Cannot Reslove Symbol 'viewholder'

Can not resolve symbol 'viewHolder'....And when I change it to 'holder' nothing is changed ... this is part of my code (the Custom Class) My code : private void DisplayAllUsersPo

Solution 1:

Try changing "holder" by "viewHolder" in the parameter of onBindViewHolder().

@Override
                protected void onBindViewHolder(@NonNull PostsViewHolder viewHolder, int position, @NonNull Posts model) {


                    viewHolder.setFullname(model.getFullname());
                    viewHolder.setTime(model.getTime());
                    viewHolder.setDate(model.getDate());
                    viewHolder.setDescription(model.getDescription());
                    viewHolder.setProfileimage(getApplicationContext(), model.getProfileimage());
                    viewHolder.setPostimage(getApplicationContext(), model.getPostimage());

                }

And set values to adapter as below

FirebaseRecyclerAdaptermAdapter=newFirebaseRecyclerAdapter(yourList);
    RecyclerView.LayoutManagermLayoutManager=newLinearLayoutManager(getApplicationContext());
    recyclerView.setLayoutManager(mLayoutManager);
    recyclerView.setItemAnimator(newDefaultItemAnimator());
    recyclerView.setAdapter(mAdapter);

and make separate java file for FirebaseRecyclerAdapter. Dont write it in function.

Solution 2:

privatevoidDisplayAllUsersPosts() {
  FirebaseRecyclerAdapter<Posts, PostsViewHolder> firebaseRecyclerAdapter =
    newFirebaseRecyclerAdapter<Posts, PostsViewHolder>(Posts.class, R.layout.all_posts_layout, PostsViewHolder.class, PostsRef) {
      @OverrideprotectedvoidonBindViewHolder(@NonNull PostsViewHolder holder, int position, @NonNull Posts model) {
        holder.setFullname(model.getFullname());
        holder.setTime(model.getTime());
        holder.setDate(model.getDate());
        holder.setDescription(model.getDescription());
        holder.setProfileimage(getApplicationContext(), model.getProfileimage());
        holder.setPostimage(getApplicationContext(), model.getPostimage());
      }

      @NonNull@Overridepublic PostsViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        Viewview= LayoutInflater.from(parent.getContext()) .inflate(R.layout.all_posts_layout, parent, false);
        PostsViewHolderviewHolder=newPostsViewHolder(view);
        return viewHolder;
      }
    };
  postList.setAdapter(firebaseRecyclerAdapter);
}