摘要:
ProblemYou want to point out a specific location on a map to the user.SolutionUse built-in map view annotations. Follow these steps:1. Create a new cl... 阅读全文
摘要:
ProblemYou want to find the latitude and longitude of a device.SolutionUse the CLLocationManager class:#import "WSYViewController.h"#import @interface... 阅读全文