title: Android: Custom Dialog displays on back navigation
body: <p>The application displays a custom dialog by using the code <code>dialog.show(getActivity().getSupportFragmentManager(), TAG);</code> with in a <code>conditional statement</code> from <code>OnStart</code> method of a fragment.</p>
  
  <p>But the issue is, after dismissing the fragment and navigate to any other <code>Activity</code> and click on back button displays the custom dialog again even the <code>conditional statement</code> is false.</p>
  
  <p>How to suppress the dialog from being displayed.</p>