public int getCount(ViewGroup viewGroup){

        int count=viewGroup.getChildCount();

        //循环获取子View
        for(int i=0;i<count;i++){
            View child=viewGroup.getChildAt(i);
            if(child instanceof ViewGroup){
                //如果子View是ViewGroup，则用递归获取子View数量
                int childCount = getCount((ViewGroup)child);
                count+=childCount;
            }else {
                count++;
            }
        }
        
        return count;
    }