question: @ Override public void onBindViewHolder ( K holder , int positions ) { int viewType = holder . getItemViewType ( ) ; switch ( viewType ) { case 0 : convert ( holder , mData . get ( holder . getLayoutPosition ( ) - getHeaderLayoutCount ( ) ) ) ; break ; case LOADING_VIEW : addLoadMore ( holder ) ; break ; case HEADER_VIEW : break ; case EMPTY_VIEW : break ; case FOOTER_VIEW : break ; default : convert ( holder , mData . get ( holder . getLayoutPosition ( ) - getHeaderLayoutCount ( ) ) ) ; break ; } }
target:  To bind different types of holder and solve different the bind events