I'm trying to setup a new project with Dagger2, I've used Dagger2 before, but now I'm trying to set it up from scratch by myself. I'm getting the example from a Kotlin project that I'm part of, but can't set it up for Java the same way as it works in Kotlin right now (or maybe I'm missing something).
It's just a single Component, single Module and Application.
Component
@Singleton
@Component(modules = {MainAppModule.class})
public interface AppComponent extends AndroidInjector<App> {
@Component.Builder
abstract class Builder implements AndroidInjector.Factory<App> {
public AppComponent create(App application) {
seedApplication(application);
return build();
}
@BindsInstance
abstract void seedApplication(App application);
abstract AppComponent build();
}
}
Module
@Module
abstract class MainAppModule {
@Binds
abstract public Application bindApplication(App application);
@ContributesAndroidInjector
abstract public MainActivity contributeActivityInjector();
}
*Application *
public class App extends DaggerApplication {
@Override
public AndroidInjector<? extends DaggerApplication> applicationInjector() {
return DaggerAppComponent.builder().create(this);
}
}
At this point I don't have any classes that I call with @Inject
I'm just getting error at build time:
error: [dagger.android.AndroidInjector.inject(T)] java.util.Map<java.lang.Class<? extends android.content.BroadcastReceiver>,javax.inject.Provider<dagger.android.AndroidInjector.Factory<? extends android.content.BroadcastReceiver>>> cannot be provided without an @Provides-annotated method.
public interface AppComponent extends AndroidInjector<App> {
^
Of course cannot be provided without an @Provides-annotated method. seems to be the problem, but I just don't know how to solve it. It works fine on my kotlin project, that somebody else set up.
It looks like you are missing AndroidInjectionModule (or AndroidSupportInjectionModule if you use support fragments) installed on you AppComponent.
It should be like:
@Component(modules = {AndroidInjectionModule.class, MainAppModule.class})