京东视图+跳转详情页面（Fresco+ButterKnife+eventBus）

依赖

//    Glide加载图片
    compile 'com.github.bumptech.glide:glide:3.7.0'
    //   recyclerview
    implementation 'com.android.support:recyclerview-v7:26.1.0'
    /*okhttp网络请求*/
    implementation 'com.squareup.okhttp3:okhttp:3.12.0'
    //butterknife
    implementation 'com.jakewharton:butterknife:8.8.1'
    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
    //eventbus
    implementation 'org.greenrobot:eventbus:3.1.1'
    implementation files('libs/gson-2.5.jar')
    implementation files('libs/universal-image-loader-1.9.5.jar')
    implementation project(':okhttp')
    implementation 'com.xw.repo:xedittext:2.1.0@aar'
    /*fresco图片处理*/
    implementation 'com.facebook.fresco:fresco:1.11.0'
    /*轮播图 依赖*/
    implementation 'com.youth.banner:banner:1.4.9'

权限

    <uses-permission android:name="android.permission.INTERNET" />

布局

activity_main.xml

<LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <ImageView
            android:layout_gravity="center"
            android:id="@+id/main_back"
            android:src="@drawable/btn_back"
            android:layout_width="35dp"
            android:layout_height="35dp" />
        <com.xw.repo.XEditText
            android:paddingLeft="20dp"
            android:id="@+id/main_text"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="8"
            android:background="@drawable/shape">
        </com.xw.repo.XEditText>
        <Button
            android:layout_gravity="center"
            android:id="@+id/main_btn"
            android:text="搜索"
            android:layout_width="52dp"
            android:layout_height="52dp" />
        <ImageView
            android:layout_gravity="center"
            android:id="@+id/main_img"
            android:src="@drawable/menu1"
            android:layout_weight="1"
            android:layout_width="45dp"
            android:layout_height="45dp" />
    </LinearLayout>
    <android.support.v7.widget.RecyclerView
        android:id="@+id/main_recycler"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    </android.support.v7.widget.RecyclerView>

activity_scend.xml

<com.youth.banner.Banner
        android:id="@+id/scend_banner"
        android:layout_width="match_parent"
        android:layout_height="250dp">
    </com.youth.banner.Banner>
    <TextView
        android:id="@+id/scend_title"
        android:text="标题"
        android:textSize="30sp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <TextView
        android:layout_marginTop="30dp"
        android:id="@+id/scend_price"
        android:text="价格"
        android:textColor="#f00"
        android:textSize="25sp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

item_layout.xml

<com.facebook.drawee.view.SimpleDraweeView
        android:id="@+id/item_img"
        android:src="@mipmap/ic_launcher"
        android:layout_width="80dp"
        android:layout_height="80dp" />
    <LinearLayout
        android:orientation="vertical"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">
        <TextView
            android:id="@+id/item_title"
            android:text="标题"
            android:textSize="20sp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <TextView
            android:id="@+id/item_price"
            android:textColor="#f00"
            android:text="价格"
            android:textSize="25sp"
            android:layout_marginTop="50dp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </LinearLayout>

beans

Goods

public class Goods {

    /**
     * msg : 查询成功
     * code : 0
     * data : [{"bargainPrice":11800,"createtime":"2017-10-10T17:33:37","detailUrl":"https://item.m.jd.com/product/4338107.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6700/155/2098998076/156185/6cf95035/595dd5a5Nc3a7dab5.jpg!q70.jpg","itemtype":0,"pid":57,"price":5199,"pscid":40,"salenum":4343,"sellerid":1,"subhead":"【i5 MX150 2G显存】全高清窄边框 8G内存 256固态硬盘 支持指纹识别 预装WIN10系统","title":"小米(MI)Air 13.3英寸全金属轻薄笔记本(i5-7200U 8G 256G PCle SSD MX150 2G独显 FHD 指纹识别 Win10）银 "},{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/5025518.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8830/106/1760940277/195595/5cf9412f/59bf2ef5N5ab7dc16.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5428/70/1520969931/274676/b644dd0d/591128e7Nd2f70da0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5566/365/1519564203/36911/620c750c/591128eaN54ac3363.jpg!q70.jpg","itemtype":1,"pid":58,"price":6399,"pscid":40,"salenum":545,"sellerid":2,"subhead":"升级4G大显存！Nvme协议Pcie SSD,速度快人一步】GTX1050Ti就选拯救者！专业游戏键盘&新模具全新设计！","title":"联想(Lenovo)拯救者R720 15.6英寸游戏笔记本电脑(i5-7300HQ 8G 1T+128G SSD GTX1050Ti 4G IPS 黑)"},{"bargainPrice":5599,"createtime":"2017-10-10T17:30:32","detailUrl":"https://item.m.jd.com/product/4824715.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n12/jfs/t7768/184/1153704394/148460/f42e1432/599a930fN8a85626b.jpg!q70.jpg","itemtype":0,"pid":59,"price":5599,"pscid":40,"salenum":675,"sellerid":3,"subhead":"游戏本选择4G独显，拒绝掉帧】升级版IPS全高清防眩光显示屏，WASD方向键颜色加持，三大出风口立体散热！","title":"戴尔DELL灵越游匣15PR-6648B GTX1050 15.6英寸游戏笔记本电脑(i5-7300HQ 8G 128GSSD+1T 4G独显 IPS)黑"},{"bargainPrice":11800,"createtime":"2017-10-14T21:48:08","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","itemtype":2,"pid":60,"price":13888,"pscid":40,"salenum":466,"sellerid":4,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"},{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","itemtype":1,"pid":61,"price":14999,"pscid":40,"salenum":5535,"sellerid":5,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"},{"bargainPrice":11800,"createtime":"2017-10-03T23:53:28","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","itemtype":0,"pid":62,"price":15999,"pscid":40,"salenum":43,"sellerid":6,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"},{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","itemtype":1,"pid":63,"price":10000,"pscid":40,"salenum":3232,"sellerid":7,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"},{"bargainPrice":11800,"createtime":"2017-10-03T23:43:53","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","itemtype":0,"pid":64,"price":11000,"pscid":40,"salenum":0,"sellerid":8,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"},{"bargainPrice":11800,"createtime":"2017-10-14T21:48:08","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","itemtype":2,"pid":65,"price":12000,"pscid":40,"salenum":868,"sellerid":9,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"},{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://mitem.jd.hk/ware/view.action?wareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","itemtype":1,"pid":66,"price":13000,"pscid":40,"salenum":7676,"sellerid":10,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"}]
     * page : 1
     */

    private String msg;
    private String code;
    private String page;
    private List<DataBean> data;

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getPage() {
        return page;
    }

    public void setPage(String page) {
        this.page = page;
    }

    public List<DataBean> getData() {
        return data;
    }

    public void setData(List<DataBean> data) {
        this.data = data;
    }

    public static class DataBean {
        /**
         * bargainPrice : 11800
         * createtime : 2017-10-10T17:33:37
         * detailUrl : https://item.m.jd.com/product/4338107.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends
         * images : https://m.360buyimg.com/n0/jfs/t6700/155/2098998076/156185/6cf95035/595dd5a5Nc3a7dab5.jpg!q70.jpg
         * itemtype : 0
         * pid : 57
         * price : 5199
         * pscid : 40
         * salenum : 4343
         * sellerid : 1
         * subhead : 【i5 MX150 2G显存】全高清窄边框 8G内存 256固态硬盘 支持指纹识别 预装WIN10系统
         * title : 小米(MI)Air 13.3英寸全金属轻薄笔记本(i5-7200U 8G 256G PCle SSD MX150 2G独显 FHD 指纹识别 Win10）银
         */

        private int bargainPrice;
        private String createtime;
        private String detailUrl;
        private String images;
        private int itemtype;
        private int pid;
        private int price;
        private int pscid;
        private int salenum;
        private int sellerid;
        private String subhead;
        private String title;

        public int getBargainPrice() {
            return bargainPrice;
        }

        public void setBargainPrice(int bargainPrice) {
            this.bargainPrice = bargainPrice;
        }

        public String getCreatetime() {
            return createtime;
        }

        public void setCreatetime(String createtime) {
            this.createtime = createtime;
        }

        public String getDetailUrl() {
            return detailUrl;
        }

        public void setDetailUrl(String detailUrl) {
            this.detailUrl = detailUrl;
        }

        public String getImages() {
            return images;
        }

        public void setImages(String images) {
            this.images = images;
        }

        public int getItemtype() {
            return itemtype;
        }

        public void setItemtype(int itemtype) {
            this.itemtype = itemtype;
        }

        public int getPid() {
            return pid;
        }

        public void setPid(int pid) {
            this.pid = pid;
        }

        public int getPrice() {
            return price;
        }

        public void setPrice(int price) {
            this.price = price;
        }

        public int getPscid() {
            return pscid;
        }

        public void setPscid(int pscid) {
            this.pscid = pscid;
        }

        public int getSalenum() {
            return salenum;
        }

        public void setSalenum(int salenum) {
            this.salenum = salenum;
        }

        public int getSellerid() {
            return sellerid;
        }

        public void setSellerid(int sellerid) {
            this.sellerid = sellerid;
        }

        public String getSubhead() {
            return subhead;
        }

        public void setSubhead(String subhead) {
            this.subhead = subhead;
        }

        public String getTitle() {
            return title;
        }

        public void setTitle(String title) {
            this.title = title;
        }

        @Override
        public String toString() {
            return "DataBean{" +
                    "bargainPrice=" + bargainPrice +
                    ", createtime='" + createtime + '\'' +
                    ", detailUrl='" + detailUrl + '\'' +
                    ", images='" + images + '\'' +
                    ", itemtype=" + itemtype +
                    ", pid=" + pid +
                    ", price=" + price +
                    ", pscid=" + pscid +
                    ", salenum=" + salenum +
                    ", sellerid=" + sellerid +
                    ", subhead='" + subhead + '\'' +
                    ", title='" + title + '\'' +
                    '}';
        }
    }
}

banners

MyBanner

public class MyBanner extends ImageLoader {
    @Override
    public void displayImage(Context context, Object path, ImageView imageView) {
        //初始化Glid包
        Glide.with(context).load(path).into(imageView);
    }
}

adapter

MyAdapter

public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private List<Goods.DataBean> list;
    private Context context;

    public MyAdapter(List<Goods.DataBean> list, Context context) {
        this.list = list;
        this.context = context;
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(context).inflate(R.layout.item_layout, parent, false);
        return new ViewHodel(view);
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
        ((ViewHodel)holder).item_title.setText(list.get(position).getTitle());
        ((ViewHodel)holder).item_price.setText("¥："+list.get(position).getPrice());

        //切割图片
        String images = list.get(position).getImages();//得到图片集
        String[] split = images.split("\\|");//得到一个图片
        if (split.length>0) {
            //将https成http  进行联网显示
            String replace = split[0].replace("https", "http");
            Uri parse = Uri.parse(replace);
            //Glide.with(context).load(replace).into(((ViewHodel)holder).item_img);//设置图片
            ((ViewHodel)holder).item_img.setImageURI(parse);
        }

        ((ViewHodel) holder).itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onItemClickListener.OnItemClick(v,position);
            }
        });
        //长按
        ((ViewHodel) holder).itemView.setOnLongClickListener(new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View v) {
                onItemLongClickListener.OnItemLongClick(v,position);
                return true;
            }
        });
    }

    @Override
    public int getItemCount() {
        return list.size();
    }

    private class ViewHodel extends RecyclerView.ViewHolder {

        private final TextView item_price;
        private final SimpleDraweeView item_img;
        private final TextView item_title;

        public ViewHodel(View view) {
            super(view);
            item_img = view.findViewById(R.id.item_img);
            item_title = view.findViewById(R.id.item_title);
            item_price = view.findViewById(R.id.item_price);

        }
    }



    private OnItemClickListener onItemClickListener;

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public interface OnItemClickListener{
        void OnItemClick(View view, int position);
    }
    private OnItemLongClickListener onItemLongClickListener;

    public void setOnItemLongClickListener(OnItemLongClickListener onItemLongClickListener) {
        this.onItemLongClickListener = onItemLongClickListener;
    }

    public interface OnItemLongClickListener{
        void OnItemLongClick(View view, int position);
    }

}

http

HttpConfig

public class HttpConfig {
    public static String news_url="http://www.zhaoapi.cn/product/searchProducts";
}

OkHttpUtils

public class OkHttpUtils {
    public static OkHttpUtils oKhttpUtils;
    private final OkHttpClient okHttpClient;
    private final Handler myhandler;


    private OkHttpUtils() {
        //日志拦截器
//        HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor();
//        httpLoggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);


        //主线程Handler
        myhandler = new Handler(Looper.getMainLooper());
        okHttpClient = new OkHttpClient.Builder()
                .readTimeout(5000, TimeUnit.MILLISECONDS)
                .writeTimeout(5000, TimeUnit.MILLISECONDS)
                .connectTimeout(5000, TimeUnit.MILLISECONDS)
                //  .addInterceptor(httpLoggingInterceptor)
                .build();
    }


    public static OkHttpUtils getoKhttpUtils() {
        if (oKhttpUtils == null) {
            synchronized (OkHttpUtils.class) {
                if (oKhttpUtils == null) {
                    return oKhttpUtils = new OkHttpUtils();
                }
            }
        }
        return oKhttpUtils;
    }


    //异步get
    public void doGet(String url, final IOKhttpUtilsCallback ioKhttpUtilsCallback) {
        Request request = new Request.Builder()
                .get()
                .url(url)
                .build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, final IOException e) {
                if (ioKhttpUtilsCallback != null) {
                    //切换到主线程
                    myhandler.post(new Runnable() {
                        @Override
                        public void run() {
                            ioKhttpUtilsCallback.onFailure(e.getMessage());
                        }
                    });
                }
            }



            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if (response != null && response.isSuccessful()) {
                    final String json = response.body().string();
                    if (ioKhttpUtilsCallback != null) {
                        //切换到主线程
                        myhandler.post(new Runnable() {
                            @Override
                            public void run() {
                                ioKhttpUtilsCallback.onResponse(json);
                            }
                        });
                    }


                } else {
                    if (ioKhttpUtilsCallback != null) {
                        //切换到主线程
                        myhandler.post(new Runnable() {
                            @Override
                            public void run() {
                                ioKhttpUtilsCallback.onFailure("网络异常");
                            }
                        });
                    }
                }
            }
        });


    }


    //异步post
    public void doPost(String url, Map<String, String> map, final IOKhttpUtilsCallback ioKhttpUtilsCallback) {
        FormBody.Builder builder = new FormBody.Builder();
        for (Map.Entry<String, String> entry : map.entrySet()) {
            builder.add(entry.getKey(), entry.getValue());
        }
        FormBody formBody = builder.build();
        Request request = new Request.Builder()
                .post(formBody)
                .url(url)
                .build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, final IOException e) {
                if (ioKhttpUtilsCallback != null) {
                    //切换到主线程
                    myhandler.post(new Runnable() {
                        @Override
                        public void run() {
                            ioKhttpUtilsCallback.onFailure(e.getMessage());
                        }
                    });
                }
            }


            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if (response != null && response.isSuccessful()) {
                    final String json = response.body().string();
                    if (ioKhttpUtilsCallback != null) {
                        //切换到主线程
                        myhandler.post(new Runnable() {
                            @Override
                            public void run() {
                                ioKhttpUtilsCallback.onResponse(json);
                            }
                        });
                    }


                } else {
                    if (ioKhttpUtilsCallback != null) {
                        //切换到主线程
                        myhandler.post(new Runnable() {
                            @Override
                            public void run() {
                                ioKhttpUtilsCallback.onFailure("网络异常");
                            }
                        });
                    }
                }
            }
        });
    }


    //接口回调
    public interface IOKhttpUtilsCallback {
        void onFailure(String error);
        void onResponse(String json);
    }
}

主页面

MainActivity

public class MainActivity extends AppCompatActivity implements MainView {

    @BindView(R.id.main_back)
    ImageView mMainBack;
    @BindView(R.id.main_img)
    ImageView mMainImg;
    @BindView(R.id.main_recycler)
    RecyclerView mMainRecycler;
    @BindView(R.id.main_text)
    XEditText mMainText;
    @BindView(R.id.main_btn)
    Button mMainBtn;
    private MainPresenter mainPresenter = new MainPresenter(this);
    private String keywords = "笔记本";
    private int page = 1;
    private List<Goods.DataBean> list;
    private int type=0;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Fresco.initialize(context());
        ButterKnife.bind(this);

        mainPresenter.getData(keywords, page);
    }

    @OnClick({R.id.main_back, R.id.main_img, R.id.main_btn})
    public void onClick(View v) {
        switch (v.getId()) {
            default:
                break;
            case R.id.main_back:
                finish();
                break;
            case R.id.main_img:
                if(type==0){
                    GridLayoutManager manager = new GridLayoutManager(this, 2);
                    mMainRecycler.setLayoutManager(manager);
                    mMainImg.setImageResource(R.drawable.menu2);
                    type=1;
                }else{
                    LinearLayoutManager manager = new LinearLayoutManager(context());
                    mMainRecycler.setLayoutManager(manager);
                    mMainImg.setImageResource(R.drawable.menu1);
                    type=0;
                }
                break;
            case R.id.main_btn:
                String text = String.valueOf(mMainText.getText());
                keywords=text;
                mainPresenter.getData(keywords, page);
                break;
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        finish();
    }

    @Override
    public Context context() {
        return this;
    }

    @Override
    public void onSuccess(Goods goods) {
        //Toast.makeText(context(), "成功" + goods.getData().toString(), Toast.LENGTH_SHORT).show();
        final List<Goods.DataBean> list = goods.getData();
        LinearLayoutManager manager = new LinearLayoutManager(context());
        mMainRecycler.setLayoutManager(manager);
        final MyAdapter adapter = new MyAdapter(list, context());
        mMainRecycler.setAdapter(adapter);
        adapter.setOnItemClickListener(new MyAdapter.OnItemClickListener() {
            @Override
            public void OnItemClick(View view, int position) {
                Goods.DataBean bean = list.get(position);
                EventBus.getDefault().postSticky(bean);
                Intent intent = new Intent(MainActivity.this, ScendActivity.class);
                startActivity(intent);
            }
        });
        adapter.setOnItemLongClickListener(new MyAdapter.OnItemLongClickListener() {
            @Override
            public void OnItemLongClick(View view, final int position) {
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setTitle("数据");
                builder.setMessage("确定删除吗");
                builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        list.remove(position);
                        adapter.notifyDataSetChanged();
                    }
                });
                builder.setNegativeButton("取消",null);
                builder.show();
            }
        });

    }

    @Override
    public void onError(String error) {
        Toast.makeText(context(), "搜索失败", Toast.LENGTH_SHORT).show();

    }
}

ScendActivity

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public class ScendActivity extends AppCompatActivity {
    @BindView(R.id.scend_banner)
    Banner scend_banner;
    @BindView(R.id.scend_title)
    TextView scend_title;
    @BindView(R.id.scend_price)
    TextView scend_price;
    private List<String> list = new ArrayList<>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_scend);
        ButterKnife.bind(this);
        EventBus.getDefault().register(this);
    }

    @Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
    public void getGoodsBean(Goods.DataBean bean) {
        Log.i("aaa", bean.toString());
        String images = bean.getImages();
        String[] split = images.split("\\|");//得到一个图片
        for (int i = split.length - 1; i > 0; i--) {
            String replace = split[i].replace("https", "http");
            list.add(replace);
        }
        scend_banner.setImageLoader(new MyBanner());
        scend_banner.setImages(list);
        scend_banner.setDelayTime(1000);
        scend_banner.start();
        scend_title.setText(bean.getTitle());
        scend_price.setText("¥："+bean.getBargainPrice());
    }

}

base

BasePresenter

public abstract class BasePresenter<V extends IView> {
    protected V view;

    public BasePresenter(V view) {
        this.view=view;
        initModel();
    }

    protected abstract void initModel();

}

IView

public interface IView {
    Context context();
}

MVP

MainView

public interface MainView extends IView {
    void onSuccess(Goods goods);
    void onError(String error);
}

MainPresenter

public class MainPresenter extends BasePresenter<MainView> {


    private MainModel mainModel;

    public MainPresenter(MainView view) {
        super(view);
    }

    @Override
    protected void initModel() {
        mainModel = new MainModel();
    }
    public void getData(String keywords, int page){
        mainModel.getData(keywords, page, new MainModel.IMainModelCallBack() {
            @Override
            public void getSuccess(Goods goods) {
                if(view!=null){
                    view.onSuccess(goods);
                }
            }

            @Override
            public void getFail(String error) {
                if(view!=null){
                    view.onError(error);
                }
            }
        });
    }
}

MainModel

public class MainModel {
    public void getData(String keywords, int page,final IMainModelCallBack iMainModelCallBack){
        //http://www.zhaoapi.cn/product/searchProducts?keywords=笔记本&page=1
        OkHttpUtils okHttpUtils = OkHttpUtils.getoKhttpUtils();
        okHttpUtils.doGet(HttpConfig.news_url + "?keywords=" + keywords + "&page=" + page, new OkHttpUtils.IOKhttpUtilsCallback() {
            @Override
            public void onFailure(String error) {
                if(iMainModelCallBack!=null) {
                    iMainModelCallBack.getFail(error);
                }
            }

            @Override
            public void onResponse(String json) {
                Goods goods = new Gson().fromJson(json, Goods.class);
                String code = goods.getCode();
                if(code.equals("0")){
                    if(iMainModelCallBack!=null){
                        iMainModelCallBack.getSuccess(goods);
                    }
                }else{
                    if(iMainModelCallBack!=null){
                        iMainModelCallBack.getFail("未获取到数据");
                    }
                }
            }
        });

    }

    public interface IMainModelCallBack{
        void getSuccess(Goods goods);
        void getFail(String error);
    }
}