我有一个小场景,我有以下结构,我试图在baseActivity片段中注入片段管理器,但由于某种原因,我的运气不佳:(匕首2.11-与匹配键绑定存在于组件
@Singleton
@Component(modules = { AppModule.class,
ActivityModule.class,
AndroidSupportInjectionModule.class })
public interface AppComponent extends AndroidInjector<App> {
@Override
void inject(App application);
@Component.Builder interface Builder {
@BindsInstance
AppComponent.Builder application(App application);
AppComponent build();
}
}
ActivityModule.class
@PerActivity
@ContributesAndroidInjector(modules = BaseActivityModule.class)
abstract BaseActivity baseActivity();
BaseActivityModule.class
static final String ACTIVITY_FRAGMENT_MANAGER = "ACTIVITY_FRAGMENT_MANAGER";
@PerActivity
@Named(ACTIVITY_FRAGMENT_MANAGER)
@Provides
static FragmentManager activityFragmentManager(BaseActivity activity) {
return activity.getSupportFragmentManager();
}
个BaseAcitivity.class
public abstract class BaseActivity extends DaggerAppCompatActivity {
@Named(ACTIVITY_FRAGMENT_MANAGER)
@Inject
FragmentManager fragmentManager;
}
所以即使我提供的BaseActivityModule.class匕首我的片段经理抛出此以下错误。我甚至用Activity而不是BaseActivity作为BaseActivityModule中的输入参数。即使这样,我也会在这个问题上出现。不知道我究竟在搞什么。所以,任何帮助表示赞赏。在此先感谢:)
Error:(17, 8) error: [dagger.android.AndroidInjector.inject(T)] @javax.inject.Named("ACTIVITY_FRAGMENT_MANAGER") android.support.v4.app.FragmentManager cannot be provided without an @Provides- or @Produces-annotated method.
@javax.inject.Named("ACTIVITY_FRAGMENT_MANAGER") android.support.v4.app.FragmentManager is injected at
com.abc.views.base.BaseActivity.fragmentManager
com.abc.views.def.ABCActivity is injected at
dagger.android.AndroidInjector.inject(arg0)
A binding with matching key exists in component: om.abc.views.base.BaseActivity_BaseActivity.BaseActivitySubcomponent
如何/你在注射?我猜你正在使用其他活动,而不是单个BaseActivity。您必须从其组件中提供依赖关系,BaseActivity会被忽略 –