iOS Call system navigation

#import "ViewController.h"

#import <MapKit/MapKit.h>

@interface viewcontroller ()

@property(nonatomic,weak)Uitextfield*destination;

@end

@implementation Viewcontroller

-(void) viewdidload {

[Super viewdidload];

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

field. frame=CGRectMake(Ten, ten, + );

[Field Becomefirstresponder];

[self. View addsubview: field];

self. Destination=field;

UIButton*btn= [UIButton buttonwithtype:uibuttontypecontactadd];

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

[Btn addTarget:self action:@selector(btnclick) forcontrolevents: UIControlEventTouchUpInside];

[self. View addsubview: btn];

}

-(void) Btnclick

{

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

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

// geo-coded to get a landmark

clplacemark *pm=[placemarks firstobject];

// Create mkplacemark

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

// Create destination Object

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

// Get the user's current item

mkmapitem *current=[mkmapitem mapitemforcurrentlocation];

//2. turn on navigation // set Map Travel mode, set map type , set whether traffic conditions are displayed

nsdictionary *operation=@{

mklaunchoptionsdirectionsmodekey:mklaunchoptionsdirectionsmodedriving,

mklaunchoptionsmaptypekey:@0,

mklaunchoptionsshowstraffickey:@NO};

[mkmapitem openmapswithitems:@[current,destination] launchoptions : operation];

}];

}

@end

iOS Call system navigation