[MyLazyInstagram] - MainActivity.java - 2

MainActivity.java

public class LazyInstagramAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

    private Context context;
    private List<Layout> layouts;
    private UserProfile userProfile;

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        LayoutInflater inflater = LayoutInflater.from(context);

        switch (viewType){
            case Layout.TYPE_USER_DETAIL:
                View vUserDetail = inflater.inflate(R.layout.rc_user_detail, parent, false);
                return new UserDetailViewHolder(vUserDetail);
            case Layout.TYPE_POST_ITEM:
                View vPost = inflater.inflate(R.layout.rc_post_item, parent, false);
                return new PostsViewHolder(vPost);
        }
        return null;
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        if (holder.getItemViewType() == Layout.TYPE_USER_DETAIL){
            viewUserDetail ((UserDetailViewHolder) holder);
        } else if (holder.getItemViewType() == Layout.TYPE_POST_ITEM){
            viewPosts((PostsViewHolder) holder);
        }
    }

    private void viewUserDetail(UserDetailViewHolder holder){
        UserDetailAdapter userDetailAdapter = new UserDetailAdapter(context, userProfile);
        holder.recyclerView.setLayoutManager(new LinearLayoutManager(context));
        holder.recyclerView.setAdapter(userDetailAdapter);

    }

    private void viewPosts(PostsViewHolder holder){
        PostAdapter postAdapter = new PostAdapter(context, userProfile.getPosts());
        holder.recyclerView.setLayoutManager(new GridLayoutManager(context, 3));
        holder.recyclerView.setAdapter(postAdapter);
    }

    @Override
    public int getItemCount() {
        return layouts.size();
    }

    @Override
    public int getItemViewType(int position) {
        return layouts.get(position).getType();
    }

    public class PostsViewHolder extends RecyclerView.ViewHolder {
        RecyclerView recyclerView;
        // ..
    }

    public class UserDetailViewHolder extends RecyclerView.ViewHolder {
        RecyclerView recyclerView;
        // ..
}