Google地图会显示当前位置箭头，但不会加载地图

Question

我从iOS中删除了地图并切换到谷歌地图。现在它显示了我的位置，但它没有加载地图。它是灰色/黄色，位于Google的左下角。

这是我的实施：

#import <CoreLocation/CoreLocation.h>

@interface GoogleMapViewController ()

    @property  (strong, nonatomic) CLLocationManager *locationManager;


@end

@implementation GoogleMapViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];

    // Create a GMSCameraPosition that tells the map to display the
    // coordinate -33.86,151.20 at zoom level 6.
    GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:-33.86
                                                            longitude:151.20
                                                                 zoom:6];
    _mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];
    _mapView.myLocationEnabled = YES;
    self.view = _mapView;

    [self initLocationManager];

    // Creates a marker in the center of the map.
    GMSMarker *marker = [[GMSMarker alloc] init];
    marker.position = CLLocationCoordinate2DMake(-33.86, 151.20);
    marker.title = @"Sydney";
    marker.snippet = @"Australia";
    marker.map = _mapView;
}

- (void) initLocationManager
{
    self.locationManager = [[CLLocationManager alloc] init] ;
    self.locationManager.delegate = (id)self;
    self.locationManager.desiredAccuracy = kCLLocationAccuracyBestForNavigation ;
    [self.locationManager setDistanceFilter:10.0f] ;
    [self.locationManager startUpdatingLocation];
}

- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation
           fromLocation:(CLLocation *)oldLocation
{
    NSLog(@"New locations");
    [self.locationManager stopUpdatingLocation];
    _mapView.camera = [GMSCameraPosition cameraWithTarget:newLocation.coordinate
                                                     zoom:6];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

这基本上是Google Dev页面的教程演示应用程序，我不确定为什么它没有加载地图。

这就是我得到的：

Answer 1

我发现了问题。您需要将初始摄像机缩放级别设置为1，然后放大当前位置。这样你仍然可以缩小并拥有整个地图。

如果您将缩放级别14作为初始值，那么谷歌地图并不会加载我认为的地图的其余部分。