void OnLostStream(LostStreamMessage obj)
 {
     Device.BeginInvokeOnMainThread(() => playStopBtn.Text = playIcon);
     Device.BeginInvokeOnMainThread(async () => await DisplayAlert("Lost Stream", "Check network connection", "OK"));
 }
 void OnLostStream(LostStreamMessage obj)
 {
     Device.BeginInvokeOnMainThread(async () => await DisplayAlert("Lost Stream", "Check network.", "OK"));
 }