遍历查找子控件

private void setTabText(ViewGroup group){

    try{
        int size =  group.getChildCount();
        for (int i = 0;i<size;i++){
            View view = group.getChildAt(i);
            if(view instanceof TextView){
               

		//do something
            }else if(!(view instanceof ImageView)){
                setTabText((ViewGroup)view);

            }
        }
    }catch(Exception e){

    }
}