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POHow to quit the app from AlertDialog
 

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  1. POHow to quit the app from AlertDialog
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    <p>I'm trying to do a very simple thing, show alert with only 1 button, if clicked I want the dialog to close and than the app to quit\finish()</p> <p>currently I'm getting on the device the generic alert:</p> <p><em><strong>The application has stopped unexpectedly. Please try again</em></strong></p> <p>In the LogCat I get: <strong><em>Unable to pause activity</em></strong></p> <p>Here is the log:</p> <pre><code>01-03 14:49:00.670: ERROR/AndroidRuntime(22536): Uncaught handler: thread main exiting due to uncaught exception 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): java.lang.RuntimeException: Unable to pause activity {com.SprintTwo/com.SprintTwo.SprintTwo}: java.lang.NullPointerException 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3162) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3119) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.ActivityThread.handlePauseActivity(ActivityThread.java:3102) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.ActivityThread.access$2400(ActivityThread.java:119) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1874) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.os.Handler.dispatchMessage(Handler.java:99) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.os.Looper.loop(Looper.java:123) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.ActivityThread.main(ActivityThread.java:4363) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at java.lang.reflect.Method.invokeNative(Native Method) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at java.lang.reflect.Method.invoke(Method.java:521) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at dalvik.system.NativeStart.main(Native Method) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): Caused by: java.lang.NullPointerException 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at com.phonegap.DroidGap.onPause(DroidGap.java:736) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at com.worklight.androidgap.WLDroidGap.onPause(WLDroidGap.java:163) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.Activity.performPause(Activity.java:3782) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.Instrumentation.callActivityOnPause(Instrumentation.java:1190) 01-03 14:49:00.680: ERROR/AndroidRuntime(22536): at android.app.ActivityThread.performPauseActivity(ActivityThread.java:3149) </code></pre> <p>Here is my code:</p> <pre><code>buttonClickListener = new AlertDialog.OnClickListener() { public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); finish(); } AlertDialog.Builder dlg = new AlertDialog.Builder(context); dlg.setTitle(title); dlg.setMessage(message); dlg.setCancelable(false); dlg.setPositiveButton(buttonText, buttonClickListener); dlg.create(); dlg.show(); </code></pre>
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    1. CObuttonClickListener is null when you use it in dlg.setPositiveButton ... so when you click on positive button you gettin' NPE
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      1. USSelvin
    2. COIs `at com.phonegap.DroidGap.onPause(DroidGap.java:736)`from your code? Sure you don't have anything strange there?
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      1. UStidbeck
    3. COCan you write us what you have at DroidGap.java at line 736? Also i am curious what is at WLDroidGap.java at line 163. there must be some issues there.
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      1. USDany's
 

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