public class DetailsFragment extends Fragment{
private static final String[] WEEKS=new String[]{"a-1","b-1","c-1"};
public static DetailsFragment newInstance(int index){
DetailsFragment f = new DetailsFragment();
Bundle b = new Bundle();
b.putInt("index", index);
f.setArguments(b);
System.out.println("--==");
return f;
}
public int getShowIndex(){
int index = getArguments().getInt("index",0);
return index;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
TextView text = new TextView(getActivity());
text.setText(WEEKS[getShowIndex()]);
return text;
}
}
public class FragmentAcitivity extends ListFragment{
private static final String[] WEEKS=new String[]{"a","b","c"};
//设置初始化选择位置
int mCurCheckPosition= 0;
int mShownCheckPosition = -1;
/**
* 填充数据
*/
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setListAdapter(new ArrayAdapter(getActivity(),
android.R.layout.simple_list_item_activated_1,
android.R.id.text1,WEEKS));
//创建之时默认选中行的详细信息
showDetals(mCurCheckPosition);
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
//手动选中某一行显示该行的详细信息
showDetals(position);
}
/**
* 显示详细信息
* @param index 选中行
*/
public void showDetals(int index){
//fragment的管理器
FragmentManager am = getFragmentManager();
DetailsFragment details = (DetailsFragment)am.findFragmentById(R.id.details);
if(details == null || details.getShowIndex()!=index){
//设置单选模式
getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
//指定条目被选中
getListView().setItemChecked(index, true);
details = DetailsFragment.newInstance(index);
//新建新的DetailsFragment实例
FragmentTransaction ft = am.beginTransaction();
//替换FrameLayout为DetailsFragment
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
//将得到的fragment替换当前ViewGroup内容，add则不替换会一次累加
ft.replace(R.id.details, details);
//提交
ft.commit();
}
}
}
<frameLayout
android:id="@+id/details"
android:layout_weight="2"
android:layout_width="0dp"
android:layout_height="match_parent"
android:background="?android:attr/detailsElementBackground"/>
