Massive and Tiny View Controllers
The idea of Massive View Controller all started from one simple tweet. It feels like the most obvious and pressing issue in terms of code quality in our industry.
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These techniques won’t solve Massive View Controller on their own, but taken together, but they will take you a lot of way there.
Instead of rejecting view controllers, what if we embraced them? We could make lots and lots of small view controllers, instead of lots of lots of small plain objects. After all, Apple gives us good ways to compose view controllers. What if we “leaned in” to view controllers? What benefits could we gain from such a setup?
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We have a general principle that we like to follow: prefer composition instead. Luckily, Apple gives us a great way to compose view controllers, and we’ll get access to the view lifecyle methods too, for free! Even if your view controller’s view is totally invisible, it’ll still get the appearance callbacks, like
-viewDidAppear:and-viewWillDisappear.
