/** 
 * 设置不改变padding的背景 
 * 因为android有设置背景后，padding无效的问题 
 * 
 * @param view 
 * @param resId 
 * @autor wujiajun 
 */ 
public static void setBackgroundResourceWithPadding(View view, int resId) { 
  int bottom = view.getPaddingBottom(); 
  int top = view.getPaddingTop(); 
  int right = view.getPaddingRight(); 
  int left = view.getPaddingLeft(); 
  view.setBackgroundResource(resId); 
  view.setPadding(left, top, right, bottom); 
}