iOS8 遇到的问题

    if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0) {
         [_locationManager requestWhenInUseAuthorization ];
    }
   
    [_locationManager startUpdatingLocation];

  if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0) {
        [app registerForRemoteNotifications];
        
        UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:
                                                UIRemoteNotificationTypeAlert
                                                | UIRemoteNotificationTypeBadge
                                                | UIRemoteNotificationTypeSound categories:nil];
        [app registerUserNotificationSettings:settings];
        
    } else {
        [app registerForRemoteNotificationTypes:
         UIRemoteNotificationTypeAlert
         | UIRemoteNotificationTypeBadge
         | UIRemoteNotificationTypeSound];
    }

iOS8 遇到的问题

原文：http://blog.csdn.net/iitvip/article/details/39477709