Xcode6下iOS8地图无法定位问题Trying to start MapKit location updates without prompting for location authorizat

报错说明：Trying to start MapKit location updates without prompting for location authorization. Must call -[CLLocationManager requestWhenInUseAuthorization] or -[CLLocationManager requestAlwaysAuthorization] first.

解决办法：

1.首先要链接两个framework

 MapKit.framework
CoreLocation.framework；

2.示例代码如下

@interface ViewController : UIViewController
{
CLLocationManager *locationManager;
}@property (weak, nonatomic) IBOutlet MKMapView *mapView;

@end

@implementation ViewController

– (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.

locationManager = [[CLLocationManager alloc] init];
[locationManager requestWhenInUseAuthorization];
[locationManager startUpdatingLocation];

[_mapView setShowsUserLocation:YES];
}

3.在工程下的info.plist添加如下两个NSString字段

NSLocationAlwaysUsageDescription 和 NSLocationWhenInUseDescription 

如果还是无法定位当前位置再加上一个字段

Supported interface orientations