A user interface lets people control a program, give a program data, and receive data back again. Since people can only interact with a program through its user interface, it’s crucial that the user interface is uncluttered and easy to understand.
When designing a program’s user interface, experiment with different designs. What may seem intuitive and simple for you to use may seem completely foreign and confusing to a novice.
To help you create and experiment with different user interface designs, Xcode makes it easy for you to drag and arrange items on ...
