如何创建 MKCoordinateRegion 。
NSString *latitudeString = [locationString substringToIndex:startRange.location];
NSString *longtitudeString = [locationString substringWithRange:NSMakeRange(startRange.location+2,((endRange.location-1)-(startRange.location+2)))];
CLLocationCoordinate2D coord = CLLocationCoordinate2DMake((int)latitudeString, (int)longtitudeString);
MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(coord, 500, 500);`
我收到错误“无效区域中心:+392128672.00000000,+392128704.00000000 跨度:+0.00448287,-0.01195557”
最佳答案
移除类型转换。使用以下代码。
CLLocationCoordinate2D coord = CLLocationCoordinate2DMake([latitudeString doubleValue], [longtitudeString doubleValue]);
MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(coord, 500, 500);
关于ios - 如何创建 MKCoordinateRegion,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24380926/