void LoadChildrenImpl(string parentId, Result result)
{
LogHelper.Debug(Tag, "OnLoadChildren: parentMediaId=", parentId);
var mediaItems = new JavaList <MediaBrowser.MediaItem> ();
if (MediaIDHelper.MediaIdRoot == parentId)
{
LogHelper.Debug(Tag, "OnLoadChildren.ROOT");
mediaItems.Add(new MediaBrowser.MediaItem(
new MediaDescription.Builder()
.SetMediaId(MediaIDHelper.MediaIdMusicsByGenre)
.SetTitle(GetString(Resource.String.browse_genres))
.SetIconUri(Android.Net.Uri.Parse("android.resource://" +
"com.example.android.mediabrowserservice/drawable/ic_by_genre"))
.SetSubtitle(GetString(Resource.String.browse_genre_subtitle))
.Build(), MediaItemFlags.Browsable
));
}
else if (MediaIDHelper.MediaIdMusicsByGenre == parentId)
{
LogHelper.Debug(Tag, "OnLoadChildren.GENRES");
foreach (var genre in musicProvider.Genres)
{
var item = new MediaBrowser.MediaItem(
new MediaDescription.Builder()
.SetMediaId(MediaIDHelper.CreateBrowseCategoryMediaID(MediaIDHelper.MediaIdMusicsByGenre, genre))
.SetTitle(genre)
.SetSubtitle(GetString(Resource.String.browse_musics_by_genre_subtitle, genre))
.Build(), MediaItemFlags.Browsable
);
mediaItems.Add(item);
}
}
else if (parentId.StartsWith(MediaIDHelper.MediaIdMusicsByGenre))
{
var genre = MediaIDHelper.GetHierarchy(parentId) [1];
LogHelper.Debug(Tag, "OnLoadChildren.SONGS_BY_GENRE genre=", genre);
foreach (var track in musicProvider.GetMusicsByGenre(genre))
{
var hierarchyAwareMediaID = MediaIDHelper.CreateMediaID(
track.Description.MediaId, MediaIDHelper.MediaIdMusicsByGenre, genre);
var trackCopy = new MediaMetadata.Builder(track)
.PutString(MediaMetadata.MetadataKeyMediaId, hierarchyAwareMediaID)
.Build();
var bItem = new MediaBrowser.MediaItem(
trackCopy.Description, MediaItemFlags.Playable);
mediaItems.Add(bItem);
}
}
else
{
LogHelper.Warn(Tag, "Skipping unmatched parentMediaId: ", parentId);
}
LogHelper.Debug(Tag, "OnLoadChildren sending ", mediaItems.Count,
" results for ", parentId);
result.SendResult(mediaItems);
}
public static List <MediaSession.QueueItem> GetPlayingQueue(string mediaId,
MusicProvider musicProvider)
{
// extract the browsing hierarchy from the media ID:
var hierarchy = MediaIDHelper.GetHierarchy(mediaId);
if (hierarchy.Length != 2)
{
LogHelper.Error(Tag, "Could not build a playing queue for this mediaId: ", mediaId);
return(null);
}
var categoryType = hierarchy[0];
var categoryValue = hierarchy[1];
LogHelper.Debug(Tag, "Creating playing queue for ", categoryType, ", ", categoryValue);
IEnumerable <MediaMetadata> tracks = null;
// This sample only supports genre and by_search category types.
if (categoryType == MediaIDHelper.MediaIdMusicsByGenre)
{
tracks = musicProvider.GetMusicsByGenre(categoryValue);
}
else if (categoryType == MediaIDHelper.MediaIdMusicsBySearch)
{
tracks = musicProvider.SearchMusic(categoryValue);
}
if (tracks == null)
{
LogHelper.Error(Tag, "Unrecognized category type: ", categoryType, " for mediaId ", mediaId);
return(null);
}
return(ConvertToQueue(tracks, hierarchy[0], hierarchy[1]));
}