網路許可權      
使用的接空是斜線引數介面


compile 'io.reactivex.rxjava2:rxjava:2.0.1'
compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
compile 'com.squareup.retrofit2:retrofit:2.4.0'
compile 'com.squareup.retrofit2:converter-gson:2.3.0'
compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
compile 'com.squareup.okhttp3:logging-interceptor:3.5.0'
 

service////////////////////////////////////////////////////////////////////////////////////////////////////////////

package com.example.retrofit2rxjava2last;

import io.reactivex.Flowable;
import retrofit2.http.GET;
import retrofit2.http.Path;

/**
 * Created by Administrator on 2018/5/19 0019.
 */
public interface ApiService {
    @GET("{type}/20/{page}")
    Flowable<AllBean>  getall(@Path("type") String type, @Path
 
("page") String page);

}

RetrofitUtils ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

package com.example.retrofit2rxjava2last;

import okhttp3.OkHttpClient;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 
 * Created by Administrator on 2018/5/19 0019.
 */
public class RetrofitUtils {

    private static volatile RetrofitUtils instance;
    public static RetrofitUtils  getInstance(){
        if(instance==null){
            synchronized (RetrofitUtils.class){
                if(instance==null){
                    instance=new RetrofitUtils();
                }
            }
        }

        return instance;
    }

    public Retrofit getNews(){
        //  http://gank.io/api/data/%E7%A6%8F%E5%88%A9/10/1
String baseurl="http://gank.io/api/data/";
        //日誌攔截器
HttpLoggingInterceptor interceptor=new HttpLoggingInterceptor();
        interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);

        OkHttpClient okHttpClient=new OkHttpClient.Builder()
                .addInterceptor(interceptor)
                .build();
        Retrofit retrofit=new Retrofit.Builder()
                .baseUrl(baseurl)
                .client(okHttpClient)
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .addConverterFactory(GsonConverterFactory.create())
                .build();

        return  retrofit;
    }
}

使用//////////////////////////////////////////////////////////////////////////////////////////////

RetrofitUtils retrofitUtils=new RetrofitUtils();

      retrofitUtils=RetrofitUtils.getInstance();
      retrofitUtils.getNews()
              .create(ApiService.class)
              .getall("all","1")
              .subscribeOn(Schedulers.io())
              .observeOn(AndroidSchedulers.mainThread())
              .subscribe(new DisposableSubscriber<AllBean>() {
                  @Override
public void onNext(AllBean bean) {
                      Log.d("yyy",bean.getResults().size()+"");

                /*      adapter = new RecyclerViewAdapterall(context, title);
                      mAdapter = new RecyclerAdapterWithHF(adapter);
                      mRecyclerView.setAdapter(mAdapter);*/
}
                  @Override
public void onError(Throwable t) {
                  }
                  @Override
public void onComplete() {
                      Log.d("yyy","onComplete");
                  }
              });