Fragment getting started DEMO

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="horizontal" >        <fragment         android:id="@+id/title"        class="com.njupt.fragment1.TitleFragment"        android:layout_width="0dp"        android:layout_height="fill_parent"        android:layout_weight="1"        />        <FrameLayout         android:id="@+id/detail"        android:layout_width="0dp"        android:layout_height="fill_parent"        android:layout_weight="1"        />    </LinearLayout>

Package com. njupt. fragment1; import android. app. fragmentManager; import android. app. fragmentTransaction; import android. app. listFragment; import android. OS. bundle; import android. view. view; import android. widget. arrayAdapter; import android. widget. listView; public class TitleFragment extends ListFragment {private String [] data = new String [] {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday ", "Saturday", "Sunday"}; private int currentPos Ition = 0; @ Overridepublic void onActivityCreated (Bundle savedInstanceState) {super. onActivityCreated (savedInstanceState); setListAdapter (new ArrayAdapter <String> (getActivity (), android. r. layout. simple_list_item_activated_1, android. r. id. text1, data); showDetail (currentPosition);} public void showDetail (int index) {FragmentManager fm = getFragmentManager (); DetailFragment detail = (DetailFragment) fm. find FragmentById (R. id. detail); if (detail = null | index! = Detail. getShowIndex () {getListView (). setChoiceMode (ListView. CHOICE_MODE_SINGLE); getListView (). setItemChecked (index, true); detail = DetailFragment. getInstance (index); FragmentTransaction ft = fm. beginTransaction (); ft. replace (R. id. detail, detail); ft. commit () ;}@ Overridepublic void onListItemClick (ListView l, View v, int position, long id) {super. onListItemClick (l, v, position, id); showDetail (position );}}

Package com. njupt. fragment1; import android. app. fragment; import android. OS. bundle; import android. view. layoutInflater; import android. view. view; import android. view. viewGroup; import android. widget. textView; public class DetailFragment extends Fragment {private String [] data = new String [] {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday ", "Saturday", "Sunday",}; public static DetailFragment getInstance (int index) {DetailFragment df = new DetailFragment (); Bundle args = new Bundle (); args. putInt ("index", index); df. setArguments (args); return df;} public int getShowIndex () {return getArguments (). getInt ("index") ;}@ Overridepublic View onCreateView (LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {TextView TV = new TextView (getActivity (); TV. setText (data [getShowIndex ()]); return TV ;}}