Code example for SparseArray

Methods: getput

0
    private static class ViewHolder { 
        @SuppressWarnings("unchecked") 
        public static <T extends View> T get(View view, int id) {
            SparseArray<View> viewHolder = (SparseArray<View>) view.getTag();
            if (viewHolder == null) {
                viewHolder = new SparseArray<View>();
                view.setTag(viewHolder);
            } 
            View childView = viewHolder.get(id);
            if (childView == null) {
                childView = view.findViewById(id);
                viewHolder.put(id, childView);
            } 
            return (T) childView;
        } 
    } 
} 
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