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POHow to pop up an Android dialog
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13336746
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2012-11-11T23:49:09.750
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1
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2012-11-12T00:26:57.113
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2017-05-23T11:48:53.763
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user948620
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I have the following code which doesn't work, what should I do to debug it? I created a new android 2.2 project, added a button and the button has: <pre><code> android:onClick="Test" </code></pre> the <code>Test()</code> function is here: <pre><code>public void Test(View view) { AlertDialog.Builder builder = new AlertDialog.Builder(this.getApplicationContext()); builder.setTitle("Title"); builder.setMessage("Message"); builder.setPositiveButton("ok", new OnClickListener() { public void onClick(DialogInterface arg0, int arg1) { // TODO Auto-generated method stub arg0.dismiss(); }}); builder.setCancelable(false); builder.create().show(); } </code></pre> When it's triggered, the <code>show()</code> will cause this exception: <pre><code>Thread [<1> main] (Suspended (exception WindowManager$BadTokenException)) <VM does not provide monitor information> AlertDialog(Dialog).show() line: 245 MainActivity.Test(View) line: 39 Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method] Method.invoke(Object, Object...) line: 521 View$1.onClick(View) line: 2067 Button(View).performClick() line: 2408 View$PerformClick.run() line: 8817 ViewRoot(Handler).handleCallback(Message) line: 587 ViewRoot(Handler).dispatchMessage(Message) line: 92 Looper.loop() line: 143 ActivityThread.main(String[]) line: 4914 Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method] Method.invoke(Object, Object...) line: 521 ZygoteInit$MethodAndArgsCaller.run() line: 868 ZygoteInit.main(String[]) line: 626 NativeStart.main(String[]) line: not available [native method] </code></pre> BTW There are some other things I tried: <a href="https://stackoverflow.com/questions/13331388/dialogfragment-doesnt-show-up/13332727#13332727">DialogFragment doesn't show up</a>
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<android><dialog>
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How to pop up an Android dialog
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