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POClicking spinner within popup window causes WindowManager$BadTokenException
 

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  1. POClicking spinner within popup window causes WindowManager$BadTokenException
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    <p>I've looked up a couple of posts for the same problem but can't seem to resolve my issue. I've used spinners throughout my application and they are working fine. It's when I try to use a spinner within a popupwindow, I get an error when selecting it. The popup window is to add references and I've declared a global ViewGroup variable (i.e. vg_references) which can be used to retrieve the components on the popup window. The code to popup the window is as follows. </p> <pre><code>LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE); vg_references = (ViewGroup)inflater.inflate(R.layout.reference, null, false); pw_references = new PopupWindow(vg_references, this.getWindowManager().getDefaultDisplay().getWidth()/100 * 75, this.getWindowManager().getDefaultDisplay().getHeight()/100 * 50, true); pw_references.setFocusable(true); pw_references.showAtLocation((View)view.getParent(), Gravity.CENTER, 0, 0); this.populateReferenceView(); </code></pre> <p>This then calls a function to populate the components within the popupwindow (e.g. textfields, spinners, layouts, etc...). Part of this function is to populate a spinner with a list of strings from a database.</p> <pre><code>// Find the spinner Spinner spinReferenceSourceTypes = (Spinner) vg_references.findViewById(R.id.spin_referencesSourceTypes); // Retrieve the list of reference source types and create an array adapter to attach to the list ArrayAdapter&lt;String&gt; dataAdapter = new ArrayAdapter&lt;String&gt;( this, android.R.layout.simple_spinner_item, databaseHelper.getReferenceSourceTypes()); dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinReferenceSourceTypes.setAdapter(dataAdapter); // If there's only 1 item in the dropdown list, disable the dropdown list if(spinReferenceSourceTypes.getCount() &lt; 2) { spinReferenceSourceTypes.setEnabled(false); } else { spinReferenceSourceTypes.setEnabled(true); } </code></pre> <p>When I click on this spinner, the program crashes with the following error. Can anyone please help me with this problem. Thank you all</p> <pre><code>12-04 18:43:41.507: E/AndroidRuntime(30504): FATAL EXCEPTION: main 12-04 18:43:41.507: E/AndroidRuntime(30504): android.view.WindowManager$BadTokenException: Unable to add window -- token android.view.ViewRootImpl$W@414c67c8 is not valid; is your activity running? 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.view.ViewRootImpl.setView(ViewRootImpl.java:520) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:313) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.view.Window$LocalWindowManager.addView(Window.java:537) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.widget.PopupWindow.invokePopup(PopupWindow.java:992) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.widget.PopupWindow.showAsDropDown(PopupWindow.java:901) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.widget.ListPopupWindow.show(ListPopupWindow.java:595) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.widget.Spinner$DropdownPopup.show(Spinner.java:764) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.widget.Spinner.performClick(Spinner.java:457) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.view.View$PerformClick.run(View.java:14152) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.os.Handler.handleCallback(Handler.java:605) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.os.Handler.dispatchMessage(Handler.java:92) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.os.Looper.loop(Looper.java:137) 12-04 18:43:41.507: E/AndroidRuntime(30504): at android.app.ActivityThread.main(ActivityThread.java:4514) 12-04 18:43:41.507: E/AndroidRuntime(30504): at java.lang.reflect.Method.invokeNative(Native Method) 12-04 18:43:41.507: E/AndroidRuntime(30504): at java.lang.reflect.Method.invoke(Method.java:511) 12-04 18:43:41.507: E/AndroidRuntime(30504): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790) 12-04 18:43:41.507: E/AndroidRuntime(30504): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557) 12-04 18:43:41.507: E/AndroidRuntime(30504): at dalvik.system.NativeStart.main(Native Method) </code></pre>
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    1. USGraham Baitson
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    1. COare you calling the code to show the pop up window from a background thread?
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      1. USPraful Bhatnagar
    2. COhi @PrafulBhatnagar, no I'm calling it from an onClick event from a button
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      1. USGraham Baitson
    3. COcan you post the code that calling this pop up window code...
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      1. POClicking spinner within popup window causes WindowManager$BadTokenException
      1. USPraful Bhatnagar
 

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