Recent questions tagged nstimer

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nstimer - What is the best way to make a bouncing ball animation with infinite loop on iPhone?

I am developing an iPhone game in which birds bounce. I have set up the images for animating the wings of the ... of bird is an infinite loop. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nstimer - Format realtime stopwatch timer to the hundredth using Swift

I have an app using an NSTimer at centisecond (0.01 second) update intervals to display a running stopwatch ... the display link from updating) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nstimer - Xcode 7.3 / Swift 2: "No method declared with Objective-C selector" warning

I've been using selectors for a while, and even after migrating to Swift I was able to use them without issues ... I still get the same warning: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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