列表订单，实现下拉刷新和上拉加载更多，分页功能+mvp+retrofit+rxjava2

依赖：

compile 'com.squareup.okhttp3:okhttp:3.10.0'
compile 'com.android.support:recyclerview-v7:26.1.0'
//黄油刀
compile 'com.jakewharton:butterknife:8.8.1'
annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
//图片加载框架
compile 'com.facebook.fresco:fresco:0.12.0'
//访问网络
implementation 'com.squareup.retrofit2:retrofit:2.4.0'
compile 'com.squareup.retrofit2:converter-gson:2.4.0'
//compile 'com.squareup.retrofit2:adapter-rxjava:2.0.2'
compile 'com.jakewharton.retrofit:retrofit2-rxjava2-adapter:1.0.0'
//RxJava
implementation 'io.reactivex.rxjava2:rxandroid:2.0.2'
implementation 'io.reactivex.rxjava2:rxjava:2.1.12'

compile 'com.github.userswlwork:pull-to-refresh:1.0.0'
compile 'com.jcodecraeer:xrecyclerview:1.3.2'
compile 'org.greenrobot:greendao:3.2.2'
implementation 'com.squareup.okhttp3:logging-interceptor:3.10.0'

compile 'com.github.bumptech.glide:glide:3.7.0'
//Eventbus
compile 'org.greenrobot:eventbus:3.0.0'
compile 'com.youth.banner:banner:1.4.10'  //最新版本

compile 'com.scwang.smartrefresh:SmartRefreshLayout:1.1.0-alpha-5'
compile 'com.scwang.smartrefresh:SmartRefreshHeader:1.1.0-alpha-5'//没有使用特殊Header，可以不加这行
compile 'com.android.support:appcompat-v7:26.1.0'//版本 23以上（必须）

权限

android:name="android.permission.INTERNET"/>
    android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>

utils

package com.example.slx.songliangxing428_orders.utils;

import com.example.slx.songliangxing428_orders.http.ApiService;
import com.example.slx.songliangxing428_orders.http.ServiceUrl;
import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;

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

/**
 * Created by lenovo on 2018/4/28.
 */

public class HttpNetUtils {
    private static volatile HttpNetUtils instance;
    private final Retrofit retrofit;

    public static HttpNetUtils getInstance(){
        if(instance == null){

            synchronized (HttpNetUtils.class){
                if(null==instance){
                    instance=new HttpNetUtils();
                }
            }
        }
        return instance;
    }



    private HttpNetUtils(){


        HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
        interceptor.setLevel(HttpLoggingInterceptor.Level.BASIC);
        OkHttpClient client = new OkHttpClient.Builder()
                .addInterceptor(interceptor)
                .build();

        retrofit = new Retrofit.Builder()
                .baseUrl(ServiceUrl.BASE_URL)
                .client(client)
                .addConverterFactory(GsonConverterFactory.create())
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .build();
    }
    //retrofit自定义的接口
    public ApiService getService(){
        return retrofit.create(ApiService.class);
    }
}

http

package com.example.slx.songliangxing428_orders.http;


import com.example.slx.songliangxing428_orders.bean.DataBean;
import com.example.slx.songliangxing428_orders.bean.MessageBean;

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

/**
 * fetrofit的借口定义
 * Created by lenovo on 2018/4/20.
 */

public interface ApiService {
    /**
     * 请求
     *
     * @return
     */
    @GET("getOrders")
    Flowable> getJavaData(@Query("uid") String uid,@Query("page")String page);



}

package com.example.slx.songliangxing428_orders.http;

/**
 * Created by lenovo on 2018/4/20.
 */

public class ServiceUrl {
    public static final String BASE_URL = "https://www.zhaoapi.cn/product/";

}

bean

public class MessageBean<T> {
    private String msg;
    private String code;
    private List<T> data;
    private String page;

public class DataBean {
    private String createtime;
    private String price;
    private String title;
    private int status;

inter

package com.example.slx.songliangxing428_orders.inter;

import com.example.slx.songliangxing428_orders.bean.DataBean;
import com.example.slx.songliangxing428_orders.bean.MessageBean;

/**
 * Created by lenovo on 2018/4/28.
 */

public interface IPresenter<T> {

    void success(T t);
    void error(Throwable t);

}

package com.example.slx.songliangxing428_orders.inter;

import com.example.slx.songliangxing428_orders.bean.DataBean;
import com.example.slx.songliangxing428_orders.bean.MessageBean;

/**
 * Created by lenovo on 2018/4/28.
 */

public interface IView<T> {
    void success(T t);
    void error(Throwable t);
}

v

package com.example.slx.songliangxing428_orders;

import android.os.Bundle;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;

import com.example.slx.songliangxing428_orders.adapter.MyAdapter;
import com.example.slx.songliangxing428_orders.bean.DataBean;
import com.example.slx.songliangxing428_orders.bean.MessageBean;
import com.example.slx.songliangxing428_orders.inter.IPresenter;
import com.example.slx.songliangxing428_orders.inter.IView;
import com.example.slx.songliangxing428_orders.presenter.MyPresenter;
import com.scwang.smartrefresh.layout.SmartRefreshLayout;
import com.scwang.smartrefresh.layout.api.RefreshLayout;
import com.scwang.smartrefresh.layout.constant.SpinnerStyle;
import com.scwang.smartrefresh.layout.footer.BallPulseFooter;
import com.scwang.smartrefresh.layout.header.BezierRadarHeader;
import com.scwang.smartrefresh.layout.listener.OnLoadMoreListener;
import com.scwang.smartrefresh.layout.listener.OnRefreshListener;

import java.util.ArrayList;
import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;

public class MainActivity extends AppCompatActivity implements IView> {

    @BindView(R.id.rv)
    RecyclerView rv;
    @BindView(R.id.refreshLayout)
    SmartRefreshLayout refreshLayout;
    private MyAdapter adapter;
    private List list;
    private MyPresenter myPresenter;
    private String page="1";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);
        refreshLayout.setOnRefreshListener(new OnRefreshListener() {
            @Override
            public void onRefresh(RefreshLayout refreshlayout) {
                refreshlayout.finishRefresh(2000/*,false*/);//传入false表示刷新失败
                list.clear();
                page = "1";
                myPresenter.toNetWork("71",page);
            }
        });
        refreshLayout.setOnLoadMoreListener(new OnLoadMoreListener() {
            @Override
            public void onLoadMore(RefreshLayout refreshlayout) {
                refreshlayout.finishLoadMore(2000/*,false*/);//传入false表示加载失败
                int i = Integer.parseInt(page);
                i++;
                String page = String.valueOf(i);
                myPresenter.toNetWork("71",page);
            }
        });
        //设置 Header 为 贝塞尔雷达 样式
        refreshLayout.setRefreshHeader(new BezierRadarHeader(this).setEnableHorizontalDrag(true));
        //设置 Footer 为 球脉冲 样式
        refreshLayout.setRefreshFooter(new BallPulseFooter(this).setSpinnerStyle(SpinnerStyle.Scale));

        rv.setLayoutManager(new LinearLayoutManager(this));
        //创建p层对象
        myPresenter = new MyPresenter(this);
        myPresenter.toNetWork("71",page);

        list = new ArrayList<>();
        adapter = new MyAdapter(MainActivity.this, list);
        rv.setAdapter(adapter);
    }


    @Override
    public void success(MessageBean dataBeanMessageBean) {
        list.addAll(dataBeanMessageBean.getData());
        adapter.notifyDataSetChanged();
    }

    @Override
    public void error(Throwable t) {

    }
}

p

package com.example.slx.songliangxing428_orders.presenter;

import com.example.slx.songliangxing428_orders.bean.DataBean;
import com.example.slx.songliangxing428_orders.bean.MessageBean;
import com.example.slx.songliangxing428_orders.inter.IPresenter;
import com.example.slx.songliangxing428_orders.inter.IView;
import com.example.slx.songliangxing428_orders.model.MyModel;

/**
 * Created by lenovo on 2018/4/28.
 */

public class MyPresenter implements IPresenter>{

    private final MyModel myModel;
    private IView iView;
    public MyPresenter(IView iView){
        this.iView=iView;
        myModel = new MyModel();
    }

    public void toNetWork(String uid,String page) {
        myModel.getData(uid,page,this);
    }


    @Override
    public void success(MessageBean dataBeanMessageBean) {
        iView.success(dataBeanMessageBean);
    }

    @Override
    public void error(Throwable t) {

    }
}

m

package com.example.slx.songliangxing428_orders.model;

import com.example.slx.songliangxing428_orders.bean.DataBean;
import com.example.slx.songliangxing428_orders.bean.MessageBean;
import com.example.slx.songliangxing428_orders.http.ApiService;
import com.example.slx.songliangxing428_orders.inter.IPresenter;
import com.example.slx.songliangxing428_orders.utils.HttpNetUtils;

import io.reactivex.Flowable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;
import io.reactivex.subscribers.DisposableSubscriber;


/**
 * Created by lenovo on 2018/4/28.
 */

public class MyModel{

    public void getData(String uid,String page, final IPresenter iPresenter) {
        HttpNetUtils instance = HttpNetUtils.getInstance();
        ApiService service = instance.getService();
        Flowable> javaData = service.getJavaData(uid,page);
        javaData.subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new DisposableSubscriber>() {
                    @Override
                    public void onNext(MessageBean dataBeanMessageBean) {
                        iPresenter.success(dataBeanMessageBean);
                    }

                    @Override
                    public void onError(Throwable t) {

                    }

                    @Override
                    public void onComplete() {

                    }
                });
    }
}

适配器

package com.example.slx.songliangxing428_orders.adapter;

import android.content.Context;
import android.graphics.Color;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.example.slx.songliangxing428_orders.MainActivity;
import com.example.slx.songliangxing428_orders.R;
import com.example.slx.songliangxing428_orders.bean.DataBean;

import java.util.List;

/**
 * Created by lenovo on 2018/4/28.
 */

public class MyAdapter extends RecyclerView.Adapter{
    private Context context;
    private List list;

    public MyAdapter(Context context, List list) {
        this.context = context;
        this.list = list;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = View.inflate(parent.getContext(), R.layout.itemlayout, null);
        //创建ViewHolder  把view通过构造方法传过去
        MyViewHolder myViewHolder = new MyViewHolder(view);

        return myViewHolder;
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        final MyViewHolder myViewHolder = (MyViewHolder) holder;
        myViewHolder.textTitle.setText(list.get(position).getTitle());
        myViewHolder.textPrice.setText("价格:"+list.get(position).getPrice());
        myViewHolder.textTime.setText(list.get(position).getCreatetime());
        if(list.get(position).getStatus() == 0){
            myViewHolder.textStatus.setText("待支付");
            myViewHolder.textStatus.setTextColor(Color.RED);
            myViewHolder.but.setText("取消订单");
        }else if(list.get(position).getStatus() == 1){
            myViewHolder.textStatus.setText("已支付");
            myViewHolder.but.setText("查看订单");
        }else {
            myViewHolder.textStatus.setText("已取消");
            myViewHolder.but.setText("查看订单");
        }


    }

    @Override
    public int getItemCount() {
        return list.size();
    }
    //内部类创建V，在此方法中，寻找控件
    class MyViewHolder extends RecyclerView.ViewHolder{
        private  TextView textTitle;
        private TextView textPrice;
        private TextView textTime;
        private TextView textStatus;
        private Button but;
        public MyViewHolder(View view) {
            super(view);
            textTitle = view.findViewById(R.id.textTitle);
            textPrice=view.findViewById(R.id.textPrice);
            textTime=view.findViewById(R.id.textTime);
            textStatus=view.findViewById(R.id.textStatus);
            but=view.findViewById(R.id.but);
        }
    }
}