Customizing the Leaderboard
As demonstrated in the previous section, presenting a leaderboard to the user is straightforward. However, what if you want to customize the appearance of a leaderboard? In this section, you will be walked through the process of receiving the raw leaderboard information so that you can present it in your app in whatever fashion suits your needs.
We begin the process of adding a custom leaderboard by adding a new button and associated action for it to UFOViewController. Add a new button adjacent to the previous leaderboard button, and create a new action for it.
In the previous example, Apple provides a view controller for us. When we are working with our own custom leaderboards, we need to create a view controller ...