No matter what TYPE I use for the LayoutParams, I always get this crash. avity = Gravity.TOP | Gravity.START Įxception stacktrace: Caused by: $BadTokenException: Unable to add window - token null is not valid is your activity running?Īt (ViewRootImpl.java:764Īt (WindowManagerGlobal.java:356)Īt (WindowManagerImpl.java:92)

RelativeLayout overlay = (RelativeLayout) inflater.inflate(R.layout.button_main, null) įinal WindowManager.LayoutParams params =

A common case - if the 'show dialog' operation is after an asynchronous operation, and during that operation, the original activity (that is to be the parent of your dialog) is destroyed.

LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE) As Peter Pascale said: This can occur when you are showing the dialog for a context that no longer exists. Target SDK and Compiled SDK versions: 26Ĭode: WindowManager manager = (WindowManager)getSystemService(WINDOW_SERVICE).I'm calling this from within the onCreate function of a service. I have added the 'SYSTEM_ALERT_WINDOW' permission and I have enabled 'Draw over other apps' in app info. windowManager.addView(view, view.getViewParams()) view.getWindowToken()null. I have added the 'SYSTEMALERTWINDOW' permission and I have enabled 'Draw over other apps' in app info. WindowManagerImpl ViewGroupaddView (View view, ViewGroup.LayoutParams params) ViewManager ViewGroupviewViewGroupChildren WindowManagerImpl DecorView PhoneWindow. The following examples show how to use can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. If ('m trying to create an overlay window but when I try to add the view to the WindowManager, it gives me an exception. BadTokenException: This exception is thrown at the time of trying to add view an invalid WindowManager.LayoutParamstoken. WindowManager.addView () causes BadTokenException Ask Question 2 I'm trying to create an overlay window but when I try to add the view to the WindowManager, it gives me an exception.

Windowmanager addview