我最终决定使用display.metrics来获取设备的像素密度。然后，我通过除以密度值来调整平移运动速度。

I finally decided to use display.metrics to get the pixel density of the devices. Then I adjust the translation motion speed by dividing by the density value.

仍然想知道这是否是控制各种设备上动画速度的最先进方法？ ??

Still wondering if this is the "state of the art" way of controlling animation speed on various devices???