Flutter automatically disappears after receiving push

Preface

lately flutter Push the project , Found a strange problem , After receiving the push, it will display , But then it disappeared .

Solution

///  remove app Corner marker 
  removeAppBadge() async {
    final bool isSupported = await FlutterAppBadger.isAppBadgeSupported();
    if (isSupported) {
      if (Platform.isAndroid) {
        FlutterAppBadger.removeBadge();
      } else {
        FlutterAppBadger.updateBadgeCount(-1);
      }
    }
  }

END.