Apple’s “Do Not Disturb While Driving” is a potentially lifesaving iPhone feature, but it doesn’t always turn on automatically at the appropriate time. For example, you might be a passenger in a moving car, but your iPhone may think you’re the one dri…
一、setContentSize与setDimensions对于Label的作用
1、首先看看setContentSize的定义:
/*
* Set the untransformed size of the node.
* 设置节点转换前的大小
* The contentSize remiains the same no matter the node is scaled or rotated.
* 无论缩放还是旋…