// User controls
private void UpdateButtonVisibilities()
{
debugRootView.RemoveAllViews();
if (player == null)
{
return;
}
MappedTrackInfo mappedTrackInfo = trackSelector.CurrentMappedTrackInfo;
if (mappedTrackInfo == null)
{
return;
}
for (int i = 0; i < mappedTrackInfo.RendererCount; i++)
{
TrackGroupArray trackGroups = mappedTrackInfo.GetTrackGroups(i);
if (trackGroups.Length != 0)
{
Button button = new Button(this);
int label;
switch (player.GetRendererType(i))
{
case C.TrackTypeAudio:
label = Resource.String.exo_track_selection_title_audio;
break;
case C.TrackTypeVideo:
label = Resource.String.exo_track_selection_title_video;
break;
case C.TrackTypeText:
label = Resource.String.exo_track_selection_title_text;
break;
default:
continue;
}
button.SetText(label);
button.SetTag(button.Id, i);
button.SetOnClickListener(this);
debugRootView.AddView(button);
}
}
}
public override void OnTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections)
{
activity.UpdateButtonVisibilities();
if (trackGroups != activity.lastSeenTrackGroupArray)
{
MappedTrackInfo mappedTrackInfo = activity.trackSelector.CurrentMappedTrackInfo;
if (mappedTrackInfo != null)
{
if (mappedTrackInfo.GetTypeSupport(C.TrackTypeVideo)
== MappedTrackInfo.RendererSupportUnsupportedTracks)
{
activity.ShowToast(Resource.String.error_unsupported_video);
}
if (mappedTrackInfo.GetTypeSupport(C.TrackTypeAudio)
== MappedTrackInfo.RendererSupportUnsupportedTracks)
{
activity.ShowToast(Resource.String.error_unsupported_audio);
}
}
activity.lastSeenTrackGroupArray = trackGroups;
}
}
// OnClickListener methods
public void OnClick(View view)
{
if (view.Parent == debugRootView)
{
MappedTrackInfo mappedTrackInfo = trackSelector.CurrentMappedTrackInfo;
if (mappedTrackInfo != null)
{
string title = ((Button)view).Text;
int rendererIndex = (int)view.GetTag(view.Id);
int rendererType = mappedTrackInfo.GetRendererType(rendererIndex);
bool allowAdaptiveSelections =
rendererType == C.TrackTypeVideo ||
(rendererType == C.TrackTypeAudio &&
mappedTrackInfo.GetTypeSupport(C.TrackTypeVideo)
== MappedTrackInfo.RendererSupportNoTracks);
Pair dialogPair = TrackSelectionView.GetDialog(this, title, trackSelector, rendererIndex);
((TrackSelectionView)dialogPair.Second).SetShowDisableOption(true);
((TrackSelectionView)dialogPair.Second).SetAllowAdaptiveSelections(allowAdaptiveSelections);
((AlertDialog)dialogPair.First).Show();
}
}
}