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public class MainActivity extends Activity implements MainMenuFragment.OnMainMenuItemSelectedListener { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); FragmentManager fragmentManager = getFragmentManager(); FragmentTransaction fragmentTransaction = fragmentManager .beginTransaction(); // add menu fragment MainMenuFragment myFragment = new MainMenuFragment(); fragmentTransaction.add(R.id.menu_fragment, myFragment); //add content DetailPart1 content1= new DetailPart1 (); fragmentTransaction.add(R.id.content_fragment, content1); fragmentTransaction.commit(); } public void onMainMenuSelected(String tag) { //next menu is selected replace existing fragment } I have a need to display two list views side by side, menu on left and its content on right side. By default, the first menu is selected and its content is displayed on right side. The Fragment that displays content is as below: public class DetailPart1 extends Fragment { ArrayList<HashMap<String, String>> myList = new ArrayList<HashMap<String, String>>(); ListAdapter adap; ListView listview; @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); if(savedInstanceState!=null){ myList = (ArrayList)savedInstanceState.getSerializable("MYLIST_obj"); adap = new LoadImageFromArrayListAdapter(getActivity(),myList ); listview.setAdapter(adap); }else{ //get list and load in list view getlistTask = new GetALLListTasks().execute(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.skyview_fragment, container,false); return v; } @Overrid

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