Created
July 5, 2021 05:38
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class HomeScreen extends StatefulWidget { | |
HomeScreen(); | |
@override | |
_HomeScreenState createState() { | |
return _HomeScreenState(); | |
} | |
} | |
class _HomeScreenState extends State<HomeScreen> { | |
final postBloc = PostBloc(); | |
@override | |
void initState() { | |
super.initState(); | |
postBloc.eventSink.add(PostBlocAction.FetchPosts); | |
} | |
@override | |
void dispose() { | |
super.dispose(); | |
postBloc.dispose(); | |
} | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
body: StreamBuilder<PostResponse>( | |
stream: postBloc.postStream, | |
builder: (context, snapshotPostData) { | |
if (snapshotPostData.hasData) { | |
if (snapshotPostData.data == null) { | |
return Container(); | |
} else { | |
if(snapshotPostData.data == null || snapshotPostData.data.length == 0){ | |
return Text("No Data Found!"); | |
}else{ | |
return Container( | |
height: MediaQuery.of(context).size.height, | |
width: MediaQuery.of(context).size.width, | |
margin: EdgeInsets.fromLTRB(0, 20, 0, 0), | |
child: ListView.builder( | |
padding: EdgeInsets.only( | |
top: 20.0, | |
left: 20.0, | |
bottom: 20.0, | |
right: 20.0, | |
), | |
itemCount: snapshotPostData.data.length, | |
itemBuilder: (context, index) { | |
return Padding( | |
padding: EdgeInsets.only( | |
bottom: 5, | |
), | |
child: ListTile( | |
title: snapshotPostData.data[index].title, | |
subtitle: snapshotPostData.data[index].body, | |
), | |
); | |
}, | |
), | |
); | |
} | |
} | |
} else if (snapshotPostData.hasError) { | |
return Padding( | |
padding: EdgeInsets.only( | |
top: 10.0, | |
left: 20.0, | |
bottom: 20.0, | |
right: 20.0, | |
), | |
child: Center( | |
child: Text('${snapshotPostData.error}'), | |
), | |
); | |
} | |
return Padding( | |
padding: EdgeInsets.all(20.0), | |
child: Center( | |
child: CircularProgressIndicator( | |
valueColor: new AlwaysStoppedAnimation<Color>( | |
Colors.blue)), | |
) | |
); | |
}, | |
), ); | |
} | |
} |
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