/* * 万能的ViewHolder */public static class ViewHolder {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 chidlView = viewHolder.get(id);if (chidlView == null) {chidlView = view.findViewById(id);viewHolder.put(id, chidlView);}return (T)chidlView;}}