Files
stream-chat-flutter/lib/src/channel_image.dart
T

52 lines
1.7 KiB
Dart

import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:stream_chat/stream_chat.dart';
import 'package:stream_chat_flutter/stream_chat_flutter.dart';
class ChannelImage extends StatelessWidget {
const ChannelImage({
Key key,
@required this.channel,
this.size = 40,
}) : super(key: key);
final Channel channel;
final double size;
@override
Widget build(BuildContext context) {
return StreamBuilder<Map<String, dynamic>>(
stream: channel.extraDataStream,
initialData: channel.extraData,
builder: (context, snapshot) {
return Container(
padding: const EdgeInsets.all(4),
constraints: StreamChatTheme.of(context)
.channelPreviewTheme
.avatarTheme
.constraints,
decoration: BoxDecoration(
borderRadius: StreamChatTheme.of(context)
.channelPreviewTheme
.avatarTheme
.borderRadius,
color: StreamChatTheme.of(context).accentColor,
),
child: snapshot.data?.containsKey('image') ?? false
? CachedNetworkImage(
imageUrl: snapshot.data['image'],
errorWidget: (_, __, ___) {
return Center(
child: Text(snapshot.data?.containsKey('name') ?? false
? snapshot.data['name'][0]
: ''),
);
},
fit: BoxFit.cover,
)
: SizedBox(),
);
});
}
}