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I am creating a button in my apps and by clicking this button, all the states will be saved and user will exit the whole application. When user re-click on the apps, he/she should be brought to the main activity. I have tried using finish() and System.exit(0) but both of these functions are just ending the current activity and bring me to the previous activity... how can i achieve this? thanks.

Ryan M
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Android_Rookie
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  • you can resolve this problem by calling startActivtyForResult() other than startActivity() in all parent activities. – Krishna Prasad May 17 '12 at 07:14
  • Have you checked [http://stackoverflow.com/questions/2042222/close-application](http://stackoverflow.com/questions/2042222/close-application) and [http://stackoverflow.com/questions/3226495/android-exit-application-code](http://stackoverflow.com/questions/3226495/android-exit-application-code)? – silwar May 17 '12 at 07:15
  • hope these threads helps you http://stackoverflow.com/questions/3105673/android-how-to-kill-an-application-with-all-its-activities http://stackoverflow.com/questions/6014028/closing-application-with-exit-button – Hassy31 May 17 '12 at 07:22
  • here what is your main activity the very first activity of application or the last activity of application which you quit – Avi Kumar May 17 '12 at 07:41

2 Answers2

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calling Move to Back will hide your application. you shouldn't call System.exit(0);

It's always better to rely on Android OS to decide when a app needs to be killed.

Mayank
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Find the below code for close the application.Firstly clear the activity stack and using flag then use finish() method. 

 Intent intent = new Intent(getApplicationContext(), FinishActivity.class).setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            finish();
            startActivity(intent);

In FinishActivity class in onCreate() jest simply write finish() method

public class FinishActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    finish();
}

}

Srikanth
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