我想每个按钮上点击随机frame.origin.x
和frame.origin.y
。该按钮需要在iPhone屏幕内移动。随机数frame.origin.x
CGRect frame = MyButton.frame;
frame.origin.x = 10;
frame.origin.y = 10;
[UIView beginAnimations:nil context:nil];
[UIView setAnimationDuration: 0.1];
MyButton.frame = frame;
[UIView commitAnimations];
有谁知道我可以生成一个随机数/位置?像
frame.origin.x = frame.size.width * (arc4random() % (10 - 1)); ?
但这样的东西在移动屏幕外的按钮