In this chapter, we covered the Interface Builder (IB) application, and how to go about creating a very simple application which interacted with the user to display some text to the screen using outlets and actions. We also got an insight into the iOS Application-Life-Cycle, and what happens when an application is loaded by the user.
We also enhanced our iPhone application and added some rotation and resized the controls. We also looked into the various ways of hiding the keyboard by resigning responders.
Now that we've learned about how to go about creating an application using Interface Builder, we are ready to start to focus on the iOS 4 Xcode Frameworks.
In the next chapter, we will take a look at the iOS frameworks and where these are ...