GMSMapView scaling to match GMSMarker markers?

Question

I expected from this code, it will put all the markers on the map and scale GMSMapViewto fit all of mine GMSMarker, I use for this method includingCoordinatefrom the class GMSCoordinateBounds, but it doesn’t work as I want.

My example:

#import "ViewController.h"

@import GoogleMaps;
@import CoreLocation;

@interface ViewController ()

@property (weak, nonatomic) IBOutlet GMSMapView *mapView;

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];

    NSMutableArray <CLLocation *> *locations = [NSMutableArray array];
    [locations addObject:[[CLLocation alloc] initWithLatitude:55.755786 longitude:37.617633]];
    [locations addObject:[[CLLocation alloc] initWithLatitude:-22.9035393 longitude:-43.2095869]];
    [locations addObject:[[CLLocation alloc] initWithLatitude:51.50998 longitude:-0.1337]];

    NSArray *titles = @[@"marker1", @"marker2", @"marker3"];

    NSMutableArray <GMSMarker *> *markers = [NSMutableArray array];

    for (NSUInteger i = 0; i < 3; ++i)
    {
        GMSMarker *marker = [[GMSMarker alloc] init];
        marker.position = locations[i].coordinate;
        marker.title = titles[i];
        marker.map = _mapView;
        [markers addObject:marker];
    }

    GMSCoordinateBounds *bounds = [[GMSCoordinateBounds alloc] initWithCoordinate:markers[0].position coordinate:markers[0].position];

    for (GMSMarker *marker in markers)
    {
        bounds = [bounds includingCoordinate:marker.position];
    }

    [_mapView animateWithCameraUpdate:[GMSCameraUpdate fitBounds:bounds]];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
}

@end

and this is the result of this code:

Answer 1

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