Recyclerview Adapter and Glide - same image every 4-5 rows

Question

I have this problem - just for testing purposes I added ParseFile to one of ParseObject from received list. Instead of showing it only in that row

Answer 1

In RecyclerView each row is recycled with new data. In your code you are setting ImageView only when it's not null and otherwise doing nothing. In this case when it's not null ImageView will show old image since you didn't override for the current object. You can fix this by adding else condition and setting ImageView to null/blank anything.

@Override 
    public void onBindViewHolder(ViewHolder holder, int position) {
        if(parseList.get(position).get("logo") != null){
            ParseFile image = (ParseFile) parseList.get(position).get("logo");
            String url = image.getUrl();
            Glide.with(context) 
                    .load(url)
                    .placeholder(R.drawable.piwo_48)
                    .transform(new CircleTransform(context)) 
                    .into(holder.imageView);


        } 
        else{
            holder.imageView.setImageDrawable(null);
        }
    }