Think of AGSGPS as the mapView's window to CoreLocation. To access the properties & methods of the AGSGPS object, you access the gps property on the mapView object. To have the mapView start responding to CoreLocation services, call the [mapView.gps start] method. The currentPoint property on AGSGPS will give you the iPhone's current location. Here is a sample snippet from a mapDelegate:
- (void)mapViewDidLoad:(AGSMapView *) mapView{
[mapView.gps start];
if (!mapView.gps.enabled) {
NSLog(@"The GPS is not enabled");
}
else if (mapView.gps.enabled) {
NSLog(@"The GPS is enabled");
}
}
This ought to happen for you automatically, if you've got the AGSGPS turned on. If you are talking about something like a button to go back to your current point after you've been panning around the map, I would modify and use Divesh's code at the end of this thread:
Get the currentPoint object, and set the parameters on the AGSMutableEnvelope to something appropriate, according to your x and y from the currentPoint on the AGSGPS object. Then call
Definetly Ive been able to make it work. But I have a last question: is there a way to modify the symbology of the GPS point? (e.g. apply a custom png)
By default, the map uses a round, blue symbol to display the current location. You can replace this symbol with an image icon of your choice. This image must be included in the application bundle, it must be named GpsDisplay.png and it must be 35x35 pixels in size.
