android - Now Playing Card -


i need displaying playing card in recommendations row. read post in android developers site, did not me much.

i have service streams mp3 data without problems. added following code, there's no playing card...

@override public void oncreate() {     log.i(tag, "oncreate called");      msession = new mediasession(this, "musicservice");     msession.setcallback(new mediasessioncallback());     msession.setflags(mediasession.flag_handles_media_buttons |             mediasession.flag_handles_transport_controls);      msession.setactive(true); }   private class mediasessioncallback extends mediasession.callback { }


edit: added code meta-data:

@override public void oncreate() {     log.i(tag, "oncreate called");      msession = new mediasession(this, "musicservice");     msession.setcallback(new mediasessioncallback());     msession.setflags(mediasession.flag_handles_media_buttons |             mediasession.flag_handles_transport_controls);       final mediametadata.builder metadatabuilder = new mediametadata.builder();      string title = "burak";      metadatabuilder.putstring(mediametadata.metadata_key_display_title, title);     metadatabuilder.putstring(mediametadata.metadata_key_display_subtitle,             "burak müzik");     metadatabuilder.putstring(mediametadata.metadata_key_display_icon_uri,             "http://commondatastorage.googleapis.com/android-tv/sample%20videos/zeitgeist/zeitgeist%202010_%20year%20in%20review/card.jpg");      // , @ minimum title , artist legacy support     metadatabuilder.putstring(mediametadata.metadata_key_title, title);     metadatabuilder.putstring(mediametadata.metadata_key_artist, "bkd mobile");      msession.setmetadata(metadatabuilder.build());      msession.setactive(true);   }

i need specify metadata current playing mp3 file via metadata.builder class:

mediametadata.builder metadatabuilder = new mediametadata.builder(); metadatabuilder.putstring(mediametadata.metadata_key_display_title,         "title"); metadatabuilder.putstring(mediametadata.metadata_key_display_subtitle,         "subtitle"); metadatabuilder.putstring(mediametadata.metadata_key_display_icon_uri,         "artwork"); msession.setmetadata(metadatabuilder.build());

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