我最近在我的项目中使用了带有Dagger 2的 need,我有一个问题:我想用匕首提供一个动态字符串,而我不知道如何做到这一点;我从服务器接收到一个令牌,并需要将它作为字段传递给和的实例--我应该怎么做呢?
我试图将这个字符串传递给,但是我认为这不是真的!我想也许应该用@BindsInstance !!(请帮助;)
这是我的AppModule:
@Module(subcomponents = {MainActivityComponent.class})
public class AppModule {
private String cookie ;
public AppModule(String Cookie){
this.cookie = Cookie;
}
@Singleton
@Provides
Context provideContext(Application application) {
return application;
}
@Singleton
@Provides
OkHttp3CookieHelper provideCookie(@Named("baseURL") String baseURL,
@Named("csrfToken") String csrfToken) {
OkHttp3CookieHelper cookieHelper = new OkHttp3CookieHelper();
cookieHelper.setCookie(baseURL, csrfToken, cookie);
return cookieHelper;
}
@Singleton
@Provides
OkHttpClient.Builder provideOkHttp(HttpLoggingInterceptor interceptor,
OkHttp3CookieHelper cookieHelper) {
final OkHttpClient.Builder httpClient = new OkHttpClient.Builder();
httpClient.connectTimeout(8, TimeUnit.SECONDS);
httpClient.readTimeout(8, TimeUnit.SECONDS);
httpClient.callTimeout(8, TimeUnit.SECONDS);
httpClient.cookieJar(cookieHelper.cookieJar());
httpClient.addInterceptor(interceptor);
return httpClient;
}
@Singleton
@Provides
HttpLoggingInterceptor provideHttpInterceptor() {
final HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
return interceptor;
}
@Singleton
@Provides
GsonConverterFactory provideGsonConverterFactory() {
return GsonConverterFactory.create();
}
@Singleton
@Provides
@Named("baseURL")
String provideBaseURL() {
return Const.BASE_URL;
}
@Singleton
@Provides
@Named("csrfToken")
String provideCrfToken() {
return Const.CRF_TOKEN;
}
@Singleton
@Provides
Api provideApi(Retrofit retrofit) {
return retrofit.create(Api.class);
}
@Singleton
@Provides
Retrofit provideRetrofit(GsonConverterFactory converterFactory, OkHttpClient.Builder httpClient,
@Named("baseURL") String baseURL) {
return new Retrofit.Builder().baseUrl(baseURL)
.addConverterFactory(converterFactory)
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.client(httpClient.build())
.build();
}
@Singleton
@Provides
SharedPreferences provideSharedPreference(Context context) {
return context.getSharedPreferences("myShp", Context.MODE_PRIVATE);
}
//and this is my AppComponent :
@Singleton
@Component(modules = {AndroidInjectionModule.class, ActivityBuilder.class, AppModule.class,
ViewModelFactoryModule.class})
public interface AppComponent {
@Component.Builder
interface Builder {
@BindsInstance
Builder application(Application application);
AppComponent build();
}
void inject(App app);
}发布于 2020-03-02 23:12:22
最后,经过大约10个小时的搜索和阅读,我解决了我的问题:d
注意!
不需要自己传递响应令牌,也不需要将依赖项(在本例中是响应令牌)绑定到AppComponent中,但如果要这样做,可以使用@Component.Builder或@Component.Factory,可以使用以下有用的文章:Dagger2:@Component.Factory和@SubComponent.Factory
但要解决问题:
首先,应该将此依赖项添加到app.gradle文件中:
implementation 'com.github.franmontiel:PersistentCookieJar:v1.0.1'然后在PersistentCookieJar类中提供appMoule实例,并传递给我们的OkHttpClient实例:
@Singleton
@Provides
PersistentCookieJar ProvideCookieJar(Context context) {
return new PersistentCookieJar(new SetCookieCache(),
new SharedPrefsCookiePersistor(context));
}
@Singleton
@Provides
OkHttpClient.Builder provideOkHttp(HttpLoggingInterceptor interceptor,
PersistentCookieJar persistentCookieJar) {
final OkHttpClient.Builder httpClient = new OkHttpClient.Builder();
httpClient.connectTimeout(8, TimeUnit.SECONDS);
httpClient.readTimeout(8, TimeUnit.SECONDS);
httpClient.callTimeout(8, TimeUnit.SECONDS);
httpClient.cookieJar(persistentCookieJar);
httpClient.addInterceptor(interceptor);
return httpClient;
}不要忘记提供需要创建PersistentCookieJar实例的上下文:
@Provides
@Singleton
Context provideContext(Application application) {
return application;
}在应用程序类中,应该绑定应用程序类:
DaggerAppComponent.builder()
.application(this)
.build()
.inject(this);你的AppComponent应该是这样的:
@Singleton
@Component(modules = {AndroidInjectionModule.class, ActivityBuilder.class,
AppModule.class, ViewModelFactoryModule.class})
public interface AppComponent {
@Component.Builder
interface Builder {
@BindsInstance
Builder application(Application application);
AppComponent build();
}
void inject(App app);
}好的,每件事都做好了!现在,您的请求包含cookie,并且可以成功地获得服务器响应:)
https://stackoverflow.com/questions/60478205
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