-
frame
—Use this to animate position and size changes for the view. ,框架,可以视图动态改变大小和位置 -
bounds
—Use this to animate changes to the size of the view. ,可以改变视图的大小 -
center
—Use this to animate the position of the view. ,可以改变视图的位置 -
transform
—Use this to rotate or scale the view. ,可以改变视图的比例和旋转 -
alpha
—Use this to change the transparency of the view. ,可以改变视图的透明度 -
backgroundColor
—Use this to change the background color of the view. ,可以改变视图的背景颜色 -
contentStretch
—Use this to change how the view’s contents stretch. ,可以拉伸视图的内容