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POjava.lang.IllegalArgumentException: View not attached to window manager
 

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    <p>I have an activity that starts AsyncTask and shows progress dialog for the duration of operation. The activity is declared NOT be recreated by rotation or keyboard slide.</p> <pre><code> &lt;activity android:name=".MyActivity" android:label="@string/app_name" android:configChanges="keyboardHidden|orientation" &gt; &lt;intent-filter&gt; &lt;/intent-filter&gt; &lt;/activity&gt; </code></pre> <p>Once task completed, I dissmiss dialog, but on some phones (framework: 1.5, 1.6) such error is thrown:</p> <pre><code>java.lang.IllegalArgumentException: View not attached to window manager at android.view.WindowManagerImpl.findViewLocked(WindowManagerImpl.java:356) at android.view.WindowManagerImpl.removeView(WindowManagerImpl.java:201) at android.view.Window$LocalWindowManager.removeView(Window.java:400) at android.app.Dialog.dismissDialog(Dialog.java:268) at android.app.Dialog.access$000(Dialog.java:69) at android.app.Dialog$1.run(Dialog.java:103) at android.app.Dialog.dismiss(Dialog.java:252) at xxx.onPostExecute(xxx$1.java:xxx) </code></pre> <p>My code is:</p> <pre><code>final Dialog dialog = new AlertDialog.Builder(context) .setTitle("Processing...") .setCancelable(true) .create(); final AsyncTask&lt;MyParams, Object, MyResult&gt; task = new AsyncTask&lt;MyParams, Object, MyResult&gt;() { @Override protected MyResult doInBackground(MyParams... params) { // Long operation goes here } @Override protected void onPostExecute(MyResult result) { dialog.dismiss(); onCompletion(result); } }; task.execute(...); dialog.setOnCancelListener(new OnCancelListener() { @Override public void onCancel(DialogInterface arg0) { task.cancel(false); } }); dialog.show(); </code></pre> <p>From what I have read (<a href="http://bend-ing.blogspot.com/2008/11/properly-handle-progress-dialog-in.html" rel="noreferrer">http://bend-ing.blogspot.com/2008/11/properly-handle-progress-dialog-in.html</a>) and seen in Android sources, it looks like the only possible situation to get that exception is when activity was destroyed. But as I have mentioned, I forbid activity recreation for basic events.</p> <p>So any suggestions are very appreciated.</p>
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