Best practices for implementing Lifecycle-aware components?

Implementing Lifecycle-aware components in Android applications is vital for creating robust, efficient, and responsive apps. These components help manage UI-related data in a lifecycle-conscious way, ensuring that your application behaves correctly during configuration changes, such as screen rotations, and efficiently manages resources.

Best Practices for Lifecycle-Aware Components

  • Use LiveData: Utilize LiveData to hold UI-related data that can automatically update the UI when data changes, automatically observing the lifecycle of components.
  • ViewModel: Implement ViewModel to store and manage UI-related data in a lifecycle-conscious way, separating UI data from UI controllers like activities and fragments.
  • LifecycleObserver: Use LifecycleObserver to perform actions in response to lifecycle changes without being tightly coupled to UI controllers.
  • Keep UI Logic in the ViewModel: Avoid placing logic that should survive configuration changes directly in the Activity or Fragment.
  • Use the Repository Pattern: Isolate data operations from the UI layer to enhance code reusability and separation of concerns.

Example Usage

<?php class MyViewModel extends ViewModel { private LiveData<String> myData; public LiveData<String> getMyData() { if (myData == null) { myData = ... // load data here } return myData; } } ?>

Android Lifecycle-aware components LiveData ViewModel Repository Pattern

Related Questions

How do I avoid rehashing overhead with std::set in multithreaded code?

How do I find elements with custom comparators with std::set for embedded targets?

How do I erase elements while iterating with std::set for embedded targets?

How do I provide stable iteration order with std::unordered_map for large datasets?

How do I reserve capacity ahead of time with std::unordered_map for large datasets?

How do I erase elements while iterating with std::unordered_map in multithreaded code?

How do I provide stable iteration order with std::map for embedded targets?

How do I provide stable iteration order with std::map in multithreaded code?

How do I avoid rehashing overhead with std::map in performance-sensitive code?

How do I merge two containers efficiently with std::map for embedded targets?