To enable Picture in Picture functionality in your Flutter application, use the following Dart code.
@JS()library t; import 'dart:js_interop'; @JS()external void startPictureInPicture(String textureId, bool enabled); Future<void> setPictureInPictureEnabled({ required String textureId, bool enabled = true,}) async { startPictureInPicture(textureId, enabled);}