IOS map (add a PIN)

First, import the Mapkit.framework library file in the project

1 #import <UIKit/UIKit.h>23@interface Appdelegate:uiresponder < Uiapplicationdelegate>45 @property (Strong, Nonatomic) UIWindow *window; 6 7 @end

1 #import "AppDelegate.h"2 #import "RootViewController.h"3 @interfaceappdelegate ()4 5 @end6 7 @implementationappdelegate8 9 Ten-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (Nsdictionary *) launchoptions { OneSelf.window =[[UIWindow alloc] initwithframe:[[uiscreen mainscreen] bounds]; A     //Override point for customization after application launch. -Self.window.backgroundColor =[Uicolor Whitecolor]; -      theSelf.window.rootViewController =[[Rootviewcontroller alloc] init]; -      - [Self.window makekeyandvisible]; -     returnYES; + } -  + @end

1 #import <UIKit/UIKit.h>23@interface  rootviewcontroller: Uiviewcontroller45@end

1 #import "RootViewController.h"2 #import<MapKit/MapKit.h>3 #import "YXYCAnation.h"4 5 @interfaceRootviewcontroller () <MKMapViewDelegate>6 7 @end8 9 @implementationRootviewcontrollerTen  One- (void) Viewdidload { A [Super Viewdidload]; -     //Initialize Mkmapview -Mkmapview *mapview =[[Mkmapview alloc] initwithframe:[[uiscreen mainscreen] bounds]; the     //Set up proxy -Mapview.Delegate=Self ; -     //set display current position -Mapview.showsuserlocation =YES; +     //Set the map display type -Mapview.maptype =Mkmaptypestandard; +     //latitude and longitude degree ACllocationcoordinate2d coord2d = {23.117000,113.27500}; at     //Display Range Accuracy -Mkcoordinatespan span = {0.01,0.01}; -     //Display Area -Mkcoordinateregion region ={Coord2d,span}; -     //Setting the display area for a map - [Mapview setregion:region animated:yes]; in [Self.view Addsubview:mapview]; -      to     //Create a Anation object +Cllocationcoordinate2d Showcoord = {23.117000,113.27500}; -Yxycanation *anation1 =[[Yxycanation alloc] initwithcoordinate2d:showcoord]; theAnation1.title =@"Yuexiu Park"; *Anation1.subtitle =@"Small title"; $ [Mapview Addannotation:anation1];Panax Notoginseng } -  the #pragmaMark-mkannotationview delegate- +-(Mkannotationview *) Mapview: (Mkmapview *) Mapview viewforannotation: (ID<MKAnnotation>) Annotation A { the     StaticNSString *identify =@"Annotian"; +Mkpinannotationview *annotationview = (Mkpinannotationview *) [Mapview dequeuereusableannotationviewwithidentifier:identify]; -     if(Annotationview = =Nil) { $         //Mkpinannotationview is a pin view $Annotationview =[[Mkpinannotationview alloc] initwithannotation:annotation reuseidentifier:identify]; -         //Set whether title view is displayed -Annotationview.canshowcallout =YES; the          -UIButton *button =[UIButton buttonwithtype:uibuttontypedetaildisclosure];Wuyi [button addtarget:self action: @selector (buttonaction:) forcontrolevents:uicontroleventtouchupinside]; theAnnotationview.rightcalloutaccessoryview =button; -     } WuAnnotationview.pincolor =mkpinannotationcolorred; -Annotationview.animatesdrop =YES; About      $     returnAnnotationview; - } -  -- (void) Buttonaction: (UIButton *) Sender A { +NSLog (@"Show Park Introduction"); the } -  $ @end

1 #import<Foundation/Foundation.h>2 #import<MapKit/MapKit.h>3 @interfaceYxycanation:nsobject<mkannotation>4 5 @property (nonatomic, assign) cllocationcoordinate2d coordinate;6@property (nonatomic, copy) NSString *title;7@property (nonatomic, copy) NSString *subtitle;8 9- (ID) Initwithcoordinate2d: (cllocationcoordinate2d) coordinate;Ten  One @end

1 #import "YXYCAnation.h"2 3 @implementationyxycanation4 5- (ID) Initwithcoordinate2d: (cllocationcoordinate2d) Coordinate6 {7Self =[Super init];8     if(Self! =Nil) {9_coordinate =coordinate;Ten     } One     returnSelf ; A } -  -  the @end

as follows:

IOS map (add a PIN)