以编程方式检查iPhone上是否启用了GPS

Question

如何检查iPhone上是否启用了GPS？

Answer 1

http://developer.apple.com/library/ios/#documentation/CoreLocation/Reference/CLLocationManager_Class/CLLocationManager/CLLocationManager.html

[CLLocationManager locationServicesEnabled]

返回一个布尔值，指示是否在设备上启用了位置服务。