private async Task ValidatePlayingTracks()
{
List <QueuedTrack> t_remove = new List <QueuedTrack>();
foreach (QueuedTrack t in Playlist)
{
if (!File.Exists(t.FullPath))
{
t_remove.Add(t);
}
}
foreach (QueuedTrack t in t_remove)
{
Playlist.Remove(t);
}
playingListLoaded = false;
await PersistentData.SaveQueuedTracksAsync(Playlist);
}
private async void OnDisappearing(object sender, EventArgs e)
{
await PersistentData.SaveQueuedTracksAsync(TransportVMInstance.Playlist);
}