Forgetting android v2
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Architecture is About Intent, not Frameworks. So in this talk we are gonna talk about how you can prepare your android application to use the android framework as a tool instead of cramming your app into their limited constraints. We are gonna focus on SOLID principles, and concepts like testability, independency of UI, decoupled code, etc, will take a fundamental part of this session.
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Forgetting android v2
- 1. Forgetting Android v.2 Jorge Juan Barroso Carmona jorge@karumi.com @flipper83 +JorgeJBarroso Android expert
- 2. Basho. Poet Karumi is the beauty of ordinary things spoken of in a simple way.
- 4. Any fool can write code that a computer can understand. Good programmers write code that humans can understand. Martin Fowler
- 6. 1 Solid
- 7. Single responsibility principle Open/closed principle Liskov substitution principle Interface segregation principle Dependency inversion principle
- 9. A good architecture allows you to defer framework decisions. A good architecture allows frameworks to act as plugins to the app. Robert Martin “The database is a detail, a hardware detail. We would not use one at all if all our data could fit in memory for ever”
- 11. UI Layer UI Layer UI Data Model Data Mapper Interactor Bussines Data Model Data Storage Test Storage Data Mapper Data Mapper Storage Data Model Test Data Model
- 12. FeedViewModel FeedBoundary FeedListFragment FeedProvider GetFeed GetFeedImp List<Hipster> User DataSource Net UserDataSourceLikeDataSource Like DataSource Parse API UserApi API Retrofit api Parse api UI Layer Domain Layer use Cases or Interactors Data sources
- 13. FeedViewModel FeedListFragment FeedPresenter GetFeed Hipsters User Repository Like Repository UserDatasource UserApi LikeDS Retrofit api DbView Syncronous LikeApi Retrofit api Parse UserDBParse Parse UI Layer / MVP Domain Layer Use cases Data sources Hipsters Read only
- 16. Easy to test and mock
- 17. Easy to add or modify code
- 18. Easy to hide implementations
- 19. Easy to find smells
- 20. Async code
- 22. Change your mind
- 24. Find meI am very social! jorge@karumi.com @flipper83 +JorgeJBarroso Questions?