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UPDATE: Follow the second part here
http://blog.objectgraph.com/index.php/2009/04/03/iphone-sdk-30-playing-with-map-kit-part-2/

I started looking at the Map Kit API for developing a quick and dirty – Find where you parked your car – application.

There is no programming guide for Map Kit yet on the developer pages for Apple, So I decided to share some some of it here.

The main class that supports a Map is called

MKMapView

You need to include the header

MapKit/MapKit.h

Also dont forget to add a reference to the Framework MapKit.Framework

The code is relatively simple. Here are the steps

• Create a simple project – I chose utility application – Name it whatever you want
• Go to MainViewController.h
• Include the header MapKit/MapKit.h

Here is a screenshot of the code

As you can see i just created a reference to MKMapView

Now go to MainViewController.m

and just initialize the view and add it as a subview to the MainViewController’s view.

Thats it, You get a scrollable Map

By adding a few more parameters,

mapView.showsUserLocation=TRUE;
mapView.mapType=MKMapTypeHybrid;

You will see similar to below. User’s location on simulator looks like Apple’s HQ

Next time i will explore how to create points on the map.

Here is a reference to MKMapView class.

http://developer.apple.com/iphone/prerelease/library/documentation/MapKit/Reference/MKMapView_Class/MKMapView/MKMapView.html