Zoom Out the MapView for iOS

Add the Frameworks: MapKit, CoreLocation

Create a New File for MapViewController & Add the Below Code’s

MapViewController.h

#import <MapKit/MapKit.h>

@interface MapViewController : UIViewController <MKMapViewDelegate>

@property (weak, nonatomic) IBOutlet MKMapView *map_view;

@end

MapViewController.m

#import "MapViewController.h"

@interface MapViewController ()

@end

@implementation MapViewController

@synthesize map_view;

- (void)viewDidLoad

{

    [super viewDidLoad];

    map_view.delegate = self;

map_view.mapType = MKMapTypeStandard;

    [self zoom_out_view];

}

- (void)zoom_out_view

{

// step.1 create co-ordianate-span as follows

    MKCoordinateSpan span = {.latitudeDelta = 180, .longitudeDelta = 360};

    

    // step.2 crate region as follows

    MKCoordinateRegion region = MKCoordinateRegionMake(CLLocationCoordinate2DMake(0.0000f, 0.0000f), span);

    

    // step.3 zoom using region to map as follows

    [map_view setRegion:region animated:YES];

}