4. Developing Views and View Controllers
In this chapter, we will flesh out the enter weight and history views for our Health Beat application. As we proceed, we will gain more experience graphically laying out views and linking user interface elements to their view controllers. We will also learn how to populate, monitor, and control a table view; how to set up static table views; and the differences between using a navigation controller and simply presenting modal views.
This chapter also includes a discussion of advanced techniques. We use Core Animation to modify a view’s appearance, which lets us create rounded buttons with custom background colors.
Entering Weight Data
Let’s start by modifying our enter weight view. Open the