/// <summary>
/// Updates the metadata on the lock screen
/// </summary>
private void UpdateMediaMetadataCompat(MediaMetadataRetriever metaRetriever = null)
{
if (mediaSession == null)
{
return;
}
MediaMetadata.Builder builder = new MediaMetadata.Builder();
if (metaRetriever != null)
{
builder
.PutString(MediaMetadata.MetadataKeyAlbum, metaRetriever.ExtractMetadata(MetadataKey.Album))
.PutString(MediaMetadata.MetadataKeyArtist, metaRetriever.ExtractMetadata(MetadataKey.Artist))
.PutString(MediaMetadata.MetadataKeyTitle, metaRetriever.ExtractMetadata(MetadataKey.Title));
}
else
{
builder
.PutString(MediaMetadata.MetadataKeyAlbum, mediaSession.Controller.Metadata.GetString(MediaMetadata.MetadataKeyAlbum))
.PutString(MediaMetadata.MetadataKeyArtist, mediaSession.Controller.Metadata.GetString(MediaMetadata.MetadataKeyArtist))
.PutString(MediaMetadata.MetadataKeyTitle, mediaSession.Controller.Metadata.GetString(MediaMetadata.MetadataKeyTitle));
}
builder.PutBitmap(MediaMetadata.MetadataKeyAlbumArt, Cover as Bitmap);
mediaSession.SetMetadata(builder.Build());
}
void UpdateMetadata()
{
if (!QueueHelper.isIndexPlayable(currentIndexOnQueue, playingQueue))
{
LogHelper.Error(Tag, "Can't retrieve current metadata.");
UpdatePlaybackState(Resources.GetString(Resource.String.error_no_metadata));
return;
}
var queueItem = playingQueue [currentIndexOnQueue];
var musicId = MediaIDHelper.ExtractMusicIDFromMediaID(
queueItem.Description.MediaId);
var track = musicProvider.GetMusic(musicId);
var trackId = track.GetString(MediaMetadata.MetadataKeyMediaId);
if (musicId != trackId)
{
var e = new InvalidOperationException("track ID should match musicId.");
LogHelper.Error(Tag, "track ID should match musicId.",
" musicId=", musicId, " trackId=", trackId,
" mediaId from queueItem=", queueItem.Description.MediaId,
" title from queueItem=", queueItem.Description.Title,
" mediaId from track=", track.Description.MediaId,
" title from track=", track.Description.Title,
" source.hashcode from track=", track.GetString(
MusicProvider.CustomMetadataTrackSource).GetHashCode(),
e);
throw e;
}
LogHelper.Debug(Tag, "Updating metadata for MusicID= " + musicId);
session.SetMetadata(track);
// Set the proper album artwork on the media session, so it can be shown in the
// locked screen and in other places.
if (track.Description.IconBitmap == null &&
track.Description.IconUri != null)
{
var albumUri = track.Description.IconUri.ToString();
AlbumArtCache.Instance.Fetch(albumUri, new AlbumArtCache.FetchListener {
OnFetched = (artUrl, bitmap, icon) => {
var qItem = playingQueue [currentIndexOnQueue];
var trackItem = musicProvider.GetMusic(trackId);
trackItem = new MediaMetadata.Builder(trackItem)
.PutBitmap(MediaMetadata.MetadataKeyAlbumArt, bitmap)
.PutBitmap(MediaMetadata.MetadataKeyDisplayIcon, icon)
.Build();
musicProvider.UpdateMusic(trackId, trackItem);
// If we are still playing the same music
var currentPlayingId = MediaIDHelper.ExtractMusicIDFromMediaID(
qItem.Description.MediaId);
if (trackId == currentPlayingId)
{
session.SetMetadata(trackItem);
}
}
});
}
}
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);
}
private void LoadChildrenImpl(string parentId, Result result)
{
var mediaItems = new JavaList <MediaBrowser.MediaItem>();
if (HierarchyHelper.PodcastRoot == parentId)
{
Logger.Debug("Load ROOT");
mediaItems.Add(new MediaBrowser.MediaItem(
new MediaDescription.Builder()
.SetMediaId(HierarchyHelper.PodcastsByMonth)
.SetTitle("All Playlists")
.SetIconUri(Android.Net.Uri.Parse("android.resource://com.henry.mypodcast/drawable/ic_by_genre"))
.SetSubtitle("Bursts By Playlist")
.Build(), MediaItemFlags.Browsable));
}
else if (HierarchyHelper.PodcastsByMonth == parentId)
{
Logger.Debug("Load BYMONTH List");
foreach (var playlist in _musicProvider._playlists)
{
var item = new MediaBrowser.MediaItem(
new MediaDescription.Builder()
.SetMediaId(HierarchyHelper.PodcastsByMonth + HierarchyHelper.CategorySeparator + playlist.Id.ToString())
.SetTitle(playlist.Name)
.SetSubtitle($"{playlist.Name} Bursts")
.Build(), MediaItemFlags.Browsable);
mediaItems.Add(item);
}
}
else if (parentId.StartsWith(HierarchyHelper.PodcastsByMonth))
{
var playlistId = int.Parse(HierarchyHelper.GetHierarchy(parentId)[1]);
Logger.Debug("Load List of Podcasts for Month");
foreach (var track in _musicProvider.GetMusicsByPlaylist(playlistId))
{
var hierarchyAwareMediaID = HierarchyHelper.EncodeMediaID(
track.Description.MediaId, HierarchyHelper.PodcastsByMonth, playlistId.ToString());
var trackCopy = new MediaMetadata.Builder(track)
.PutString(MediaMetadata.MetadataKeyMediaId, hierarchyAwareMediaID)
.Build();
var bItem = new MediaBrowser.MediaItem(
trackCopy.Description, MediaItemFlags.Playable);
mediaItems.Add(bItem);
}
}
result.SendResult(mediaItems);
}
static List <MediaSession.QueueItem> ConvertToQueue(IEnumerable <MediaMetadata> tracks, params string[] categories)
{
var queue = new List <MediaSession.QueueItem>();
int count = 0;
foreach (var track in tracks)
{
string hierarchyAwareMediaID = MediaIDHelper.CreateMediaID(track.Description.MediaId, categories);
MediaMetadata trackCopy = new MediaMetadata.Builder(track)
.PutString(MediaMetadata.MetadataKeyMediaId, hierarchyAwareMediaID)
.Build();
var item = new MediaSession.QueueItem(trackCopy.Description, count++);
queue.Add(item);
}
return(queue);
}
static List<MediaSession.QueueItem> ConvertToQueue(
IEnumerable<MediaMetadata> tracks, params string[] categories) {
var queue = new List<MediaSession.QueueItem>();
var count = 0;
foreach (var track in tracks) {
var hierarchyAwareMediaID = MediaIDHelper.CreateMediaID(
track.Description.MediaId, categories);
var trackCopy = new MediaMetadata.Builder(track)
.PutString(MediaMetadata.MetadataKeyMediaId, hierarchyAwareMediaID)
.Build();
var item = new MediaSession.QueueItem(trackCopy.Description, count++);
queue.Add(item);
}
return queue;
}
void UpdateMetadata ()
{
if (!QueueHelper.isIndexPlayable (currentIndexOnQueue, playingQueue)) {
LogHelper.Error (Tag, "Can't retrieve current metadata.");
UpdatePlaybackState (Resources.GetString (Resource.String.error_no_metadata));
return;
}
MediaSession.QueueItem queueItem = playingQueue [currentIndexOnQueue];
string musicId = MediaIDHelper.ExtractMusicIDFromMediaID (
queueItem.Description.MediaId);
MediaMetadata track = musicProvider.GetMusic (musicId);
string trackId = track.GetString (MediaMetadata.MetadataKeyMediaId);
if (musicId != trackId) {
var e = new InvalidOperationException ("track ID should match musicId.");
LogHelper.Error (Tag, "track ID should match musicId.",
" musicId=", musicId, " trackId=", trackId,
" mediaId from queueItem=", queueItem.Description.MediaId,
" title from queueItem=", queueItem.Description.Title,
" mediaId from track=", track.Description.MediaId,
" title from track=", track.Description.Title,
" source.hashcode from track=", track.GetString (
MusicProvider.CustomMetadataTrackSource).GetHashCode (),
e);
throw e;
}
LogHelper.Debug (Tag, "Updating metadata for MusicID= " + musicId);
session.SetMetadata (track);
// Set the proper album artwork on the media session, so it can be shown in the
// locked screen and in other places.
if (track.Description.IconBitmap == null &&
track.Description.IconUri != null) {
string albumUri = track.Description.IconUri.ToString ();
AlbumArtCache.Instance.Fetch (albumUri, new AlbumArtCache.FetchListener {
OnFetched = (artUrl, bitmap, icon) => {
MediaSession.QueueItem qItem = playingQueue [currentIndexOnQueue];
MediaMetadata trackItem = musicProvider.GetMusic (trackId);
trackItem = new MediaMetadata.Builder (trackItem)
.PutBitmap (MediaMetadata.MetadataKeyAlbumArt, bitmap)
.PutBitmap (MediaMetadata.MetadataKeyDisplayIcon, icon)
.Build ();
musicProvider.UpdateMusic (trackId, trackItem);
// If we are still playing the same music
string currentPlayingId = MediaIDHelper.ExtractMusicIDFromMediaID (
qItem.Description.MediaId);
if (trackId == currentPlayingId) {
session.SetMetadata (trackItem);
}
}
});
}
}
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);
}
