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copied!<p>Just overwrite <code>onBackPressed()</code> in your activity and your fragment and do your required calls there.</p> <p>More to callbacks / communication with other fragments can be found here:</p> <p><a href="http://developer.android.com/training/basics/fragments/communicating.html" rel="nofollow">Communicating with Other Fragments</a></p> <pre><code>public class FragmentA extends Fragment { public void updateMyself(String updateValue){ Log.v("update", "weeee Fragment B updated me with" + updateValue); } } public class FragmentB extends Fragment { public Interface FragmentBCallBackInterface { public void update(String updateValue); } private FragmentBCallBackInterface mCallback; @Override public void onAttach(Activity activity) { super.onAttach(activity); try { mCallback = (FragmentBCallBackInterface) activity; } catch (ClassCastException e) { throw new ClassCastException(activity.toString() + " must implement FragmentBCallBackInterface"); } //As an example we do an update here - normally you wouln't call the method until your user performs an onclick or something letsUpateTheOtherFragment(); } private void letsUpateTheOtherFragment(){ mCallback.update("This is an update!); } } public class MyActivity extends Activity implements FragmentInterfaceB { @Override public void update(String updateValue){ FragmentA fragmentA = (FragmentA) getSupportFragmentManager().findFragmentById(R.id.article_fragment); if (fragmentA != null) { fragmentA.updateMyself(updateValue); } else { //replace the fragment... bla bla check example for this code } } } </code></pre>

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