June 2015
Intermediate to advanced
100 pages
3h 29m
English
Content preview from Developing for Apple Watch
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Group Basics
You can think of every interface controller in your app as a group. When you add interface objects to the interface controller, WatchKit’s layout system places them in order, top to bottom. The first cool feature of groups is that you can control the direction of the layout—either top-to-bottom or left-to-right. You can also specify the size of the group relative to its container, whether that’s the interface controller itself or another group. And you can pick a background image or background color. Here’s a quick example of nested groups.
This interface controller has two groups as children: Group A (with a green background color) ...
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