retrofit请求直接返回string

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1.添加gradle依赖：
compile com.squareup.retrofit2:converter-scalars:2.0.0'
2.更换转换器
mRetrofit = Retrofit.Builder()
.baseUrl(HttpAddress.SITE)
.addConverterFactory(ScalarsConverterFactory.create())
.build();
3.定义返回类型为string
new Callback<String>() {
@Override
public void onResponse(Call<String> call, retrofit2.Response<String> response) {
Log.d("debug", response.body());
}
@Override
public void onFailure(Call<String> call, Throwable t) {
}

}
注意或者不加转换器但是Call<ResponseBody>类型必须是ResponseBody

 Retrofit retrofit = new Retrofit.Builder()                .baseUrl(HttpMethods.BASE_URL)//                .addConverterFactory(ScalarsConverterFactory.create())                .build();        MovieService service = retrofit.create(MovieService.class);        Call<ResponseBody> call = service.getTopMovie2(0, 20);        call.enqueue(new Callback<ResponseBody>() {            @Override            public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {                if (response.isSuccess()) {                    Log.i(TAG, "response.isSuccess()");                    try {                        Log.i(TAG, "onResponse: " + response.body().string());                    } catch (IOException e) {                        e.printStackTrace();                    }                }            }            @Override            public void onFailure(Call<ResponseBody> call, Throwable t) {                Log.i(TAG, "onFailure: " + t.getMessage());            }        });    }

public interface MovieService {    @GET("top250")    rx.Observable<HttpResult<List<Subject>>> getTopMovie(@Query("start") int start, @Query("count") int count);    @GET("top250")    Call<ResponseBody> getTopMovie2(@Query("start") int start, @Query("count") int count);}

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