title: How to exit from application permanently in Android
body: <p>I am doing one application here I have one exit button when I click button,that time I need to exit from application..I tried using below code app is closing but it still running in taslmanager..but when I click exit button I should close app as well as I should remove from task manager how it's possible.</p>
  
  <pre><code>public class MainMenu extends Activity {
      Button exit;
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.mainmenu);
  
          exit=(Button)findViewById(R.id.btn1);
          exit.setOnClickListener(new OnClickListener() {
  
              @Override
              public void onClick(View arg0) {
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_HOME);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
  
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  
        startActivity(intent);
              }
          });
     }
   }
  </code></pre>