = StreamChatCore.of(context).client;
if (item.user.id == client.uid) {
return Align(
alignment: Alignment.centerRight,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(item.text),
),
);
} else {
return Align(
alignment: Alignment.centerLeft,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(item.text),
),
);
}
},
);
},
errorWidgetBuilder: (BuildContext context, error) {
print(error?.toString());
return Center(
child: SizedBox(
height: 100.0,
width: 100.0,
child:
Text('Oh no, an error occured. Please see logs.'),
),
);
},
),
), ),
), ),
Padding( Padding(