Unable to add window -- token android os BinderProxy is not valid is your activity running

Question

I try to connect to Facebook throught Facebook API  I follow this example  https   github com facebook facebook-android-sdk tree master examples simple   Everything is ok  but when I try to edit some code  I mean I want to display the dialog post message after the login is successful like this   public void onAuthSucceed             mText setText  You have logged in                   This is the code to call the post message dialog                               mFacebook dialog Example this   feed  new SampleDialogListener                I receive this error in the logcat   03-02 13 32 08 629  E AndroidRuntime 14991   android view WindowManager BadTokenException  Unable to add window -- token android os BinderProxy 405180f8 is not valid  is your activity running  03-02 13 32 08 629  E AndroidRuntime 14991      at android view ViewRoot setView ViewRoot java 532  03-02 13 32 08 629  E AndroidRuntime 14991      at android view WindowManagerImpl addView WindowManagerImpl java 177  03-02 13 32 08 629  E AndroidRuntime 14991      at android view WindowManagerImpl addView WindowManagerImpl java 91  03-02 13 32 08 629  E AndroidRuntime 14991      at android view Window LocalWindowManager addView Window java 424  03-02 13 32 08 629  E AndroidRuntime 14991      at android app Dialog show Dialog java 241  03-02 13 32 08 629  E AndroidRuntime 14991      at com facebook android Facebook dialog Facebook java 780  03-02 13 32 08 629  E AndroidRuntime 14991      at com facebook android Facebook dialog Facebook java 737  03-02 13 32 08 629  E AndroidRuntime 14991      at com facebook android Example SampleAuthListener onAuthSucceed Example java 113  03-02 13 32 08 629  E AndroidRuntime 14991      at com facebook android SessionEvents onLoginSuccess SessionEvents java 78  03-02 13 32 08 629  E AndroidRuntime 14991      at com facebook android Example LoginDialogListener onComplete Example java 88  03-02 13 32 08 629  E AndroidRuntime 14991      at com facebook android Facebook 1 onComplete Facebook java 320  03-02 13 32 08 629  E AndroidRuntime 14991      at com facebook android FbDialog FbWebViewClient shouldOverrideUrlLoading FbDialog java 144  03-02 13 32 08 629  E AndroidRuntime 14991      at android webkit CallbackProxy uiOverrideUrlLoading CallbackProxy java 218  03-02 13 32 08 629  E AndroidRuntime 14991      at android webkit CallbackProxy handleMessage CallbackProxy java 337  03-02 13 32 08 629  E AndroidRuntime 14991      at android os Handler dispatchMessage Handler java 99  03-02 13 32 08 629  E AndroidRuntime 14991      at android os Looper loop Looper java 130  03-02 13 32 08 629  E AndroidRuntime 14991      at android app ActivityThread main ActivityThread java 3687  03-02 13 32 08 629  E AndroidRuntime 14991      at java lang reflect Method invokeNative Native Method  03-02 13 32 08 629  E AndroidRuntime 14991      at java lang reflect Method invoke Method java 507  03-02 13 32 08 629  E AndroidRuntime 14991      at com android internal os ZygoteInit MethodAndArgsCaller run ZygoteInit java 867  03-02 13 32 08 629  E AndroidRuntime 14991      at com android internal os ZygoteInit main ZygoteInit java 625  03-02 13 32 08 629  E AndroidRuntime 14991      at dalvik system NativeStart main Native Method    Any idea

User · Answer

In my case the issue is occurred because of am trying to open/show dialog box in onPostExecute AsyncTask
However its an wrong method of showing dialog or Ui changes in onPostExecute.

For that, we need to check the activity is in active Eg : !isFinishing() , if the activity is not finished then only able to show our dialog box or ui change.

@Override
protected void onPostExecute(String response_str) {

   getActivity().runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    if (!((Activity) mContext).isFinishing()) {
                        try {
                            ShowAgilDialog();
                        } catch (WindowManager.BadTokenException e) {
                            Log.e("WindowManagerBad ", e.toString());
                        }
                    }
                }
            });
}

User · Answer

I solved it by putting this    Override protected void onDestroy         accessTokenTracker stopTracking        super onDestroy

User · Answer

For me it was fixed by just removing the static property in the DialogHelper class methods  resposble for creating  amp  hiding the dialog   as I have properties related to Window in those methods

User · Answer

one simple workaround is to catch the exception     try           alertDialog show         catch  WindowManager BadTokenException e              use a log message         It s not elegant but sometimes easy when you have to manage async operations and you are not sure wether activity is up or not when you want to show the dialog

User · Answer

Another developer use case  If the WindowManager or getWindow   is being called on onCreate   or onStart   or onResume    a BadTokenException is thrown  You will need to wait until the view is prepared and attached   Moving the code to onAttachedToWindow   solves it  It may not be a permanent solution  but as much as I could test  it always worked   In my case  there was a need to increase the screen brightness when the activity became visible  The line getWindow   getAttributes   screenBrightness in the onResume   resulted in an exception  Moving the code to onAttachedToWindow   worked

User · Answer

Under dependencyServices nothing of the above helped me  i ended up doing like below       class Static Toast Android               private static Context  context                       get   return Android App Application Context                      public static void StaticDisplayToast string message                        Toast MakeText  context  message  ToastLength Long  Show                        public class Toast Android   IToast                public void DisplayToast string message                        Static Toast Android StaticDisplayToast message                     I must use the  double-class  because an interface cannot be static  L-

User · Answer

After execute the thread  add these two line of code  and that will solve the issue   Looper loop    Looper myLooper   quit

User · Answer

I was seeing this error reported once in a while from some of my apps  and here s what solved it for me   if    Activity  context  isFinishing            show dialog     All the other answers out there seem to be doing weird things like iterating through the list of running activities  but this is much simpler and seems to do the trick

User · Answer

This can occur when you are showing the dialog for a context that no longer exists  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  For a good description  see this blog post and comments   http   dimitar me android-displaying-dialogs-from-background-threads   From the stack trace above  it appears that the facebook library spins off the auth operation asynchronously  and you have a Handler - Callback mechanism  onComplete called on a listener  that could easily create this scenario   When I ve seen this reported in my app  its pretty rare and matches the experience in the blog post  Something went wrong for the activity it was destroyed during the work of the the AsyncTask  I don t know how your modification could result in this every time  but perhaps you are referencing an Activity as the context for the dialog that is always destroyed by the time your code executes   Also  while I m not sure if this is the best way to tell if your activity is running  see this answer for one method of doing so   Check whether activity is active

User · Answer

What you should do is to check if activity is finishing before showing alert  For this purpose isFinishing   method is defined within Activity class  Here is what you should do  if  isFinishing            alert show

User · Answer

I faced exactly the same issue  Calling    isFinishing     prevented the crash  but it could not display the  alert  message   Then I tried making calling function  static   where alert is displayed  After that  no crash happened and message is also getting displayed   For ex   public static void connect failure                   Log i FW UPD APP   Connect failed             new AlertDialog Builder MyActivity           setTitle  Title            setMessage  Message            setPositiveButton android R string yes  new DialogInterface OnClickListener                 public void onClick DialogInterface dialog  int which                         do nothing                                    setIcon R drawable the image  show

User · Answer

Unable to add window -- token is not valid  is your activity running   This crash is usually caused by your app trying to display a dialog using a previously-finished Activity as a context  For example  this can happen if an Activity triggers an AsyncTask that tries to display a dialog when it is finished  but the user navigates back from the Activity before the task is completed   External resources  Android     Displaying Dialogs From Background Threads  Error   BinderProxy 45d459c0 is not valid  is your activity running

[android] Unable to add window -- token android.os.BinderProxy is not valid; is your activity running?

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