Question

我在约旦的亚喀巴，我的别针是佩特拉，我想要做的就是设置方向来自＆＃34;我的位置＆＃34;在约旦的亚喀巴（或约旦的任何地方）到约旦的佩特拉，坐标为30.322098,35.451790 ..它不起作用。

（方向是一个转到地图应用程序的按钮）

在iPhone上，当我选择＆＃34;当前位置＆＃34;：方向无可用时，它会给我这个错误。

在iPhone上，它＆＃34; Dropped Pin＆＃34;它选择了一个我在约旦没有设置的别针。

在模拟器上，当我点击路线＆＃34;当前位置不可用＆＃34;

时，它会给我这个错误

ViewController.m

#import "ViewController.h"
#import "CHDIRNSObject.h"

@interface ViewController ()

@end

@implementation ViewController
@synthesize CHDirectionMapView;

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

    MKCoordinateRegion CHRegion = { {0.0, 0.0}, {0.0, 0.0} };
    CHRegion.center.latitude = 30.322098;
    CHRegion.center.longitude = 35.451790;
    CHRegion.span.latitudeDelta = 5.00f;
    CHRegion.span.longitudeDelta = 5.00f;
    [CHDirectionMapView setRegion:CHRegion animated:YES];

    CHDIRNSObject *CHann = [[CHDIRNSObject alloc] init];
    CHann.title = @"Petra";
    CHann.subtitle = @"Petra";
    CHann.coordinate = CHRegion.center;
    [CHDirectionMapView addAnnotation:CHann];

}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

-(IBAction)CHDirection:(id)sender {

    switch (((UISegmentedControl *) sender).selectedSegmentIndex) {

        case 0:
            CHDirectionMapView.mapType = MKMapTypeStandard;
            break;
        case 1:
            CHDirectionMapView.mapType = MKMapTypeHybrid;
            break;
        default:
            break;
    }

}

-(IBAction)CHGetLocation:(id)sender {
    CHDirectionMapView.showsUserLocation = YES;
}
-(IBAction)CHDirect:(id)sender {
    NSString *urlString = @"http://maps.apple.com/maps?daddr=30.322098,35.451790";
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];

}
@end

帮助：）

MapKit ..方向......错了？

0 个答案: