Every game will need some kind of user interface, even if it is just a button that can be pressed to start a new game. In this section we will take a look at how a user interface can be implemented for your own game.
The Marmalade SDK ships with an API called IwUI, which allows us to create user interfaces for our projects consisting of buttons, labels, and other common controls.
This API is very feature-rich and allows interfaces to be created not just for games, but also for more serious applications. Marmalade used to ship with a tool called the Marmalade Studio UI Builder, but this is sadly no longer a supported part of the SDK. However, it is still possible to access this tool by either installing an older version of Marmalade (one of the v5.2.x releases is probably best) or by downloading its source code from https://github.com/marmalade/UI-Builder.
It is also possible to use IwUI without using the UI creation tool by constructing ITX files that...