Architecting your Android app with Jetpack

on YouTube ↗47m

" summary

An Android books app architecture built entirely with Jetpack components: Navigation XML and NavHost for navigation flows; ViewModel and LiveData for screen state; two-way DataBinding for forms; Room for local persistence with separate entity/domain/presentation Book classes and explicit mappers; WorkManager for background sync; and Paging for lists. Implementation shows problems when LiveData is pushed into repository/domain layers—causing cascading updates and a broken save-with-image flow—so LiveData should be kept at the presentation layer.

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" chapters (21)

1. 0:00Introduction
2. 1:04Android architecture principles
3. 3:14MVP and MVVM patterns
4. 5:44Clean Architecture layers
5. 7:31Jetpack overview
6. 9:21Jetpack architecture components
7. 11:06Navigation Component
8. 15:45Presentation layer
9. 19:17Data Binding and LiveData
10. 21:43ViewModel and lifecycle
11. 23:50LiveData in domain layer
12. 27:23Transformations and mappings
13. 29:48Show/hide UI elements
14. 30:10Lifecycle and LiveData
15. 32:59Domain layer and use cases
16. 35:27Data layer and reactivity
17. 37:34Room and local persistence
18. 40:45WorkManager for tasks
19. 43:12Paging for pagination
20. 45:21Summary and recommendations
21. 46:45Conclusion

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