android.view.WindowManager$BadTokenException: Unable to add window -- token android.view.ViewRootImpl$W@ca2b18 is not valid; is your activity running?
	at android.view.ViewRootImpl.setView(ViewRootImpl.java:979)
	at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:387)
	at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:95)
	at android.widget.PopupWindow.originalInvokePopup(PopupWindow.java:1590)
	at android.widget.PopupWindow.invokePopup(PopupWindow.java:1575)
	at android.widget.PopupWindow.showAtLocation(PopupWindow.java:1345)
	at android.widget.PopupWindow.showAtLocation(PopupWindow.java:1311)
	at android.widget.Editor$AnimatePopupWindow.showAtLocation(Editor.java:3755)
	at android.widget.Editor$HandleView.updatePosition(Editor.java:5649)
	at android.widget.Editor$PositionListener.onPreDraw(Editor.java:3167)
	at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:1088)
	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2958)
	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1868)
	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:8023)
	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:969)
	at android.view.Choreographer.doCallbacks(Choreographer.java:793)
	at android.view.Choreographer.doFrame(Choreographer.java:728)
	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:954)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:224)
	at android.app.ActivityThread.main(ActivityThread.java:7561)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:995)