Flutter: how to prevent device orientation changes and force portrait?

Question

I would like to prevent my application from changing its orientation and force the layout to stick to \"portrait\".

In the main.dart, I put:

void mai         


        

Answer 1

As of new flutter versions along with setting the preferred Orientation we need to add one extra line i.e

 WidgetsFlutterBinding.ensureInitialized();

So working code for this is -

import 'package:flutter/services.dart';
    void main() {
          WidgetsFlutterBinding.ensureInitialized();
          SystemChrome.setPreferredOrientations([
            DeviceOrientation.portraitUp,
            DeviceOrientation.portraitDown
          ]);
          runApp(MyApp());
        }