Android

Advanced Android Networking

OkHttp Interceptors, Authentication, Cache, Certificate Pinning, WebSocket, GraphQL with Apollo Client

13 preguntas de entrevista·
Mid-Level
1

What is an Interceptor in OkHttp?

Respuesta

An Interceptor is a powerful OkHttp mechanism that allows intercepting, observing and modifying HTTP requests and responses. It executes between the application and the network, allowing adding headers, logging, handling authentication, etc.

2

How do you add an Interceptor to an OkHttpClient?

Respuesta

Use the OkHttpClient builder with the addInterceptor() method for application interceptors or addNetworkInterceptor() for network interceptors. Interceptors are executed in the order they are added.

3

What is a Logging Interceptor used for?

Respuesta

The Logging Interceptor (HttpLoggingInterceptor) allows logging all HTTP requests and responses for debugging. You can configure the log level: NONE, BASIC (request line), HEADERS (with headers), BODY (with full body).

4

How do you create an Authentication Interceptor to add a Bearer token?

5

How do you add a custom header to all requests with an Interceptor?

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