Mapkit Map Dash

User authorization is needed as long as it is used to get the user's location

#import "ViewController.h"

#import <MapKit/MapKit.h>

@interface Viewcontroller () <mkmapviewdelegate>

@property(nonatomic,strong)Uitextfield*destination;

@property(nonatomic,strong)Mkmapview*mapview;

@property(nonatomic,strong)Cllocationmanager *mgr;

@end

@implementation Viewcontroller

-(void) viewdidload {

[Super viewdidload];

self. Mgr=[[cllocationmanager alloc]init];

[self. Mgr requestalwaysauthorization];

mkmapview *map=[[mkmapview alloc]init];

Map. frame=self. View. Bounds;

self. Mapview=map;

[self. View Addsubview: map];

self. Mapview. Delegate=self;

Uitextfield *field=[[uitextfield alloc]init];

Field. frame=CGRectMake(ten, +, + );

self. Destination=field;

Field. text=@ " Xian ";

[self. View addsubview: field];

[self drawLine];

}

Dash

-(void) DrawLine

{

[self. View endediting:YES];

clgeocoder *geo=[[clgeocoder alloc]init];

[Geo geocodeaddressstring:self. Destination. Text Completionhandler: ^ (nsarray *placemarks, nserror *error) {

if (placemarks. Count= =0| | Error) {

return ;

}

// get The destination item and current location

clplacemark *pm=[placemarks firstobject];

mkplacemark *mkp=[[mkplacemark alloc]initwithplacemark:p m];

mkmapitem *destinationitem=[[mkmapitem alloc]initwithplacemark: MKP];

mkmapitem *useritem=[mkmapitem mapitemforcurrentlocation];

//1 Creating route requests

mkdirectionsrequest*request=[[mkdirectionsrequest alloc]init];

// Set start point end

Request. source=useritem;

Request. destination=destinationitem;

// Create route manager

mkdirections *direction=[[mkdirections alloc]initwithrequest: request];

// dash

[Direction Calculatedirectionswithcompletionhandler: ^ (mkdirectionsresponse *response, Nserror *error) {

for (mkroute*route in response. Routes) {

// Get the line

mkpolyline *line=route. Polyline;

// Add to map

[self. Mapview addoverlay: line];

}

}];

}];

}

-(mkoverlayrenderer*) Mapview: (mkmapview *) Mapview Rendererforoverlay: (ID< Mkoverlay>) Overlay

{

// Create renderer

mkpolylinerenderer *render=[[mkpolylinerenderer alloc]initwithoverlay: overlay] ;

// Set the color of the segment

Render. strokecolor=[uicolor redcolor];

// Set line width

Render. linewidth=5;

return render;

}

@end

Mapkit Map Dash