我有一个我将带有 id的 aMainActivity的内容设置为 a 。在包含 a 的一个选项卡的内容中，我想用一个新的替换整个内容（即删除整个），但选项卡小部件仍然存在，并且只有选项卡内容被替换。FrameLayoutcontainerFragmentTabHostListViewcontainerFragmentFragmentTabHost
为什么FragmentTabHost没有完全替换？我怎样才能删除它？
MainActivity.java
public class MainActivity extends FragmentActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
Fragment notificationTabsFragment = new NotificationTabsFragment();
fragmentTransaction.replace(R.id.container, notificationTabsFragment, "notificationTabsFragment");
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}
}
主要的.xml
<?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="vertical" >
<fragment
android:id="@+id/header"
android:name="com.xxx.fragment.HeaderFragment"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<FrameLayout
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
NotificationTabsFragment
public class NotificationTabsFragment extends Fragment {
private FragmentTabHost mTabHost;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mTabHost = new FragmentTabHost(getActivity());
mTabHost.setup(getActivity(), getChildFragmentManager(), R.id.container);
mTabHost.addTab(
mTabHost.newTabSpec("all").setIndicator(getString(R.string.all), null),
NotificationListFragment.class, null);
/* adding more tab */
return mTabHost;
}
}
NotificationListFragment.java
public class NotificationListFragment extends Fragment {
private ListView listview;
private NotificationAdapter adapter;
private List<Notification> notifList;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
notifList = MyApplication.dbHelper.getNotificationList();
View view = inflater.inflate(R.layout.notification_list, container, false);
listview = (ListView) view.findViewById(R.id.listview);
listview.setEmptyView(view.findViewById(R.id.empty));
adapter = new NotificationAdapter(getActivity(), notifList);
listview.setAdapter(adapter);
listview.setOnItemClickListener(new OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?> adapter, View v, int position,
long arg3)
{
Bundle args = new Bundle();
args.putLong(Notification.KEY_OCC_ID, notifList.get(position).occ_id);
Fragment fragment = new NotificationFragment();
fragment.setArguments(args);
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.container, fragment); // replacing the whole container, but the tab widgets remain!
transaction.addToBackStack(null);
transaction.commit();
}
});
return view;
}
}
通知片段
public class NotificationFragment extends Fragment {
private TextView text;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.notification_detail, container, false);
text = (TextView) view.findViewById(R.id.dude);
text.setText("NotificationFragment content");
return view;
}
}