iOS/iPhone Map View (MKMapView) Longitude , Latitude Example (iPhone,iPad)

//
//  DisplayMap.h
//  mapViewApp
//
//  Created by Weerachai on 11/10/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <MapKit/MKAnnotation.h>


@interface DisplayMap : NSObject <MKAnnotation> {
    
	CLLocationCoordinate2D coordinate;
	NSString *title;
	NSString *subtitle;
}
@property (nonatomic, assign) CLLocationCoordinate2D coordinate;
@property (nonatomic, copy) NSString *title;
@property (nonatomic, copy) NSString *subtitle;

@end

//
//  DisplayMap.m
//  mapViewApp
//
//  Created by Weerachai on 11/10/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import "DisplayMap.h"


@implementation DisplayMap

@synthesize coordinate,title,subtitle;


-(void)dealloc{
	[title release];
	[super dealloc];
}

@end

//
//  ViewController.h
//  mapViewApp
//
//  Created by Weerachai on 11/10/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

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

@interface ViewController : UIViewController  <MKMapViewDelegate> 
{
    IBOutlet MKMapView *mapview;
}

@property (retain, nonatomic) IBOutlet MKMapView *mapview;


@end

//
//  ViewController.m
//  mapViewApp
//
//  Created by Weerachai on 11/10/55 BE.
//  Copyright (c) 2555 Weerachai. All rights reserved.
//

#import "ViewController.h"
#import "DisplayMap.h"

@interface ViewController ()

@end

@implementation ViewController

@synthesize mapview;

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    
    [mapview setMapType:MKMapTypeStandard];
	[mapview setZoomEnabled:YES];
	[mapview setScrollEnabled:YES];
	MKCoordinateRegion region = { {0.0, 0.0 }, { 0.0, 0.0 } };
	region.center.latitude = 13.815941829272814;
	region.center.longitude = 100.56098341941833;
	region.span.longitudeDelta = 0.01f;
	region.span.latitudeDelta = 0.01f;
	[mapview setRegion:region animated:YES];
    
	[mapview setDelegate:self];
	
    
	DisplayMap *ann = [[DisplayMap alloc] init];
	ann.title = @" เซ็นทรัล ลาดพร้าว";
	ann.subtitle = @"เลขที่ 1693 ถนนพหลโยธิน เขตจตุจักร กรุงเทพมหานคร";
	ann.coordinate = region.center;
	[mapview addAnnotation:ann];
}

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



- (void)dealloc {
    [mapview release];
    [super dealloc];
}
@end