试试这个：

  @property（nonatomic，retain）IBOutlet GMSMapView * googleMapView; 
 @property（nonatomic，retain）CLLocationManager * locationManager; 

  - （void）showCurrentLocation {
 _googleMapView.myLocationEnabled = YES; 
 [self.locationManager startUpdatingLocation]; （CLLocationManager *）manager didUpdateToLocation：（CLLocation *）newLocation fromLocation：（CLLocation *）oldLocation {
 GMSCameraPosition * camera = [GMSCameraPosition cameraWithLatitude ：newLocation.coordinate.latitude 
 longitude：newLocation.coordinate.longitude 
 zoom：17.0]; 
 [_googleMapView animateToCameraPosition：camera]; 
 // ... 
} 
 

I want to set camera on current location and zoom level upto 10. So I have written code like this and for current location i get hint from this post.

How to use delegates in Google map API for IOS 6

here is my code

mapView_=[[GMSMapView alloc]initWithFrame:CGRectZero];

CLLocationCoordinate2D currentPosition = mapView_.myLocation.coordinate;

 GMSCameraPosition* camera =
[GMSCameraPosition cameraWithTarget: currentPosition zoom: 10];
 mapView_.camera = camera;
 mapView_.delegate=self;

  mapView_.mapType = kGMSTypeSatellite;
  mapView_.myLocationEnabled = YES;

  self.view = mapView_;
  mapView_.settings.myLocationButton = YES;

But coordinate is 0.00 in device.

Please Any Can help to solve out this issue?

Try this:

@property (nonatomic, retain) IBOutlet GMSMapView *googleMapView;
@property (nonatomic, retain) CLLocationManager *locationManager;

- (void)showCurrentLocation {
    _googleMapView.myLocationEnabled = YES;
    [self.locationManager startUpdatingLocation];
}

- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation {
            GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:newLocation.coordinate.latitude 
                                                                    longitude:newLocation.coordinate.longitude 
                                                                         zoom:17.0];
            [_googleMapView animateToCameraPosition:camera];
        //...
}