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私のRecyclerViewでは、表示アイテムにStaggeredLayoutManagerを使用しますが、RefrefreshLAyoutでリフレッシュすると、後でリフレッシュするまでアイテムを表示しません。 RefreshLayoutとstaggeredgridlayoutmanagerは、リフレッシュ後にアンドロイドでアイテムを表示しません
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);
}
}
後のリフレッシュがヌルショースペースを実装し、私はstaggeredlayoutmanagerとrecyclerview内のアイテムのショーをスクロール行うとき。
このフラグメントはtabhostfragmentで使用され、タブを変更してこのフラグメントに戻ると、recyclerviewはアイテムのリストを表示しません。デバッグ時にアダプタが失われる方法アダプタがメモリに存在します。 –