PopupWindow $BadTokenException: Unable to add window -- token null is not valid

Question

I have the following error when showing a PopupWindow. The errors are triggered by the line:

checkInPopup.showAtLocation((ViewGroup) mapView.getParent(), Gravity.CENTER_HORIZONTAL, 0, 0); 

mapView is a MapView and nothing is null. The stacktrace:

01-08 18:00:09.402: E/AndroidRuntime(27768): Caused by: android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running? 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.view.ViewRootImpl.setView(ViewRootImpl.java:513) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:301) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.view.Window$LocalWindowManager.addView(Window.java:537) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.widget.PopupWindow.invokePopup(PopupWindow.java:988) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.widget.PopupWindow.showAtLocation(PopupWindow.java:845) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.widget.PopupWindow.showAtLocation(PopupWindow.java:809) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at com.geoloc.ActivityCheckIn.onCreate(ActivityCheckIn.java:50) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.app.Activity.performCreate(Activity.java:4465) 01-08 18:00:09.402: E/AndroidRuntime(27768):    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049) 

This is the code from my activity (that extends MapActivity)

    protected void onCreate(Bundle icicle) {     super.onCreate(icicle);     setContentView(R.layout.checkin);     mapView = (MapView) findViewById(R.id.mapview);      LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);     checkInPopup = new PopupWindow(inflater.inflate(CHECK_IN_POPUP_LAYOUT, null, false));     checkInPopup.setOutsideTouchable(true);     checkInPopup.setHeight(100);     checkInPopup.setWidth(200);     checkInPopup.showAtLocation((ViewGroup) mapView.getParent(), Gravity.CENTER_HORIZONTAL, 0, 0); } 

Thank you for sharing your thoughts

Answer 1

Same problem happened with me when I try to show a popup menu in an activity.

I also got the same exception but I encountered problems and resolved it by providing the right context.

// at this line Dialog dialog = new Dialog(getApplicationContext()); 

Use

YourActivityName.this instead of getApplicationContext()

and yes it worked for me may it will help someone else.