question: private void playPrevious ( ) { if ( mediaType == Config . YOUTUBE_MEDIA_TYPE_VIDEO ) { restartVideo ( ) ; return ; } if ( nextWasCalled ) { iterator . previous ( ) ; nextWasCalled = false ; } if ( ! iterator . hasPrevious ( ) ) { iterator = youTubeVideos . listIterator ( youTubeVideos . size ( ) ) ; } videoItem = iterator . previous ( ) ; previousWasCalled = true ; playVideo ( ) ; }
target:  Plays previous video in playlist