I am trying uamp sample, whenever orientation changes MediaBrowserFragment recyclerview state is lost(its scroll position is not maintained).
My problem is how to maintain scroll position in uamp sample.
I know I can save scroll position and restore it later but since recyclerView itself maintains scroll state I don't want that hacks.
I tried pushing this simple fragment instead of MediaBrowserFragment and its maintaining its scroll
public class TestFragment extends Fragment {
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View mRootView = inflater.inflate(R.layout.fragment_test, container, false);
RecyclerView recyclerView = (RecyclerView) mRootView.findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setAdapter(new RecAdapter());
return mRootView;
}
private class RecAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_text, null);
return new ItemViewHolder(itemView);
}
@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
((ItemViewHolder) holder).title.setText(""+ position);
}
@Override
public int getItemCount() {
return 200;
}
}
private class ItemViewHolder extends RecyclerView.ViewHolder {
TextView title;
ItemViewHolder(View itemLayoutView) {
super(itemLayoutView);
title = (TextView) itemLayoutView.findViewById(R.id.title);
}
}
}
Update
I raised the issue with uamp
https://github.com/googlesamples/android-UniversalMusicPlayer/issues/217
you can just add configChanges in your manifest file as below:
<activity android:name=".YourActivity"
android:configChanges="orientation|screenSize"/>
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