android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@7d51e4 is not valid; is your activity running?
	at android.view.ViewRootImpl.setView(ViewRootImpl.java:683)
	at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:319)
	at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:90)
	at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:3431)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2704)
	at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4368)
	at android.app.ActivityThread.access$1100(ActivityThread.java:196)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1540)
	at android.os.Handler.dispatchMessage(Handler.java:111)
	at android.os.Looper.loop(Looper.java:207)
	at android.app.ActivityThread.main(ActivityThread.java:5857)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1026)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:887)