Navigation in SwiftUI can be challenging, especially when building complex apps with dynamic requirements. The TCA (The Composable Architecture) framework simplifies state management and enables organized navigation patterns like tree-based and stack-based navigation while handling dismissals efficiently.
In this article we are going to see how to create the same navigation in both patterns, tree-based and stack-based, how to test it, and finally how to dismiss programmatically.
You can find the Example project on GitHub, where each navigation pattern has been placed in a different target.
Each of this navigation patterns will contain the same screens:
- MainMenu: The main view that shows two buttons, one to go to the SignIn screen and another one to go to the SignUp screen.
- SignIn: Nothing special, just a sample screen.
- SignUp: Here we'll find a button that will simulate the end of the sign up, opening SignUpConfirmation screen.
- SignUpConfirmation: Nothing special, just a sample screen.
Tree-Based Navigation
In this navigation pattern, each view presents the next. The advantage is avoiding all the code in one place, but the drawback is losing centralized flow control.
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