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Questions tagged [dagger-2]

Dagger 2 is a dependency injection framework for Java and Android. It implements the full stack with generated code

Dagger 2 is a compile-time dependency injection framework for and .

It uses code generation and compile-time validation taking the approach started with Dagger 1 to it's ultimate conclusion. Dagger 2 eliminates all reflection and improves code clarity by removing the traditional ObjectGraph/Injector in favor of user-specified @Component interfaces. Dagger 2 implements the full stack with generated code.

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3161 questions
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How to filed inject a nullable type in an activity with dagger 2 and kotlin

I have a this dependency that I want to inject in some activity. I'm using dagger.android and did all the setup and the project compiles perfectly In the AppModule: @Provides fun provideAppDrawable(application: Application): Drawable? { return…
Toni Joe
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Dagger2 & Kotlin: @Binds doesn't work with @IntoMap

I'm doing lesson from here: https://dagger.dev/tutorial/07-two-for-the-price-of-one When I'm changing code @Module abstract class HelloWorldModule { @Binds abstract fun helloWorldCommand(command: HelloWorldCommand): Command } into…
thorin86
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Dagger 2 @Component.Builder dependencies missing setters error

I am trying to instantiate Dagger using some external parameters (I am writing a library) but the compiler keeps giving me the following error: error: @Component.Builder is missing setters for required modules or components: …
Nick Pampoukidis
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Dagger/MissingBinding: android.app.Application cannot be provided without an @Inject constructor or an @Provides-annotated method

Im using dagger in android. in my module I have a method which has a Application dependency. the code below: @Module public class NetworkModule { @Provides public Drawable provideAppDrawable(Application application) { return…
mrzbn
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How to handle subcomponents with dagger2 on single activity app?

I'm trying to use dagger 2 on my app. The app has only MainActivity and different fragment which navigation is implemented by the navigation component. I want to have different subcomponents throughout the app such as AuthSubcomponent,…
Marco Galdi
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Dagger module depends on another module

I'm new to DI and Dagger. I have this dependency graph in the Android project: @Module(includes=[Module1, Module2, Module3]) ClassAModule @Module(includes=[classAModule, Module4]) ClassBModule @Module(includes=[ClassBModule])…
dumbfingers
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Dagger @Singleton in object module

I have a question if there is any significal difference between using @Module object without @Singleton functions and @Module class with @Singleton functions. So like: @Module object ApiModule { @Provides fun test() } @Module class…
P.Juni
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Sci-Chart using Dagger2 for chart update in Android

I am building an app based on arch. MVVM+Databinding for realtime graph data. Using Sci-chart was quick and easy but trying to update app with DI using Dagger2 is generating sci-chart builder instances null while trying to update graph using…
Praween k
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Managing hk2 and dagger2 in dependencies in gradle

My project, project, used to use HK2 for DI, and now I'm trying to migrate it to using dagger2. It depends on a library, lib, which uses HK2 for DI. Dependencies are managed with Gradle. One of my classes looks like: package com.mine; import…
PunDefeated
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Dagger 2 / Inject Context In A Non-Activity Class

I would appreciate some help with the following problem; I have researched for quite some time, but unfortunately I have not been able to find something that can actually help me. My goal is to inject the applicationContext into a class that is not…
bonobo
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Field injection in AppWidgetProvider in kotlin using dagger 2

I am using dagger2 and kotlin in my project. I have injected activity and viewmodels and now I want to inject appwidgetprovider class for app widgets. I can`t find a way to inject fields in to appwidgetprovider class. Here is my dagger2…
kartoos khan
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Dagger: Cannot find symbol error in generated Component code for a Kotlin nested class

I'm trying to @Inject a class Outer that has a nested data class Inner. The dagger generated Component code refers to the nested class as Outer$Inner when Inner is used as a generic type. I'm wondering if there's an annotation (or some other way)…
Pravin Sonawane
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Dagger Component.Factory cannot be provided

I have a Component to provide dependencies for Data Input: @Component(modules = [DataInputModule::class]) interface DataInputComponent { fun inject(activity: DataInputActivity) fun factory(): Factory @Component.Factory interface…
agiro
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MockK class verification breaking with Dagger

Overview Expected: Testing Dagger created repository class with empty constructor Issue: Mockk verification is breaking with mockkConstructor and confirmVerified using Dagger dependency injection to create a repository class. When implementing a…
AdamHurwitz
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Dagger/MissingBinding. Outputter cannot be provided without an @Provides-annotated method

I'm learning Dagger2 via their tutorial but am blocked at part 5. I've implemented everything in Kotlin (jvm) and the logic/behavior matches the tutorial in working order to this point. However, I'm unable to create SystemOutModule and unsure…
es0329
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