我想在以下项目中向 ARView 添加指南针:http: //developer.apple.com/library/ios/#samplecode/pARk/Listings/pARk_ARView_m.html#//apple_ref/doc/uid/DTS40011083-pARk_ARView_m-DontLinkElementID_5
我用了- (void) locationManager:(CLLocationManager *)manager didUpdateHeading:(CLHeading *)newHeading
但它似乎没有被执行。请帮我解决这个问题。提前致谢