@Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        if (!once) {
            viewGroup = (LinearLayout) this.getChildAt(0);
            content = (LinearLayout) viewGroup.getChildAt(0);
            menu = (Button) viewGroup.getChildAt(1);
            LinearLayout.LayoutParams ll = (LinearLayout.LayoutParams) content.getLayoutParams();
            ll.width = screenWidth;
            content.setLayoutParams(ll);
            menuWidth = menu.getMeasuredWidth();
            viewGroup.getLayoutParams().width = screenWidth+menuWidth;
            once = true;
        }
    }

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