問題描述
我有一個 UIScrollView，它有一系列快速更新數字的標簽(每 0.06 秒).然而，當滾動視圖移動時，NSTimer 會暫停，直到滾動和彈性動畫完成后才會繼續.
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.
如何避免這種情況并讓 NSTimer 運行而不管滾動視圖的狀態如何?
How can I avoid this and have the NSTimer run regardless of the state of the scroll view?
推薦答案
解決此問題的簡單方法是將 NSTimer 添加到 mainRunLoop.
An easy way to fix this is adding your NSTimer to the mainRunLoop.
[[NSRunLoop mainRunLoop] addTimer:timer forMode:NSRunLoopCommonModes];
要從所有安裝了計時器的運行循環模式中刪除計時器，請向計時器發送 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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