Example Xcode project for displaying the Lena image on an iOS device (simulated or real). To build run, simply download this project double click on the Xcode project "Intro_iOS_Lena.xcodeproj". This should start Xcode and bring up the project.
To build and run, simply click the "play" button in the top left corner of Xcode. Next to that you can choose the device to run it on, you should choose the iPAD 2 Air simulator.
You should see an image of Lena on the simulator.