如何使用Retrofit库处理onResponse方法？

我正在使用retrofit library.I创建了一个类，其中我从其他类中获取特定ID的值，并且我想获取该ID的特定列表，但在onResponse()方法中出现错误。我检查了JSON格式的邮差列表正在提取......但不在这里！如何使用Retrofit库处理onResponse方法？

public class Main2Activity extends AppCompatActivity implements Callback<MailChimpEmailResponse> { 

    public String idReceived; 
    List<MailChimpEmailResponseSecond> emailList = new ArrayList<>(); 
    private RecyclerView recyclerViewSecond; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main2); 

     Call<MailChimpEmailResponse> call = MailChimpAPIClient.getClient().fetchMembers(idReceived,"efb918ee88a3a8a77-us15"); 
     call.enqueue(this); 

    } 
    @Override 
    public void onResponse(Call<MailChimpEmailResponse> call, Response<MailChimpEmailResponse> response) { 
    Log.d("ashu", "null response"); 
     Intent intent = getIntent(); 
     idReceived = intent.getStringExtra("id_value"); 
     Log.d("ashu", "id received is: " + idReceived); 

     MailChimpEmailResponse listResponse = response.body(); 

     for (MailChimpEmailResponseSecond list : listResponse.emailLists) { 

      Log.d("ashu", list.getEmailListName()); 
      this.emailList = listResponse.emailLists; 

     } 

     recyclerViewSecond = (RecyclerView) findViewById(R.id.my_recycler_view_second); 
     LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this); 
     recyclerViewSecond.setLayoutManager(linearLayoutManager); 
     EmailAdapter adapter = new EmailAdapter(this.emailList); 
     recyclerViewSecond.setAdapter(adapter); 
     adapter.notifyDataSetChanged(); 

    } 

    @Override 
    public void onFailure(Call<MailChimpEmailResponse> call, Throwable t) { 

    } 
}

我的API类：

public interface MailChimpApi { 


    @GET("lists") 
    public Call<MailChimpListResponse> fetchLists(@Query("apikey") String apikey, @Query("offset") int offset, @Query("count") int count); 


    @GET("lists/{list_id}/members") 
    public Call<MailChimpEmailResponse> fetchMembers(@Path("list_id") String listId,@Query("apikey") String apikey); 
}

的json：

{ 
    "members": [ 
    { 
     "id": "04d80020e78edd86a79eda", 
     "email_address": "[email protected]", 
     "unique_email_id": "784c772918", 
     "email_type": "html", 
     "status": "subscribed", 
     "merge_fields": { 
     "FNAME": "Ashsdjssh", 
     "LNAME": "kudjskjar" 
     },

来源

2017-03-03 Avada Kedavra

我相信下面的行应该在onCreate方法，而不是onResponse，

idReceived = intent.getStringExtra("id_value");

来源

2017-03-05 23:33:54 sadat

如何使用Retrofit库处理onResponse方法？

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