iOS.定位服务与地图应用.06.调用iOS苹果地图

#import <UIKit/UIKit.h>
#import <CoreLocation/CoreLocation.h>
#import <MapKit/MapKit.h>

@interface T20140621001526ViewController : UIViewController

@property (weak, nonatomic) IBOutlet UITextField *txtQueryKey;

@property (weak, nonatomic) IBOutlet UITextView *txtView;

- (IBAction)geocodeQuery:(id)sender;

@end

#import "T20140621001526ViewController.h"

@interface T20140621001526ViewController ()

@end

@implementation T20140621001526ViewController

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

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
- (IBAction)geocodeQuery:(id)sender {
    
    if (_txtQueryKey.text == nil || [_txtQueryKey.text length] == 0) {
        return;
    }
    
    CLGeocoder *geocoder = [[CLGeocoder alloc] init];
    [geocoder geocodeAddressString:_txtQueryKey.text completionHandler:^(NSArray *placemarks, NSError *error) {
        NSLog(@"查询记录数：%i",[placemarks count]);
        if ([placemarks count] > 0) {
            CLPlacemark* placemark = placemarks[0];
            
            CLLocationCoordinate2D coordinate = placemark.location.coordinate;
            NSDictionary* address = placemark.addressDictionary;
            MKPlacemark *place = [[MKPlacemark alloc]
                                  initWithCoordinate:coordinate addressDictionary:address];
            
            MKMapItem *mapItem = [[MKMapItem alloc]initWithPlacemark:place];
            [mapItem openInMapsWithLaunchOptions:nil];
            
            /*
             //地图上设置行车路线
             NSDictionary* options =[[NSDictionary alloc]initWithObjectsAndKeys:
             MKLaunchOptionsDirectionsModeDriving,MKLaunchOptionsDirectionsModeKey, nil];
             
             MKMapItem *mapItem = [[MKMapItem alloc]initWithPlacemark:place];
             [mapItem openInMapsWithLaunchOptions:options];
             */
            
            //关闭键盘
            [_txtQueryKey resignFirstResponder];
        }
    }];
    
}

/*
 //多个点需要标注
 - (IBAction)geocodeQuery:(id)sender {
 
 if (_txtQueryKey.text == nil || [_txtQueryKey.text length] == 0) {
 return;
 }
 
 CLGeocoder *geocoder = [[CLGeocoder alloc] init];
 [geocoder geocodeAddressString:_txtQueryKey.text completionHandler:^(NSArray
 *placemarks, NSError *error) {
 NSLog(@"查询记录数：%i",[placemarks count]);
 
 NSMutableArray* array = [NSMutableArray new];
 
 for (int i = 0; i < [placemarks count]; i++) {
 
 CLPlacemark* placemark = placemarks[i];
 
 CLLocationCoordinate2D coordinate = placemark.location.coordinate;
 NSDictionary* address = placemark.addressDictionary;
 
 MKPlacemark *place = [[MKPlacemark alloc]
 initWithCoordinate:coordinate addressDictionary:address];
 
 MKMapItem *mapItem = [[MKMapItem alloc]initWithPlacemark:place];
 
 [array addObject:mapItem];
 }
 
 //关闭键盘
 [_txtQueryKey resignFirstResponder];
 
 if ([array count] > 0) {
 [MKMapItem openMapsWithItems:array launchOptions:nil];
 }
 }];
 }
 */
@end