am: ebdc198e2f
* commit 'ebdc198e2f1ce3e1faa2ffe0ea8323a734375040':
MediaPlayer: use local variable to check member is null.
am: ebdc198e2f
* commit 'ebdc198e2f1ce3e1faa2ffe0ea8323a734375040':
MediaPlayer: use local variable to check member is null.