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Failed looking up window

By medabit on Wed, 11/30/2016 - 15:25

if (vuforiaException == null)         {             try             {                 mInitVuforiaTask = new InitVuforiaTask(); ( this)  ------------->             mInitVuforiaTask.execute();                                                                                                           

                              ↓↓↓

WindowManager: Failed looking up window                                               java.lang.IllegalArgumentException: Requested window android.view.ViewRootImpl$W@113d5ca8 does not exist                                                   at com.android.server.wm.WindowManagerService.windowForClientLocked(WindowManagerService.java:9356)                                                   at com.android.server.wm.WindowManagerService.windowForClientLocked(WindowManagerService.java:9347)                                                   at com.android.server.wm.WindowManagerService.removeWindow(WindowManagerService.java:2994)                                                   at com.android.server.wm.Session.remove(Session.java:193)                                                   at android.view.ViewRootImpl.dispatchDetachedFromWindow(ViewRootImpl.java:3490)                                                   at android.view.ViewRootImpl.doDie(ViewRootImpl.java:6218)                                                   at android.view.ViewRootImpl$ViewRootHandler.handleMessage(ViewRootImpl.java:3839)                                                   at android.os.Handler.dispatchMessage(Handler.java:111)                                                   at android.os.Looper.loop(Looper.java:194)                                                   at android.os.HandlerThread.run(HandlerThread.java:61)                                                   at com.android.server.ServiceThread.run(ServiceThread.java:46)