Switch case with future builder

PHOTO EMBED

Fri Aug 27 2021 05:58:23 GMT+0000 (Coordinated Universal Time)

Saved by @lkrjangid #flutter #dart

@override
Widget build(BuildContext context) {

  return new FutureBuilder<User>(
      future: userInfo,
      builder: (BuildContext context, AsyncSnapshot<User> snapshot) 
    {
      switch(snapshot.connectionState) {
        case ConnectionState.none:
          _showDialog(context);
          return Container();
        case ConnectionState.waiting:
          return new Center(
            child: new CircularProgressIndicator());
        case ConnectionState.active:
          return new Text('');
        case ConnectionState.done:
          if(snapshot.hasError) {
            error = snapshot.error;
            _showDialog(context);
            return Container();
          } else {
            return Container();
          }
      }
  });
content_copyCOPY

https://medium.com/flutter-community/flutter-threading-5c3a7b0c065f