1。用timer事件
iphone ios timer NStimer 使用教程
http://blog.csdn.net/linzhiji/article/details/6748960
2.延时函数:
[self performSelector:@selector(machineBallAction) withObject:nil afterDelay:0];
1。用timer事件
iphone ios timer NStimer 使用教程
http://blog.csdn.net/linzhiji/article/details/6748960
2.延时函数:
[self performSelector:@selector(machineBallAction) withObject:nil afterDelay:0];