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android - Dagger 2模块中为OkHttpClient提供HttpLoggingInterceptor实例的两个问题

转载 作者:行者123 更新时间:2023-12-01 04:24:25 25 4
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我正在使用 Kotlin 和 Dagger 2 开发一个 Android 项目。我有一个 NetworkModule它应该提供 Retrofit 的单例实例。我在其中定义了所有这些提供程序功能。

下面的所有代码 fragment 都在 NetworkModule 内:

@Module
object NetworkModule {
...
}

我的第一个问题:

我想提供 HttpLoggingInterceptor 的单例对于 OkHttpClient .这是我尝试过的:
@Provides
internal fun provideLoggingInterceptor(): Interceptor {
// compiler error: Unresolved reference 'setLevel', unresolved reference 'Level'
return HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BODY)
}

但我得到一个编译错误: Unresolved reference 'setLevel'Unresolved reference 'Level' ,如何摆脱它?

我的第二个问题:

我将 OkHttpClient 提供程序函数定义为:
@Provides
internal fun provideOkHttpClient(loggingInterceptor: Interceptor): OkHttpClient {
return OkHttpClient.Builder()
.addInterceptor(loggingInterceptor)
...
.build()
}

我怎样才能做到只有 addInterceptor(loggingInterceptor)在 Debug模式下,而在 Release模式下不添加 HttpLoggingInterceptor在上述提供者功能中?

最佳答案

对于你的第一个问题,你确定你有正确的依赖关系吗?

或者既然你在 Kotlin,试试这样:

@JvmStatic
@Provides
@Singleton
fun provideLoggingInterceptor(): HttpLoggingInterceptor {
val httpLoggingInterceptor = HttpLoggingInterceptor()
httpLoggingInterceptor.level = HttpLoggingInterceptor.Level.BODY
return httpLoggingInterceptor
}

对于你的第二个问题:

How can I make it so that only addInterceptor(loggingInterceptor) when it is in the debug model, whereas in release mode not add the HttpLoggingInterceptor in the above provider function?


@Provides
@JvmStatic
@Singleton
fun provideOkHttpClient(interceptor: Interceptor): OkHttpClient{
val okhttpBuilder = OkHttpClient.Builder() //and every other method after it except build() would return a Builder (Builder pattern)
if(BuildConfig.DEBUG){
okHttpBuilder.addInterceptor(interceptor)
}
return okHttpBuilder.build()
}

注意 @JvmStatic@Singleton注释,因为您使用的是单例。一个用于 JVM,另一个用于范围。

关于android - Dagger 2模块中为OkHttpClient提供HttpLoggingInterceptor实例的两个问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59482026/

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