Java 如何在android studio中使用改型?我的问题是什么?
我在“TestService.java”中创建了这样的接口 在“MainActivity.java”中Java 如何在android studio中使用改型?我的问题是什么?,java,android-studio,retrofit,retrofit2,Java,Android Studio,Retrofit,Retrofit2,我在“TestService.java”中创建了这样的接口 在“MainActivity.java”中 public类MainActivity扩展了AppCompatActivity{ @凌驾 创建时受保护的void(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Refundation RefundationClient=Refunda
public类MainActivity扩展了AppCompatActivity{
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Refundation RefundationClient=RefundationClient.getInstance();
TestService TestService=create(TestService.class);
调用repos=testService.getTest();//问题
}
}
我是android java的第一个,我不知道如何使用改型。。
问题是什么?如何打印响应?(我还需要头信息)您需要在主线程上异步调用它
Call<ResponseBody> repos = testService.getTest();
repos.enqueue(new Callback<ResponseBody>() {
@Override
public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
//response
}
@Override
public void onFailure(Call<ResponseBody> call, Throwable t) {
//error
}
});
调用repos=testService.getTest();
repos.enqueue(新回调(){
@凌驾
公共void onResponse(调用、响应){
//回应
}
@凌驾
失败时公共无效(调用调用,可丢弃的t){
//错误
}
});
网上有很多资源,要了解更多,你可以浏览以下文章
但是如何打印标题信息?
response.getHeaders()
public class RetrofitClient {
private static Retrofit instance;
public static Retrofit getInstance() {
if(instance == null)
instance = new Retrofit.Builder()
.baseUrl("https://reqres.in/")
.build();
return instance;
}
}
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Retrofit retrofitClient = RetrofitClient.getInstance();
TestService testService = retrofitClient.create(TestService.class);
Call<String> repos = testService.getTest(); //problem
}
}
Call<ResponseBody> repos = testService.getTest();
repos.enqueue(new Callback<ResponseBody>() {
@Override
public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
//response
}
@Override
public void onFailure(Call<ResponseBody> call, Throwable t) {
//error
}
});