Flutter: How to set and lock screen orientation | Lock the entire app or specific screen orientation
import 'package:flutter/services.dart';
WidgetsFlutterBinding.ensureInitialized();
SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]).then((_) {
runApp(const MyApp());
}
);
or
@override
void initState() {
super.initState();
SystemChrome.setPreferredOrientations([
DeviceOrientation.portraitUp,
DeviceOrientation.landscapeRight,
DeviceOrientation.landscapeLeft
]);
}
