MapOverlay.java 文件源码

public void setData(Picture floorMap)
{
    this.floorMap = floorMap;
    if (this.mapMainView.getWidth() == 0)
    {
        ViewTreeObserver vto = this.mapMainView.getViewTreeObserver();
        vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener()
        {
            public boolean onPreDraw()
            {
                if (!hasMeasured)
                {
                    calcRatio();
                }
                return true;
            }
        });
    }
    else
    {
        calcRatio();
    }
}