- Lets refactor recipe activity into Model View Presenter…One thing that is confusing about the Model View Presenter…is that the view here is not the same as the view in Android…Instead, it is a generic term for the UI…In Android, this usually corresponds to an activity,…or a fragment.…For our app, it is recipe activity.…Now that we know what is our view,…we need to find a view interface,…which does not contain any Android classes.…
We will create an interface called…Recipe Contract for that.…This contract is going to be in the same folder…as the recepie activity.…Scroll on your project view, and locate recepie activity…under Main Java UI recepie.…Right click, new, Java Class…We will call it recipe contract.…Change it from class to interface.…Press OK.…
Inside the recipe contract, we will have two interfaces:…View, and listener…The view contract allows the presenter to talk to the view…and the listener allows the view to talk to the presenter.…How do we decide what goes into these interfaces?…The presenter should contain the logic.…
Author
Released
8/30/2017- Why test?
- Local vs. on-device
- Code coverage
- UI testing
- RecyclerView
- Hermetic environment
- Dependency injection
- Testing with MVP
Skill Level Intermediate
Duration
Views
Related Courses
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Android App Development: Data Persistence Libraries
with Annyce Davis4h 52m Intermediate
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Introduction
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Welcome1m
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1. Testing Considerations
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Why test?1m 10s
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Types of tests1m 10s
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Local vs. on-device4m 54s
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2. Test as You Go
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The sample app1m 32s
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Smallest unit first2m 20s
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Code coverage5m 20s
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3. UI Testing
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RecyclerView7m
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RecipeActivity: Layout2m 38s
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Vector drawable: Create3m 7s
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Vector drawable: Use2m 8s
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SharedPreferencesFavorites5m 22s
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Favorite: OnClickListener1m 40s
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4. Hermetic Environment
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Test doubles2m 10s
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Dependency injection1m 3s
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InMemoryFavorites4m 30s
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RecipeApplication3m 18s
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TestRecipeApplication1m 51s
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CustomTestRunner2m 26s
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Test state: Setup2m 17s
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Test state: Test3m 47s
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5. Robot Pattern
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What vs. How56s
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ScreenRobot3m 4s
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RecipeRobot6m 12s
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Clear favorites6m 55s
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Separation of concerns1m 40s
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6. Model-View-Presenter
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Introduction1m 19s
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Refactor: Load recipe2m 58s
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Refactor: Show error6m 1s
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Refactor: Show recipe7m 6s
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Refactor: Toggle favorite3m 31s
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Mockito: Intro1m 18s
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Mockito: Setup4m 29s
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Testing with MVP: Exception2m 26s
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Summary1m 14s
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Conclusion
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Next steps23s
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Video: View Interface and Presenter