talksik/stream-chat-flutter
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migrate sample app

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This commit is contained in:
Salvatore Giordano
2021-04-20 13:14:07 +02:00
parent bc9e0d0285
commit 4c4473d4b5
8 changed files with 77 additions and 71 deletions
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packages/stream_chat_flutter_core/example/lib/main.dart
+30 -27
View File
@@ -38,8 +38,8 @@ class StreamExample extends StatelessWidget {
/// If you'd prefer using pre-made UI widgets for your app, please see our other
/// package, `stream_chat_flutter`.
const StreamExample({
Key key,
@required this.client,
Key? key,
required this.client,
}) : super(key: key);
/// Instance of Stream Client.
@@ -55,7 +55,7 @@ class StreamExample extends StatelessWidget {
home: HomeScreen(),
builder: (context, child) => StreamChatCore(
client: client,
child: child,
child: child!,
),
);
}
@@ -82,7 +82,7 @@ class HomeScreen extends StatelessWidget {
'type': 'messaging',
'members': {
r'$in': [
StreamChatCore.of(context).user.id,
StreamChatCore.of(context).user!.id,
]
}
},
@@ -100,10 +100,13 @@ class HomeScreen extends StatelessWidget {
),
);
},
errorBuilder: (BuildContext context, dynamic error) {
errorBuilder: (
BuildContext context,
dynamic error,
) {
return Center(
child: Text(
'Oh no, something went wrong. Please check your config.'),
'Oh no, something went wrong. Please check your config. ${error}'),
);
},
listBuilder: (
@@ -112,20 +115,20 @@ class HomeScreen extends StatelessWidget {
) =>
LazyLoadScrollView(
onEndOfPage: () async {
channelListController.paginateData();
channelListController.paginateData!();
},
child: ListView.builder(
itemCount: channels.length,
itemBuilder: (BuildContext context, int index) {
final _item = channels[index];
return ListTile(
title: Text(_item.name),
subtitle: StreamBuilder<Message>(
stream: _item.state.lastMessageStream,
initialData: _item.state.lastMessage,
title: Text(_item.name!),
subtitle: StreamBuilder<Message?>(
stream: _item.state!.lastMessageStream,
initialData: _item.state!.lastMessage,
builder: (context, snapshot) {
if (snapshot.hasData) {
return Text(snapshot.data.text);
return Text(snapshot.data!.text!);
}
return SizedBox();
@@ -169,8 +172,8 @@ class MessageScreen extends StatefulWidget {
}
class _MessageScreenState extends State<MessageScreen> {
TextEditingController _controller;
ScrollController _scrollController;
late final TextEditingController _controller;
late final ScrollController _scrollController;
final messageListController = MessageListController();
@override
@@ -203,11 +206,11 @@ class _MessageScreenState extends State<MessageScreen> {
return Scaffold(
appBar: AppBar(
title: StreamBuilder<List<User>>(
initialData: channel.state.typingEvents,
stream: channel.state.typingEventsStream,
initialData: channel.state?.typingEvents,
stream: channel.state?.typingEventsStream,
builder: (context, snapshot) {
if (snapshot.hasData && snapshot.data.isNotEmpty) {
return Text('${snapshot.data.first.name} is typing...');
if (snapshot.hasData && snapshot.data!.isNotEmpty) {
return Text('${snapshot.data!.first.name} is typing...');
}
return SizedBox();
},
@@ -219,7 +222,7 @@ class _MessageScreenState extends State<MessageScreen> {
Expanded(
child: LazyLoadScrollView(
onEndOfPage: () async {
messageListController.paginateData();
messageListController.paginateData!();
},
child: MessageListCore(
emptyBuilder: (BuildContext context) {
@@ -247,12 +250,12 @@ class _MessageScreenState extends State<MessageScreen> {
itemBuilder: (BuildContext context, int index) {
final item = messages[index];
final client = StreamChatCore.of(context).client;
if (item.user.id == client.uid) {
if (item.user!.id == client.uid) {
return Align(
alignment: Alignment.centerRight,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(item.text),
child: Text(item.text!),
),
);
} else {
@@ -260,7 +263,7 @@ class _MessageScreenState extends State<MessageScreen> {
alignment: Alignment.centerLeft,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(item.text),
child: Text(item.text!),
),
);
}
@@ -268,7 +271,7 @@ class _MessageScreenState extends State<MessageScreen> {
);
},
errorWidgetBuilder: (BuildContext context, error) {
print(error?.toString());
print(error.toString());
return Center(
child: SizedBox(
height: 100.0,
@@ -282,7 +285,7 @@ class _MessageScreenState extends State<MessageScreen> {
),
),
Padding(
padding: const EdgeInsets.all(8.0),
padding: const EdgeInsets.all(8),
child: Row(
children: [
Expanded(
@@ -308,7 +311,7 @@ class _MessageScreenState extends State<MessageScreen> {
}
},
child: const Padding(
padding: EdgeInsets.all(8.0),
padding: EdgeInsets.all(8),
child: Center(
child: Icon(
Icons.send,
@@ -332,12 +335,12 @@ class _MessageScreenState extends State<MessageScreen> {
/// below, we add two simple extensions to the [StreamChatClient] and [Channel].
extension on StreamChatClient {
/// Fetches the current user id.
String get uid => state.user.id;
String get uid => state.user!.id;
}
extension on Channel {
/// Fetches the name of the channel by accessing [extraData] or [cid].
String get name {
String? get name {
final _channelName = extraData['name'];
if (_channelName != null) {
return _channelName;
packages/stream_chat_flutter_core/example/pubspec.yaml
+1 -1
View File
@@ -18,7 +18,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
version: 1.0.0+1
environment:
sdk: ">=2.7.0 <3.0.0"
sdk: '>=2.12.0 <3.0.0'
dependencies:
flutter: