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I'm developing a PopUp window for Android, and it's working, I added a EditText and a Button on that, when running on ADV this work properly, while running on device, when I focus on the EditText this throws a weird Exception. android.view.WindowManager$BadTokenException: Unable to add window - - token android.view.ViewRoot&48163b18 is not valid; is your active running? I don't know if it matters, but I'm running on a Galaxy Tab with Swype input. Now I read the specs of the Window.showAtLocation public void showAtLocation (View parent, int gravity, int x, int y) Display the content view in a popup window at the specified location. If the popup window cannot fit on screen, it will be clipped. [...] Parameters parent a parent view to get the getWindowToken() token from [...] The problem is just in that token, but how do I pass the Activity token to it? I also wrote a small code to reproduce the error. PopupWindow window = new PopupWindow(activity); window.setWidth(WindowManager.LayoutParams.WRAP_CONTENT); window.setHeight(WindowManager.LayoutParams.WRAP_CONTENT); window.setTouchable(true); window.setFocusable(true); EditText text = new EditText(activity); text.setText("Dont touch, this crash!"); window.setContentView(text); window.showAtLocation(arg0, Gravity.NO_GRAVITY, 10,10); Running on AVD all works fine, while on device this crash and throw the error I mentioned. I discover something new, when I'm in landscape mode this errors don't occurs.

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