checkboxes gets unchecked in recyclerView upon scrolling

Question

I have a cursor which retrieves a list of ingredients and populates an adapter, which is then assigned to a recycler View having checkboxes. The problem I\'ve got is that, w

Answer 1

RecyclerView removes (recycles) the unseen views from the layout on scrolling, this is the basic behavior of recyclerView in order to reduce memory use.

When a view with a checkbox is recycled, a checked checkbox gets unchecked and if it has a listener, the listener gets called.

You can remove the listener from the view when it is recycled. Just override the onViewRecycled method.

    @Override
    public void onViewRecycled(@NonNull MyViewHolder holder) {
        holder.checkBox.setOnCheckedChangeListener(null);
        super.onViewRecycled(holder);
    }

When the view is constructed again, while scrolling, your listener will also be added again.