Presentation about Hilt on the irLogcat Link : https://youtu.be/isCaUmpX62w Source : https://github.com/alirezanazari/DaggerSkills/tree/13-migrate-to-hilt

1. HiltDependency Injection
Alireza Nazari
http://AlirezaNazari.ir

2. Hilt vs Dagger
• Hilt built on top of dagger
• Hilt has all of dagger ability
• Hilt reduce much boilerplate codes

3. Hilt advantageous
• Write less code
• Make source more readable
• Construct easier a DI for beginner developers.

5. Application.kt in Dagger

6. Application.kt in Hilt

7. Component in Dagger

8. Component in Hilt
Nothing

9. Components and Scopes
• Application Component (@Singleton)
• Activity Component (@ActivityScoped)
• Activity Retained Component (@ActivityRetainedScoped)
• Fragment Component (@FragmentScoped)
• Service Component (@ServiceScoped)
• View Component (@ViewScoped)

10. Modules

11. Activity or Fragments in Dagger

12. Activity or Fragments in Hilt

13. View Models in Dagger

14. View Models in Hilt

15. Entry Point
@EntryPoint
@InstallIn(SingletonComponent::class)
interface FooBarInterface {
@Foo fun getBar(): Bar
}
val bar = EntryPoints.get(applicationContext,
FooBarInterface::class.java).getBar()

16. Custom Component
@DefineComponent(parent = SingletonComponent.class)
interface MyCustomComponent {}
@DefineComponent.Builder
interface MyCustomComponentBuilder {
MyCustomComponentBuilder fooSeedData(@BindsInstance Foo foo);
MyCustomComponent build();
}
@EntryPoint
@InstallIn(MyCustomComponent.class)

17. Testing

18. Thank you
https://dagger.dev/hilt/
https://developer.android.com/training/dependency-injection/hilt-android