今日头天简单方法

最新推荐文章于 2022-06-07 08:18:35 发布

yin_chenglong

最新推荐文章于 2022-06-07 08:18:35 发布

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本文链接：https://blog.youkuaiyun.com/yin_chenglong/article/details/80532734

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本文探讨了在软件开发中如何使用清单文件来管理项目的依赖关系。通过学习，读者将了解清单文件的作用，以及它如何确保正确安装和更新项目所需的各种依赖库。这将有助于优化开发流程并确保项目的稳定运行。

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package com.example.lx_zk3.model;

import com.google.gson.Gson;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.List;

public class NewsBean {

    /**
     * msg : 成功的返回
     * code : 1
     * data : [{"uniquekey":"1326bf3c4505783d4a964f81b6220e9d","title":"美国被特朗普坑惨了！又有3个铁杆盟友公开唱对台戏！","date":"2018-05-12 07:25","category":"头条","author_name":"大国军情","url":"http://mini.eastday.com/mobile/180512072544020.html","thumbnail_pic_s":"http://04.imgmini.eastday.com/mobile/20180512/20180512_fe1bf1b6ec00098f9455c84dc81e6763_cover_mwpm_03200403.jpg","thumbnail_pic_s02":"http://04.imgmini.eastday.com/mobile/20180512/20180512_3f636fca330f2311583896aed3185196_cover_mwpm_03200403.jpg","thumbnail_pic_s03":"http://04.imgmini.eastday.com/mobile/20180512/20180512_793fab03dadcd417bf2d8e5e1e48a0f5_cover_mwpm_03200403.jpg"},{"uniquekey":"9db153b507c10bbbed1d26c29c030eef","title":"第71届戛纳电影节：贾樟柯电影《江湖儿女》首映","date":"2018-05-12 07:25","category":"头条","author_name":"新华网","url":"http://mini.eastday.com/mobile/180512072505095.html","thumbnail_pic_s":"http://01.imgmini.eastday.com/mobile/20180512/20180512072505_0fe08f494e7c090764244e3581b3e5ca_5_mwpm_03200403.jpg","thumbnail_pic_s02":"http://01.imgmini.eastday.com/mobile/20180512/20180512072505_0fe08f494e7c090764244e3581b3e5ca_1_mwpm_03200403.jpg","thumbnail_pic_s03":"http://01.imgmini.eastday.com/mobile/20180512/20180512072505_0fe08f494e7c090764244e3581b3e5ca_3_mwpm_03200403.jpg"},{"uniquekey":"4f47eb31b188cfa90881260bb2b11aa8","title":"以色列发射60枚火箭弹对伊朗进行报复，中东小霸王称号保不住了","date":"2018-05-12 07:24","category":"头条","author_name":"遇见优佳","url":"http://mini.eastday.com/mobile/180512072412903.html","thumbnail_pic_s":"http://06.imgmini.eastday.com/mobile/20180512/20180512_38f5183808987be3783b180740d12a2a_cover_mwpm_03200403.jpg","thumbnail_pic_s02":"http://06.imgmini.eastday.com/mobile/20180512/20180512_a3d9f98eb0e3fe36574581f00fa0f898_cover_mwpm_03200403.jpg","thumbnail_pic_s03":"http://06.imgmini.eastday.com/mobile/20180512/20180512_37fa1339af2e64cfd2dc85191950e8ba_cover_mwpm_03200403.jpg"},{"uniquekey":"a3ef77503b9924d7ad6957a5af5da5d1","title":"苏丹驻华大使送别招待会在公共外交文化交流中心举行","date":"2018-05-12 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07:17","category":"头条","author_name":"中国新闻网","url":"http://mini.eastday.com/mobile/180512071745564.html","thumbnail_pic_s":"http://00.imgmini.eastday.com/mobile/20180512/20180512071745_6accdc1c2a1356851f0bf51247a8f256_9_mwpm_03200403.jpg","thumbnail_pic_s02":"http://00.imgmini.eastday.com/mobile/20180512/20180512071745_6accdc1c2a1356851f0bf51247a8f256_8_mwpm_03200403.jpg","thumbnail_pic_s03":"http://00.imgmini.eastday.com/mobile/20180512/20180512071745_6accdc1c2a1356851f0bf51247a8f256_4_mwpm_03200403.jpg"},{"uniquekey":"fc91bd75121e2e84a6cb3d239ddb9846","title":"太反常！特朗普声称退出伊核协议以来，伊朗的表现让美军不适应","date":"2018-05-12 07:15","category":"头条","author_name":"阿尔法军事","url":"http://mini.eastday.com/mobile/180512071539046.html","thumbnail_pic_s":"http://01.imgmini.eastday.com/mobile/20180512/20180512_85e54ca8649794d2c3fdf06faf04fa87_cover_mwpm_03200403.jpg","thumbnail_pic_s02":"http://01.imgmini.eastday.com/mobile/20180512/20180512_e8df98afa3707e436d1793e66d5bc063_cover_mwpm_03200403.jpg","thumbnail_pic_s03":"http://01.imgmini.eastday.com/mobile/20180512/20180512_a1d1e3735f424eba66244a7842b2f7bf_cover_mwpm_03200403.jpg"},{"uniquekey":"ebed0b6a189873fa375a47ee8463c9be","title":"沪正在全面消除无证餐饮店铺 \u201c共享餐厅\u201d最快6月运营","date":"2018-05-12 07:13","category":"头条","author_name":"东方网","url":"http://mini.eastday.com/mobile/180512071324017.html","thumbnail_pic_s":"http://06.imgmini.eastday.com/mobile/20180512/20180512071324_ae237ccc4fcee20ec4909588b5b7609f_1_mwpm_03200403.jpg"},{"uniquekey":"8a88eb5466a46cf6d975579ccb658e29","title":"特朗普嘲讽奥巴马：他花18亿救人，我让朝鲜免费放人","date":"2018-05-12 07:09","category":"头条","author_name":"解放网","url":"http://mini.eastday.com/mobile/180512070940666.html","thumbnail_pic_s":"http://05.imgmini.eastday.com/mobile/20180512/20180512070940_3108dd32b82c16f350b949340f95a647_1_mwpm_03200403.jpg"},{"uniquekey":"6113c546a13e9292ced28b0199a23108","title":"身在国外，这五点我必须说清楚！","date":"2018-05-12 07:03","category":"头条","author_name":"新华网","url":"http://mini.eastday.com/mobile/180512070344831.html","thumbnail_pic_s":"http://02.imgmini.eastday.com/mobile/20180512/20180512070344_7f0366d60dea69d79c1f0432600b5f20_4_mwpm_03200403.jpg","thumbnail_pic_s02":"http://02.imgmini.eastday.com/mobile/20180512/20180512070344_7f0366d60dea69d79c1f0432600b5f20_2_mwpm_03200403.jpg","thumbnail_pic_s03":"http://02.imgmini.eastday.com/mobile/20180512/20180512070344_7f0366d60dea69d79c1f0432600b5f20_3_mwpm_03200403.jpg"},{"uniquekey":"ca9d43ed0e6875692164bea6cc898065","title":"再\u201c读\u201d汶川｜究竟是一种什么样的力量，让中国人如此勇敢地面对可怕的灾难？","date":"2018-05-12 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06:49","category":"头条","author_name":"解放网","url":"http://mini.eastday.com/mobile/180512064903130.html","thumbnail_pic_s":"http://05.imgmini.eastday.com/mobile/20180512/20180512064903_6a2e203b71d2710aded08d300ab29eeb_1_mwpm_03200403.jpg"},{"uniquekey":"e1b21b938c2fc3a7345ca5bd93ab3d8e","title":"被吐槽演技差的宋茜这回动真格的，吴亦凡黄子韬们也跟上节奏了！","date":"2018-05-12 06:46","category":"头条","author_name":"网易越娱乐","url":"http://mini.eastday.com/mobile/180512064621690.html","thumbnail_pic_s":"http://04.imgmini.eastday.com/mobile/20180512/20180512064621_bab229c7b39e6fa7e59dd27703ddfb38_2_mwpm_03200403.jpg","thumbnail_pic_s02":"http://04.imgmini.eastday.com/mobile/20180512/20180512064621_bab229c7b39e6fa7e59dd27703ddfb38_3_mwpm_03200403.jpg","thumbnail_pic_s03":"http://04.imgmini.eastday.com/mobile/20180512/20180512064621_bab229c7b39e6fa7e59dd27703ddfb38_1_mwpm_03200403.jpg"},{"uniquekey":"526a4c110dedc726aa4e53afbcbea23d","title":"美国重新制裁伊朗 德国经济界担忧遭连累","date":"2018-05-12 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05:36","category":"头条","author_name":"中国新闻网","url":"http://mini.eastday.com/mobile/180512053627582.html","thumbnail_pic_s":"http://02.imgmini.eastday.com/mobile/20180512/20180512053627_9945660161d740d7ed793166d7227a70_1_mwpm_03200403.jpg","thumbnail_pic_s02":"http://02.imgmini.eastday.com/mobile/20180512/20180512053627_9945660161d740d7ed793166d7227a70_2_mwpm_03200403.jpg"},{"uniquekey":"94eee6750d18b56e69e7f21639e3e5f1","title":"早读｜上海将筹建\u201c中共一大纪念馆\u201d","date":"2018-05-12 05:36","category":"头条","author_name":"解放网","url":"http://mini.eastday.com/mobile/180512053610949.html","thumbnail_pic_s":"http://01.imgmini.eastday.com/mobile/20180512/20180512053610_4bc3792a8ae8dfa412a4da9f45478910_1_mwpm_03200403.jpg"},{"uniquekey":"fb1c5b67794834d0a6103a20b64854c0","title":"中国电子商务快速发展 给世界带来巨大商机","date":"2018-05-12 05:23","category":"头条","author_name":"西安晚报","url":"http://mini.eastday.com/mobile/180512052309026.html","thumbnail_pic_s":"http://02.imgmini.eastday.com/mobile/20180512/20180512052309_d81eabc5f596d49d94d73f8b3fbc6a8c_1_mwpm_03200403.jpg"},{"uniquekey":"4aa30f5d94850ca14205845bc5847c5a","title":"\u201c竹简\u201d寄情 感恩父母","date":"2018-05-12 05:15","category":"头条","author_name":"大众网","url":"http://mini.eastday.com/mobile/180512051537520.html","thumbnail_pic_s":"http://04.imgmini.eastday.com/mobile/20180512/20180512051537_1f79912ff681c7cc4a96a6f97f967479_1_mwpm_03200403.jpg"},{"uniquekey":"e491de85803b55c5412ad0fbb2346a87","title":"北京海运进出口货物七成走天津","date":"2018-05-12 05:07","category":"头条","author_name":"光明网","url":"http://mini.eastday.com/mobile/180512050734360.html","thumbnail_pic_s":"http://09.imgmini.eastday.com/mobile/20180512/20180512050734_de8eae16975f2ddf8223b7c549096c70_3_mwpm_03200403.jpg","thumbnail_pic_s02":"http://09.imgmini.eastday.com/mobile/20180512/20180512050734_de8eae16975f2ddf8223b7c549096c70_1_mwpm_03200403.jpg","thumbnail_pic_s03":"http://09.imgmini.eastday.com/mobile/20180512/20180512050734_de8eae16975f2ddf8223b7c549096c70_2_mwpm_03200403.jpg"},{"uniquekey":"2f2995abb898f94aeacecd6537013404","title":"生活中诱发痔疮的五个原因不可忽略, 痔疮的治疗方法","date":"2018-05-12 04:56","category":"头条","author_name":"凤凰网","url":"http://mini.eastday.com/mobile/180512045657878.html","thumbnail_pic_s":"http://02.imgmini.eastday.com/mobile/20180512/20180512045657_15014004f9669c5aee78579be692dd66_1_mwpm_03200403.jpg","thumbnail_pic_s02":"http://02.imgmini.eastday.com/mobile/20180512/20180512045657_15014004f9669c5aee78579be692dd66_2_mwpm_03200403.jpg"}]
     */

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

    public static NewsBean objectFromData(String str) {
        return new Gson().fromJson(str, NewsBean.class);
    }

    public static NewsBean objectFromData(String str, String key) {

        try {
            JSONObject jsonObject = new JSONObject(str);

            return new Gson().fromJson(jsonObject.getString(str), NewsBean.class);
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return null;
    }

    public String getMsg() {
        return msg;
    }

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

    public int getCode() {
        return code;
    }

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

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

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

    public static class DataBean {
        /**
         * uniquekey : 1326bf3c4505783d4a964f81b6220e9d
         * title : 美国被特朗普坑惨了！又有3个铁杆盟友公开唱对台戏！
         * date : 2018-05-12 07:25
         * category : 头条
         * author_name : 大国军情
         * url : http://mini.eastday.com/mobile/180512072544020.html
         * thumbnail_pic_s : http://04.imgmini.eastday.com/mobile/20180512/20180512_fe1bf1b6ec00098f9455c84dc81e6763_cover_mwpm_03200403.jpg
         * thumbnail_pic_s02 : http://04.imgmini.eastday.com/mobile/20180512/20180512_3f636fca330f2311583896aed3185196_cover_mwpm_03200403.jpg
         * thumbnail_pic_s03 : http://04.imgmini.eastday.com/mobile/20180512/20180512_793fab03dadcd417bf2d8e5e1e48a0f5_cover_mwpm_03200403.jpg
         */

        private String uniquekey;
        private String title;
        private String date;
        private String category;
        private String author_name;
        private String url;
        private String thumbnail_pic_s;
        private String thumbnail_pic_s02;
        private String thumbnail_pic_s03;

        public static DataBean objectFromData(String str) {

            return new Gson().fromJson(str, DataBean.class);
        }

        public static DataBean objectFromData(String str, String key) {

            try {
                JSONObject jsonObject = new JSONObject(str);

                return new Gson().fromJson(jsonObject.getString(str), DataBean.class);
            } catch (JSONException e) {
                e.printStackTrace();
            }

            return null;
        }

        public String getUniquekey() {
            return uniquekey;
        }

        public void setUniquekey(String uniquekey) {
            this.uniquekey = uniquekey;
        }

        public String getTitle() {
            return title;
        }

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

        public String getDate() {
            return date;
        }

        public void setDate(String date) {
            this.date = date;
        }

        public String getCategory() {
            return category;
        }

        public void setCategory(String category) {
            this.category = category;
        }

        public String getAuthor_name() {
            return author_name;
        }

        public void setAuthor_name(String author_name) {
            this.author_name = author_name;
        }

        public String getUrl() {
            return url;
        }

        public void setUrl(String url) {
            this.url = url;
        }

        public String getThumbnail_pic_s() {
            return thumbnail_pic_s;
        }

        public void setThumbnail_pic_s(String thumbnail_pic_s) {
            this.thumbnail_pic_s = thumbnail_pic_s;
        }

        public String getThumbnail_pic_s02() {
            return thumbnail_pic_s02;
        }

        public void setThumbnail_pic_s02(String thumbnail_pic_s02) {
            this.thumbnail_pic_s02 = thumbnail_pic_s02;
        }

        public String getThumbnail_pic_s03() {
            return thumbnail_pic_s03;
        }

        public void setThumbnail_pic_s03(String thumbnail_pic_s03) {
            this.thumbnail_pic_s03 = thumbnail_pic_s03;
        }
    }
}

package com.example.lx_zk3.model;


import com.example.lx_zk3.net.OnNetListener;

public interface NewsModel {
    void showNews(OnNetListener onNetListener);
}

package com.example.lx_zk3.model;

import com.example.lx_zk3.net.OkhttpUtils;
import com.example.lx_zk3.net.OnNetListener;
import com.google.gson.Gson;

public class NewsModelImp implements NewsModel {
    private String NEWS_URL = "http://www.xieast.com/api/news/news.php";

    @Override
    public void showNews(final OnNetListener onNetListener) {
        OkhttpUtils.getInstener().doGet(NEWS_URL, new OnNetListener() {
            @Override
            public void OnSuccess(String result) {
                NewsBean newsBean = new Gson().fromJson(result, NewsBean.class);
                if(1 == newsBean.getCode()){
                    onNetListener.OnSuccess(result);
                }

            }

            @Override
            public void onFailed(Exception e) {
                onNetListener.onFailed(e);
            }
        });
    }
}

package com.example.lx_zk3.net;

import android.os.Handler;
import android.os.Looper;

import java.io.IOException;
import java.util.concurrent.TimeUnit;


import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class OkhttpUtils {
    private static OkhttpUtils instener;
    private OkHttpClient okHttpClient;
    private Handler handler;

    private OkhttpUtils() {
        okHttpClient = new OkHttpClient.Builder()
                .connectTimeout(15, TimeUnit.SECONDS)
                .readTimeout(15, TimeUnit.SECONDS)
                .writeTimeout(15, TimeUnit.SECONDS)
                .build();
        handler = new Handler(Looper.getMainLooper());
    }

    public static OkhttpUtils getInstener() {
        if (instener == null) {
            instener = new OkhttpUtils();
        }
        return instener;
    }

    //get请求
    public void doGet(String url, final OnNetListener onNetListener) {
        //创建Request
        Request request = new Request.Builder().url(url).build();
        //发送请求
        okHttpClient.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, final IOException e) {
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        onNetListener.onFailed(e);
                    }
                });
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                final String string = response.body().string();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        onNetListener.OnSuccess(string);
                    }
                });
            }
        });
    }
}

package com.example.lx_zk3.net;

public interface OnNetListener {
    void OnSuccess(String result);

    void onFailed(Exception e);
}

package com.example.lx_zk3.presenter;

public interface NewsPresenter {
    void showNews();
}

package com.example.lx_zk3.presenter;
import com.example.lx_zk3.NewsView;
import com.example.lx_zk3.model.NewsBean;
import com.example.lx_zk3.model.NewsModelImp;
import com.example.lx_zk3.net.OnNetListener;
import com.google.gson.Gson;

import java.util.List;

public class NewsPresenterImp implements NewsPresenter{
    private NewsView newsView;
    private final NewsModelImp newsModelImp;
    public NewsPresenterImp(NewsView newsView) {
        this.newsView = newsView;
        newsModelImp = new NewsModelImp();
    }

    @Override
    public void showNews() {
        newsModelImp.showNews(new OnNetListener() {
            @Override
            public void OnSuccess(String result) {
                NewsBean newsBean = new Gson().fromJson(result, NewsBean.class);
                List<NewsBean.DataBean> data = newsBean.getData();
                newsView.showData(data);
            }

            @Override
            public void onFailed(Exception e) {

            }
        });
    }
}

package com.example.lx_zk3;

import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.DefaultItemAnimator;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.WindowManager;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import com.example.lx_zk3.model.NewsBean;
import com.example.lx_zk3.presenter.NewsPresenterImp;

import java.util.List;

public class MainActivity extends AppCompatActivity implements NewsView {
    private Boolean isflag = false;
    private RecyclerView mRv;
    private NewsPresenterImp newsPresenterImp;
    private MyRvAdapter myRvAdapter;
    private ImageView mImgXin;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        //绑定
        newsPresenterImp = new NewsPresenterImp(this);
        newsPresenterImp.showNews();
    }

    @Override
    public void showData(List<NewsBean.DataBean> data) {
        //适配器
        myRvAdapter = new MyRvAdapter(MainActivity.this, data);
        mRv.setAdapter(myRvAdapter);
        myRvAdapter.setOnItemClick(new MyRvAdapter.OnItemClick() {
            @Override
            public void onClick(int position) {
                myRvAdapter.deleteItem(position);
            }
        });
    }

    private void initView() {

        //获取屏幕的宽高
        WindowManager wm = (WindowManager) this.getSystemService(Context.WINDOW_SERVICE);
        final int width = wm.getDefaultDisplay().getWidth();
        final int height = wm.getDefaultDisplay().getHeight();

        mRv = (RecyclerView) findViewById(R.id.rv);
        //布局管理器
        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
        mRv.setLayoutManager(linearLayoutManager);
        mRv.setItemAnimator(new DefaultItemAnimator());

        mImgXin = (ImageView) findViewById(R.id.img_xin);
        mImgXin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(final View v) {
                setAnimation(v, width, height);
            }
        });

    }

    //设置动画
    private void setAnimation(final View v, int width, int height) {
        //平移
        TranslateAnimation translateAnimation = new TranslateAnimation(0, -width, 0, height);
        //透明
        AlphaAnimation alphaAnimation = new AlphaAnimation(1.0f, 0.0f);
        AnimationSet set = new AnimationSet(false);
        //添加动画
        set.addAnimation(translateAnimation);
        set.addAnimation(alphaAnimation);
        //播放时间
        set.setDuration(3000);
        //播放次数
        set.setRepeatCount(0);
        //播放循环方式
        set.setRepeatMode(Animation.RESTART);
        set.setFillAfter(false);
        //开始播放动画
        mImgXin.startAnimation(set);
        //动画添加监听
        set.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                imageChange(v);
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }
        });
    }

    //点击改变图片
    private void imageChange(View v) {
        if (v == mImgXin) {
            if (isflag) {
                mImgXin.setImageDrawable(getResources().getDrawable(R.drawable.xin_check));
            } else {
                mImgXin.setImageDrawable(getResources().getDrawable(R.drawable.xin));
            }
            isflag = !isflag;
        }
    }
}

package com.example.lx_zk3;

import android.content.Context;
import android.support.annotation.NonNull;
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.lx_zk3.model.NewsBean;

import java.util.List;

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

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

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View inflate = View.inflate(context, R.layout.item_list, null);
        ViewHolder viewHolder = new ViewHolder(inflate);
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, final int position) {
        ViewHolder viewHolder = holder;
        NewsBean.DataBean dataBean = list.get(position);
        Glide.with(context).load(dataBean.getThumbnail_pic_s()).into(viewHolder.item_img);
        viewHolder.item_title.setText(dataBean.getTitle());
        viewHolder.item_info.setText(dataBean.getAuthor_name());

        viewHolder.btn_del.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mOnItemClick != null){
                    mOnItemClick.onClick(position);
                }
            }
        });
    }

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

    class ViewHolder extends RecyclerView.ViewHolder{
        private final ImageView item_img;
        private final TextView item_title;
        private final TextView item_info;
        private final Button btn_del;
        public ViewHolder(View itemView) {
            super(itemView);
            item_img = itemView.findViewById(R.id.item_img);
            item_title = itemView.findViewById(R.id.item_title);
            item_info = itemView.findViewById(R.id.item_info);
            btn_del = itemView.findViewById(R.id.btn_del);
        }
    }
    //设置接口
    public interface OnItemClick {
        void onClick(int position);
    }
    //声明接口
    private OnItemClick mOnItemClick;
    //提供外部调用的方法
    public void setOnItemClick(OnItemClick onItemClick){
        mOnItemClick = onItemClick;
    }
    //删除
    public void deleteItem(int position){
        list.remove(position);
        notifyItemRemoved(position);
        notifyItemRangeChanged(position, list.size()-position);
    }
}

package com.example.lx_zk3;


import com.example.lx_zk3.model.NewsBean;

import java.util.List;

public interface NewsView {
    void showData(List<NewsBean.DataBean> data);
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/rl"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >

    <ImageView
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:layout_alignParentTop="true"
        android:layout_margin="10dp"
        android:layout_weight="1"
        android:src="@drawable/fan" />

    <TextView
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentTop="true"
        android:layout_weight="8"
        android:gravity="center"
        android:layout_margin="5dp"
        android:text="今日头条"
        android:textSize="20dp" />

    <ImageView
        android:id="@+id/img_xin"
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:layout_margin="10dp"
        android:layout_alignParentRight="true"
        android:src="@drawable/xin_check" />

    <android.support.v7.widget.RecyclerView
        android:id="@+id/rv"
        android:layout_marginTop="60dp"
        android:layout_marginLeft="10dp"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </android.support.v7.widget.RecyclerView>
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="100dp"
    android:orientation="horizontal">

    <ImageView
        android:id="@+id/item_img"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:src="@mipmap/ic_launcher" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <TextView
            android:id="@+id/item_title"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:gravity="center_vertical"
            android:textSize="20dp" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:orientation="horizontal">

            <TextView
                android:id="@+id/item_info"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="4" />

            <Button
                android:id="@+id/btn_del"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:background="#00000000"
                android:gravity="right"
                android:text="删除" />
        </LinearLayout>
    </LinearLayout>
</LinearLayout>

清单文件

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.lx_zk3">
    <uses-permission android:name="android.permission.INTERNET"/>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

依赖

//glide
implementation 'com.github.bumptech.glide:glide:4.3.1'
annotationProcessor 'com.github.bumptech.glide:compiler:4.3.1'
//banner
implementation 'com.youth.banner:banner:1.4.10'
//recyclerview
implementation 'com.android.support:recyclerview-v7:26.1.0'
//okhttp
implementation 'com.squareup.okhttp3:okhttp:3.6.0'
implementation 'com.squareup.okio:okio:1.11.0'
implementation 'com.squareup.okhttp3:logging-interceptor:3.6.0'
//gson
implementation 'com.google.code.gson:gson:2.8.2'