如何从 iPhone 后台更新位置
我正在制作一个应用程序，当用户按下主页按钮时，我需要从后台更新位置，我已经在 UIBackGroundModes 中的 info.plist 中添加了更新用户位置，请让我知道除此之外还有其他必须要做的事情我这样做，就像必须启动位置管理器进行更新，请帮助我
I am making an application in which i need to update the location from background when user presses the home button, i have already added in the info.plist in UIBackGroundModes for updateuserlocation, please let me know apart from this anything else is there that have to me do, like have to start location manager for updating please help me
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听起来您想使用
CLLocationManager并从应用程序委托applicationDidEnterBackground中调用startUpdatingLocation。然而，这将导致电池和设备的大量消耗。不推荐。相反，您可能应该使用
startMonitoringSignificantLocationChanges来将位置检查保持在最低限度。It sounds like you want to use a
CLLocationManagerand callstartUpdatingLocationfrom within the App DelegateapplicationDidEnterBackground.However, this will cause a major drain on the battery & isn't recommended. Instead, you should probably use
startMonitoringSignificantLocationChangesto keep the location checking at a minimum.