1 ## 3.14\. Media UI 2 3 4 If device implementations include the UI framework that supports third-party 5 apps that depend on [`MediaBrowser`]( 6 http://developer.android.com/reference/android/media/browse/MediaBrowser.html) 7 and [`MediaSession`]( 8 http://developer.android.com/reference/android/media/session/MediaSession.html) 9 , they: 10 11 * [C-1-1] MUST display [MediaItem]( 12 http://developer.android.com/reference/android/media/browse/MediaBrowser.MediaItem.html) 13 icons and notification icons unaltered. 14 * [C-1-2] MUST display those items as described by MediaSession, e.g., 15 metadata, icons, imagery. 16 * [C-1-3] MUST show app title. 17 * [C-1-4] MUST have drawer to present [MediaBrowser]( 18 http://developer.android.com/reference/android/media/browse/MediaBrowser.html) 19 hierarchy. 20 * [C-1-5] MUST consider double tap of [`KEYCODE_HEADSETHOOK`]( 21 https://developer.android.com/reference/android/view/KeyEvent.html#KEYCODE_HEADSETHOOK) 22 or [`KEYCODE_MEDIA_PLAY_PAUSE`]( 23 https://developer.android.com/reference/android/view/KeyEvent.html#KEYCODE_MEDIA_PLAY_PAUSE) 24 as [`KEYCODE_MEDIA_NEXT`]( 25 https://developer.android.com/reference/android/view/KeyEvent.html#KEYCODE_MEDIA_NEXT) 26 for [`MediaSession.Callback#onMediaButtonEvent`]( 27 https://developer.android.com/reference/android/media/session/MediaSession.Callback.html#onMediaButtonEvent%28android.content.Intent%29).
