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我正在开发一个导航应用程序,它需要在后台运行。我想知道如何设置应用程序的后台运行时间?这个时间是由 iOS 修复的吗?
在这里你有 UIBackgroundModes
http://developer.apple.com/library/ios/#documentation/general/Reference/InfoPlistKeyReference/Articles/iPhoneOSKeys.html
向下滚动,您将看到您可以在 info.plist 中启用位置
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