Question

我正在尝试制作一个非常基本的Retrofit / RxJava设置。所以我正在尝试使用此API：http://jsonplaceholder.typicode.com/posts

我的基本设置如下;

我的改装服务：

public interface SimpleTestService {
    String endpoint = "jsonplaceholder.typicode.com";

    @GET("/posts")
    Observable<Post> getPosts();
}

创建服务：

public class TestAdapter {
   public static SimpleTestService createService() {
       Retrofit retrofit = new Retrofit.Builder()
               .baseUrl("http://wwww.jsonplaceholder.typicode.com")
               .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
               .addConverterFactory(GsonConverterFactory.create())
               .build();

       SimpleTestService service = retrofit.create(SimpleTestService.class);
       return service;
   }
}

拨打电话：

SimpleTestService testService = TestAdapter.createService();
    testService.getPosts()
            .subscribeOn(Schedulers.newThread())
            .observeOn(AndroidSchedulers.mainThread())
            .subscribe(new Subscriber<Post>() {
                @Override
                public void onCompleted() {

                }

                @Override
                public void onError(Throwable e) {

                }

                @Override
                public void onNext(Post post) {
                    String text = testText.getText().toString();
                    text += post.getBody();
                    testText.setText(text);
                }
            });

当我尝试这样做时，我得到了例外：

java.lang.IllegalArgumentException: Unable to create call adapter for rx.Observable<Post>

这对我来说很奇怪，因为我明确添加了RX调用适配器。我还在build.gradle

中包含了所有这些内容

任何提示？

谢谢！

Answer 1

将SimpleTask服务更改为此

public interface SimpleTestService {
String endpoint = "http://jsonplaceholder.typicode.com";

@GET("/posts")
Observable<List<Post>> getPosts();
}

通过更改基本网址

创建服务

    public class TestAdapter {
       public static SimpleTestService createService() {
           Retrofit retrofit = new Retrofit.Builder()
                   .baseUrl(SimpleTestService .endpoint)
                   .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
                   .addConverterFactory(GsonConverterFactory.create())
                   .build();

           SimpleTestService service = retrofit.create(SimpleTestService.class);
           return service;
       }
    }

您的电话就像是

SimpleTestService testService = TestAdapter.createService();
testService .getPosts().subscribeOn(Schedulers.io())
        .observeOn(AndroidSchedulers.mainThread())
        .flatMap(new Func1<List<Post>, Observable<Post>>() {
            @Override
            public Observable<Post> call(List<Post> posts) {
                return Observable.from(posts);
            }
        })
        .subscribe(new Observer<Post>() {
            @Override
            public void onCompleted() {

            }

            @Override
            public void onError(Throwable e) {

            }

            @Override
            public void onNext(Post post) {
                String text = testText.getText().toString();
                text += post.getBody();
                testText.setText(text);
            }
        });

无法创建调用适配器rx.Observable <pojo>

1 个答案: