Good architecture helps keep your app smooth and responsive. By organizing code well, it reduces unnecessary work on the main thread, helping maintain 60 frames per second for smooth animations. It also helps manage memory better by separating concerns, so objects are created and destroyed properly, avoiding leaks that can slow down or crash your app.
Use architecture patterns like MVVM or Clean Architecture to separate UI, business logic, and data layers. This separation allows you to run heavy tasks off the main thread, keeping the UI fast. Use Kotlin coroutines for asynchronous work and LiveData or StateFlow to update UI efficiently. Avoid doing too much work in UI components to prevent frame drops.
Well-structured architecture can reduce app size by enabling modularization. You can split features into modules and load them only when needed, which keeps the initial app bundle smaller and startup faster. Also, clear architecture helps avoid duplicated code and unnecessary libraries, keeping the app lean.
On Android, architecture patterns like MVVM with Jetpack components (ViewModel, LiveData) are common. Android apps benefit from modularization with Gradle. On iOS, similar patterns use MVC or MVVM with SwiftUI or UIKit. iOS apps use frameworks and Swift Package Manager for modularization. Both platforms require careful threading to keep UI smooth, but Android uses Kotlin coroutines, while iOS uses GCD or async/await.
Your app takes 5 seconds to load this screen. What's likely wrong?