[英]Dagger 2 - Why is this a dependency cycle?
I'm trying to inject the application's Context
into 2 other objects, an AuthManager
and an ApiClient
. 我正在尝试将应用程序的Context
注入其他两个对象,即AuthManager
和ApiClient
。
Both of them depends on said context, and the ApiClient
depends on the AuthManager
. 它们都取决于所述上下文, ApiClient
依赖于AuthManager
。 Why is this a dependency cycle, if Context
doesn't have a reference to the others 2? 为什么这是一个依赖循环,如果Context
没有引用其他2? can this be solved? 这可以解决吗?
EDIT: here is some code 编辑:这是一些代码
@Module
public class AppModule {
private final Application application;
public AppModule(Application application) {
this.application = application;
}
@Provides @Singleton
Context provideApplicationContext() {
return this.application;
}
}
@Module
public class NetworkModule {
@Provides @Singleton
public AuthManager providesAuthManager(AuthManager manager) {
return manager;
}
@Provides @Singleton
public ApiClient providesApiClient(ApiClientFactory factory) {
return factory.create();
}
}
@Singleton
@Component(modules = {AppModule.class, NetworkModule.class})
public interface ApplicationComponent {
void inject(BaseActivity activity);
// Exported for child-components
Context context();
ApiClient apiClient();
AuthManager authManager();
}
@Provides @Singleton
public AuthManager providesAuthManager(AuthManager manager) {
return manager;
}
Your providesAuthManager
method which provides an AuthManager
depends on an AuthManager
. providesAuthManager
AuthManager
方法取决于AuthManager
。
There's your cycle :) 这是你的周期:)
取出providesAuthManager
方法并添加@Inject
在AuthManager构造函数。
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