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dependencies {
    def daggerVersion = '2.11'

    annotationProcessor "com.google.dagger:dagger-compiler:$daggerVersion"
    annotationProcessor "com.google.dagger:dagger-android-processor:$daggerVersion"

    compile "com.google.dagger:dagger:$daggerVersion"
    compile "com.google.dagger:dagger-android:$daggerVersion"
}

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@Scope
@Retention(RetentionPolicy.RUNTIME)
public @interface PerActivity {
}

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@Scope
@Retention(RetentionPolicy.RUNTIME)
public @interface PerFragment {
}

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@Scope
@Retention(RetentionPolicy.RUNTIME)
public @interface PerChildFragment {
}

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public class App extends Application implements HasActivityInjector {

    @Inject
    DispatchingAndroidInjector<Activity> activityInjector;

    @Override
    public void onCreate() {
        super.onCreate();
        DaggerAppComponent.create().inject(this);
    }

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@Module(includes = AndroidInjectionModule.class)
abstract class AppModule {
}

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@Singleton
@Component(modules = AppModule.class)
interface AppComponent {
    void inject(App app);
}

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public abstract class BaseActivity extends Activity implements HasFragmentInjector {

    @Inject
    @Named(BaseActivityModule.ACTIVITY_FRAGMENT_MANAGER)
    protected FragmentManager fragmentManager;

    @Inject
    DispatchingAndroidInjector<Fragment> fragmentInjector;

    @Override

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@Module
public abstract class BaseActivityModule {

    static final String ACTIVITY_FRAGMENT_MANAGER = "BaseActivityModule.activityFragmentManager";

    @Binds
    @PerActivity
    abstract Context activityContext(Activity activity);

    @Provides

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public abstract class BaseFragment extends Fragment implements HasFragmentInjector {

    @Inject
    protected Context activityContext;

    // Note that this should not be used within a child fragment.
    @Inject
    @Named(BaseFragmentModule.CHILD_FRAGMENT_MANAGER)
    protected FragmentManager childFragmentManager;