Player error gloob

gistfile1.txt

android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running?
E/AndroidRuntime(29449): 	at android.view.ViewRootImpl.setView(ViewRootImpl.java:579)
E/AndroidRuntime(29449): 	at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:272)
E/AndroidRuntime(29449): 	at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
E/AndroidRuntime(29449): 	at android.widget.MediaController.show(MediaController.java:354)
E/AndroidRuntime(29449): 	at android.widget.MediaController.show(MediaController.java:314)
E/AndroidRuntime(29449): 	at com.globo.player.Player.showMediaControls(Unknown Source)
E/AndroidRuntime(29449): 	at com.globo.player.Player.c(Unknown Source)
E/AndroidRuntime(29449): 	at com.globo.player.d.start(Unknown Source)
E/AndroidRuntime(29449): 	at com.globo.player.d.onPrepared(Unknown Source)
E/AndroidRuntime(29449): 	at android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:2523)
E/AndroidRuntime(29449): 	at android.os.Handler.dispatchMessage(Handler.java:102)
E/AndroidRuntime(29449): 	at android.os.Looper.loop(Looper.java:135)
E/AndroidRuntime(29449): 	at android.app.ActivityThread.main(ActivityThread.java:5312)
E/AndroidRuntime(29449): 	at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime(29449): 	at java.lang.reflect.Method.invoke(Method.java:372)
E/AndroidRuntime(29449): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:901)
E/AndroidRuntime(29449): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)