protected override void OnCreate(Bundle savedInstanceState)
{
SpeakerResolver = new SpeakerResolver(ApplicationContext);
Speakers = new List <ISpeaker>();
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_main);
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
FindViewById <Button>(Resource.Id.switchButton).Click += SwitchButtonOnClick;
FindViewById <Button>(Resource.Id.loadButton).Click += LoadButtonOnClick;
FindViewById <ListView>(Resource.Id.sourceListView).ItemClick += SourceListViewOnItemClick;
FindViewById <ListView>(Resource.Id.destinationListView).ItemClick += DestinationListViewOnItemClick;
FindViewById <ProgressBar>(Resource.Id.progressBar1).Indeterminate = true;
MakeControlInvisible(Resource.Id.sourceTextView);
MakeControlInvisible(Resource.Id.destinationTextView);
MakeControlInvisible(Resource.Id.switchButton);
MakeControlInvisible(Resource.Id.progressBar1);
LoadAsync();
}
private async Task LoadAsync()
{
ShowProgressBar();
Speakers = (await SpeakerResolver.ResolveSpeakersAsync()).ToList();
if (!Speakers.Any())
{
HideProgressBar();
Toast.MakeText(ApplicationContext, "No Speakers have been found.", ToastLength.Long).Show();
return;
}
PlayingSpeakers = new List <ISpeaker>();
foreach (var speaker in Speakers)
{
if (await speaker.IsPlayingAsync())
{
PlayingSpeakers.Add(speaker);
}
}
if (!PlayingSpeakers.Any())
{
HideProgressBar();
Toast.MakeText(ApplicationContext, $"None of the {Speakers.Count} Speakers is playing any content.", ToastLength.Long)
.Show();
return;
}
SetListViewContent(Resource.Id.sourceListView, PlayingSpeakers);
UnselectListView(Resource.Id.sourceListView);
MakeControlVisible(Resource.Id.sourceTextView);
MakeControlInvisible(Resource.Id.destinationTextView);
MakeControlInvisible(Resource.Id.switchButton);
SetListViewContent(Resource.Id.destinationListView, new List <ISpeaker>());
HideProgressBar();
}