Have doubts about switching to MVVM?
This is the important steps that every iOS App Development Company Should take and consider.Keep reading, and you will find answers to questions above, if you don’t — feel free to complain in comments.You are about to structure your knowledge about architectural patterns in iOS environment.
Follow links if you need more details about any particular one.Mastering design patterns might be addictive, so beware: you might end up asking yourself more questions now than before reading this article, like these:Who supposed to own networking request: a Model or a Controller?How do I pass a Model into a View Model of a new View?Who creates a new VIPER module: Router or Presenter?
Naturally, it is hard to keep this class in mind as whole entity, thus, you’ll always be missing some important details.
If you are already in this situation with your application, it is very likely that:This class is the UIViewController subclass.Your data stored directly in the UIViewControllerYour UIViews do almost nothingThe Model is a dumb data structureYour Unit Tests cover nothingAnd this can happen to every iOS App Development Company or development pattern, even despite the fact that you are following Apple’s guidelines and implementing Apple’s MVC pattern, so don’t feel bad.
There is something wrong with the Apple’s MVC, but we’ll get back to it later.Let’s define features of a good architecture:Balanced distribution of responsibilities among entities with strict roles.Testability usually comes from the first feature (and don’t worry: it is easy with appropriate architecture).Ease of use and a low maintenance cost.Why Distribution?Distribution keeps a fair load on our brain while we trying to figure out how things work.