iPhone Map Application

How to Open iPhone Map Application from our appli开发者_如何学Gocation and passing the parameter to that?

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[[UIApplication sharedApplication] openURL:[NSURL URLWithString: @"http://maps.google.com/maps?ll=yourLattitude, yourLongitude"]];

must open the map application on your location. You can also use Google Maps inside your application with MapKit framework.