I need to build an array using something like the following: CLLocationCoordinate2D points[4]; points[0] = CLLocationCoordinate2DMake(41.000512, -109.050116); points[1] = CLLocationCoordinate...

I am developing an iPhone app which is a location aware app . Currentlly the app is working fine except the caching of previous location . The first time I start the application location manager ...

I am developing GPS application. Do you know about how to detect speed of mobile device ? Actually, I need to detect the speed every 2 seconds. I know didUpdateToLocation method is called when lo...

I'm relatively new to Objective-C and really don't know much about it yet, so I apologise for what is probably a really amateurish question. I'm trying to get the magnetic heading from CLHeading a...