onInit method

@override void onInit()

Called immediately after the widget is allocated in memory. You might use this to initialize something for the controller.

Implementation

@override
void onInit() {
  WidgetsBinding.instance.addObserver(this);
  SystemChrome.setPreferredOrientations(
      [DeviceOrientation.landscapeLeft, DeviceOrientation.landscapeRight]);
  SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky,
      overlays: [SystemUiOverlay.bottom]);
  super.onInit();
}