Flutter block rotation

How to stop screen rotation in flutter

  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      SystemChrome.setPreferredOrientations([
        DeviceOrientation.portraitUp,
        DeviceOrientation.portraitDown,
      ]);
      return new MaterialApp(...);
    }
  }

Source: stackoverflow.com

Flutter portrait only

// This will works always for lock screen Orientation.
void main() {
  WidgetsFlutterBinding.ensureInitialized();
  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp])
    .then((_) {
      runApp(new MyApp());
    });
}

Source: stackoverflow.com

Flutter block rotation

class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
    // This vvvv
      SystemChrome.setPreferredOrientations([
        DeviceOrientation.portraitUp,
        DeviceOrientation.portraitDown,
      ]);
    // ^^^^
      return new MaterialApp(...);
    }
  }

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