java Dagger 2和改型2更改基本URL
在我的例子中,我需要动态更改URL,但我不想创建两个翻新客户端实例。我试图通过修改拦截器来更改基本URL,但改型仍然使用旧的值。我做错了什么
应用程序。java
public class App extends Application {
private static AppComponent appComponent;
@Override
public void onCreate() {
super.onCreate();
appComponent =
DaggerAppComponent
.builder()
.appModule(new AppModule(this))
.build();
}
@NonNull
public static App get(@NonNull Context context) {
return (App) context.getApplicationContext();
}
public static AppComponent getAppComponent() {
return appComponent;
}
}
AppModule。java
@Module
public class AppModule {
private Context context;
public AppModule(Context context) {
this.context = context;
}
@Provides
@Singleton
Context provideContext() {
return context;
}
}
NetModule。java
@Module
public class NetModule {
@Provides
@Singleton
Gson provideGson() {
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);
return gsonBuilder.create();
}
@Provides
@Singleton
MainInterceptor provideMyApiInterceptor() {
return MainInterceptor.get();
}
@Provides
@Singleton
OkHttpClient provideOkhttpClient() {
OkHttpClient.Builder client = new OkHttpClient.Builder();
client.readTimeout(15, TimeUnit.SECONDS);
client.connectTimeout(20, TimeUnit.SECONDS);
return client.build();
}
@Provides
@Singleton
Retrofit provideRetrofit(Gson gson, OkHttpClient okHttpClient) {
return new Retrofit.Builder()
.addConverterFactory(GsonConverterFactory.create(gson))
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.baseUrl("first.url.com")
.client(okHttpClient)
.build();
}
}
NetComponent。java
@Singleton
@Component(modules = NetModule.class)
public interface NetComponent {
Retrofit getRetrofit();
MainInterceptor getInterceptor();
}
主拦截器。班级
public class MainInterceptor implements Interceptor {
private static MainInterceptor sInterceptor;
private String mScheme;
private String mHost;
public static MainInterceptor get() {
if (sInterceptor == null) {
sInterceptor = new MainInterceptor();
}
return sInterceptor;
}
private MainInterceptor() {
}
public void setInterceptor(String url) {
HttpUrl httpUrl = HttpUrl.parse(url);
mScheme = httpUrl.scheme();
mHost = httpUrl.host();
}
@Override
public Response intercept(Chain chain) throws IOException {
Request original = chain.request();
if (mScheme != null && mHost != null) {
HttpUrl newUrl = original.url().newBuilder()
.scheme(mScheme)
.host(mHost)
.build();
original = original.newBuilder()
.url(newUrl)
.build();
}
return chain.proceed(original);
}
}
这是在某个类中初始化组件的代码
NetComponent component= DaggerNetComponent.create();
DataService service = component.getRetrofit().create(DataService.class);
MainInterceptor interceptor = component.getInterceptor();
interceptor.setInterceptor("second.url.com");
service.getSomeData();
之后,URL仍然是“first.URL.com”
共 (0) 个答案