orientation static method

void orientation([
  1. List<DeviceOrientation> orientations = const [DeviceOrientation.portraitUp]
]) 
Mixins.orientation([DeviceOrientation.landscapeLeft]);

Implementation

static void orientation(
    [List<DeviceOrientation> orientations = const [
      DeviceOrientation.portraitUp
    ]]) {
  SystemChrome.setPreferredOrientations(orientations);
}