enterFullscreen method

void enterFullscreen()

全屏

Implementation

void enterFullscreen() {
  _isFullscreen = true;
  SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersive, overlays: []);
  SystemChrome.setPreferredOrientations(
      [DeviceOrientation.landscapeLeft, DeviceOrientation.landscapeRight]);
  notifyListeners();
}