RecyclerView header and footer

by

in your adapter add this class:

private class VIEW_TYPES {
        public static final int Header = 1;
        public static final int Normal = 2;
        public static final int Footer = 3;
}

then Override the following method like this:

@Override
public int getItemViewType(int position) {

    if(items.get(position).isHeader)
        return VIEW_TYPES.Header;
    else if(items.get(position).isFooter)
        return VIEW_TYPES.Footer;
    else
        return VIEW_TYPES.Normal;

}

Now in the onCreateViewHolder method inflate your layout based on the view type::

@Override
public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {

    View rowView;

    switch (i) {

        case VIEW_TYPES.Normal:
            rowView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.normal, viewGroup, false);
            break;
        case VIEW_TYPES.Header:
            rowView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.header, viewGroup, false);
            break;
        case VIEW_TYPES.Footer:
            rowView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.footer, viewGroup, false);
            break;
        default:
            rowView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.normal, viewGroup, false);
            break;
    }
    return new ViewHolder (rowView);
}

Now in the onBindViewHolder method bind your layout based on the view holder:

@Override
    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int position) {

        int viewType = getItemViewType(position);

        switch(viewType) {

            case VIEW_TYPES.Header: // handle row header
                break;
            case VIEW_TYPES.Footer: // handle row footer
                break;
            case VIEW_TYPES.Normal: // handle row item
                break;

        }

    }

Hope this can help.

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