我正在開發一個android應用程序,我想創建一個ListFragment並將其作爲一個片段在導航抽屜中使用。有可能的?我可以在導航抽屜中使用ListFragment嗎?
我做ListFragment,但我有我的主要活動的錯誤:
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
ListFragment lf=null;
switch (position) {
case 0:
fragment = new HomeFragment();
break;
case 1:
fragment = new FindPeopleFragment();
break;
case 2:
fragment = new PhotosFragment();
break;
case 3:
lf = new CommunityFragment();
break;
case 4:
fragment = new PagesFragment();
break;
case 5:
fragment = new WhatsHotFragment();
break;
default:
break;
}
if (lf != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, lf).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
}
if (fragment != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
的錯誤是:該方法在類型FragmentFransaction替換(INT,片段)是不適用的參數(INT, ListFragment)。
該錯誤是在這行代碼(在替換):
if (lf != null) {
FragmentManager fragmentManager = getFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, lf).commit();
其中LF是ListFragment。
所以我可以使用ListFragment與導航抽屜?
你能張貼ListFragment進口?我導入ListFragment的 – Raghunandan
:android.support.v4.app.ListFragment; – user3481497
你需要使用'import android.app.ListFragment'因爲你擴展了Activity,而你正在使用'getFragmentManager()'。我可以回答假設,但我正在等待你現在回覆的回覆 – Raghunandan