Okhttp Authenticator multithreading

Question

I am using OkHttp in my android application with several async requests. All requests require a token to be sent with the header. Sometimes I need to refresh th

Answer 1

Add synchronized to authenticate() method signature.

And make sure getToken() method is blocking.

@Nullable
@Override
public synchronized Request authenticate(Route route, Response response) {

    String newAccessToken = getToken();

    return response.request().newBuilder()
            .header("Authorization", "Bearer " + newAccessToken)
            .build();
}