[移动开发]Android计算View树的深度

Android计算View树的深度

参考链接

View maxDeepView;
    private int maxDeep(View view){
        maxDeepView = view;
        if(!(view instanceof ViewGroup) || ((ViewGroup) (view)).getChildCount()==0){
            return 0;
        }
        ViewGroup vp = (ViewGroup) view;
        if(vp.getChildCount()==0){
            return 0;
        }
        int max = 0;
        for(int i = 0;i<vp.getChildCount();i++){
            View childView = vp.getChildAt(i);
            int deep = maxDeep(childView)+1;
            if(deep>max){
                max =deep;
                maxDeepView = childView;
            }
        }
        return max;
    }

    public View getDeepView(View rootView){
        maxDeep(rootView);
        return maxDeepView;
    }

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