问题描述
我有一个 UIScrollView，它有一系列快速更新数字的标签(每 0.06 秒).然而，当滚动视图移动时，NSTimer 会暂停，直到滚动和弹性动画完成后才会继续.
I have a UIScrollView that has a series of labels which are rapidly updating numbers (every .06 seconds). While the scroll view is moving, however, the NSTimer is paused and does not continue until after the scrolling and the elastic animation have finished.
如何避免这种情况并让 NSTimer 运行而不管滚动视图的状态如何?
How can I avoid this and have the NSTimer run regardless of the state of the scroll view?
推荐答案
解决此问题的简单方法是将 NSTimer 添加到 mainRunLoop.
An easy way to fix this is adding your NSTimer to the mainRunLoop.
[[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
要从所有安装了计时器的运行循环模式中删除计时器，请向计时器发送 invalidate 消息.
To remove a timer from all run loop modes on which it is installed, send an invalidate message to the timer.
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