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在我的RecyclerView中,我使用StaggeredLayoutManager顯示項目,但是當使用RefrefreshLAyout進行刷新時,但稍後刷新不會顯示項目,直到在recyclerview中滾動時,這是代碼的一部分。staggeredgridlayoutmanager在android中刷新後不顯示項目
public class NotesListFragment extends Fragment
implements SwipeRefreshLayout.OnRefreshListener, OnInternetListener, OnTapInternetDialogListener {
private SwipeRefreshLayout notesListRefreshLayout = null;
private ListRecyclerView notesListRecyclerView = null;
private NotesAdapter notesAdapter = null;
private List<Note> notes = null;
public NotesListFragment() {
// Required empty public constructor
}
public static NotesListFragment newInstance() {
NotesListFragment fragment = new NotesListFragment();
return fragment;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_notes_list, container, false);
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
notesListRefreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.notesListRefreshLayout);
notesListRefreshLayout.setOnRefreshListener(this);
notesListRecyclerView = (ListRecyclerView) view.findViewById(R.id.notesListRecyclerView);
initObjects();
showNotes(notes);
}
private void initObjects() {
notesListRecyclerView.setHasFixedSize(true);
if (isTablet) {
if (((BaseActivityCompat) getActivity()).getOrientationDevice() == OrientationDevice.LANDSCAPE) {
final StaggeredGridLayoutManager manager = new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.VERTICAL);
notesListRecyclerView.setLayoutManager(manager);
notesListRecyclerView.addItemDecoration(new SpaceGridDecoration(3, 20, true));
} else {
final StaggeredGridLayoutManager manager = new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
notesListRecyclerView.setLayoutManager(manager);
notesListRecyclerView.addItemDecoration(new SpaceGridDecoration(2, 20, true));
}
} else {
final StaggeredGridLayoutManager manager = new StaggeredGridLayoutManager(1, StaggeredGridLayoutManager.VERTICAL);
notesListRecyclerView.setLayoutManager(manager);
}
}
private void showNotes(List<Note> notes) {
if (notesAdapter == null) {
notesAdapter = new NotesAdapter(getContext(), notes, advertising,
advertisingList, (AppCompatActivity) getActivity(), AdvertisingSection.HOME.getSection());
notesListRecyclerView.setAdapter(notesAdapter);
notesAdapter.setOnNoteItemClickListener(onNoteItemClickListener);
notesAdapter.setOnNoteActionClickListener(onNoteActionClickListener);
} else {
notesAdapter.setUpdate(true);
notesAdapter.refreshAdapter(notes);
notesListRecyclerView.setAdapter(notesAdapter);
}
}
public void onRefresh() {
obtainNotesHome(true);
}
}
後來與RefreshLayout刷新實現展覽面積空當我做滾動與staggeredlayoutmanager recyclerview的項目展示。
這個片段用於tabhostfragment,當改變tab並回到這個片段時,recyclerview不顯示帶有條目的列表,當調試適配器存在內存時,怎麼會丟失適配器byut不顯示任何東西 –