我需要从ApplicationModule
暴露我的OkHttpClient
,因此我添加到了ApplicationComponent
中。类似这样:
@Module
public class ApplicationModule {
@Provides @Singleton
public OkHttpClient provideOkHttpClient() {
final OkHttpClient.Builder client = new OkHttpClient.Builder();
return client.build();
}
@Singleton
@Component( modules = {ApplicationModule.class} )
public interface ApplicationComponent {
OkHttpClient okHttpClient();
}
所以,正如您在上面看到的那样,我在ApplicationComponent
中添加了OkHttpClient okHttpClient();
。
现在在我的NetworkModule
中,我将其用法如下:
@Module
public class NetworkModule {
@Provides @ActivityScope
public ProjectService provideProjectService(OkHttpClient client) {
return new ProjectService(client);
}
@Component( dependencies = {ApplicationComponent.class}, modules = {NetworkModule.class} )
@ActivityScope
public interface NetworkComponent {
void inject(@NonNull MyActivity myActivity);
}
但现在当我遇到运行时错误时:
Caused by: java.lang.IllegalStateException: css.test.demo.ApplicationComponent must be set
at css.test.demo.main.projects.network.DaggerNetworkComponent$Builder.build(DaggerNetworkComponent.java:102)
at css.test.demo.main.projects.MyActivity.onCreate(MyActivity.java:159)
at android.app.Activity.performCreate(Activity.java:6237)
以下是我在MyActivity中构建它的方法:
NetworkComponent = DaggerNetworkComponent.builder()
.NetworkModule(new NetworkModule(this))
.build();
NetworkComponent.inject(this);