Interface Builder has now been a part of Xcode for a while and can be used as you can use the code editor. Create a new project with a storyboard to create a simple UI. To start, create a new project (File | New | Project) and create an iOS project:
To work with the storyboard UI, first click on the Main.storyboard option to open the storyboard in the editor for you to work with. This area is called the canvas; this is where you drag-and-drop your elements:
Now you can place items onto the canvas. You can drag-and-drop elements from the library, scroll down to a button object, and drag and drop it onto the canvas. Use the blue guidelines to align it right at the center of the view.
