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今日头条实现3秒切换文字信息(HttpConnection请求),再用HttpClient请求数据展示在ListView上

来源：互联网 发布：图知科技 编辑：程序博客网 时间：2024/05/18 01:28
MainActivity
package com.example.week1_month11;import android.graphics.Color;import android.os.Bundle;import android.support.annotation.IdRes;import android.support.v4.app.Fragment;import android.support.v7.app.AppCompatActivity;import android.widget.FrameLayout;import android.widget.RadioButton;import android.widget.RadioGroup;import com.example.fragment.Fragment_gd;import com.example.fragment.Fragment_sy;import com.example.fragment.Fragment_tz;import com.example.fragment.Fragment_xf;public class MainActivity extends AppCompatActivity {    private FrameLayout frameLayout;    private RadioButton rb0;    private RadioButton rb1;    private RadioButton rb2;    private RadioButton rb3;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        //初始化组件        frameLayout = (FrameLayout) findViewById(R.id.framlay);        RadioGroup radioGroup = (RadioGroup) findViewById(R.id.rg);        rb0 = (RadioButton) findViewById(R.id.radio0);        rb1 = (RadioButton) findViewById(R.id.radio1);        rb2 = (RadioButton) findViewById(R.id.radio2);        rb3 = (RadioButton) findViewById(R.id.radio3);        //默认显示的页面        addFragment(new Fragment_sy());        rb0.setTextColor(Color.RED);        rb1.setTextColor(Color.BLACK);        rb2.setTextColor(Color.BLACK);        rb3.setTextColor(Color.BLACK);        radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {            @Override            public void onCheckedChanged(RadioGroup radioGroup, @IdRes int i) {                switch (i) {                    case R.id.radio0:                        rb0.setTextColor(Color.RED);                        rb1.setTextColor(Color.BLACK);                        rb2.setTextColor(Color.BLACK);                        rb3.setTextColor(Color.BLACK);                        addFragment(new Fragment_sy());                        break;                    case R.id.radio1:                        rb0.setTextColor(Color.BLACK);                        rb1.setTextColor(Color.RED);                        rb2.setTextColor(Color.BLACK);                        rb3.setTextColor(Color.BLACK);                        addFragment(new Fragment_xf());                        break;                    case R.id.radio2:                        rb0.setTextColor(Color.BLACK);                        rb1.setTextColor(Color.BLACK);                        rb2.setTextColor(Color.RED);                        rb3.setTextColor(Color.BLACK);                        addFragment(new Fragment_tz());                        break;                    case R.id.radio3:                        rb0.setTextColor(Color.BLACK);                        rb1.setTextColor(Color.BLACK);                        rb2.setTextColor(Color.BLACK);                        rb3.setTextColor(Color.RED);                        addFragment(new Fragment_gd());                        break;                    default:                        break;                }            }        });    }    public void addFragment(Fragment fragment){        getSupportFragmentManager().beginTransaction().replace(R.id.framlay,fragment).commit();    }}
  1. 在build.gradle文件中添加 useLibrary 'org.apache.http.legacy' ，
添加完之后，点击右上角按钮，进行编译
Fragment_sy
package com.example.fragment;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.AsyncTask;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import com.example.Result;import com.example.week1_month11.R;import com.google.gson.Gson;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpGet;import org.apache.http.conn.ssl.AllowAllHostnameVerifier;import org.apache.http.conn.ssl.SSLSocketFactory;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.util.EntityUtils;import org.json.JSONArray;import org.json.JSONException;import java.io.IOException;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.util.ArrayList;import java.util.List;/** * Created by Earl on 2017/11/3. */public class Fragment_sy extends Fragment{    private String titleUrl = "https://www.toutiao.com/hot_words/";    private ImageView iv;    private List<Result.NewslistBean> newslist;    ArrayList<String> titleList = new ArrayList<>();    int flag = 0;    Handler  handler = new Handler(){        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);            int what = msg.what;            if (what ==1 ){                if(titleList !=null){                    int position = flag%titleList.size();                    tv.setText(titleList.get(position));                }                flag++;                sendMsg();            }        }    };    private ListView lv;    private TextView tv;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=View.inflate(getActivity(), R.layout.fragment1,null);        //初始化组件        lv = (ListView)view.findViewById(R.id.lv);        tv = (TextView)view.findViewById(R.id.tv);        new MlvAsyncTask().execute("https://api.tianapi.com/wxnew/?key=8d6e3228d25298f13af4fc40ce6c9679&num=10&page=1");        return  view;    }    @Override    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {        super.onViewCreated(view, savedInstanceState);        initTitlData();    }    /**     * 获取头条内容数据     */    private void initTitlData() {        new MTitleAsyncTask().execute(titleUrl);    }    private class MTitleAsyncTask extends AsyncTask<String,Void,String>{        @Override        protected String doInBackground(String... strings) {            String netJson = NetUtil.getNetJson(strings[0]);            return netJson;        }        @Override        protected void onPostExecute(String s) {            super.onPostExecute(s);            try {                JSONArray jsonArray = new JSONArray(s);                for (int i = 0; i < jsonArray.length(); i++) {                    Log.e("wzq", "onPostExecute: "+jsonArray.getString(i) );                    titleList.add(jsonArray.getString(i));                }                sendMsg();            } catch (JSONException e) {                e.printStackTrace();            }        }    }    public void sendMsg() {        //延迟发送消息;        handler.sendEmptyMessageDelayed(1,3000);    }    //网络获取数据    class MlvAsyncTask extends AsyncTask<String,Void,String> {        String str = "";        @Override        protected String doInBackground(String... strings) {            //因为请求的是https协议的网址，eclipse下使用HttpGet请求会报错，需要添加以下这行代码            SSLSocketFactory.getSocketFactory().setHostnameVerifier(new AllowAllHostnameVerifier());            //1.创建HttpClient            HttpClient hc = new DefaultHttpClient();            //2.创键HttpGet对象            HttpGet httpGet = new HttpGet(strings[0]);            //3.执行请求            try {                HttpResponse response = hc.execute(httpGet);                //4.得到结果吗                int code = response.getStatusLine().getStatusCode();                if(code==200){                    //5.得到结果数据                    HttpEntity result = response.getEntity();                    String string = EntityUtils.toString(result);                    str = string;                }            } catch (IOException e) {                e.printStackTrace();            }            return str;        }        @Override        protected void onPostExecute(String s) {            super.onPostExecute(s);            Log.e("TTTTAG",s+"++s");            Gson gson = new Gson();            Result jsonBean = gson.fromJson(s, Result.class);            newslist = jsonBean.getNewslist();            MAdapter mAdapter = new MAdapter();            lv.setAdapter(mAdapter);        }    }    //适配器    class MAdapter extends BaseAdapter {        @Override        public int getCount() {            return newslist.size();        }        @Override        public Object getItem(int i) {            return newslist.get(i);        }        @Override        public long getItemId(int i) {            return i;        }        class ViewHodel{            TextView text;            ImageView image;        }        @Override        public View getView(int i, View view, ViewGroup viewGroup) {            ViewHodel vh;            if(view ==null){                vh = new ViewHodel();                view = View.inflate(getActivity(),R.layout.lv_item,null);                vh.text = view.findViewById(R.id.tv_title);                vh.image=view.findViewById(R.id.img);                view.setTag(vh);            }else{                vh = (ViewHodel) view.getTag();            }            vh.text.setText(newslist.get(i).getTitle());            new MAsyncTaskImage(vh.image).execute(newslist.get(i).getPicUrl());            return view;        }    }    //网络获取图片    class MAsyncTaskImage extends AsyncTask<String,Void,Bitmap>{        ImageView image;        public MAsyncTaskImage(ImageView image) {            this.image = image;        }        @Override        protected Bitmap doInBackground(String... strings) {            try {                URL url = new URL(strings[0]);                HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();                int responseCode = urlConnection.getResponseCode();                if (responseCode==200){                    InputStream inputStream = urlConnection.getInputStream();                    Bitmap bitmap = BitmapFactory.decodeStream(inputStream);                    return bitmap;                }            } catch (MalformedURLException e) {                e.printStackTrace();            } catch (IOException e) {                e.printStackTrace();            }            return null;        }        @Override        protected void onPostExecute(Bitmap bitmap) {            super.onPostExecute(bitmap);            image.setImageBitmap(bitmap);        }    }}
Fragment_xf
package com.example.fragment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.week1_month11.R;/** * Created by Earl on 2017/11/3. */public class Fragment_xf extends Fragment{    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=View.inflate(getActivity(), R.layout.fragment2,null);        return view;    }}
Fragment_tz
package com.example.fragment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.week1_month11.R;/** * Created by Earl on 2017/11/3. */public class Fragment_tz extends Fragment{    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=View.inflate(getActivity(), R.layout.fragment3,null);        return view;    }}
Fragment_gd
package com.example.fragment;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import com.example.week1_month11.R;/** * Created by Earl on 2017/11/3. */public class Fragment_gd extends Fragment{    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=View.inflate(getActivity(), R.layout.fragment4,null);        return view;    }}
NetUtil
package com.example.fragment;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.util.Log;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;/** * Created by Earl on 2017/11/3. */public class NetUtil {    private static String tag = "getNetJson";    public static String getNetJson(String urlString) {        try {            //url对象封装接口字符串            URL url = new URL(urlString);            //用url打开连接, 返回值我们用HttpURLConnection            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();            urlConnection.setConnectTimeout(8000);//设置链接超时时间            int responseCode = urlConnection.getResponseCode(); //获取状态码            if (responseCode == 200) {                InputStream inputStream = urlConnection.getInputStream();                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));                //可拼接的字符串                StringBuilder stringBuilder = new StringBuilder();                String temp = "";                while ((temp = bufferedReader.readLine()) != null) {                    stringBuilder.append(temp);                }                String jsonString = stringBuilder.toString();                return jsonString;            } else {            }        } catch (MalformedURLException e) {            e.printStackTrace();            Log.e(tag, "getNetJson: " + e.toString());        } catch (IOException e) {            e.printStackTrace();            Log.e(tag, "getNetJson: " + e.toString());        }        return "";    }    /**     * 获取网络图片     *     * @param urlString     * @return     */    public static Bitmap getNetBitmap(String urlString) {        try {            URL url = new URL(urlString);            HttpURLConnection httpurlConnection = (HttpURLConnection) url.openConnection();            httpurlConnection.setConnectTimeout(8000);//设置链接超时时间            int responseCode = httpurlConnection.getResponseCode();            if (responseCode == 200) {                InputStream inputStream = httpurlConnection.getInputStream();                //BitmapFactory:  android提供好的加工图片的工具类,                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);                return bitmap;            } else {                //do nothing            }        } catch (MalformedURLException e) {            e.printStackTrace();            Log.e(tag, "getNetBitmap: " + e.toString());        } catch (IOException e) {            e.printStackTrace();            Log.e(tag, "getNetBitmap: " + e.toString());        }        return null;    }}
Result
package com.example;import java.util.List;/** * Created by Earl on 2017/11/3. */public class Result {    /**     * code : 200     * msg : success     * newslist : [{"ctime":"2017-11-03","title":"最完美的人生，是能够容忍不完美","description":"漫心情","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-25754123.static/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717646&signature=qDTqy52uavUgN4sWIvXWS4j5h92xczCGesCpk6n3Y5ou7vInJj2ALTfMwtoM5L2oSoMPdZjmCiHtLXj9rsXY2Iz-EI2SWqLAy5ZggzZxuJw="},{"ctime":"2017-11-03","title":"八句金言，很毒","description":"神州师说","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57294953.jpg/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717645&signature=Qg5-raqxU34DKd01*1BDO87b5MJo2CczA9eyfGrSLHhZ9Oo1hbK97YansNk6--H981fgkW7xK7STzPRCJmGnt5-eucfF898TtHhY7C0InZA="},{"ctime":"2017-11-03","title":"两性成熟的爱","description":"学做聪明女人","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57295024.static/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717645&signature=Yi4njbT9uzIEHXDf52ZWRRA-nWdwCdKuUJNR8fT-uZZ36JbCAkh5H8OU5IY26rxvGW9hNnZ-GAJzQZCW1EsQUkYeHdh5LhS9ZDSwwDWaKRY="},{"ctime":"2017-11-03","title":"被信任，请珍惜。","description":"正能量","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57294518.jpg/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717644&signature=TBDknITJQpIMQw-qrG0GG1kRMyhFY6f6nUYgyTl97G*7B8zqJ5uDWaGpjHRrSkms70w8UyVb45jDVfPpPbaZgLg9tnBJlHdiTFA9wWZcJ-8="},{"ctime":"2017-11-03","title":"人这一辈子\u2026\u2026","description":"正能量","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57297923.jpg/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717644&signature=giHfJPahwozDaoZpUfmMgDPtnzkG6D2H6x5S*dabgnLLP-tedpbz5d2oZnbTmXCQcva*ZGFdZq24Bht43daA5TVmUxbiZwBQNnAA9LgraEI="},{"ctime":"2017-11-03","title":"不忘人恩，不念人过，不思人非，不计人怨","description":"修心堂","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57292693.jpg/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717644&signature=ZxVbFJJfEfYut4JJHkBix-YU2cZquPZ0NYyVqxSjc3AWpRoX0UFoBWrUC9*dim8esnhWeFsYbdmj09i0wVRC1KIDqEzBjMvtZoowoSUVG00="},{"ctime":"2017-11-03","title":"不为往事扰，余生只愿笑","description":"修心堂","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57293328.jpg/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717643&signature=hS9vpxyMji5Gaw8tHc2ejqX0tZxOnjqbEyUqEbcejJDZizrE*iwXyst1WS9CeJRTQnpn0U3FqhAR27YTcRhponHBQRsv1wPtNEWpTahvzOM="},{"ctime":"2017-11-03","title":"丰富自己，比取悦别人更有力量","description":"修心堂","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57293437.jpg/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717643&signature=asd0I8QHbJYHeqVT*51kmBy72n*WfAeXe*Rk*PXnU8ueXgDkopQV2Ac2krIhutVUznP*rlxlJzfmp*nULdxXt6GI2Sxlu8cs3QpkXX2szeE="},{"ctime":"2017-11-03","title":"以后不熬夜了，漂亮比你重要，晚安~（一周精选&十一月第一期）","description":"拯救地球的蛋蛋君","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57292924.jpg/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717643&signature=Sc5i4bIJ3uT75Du9qSbGv*XPysSoP3giqI0pnthNnWRMV8X4yIL3hozL-KgNie2P-83Vu-BB0bXvgAv60e59-0q3SA-yL0WY1BFXDSU4PMk="},{"ctime":"2017-11-03","title":"与自己的灵魂交谈","description":"玫瑰音悦台","picUrl":"https://zxpic.gtimg.com/infonew/0/wechat_pics_-57292338.jpg/640","url":"https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717642&signature=qaE3OdYwHfo1k6XXaFsOy1ah1u4TYnLNh1m868-Yi8t-Wbkh64eg*u17i2IyJRw57baHDB5E7BA5BV-HH5Zx9cV2tUvp6G*BMQ4vpWTQgm8="}]     */    private int code;    private String msg;    private List<NewslistBean> newslist;    public int getCode() {        return code;    }    public void setCode(int code) {        this.code = code;    }    public String getMsg() {        return msg;    }    public void setMsg(String msg) {        this.msg = msg;    }    public List<NewslistBean> getNewslist() {        return newslist;    }    public void setNewslist(List<NewslistBean> newslist) {        this.newslist = newslist;    }    public static class NewslistBean {        /**         * ctime : 2017-11-03         * title : 最完美的人生，是能够容忍不完美         * description : 漫心情         * picUrl : https://zxpic.gtimg.com/infonew/0/wechat_pics_-25754123.static/640         * url : https://mp.weixin.qq.com/s?src=16&ver=466×tamp=1509717646&signature=qDTqy52uavUgN4sWIvXWS4j5h92xczCGesCpk6n3Y5ou7vInJj2ALTfMwtoM5L2oSoMPdZjmCiHtLXj9rsXY2Iz-EI2SWqLAy5ZggzZxuJw=         */        private String ctime;        private String title;        private String description;        private String picUrl;        private String url;        public String getCtime() {            return ctime;        }        public void setCtime(String ctime) {            this.ctime = ctime;        }        public String getTitle() {            return title;        }        public void setTitle(String title) {            this.title = title;        }        public String getDescription() {            return description;        }        public void setDescription(String description) {            this.description = description;        }        public String getPicUrl() {            return picUrl;        }        public void setPicUrl(String picUrl) {            this.picUrl = picUrl;        }        public String getUrl() {            return url;        }        public void setUrl(String url) {            this.url = url;        }    }}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    tools:context="com.example.week1_month11.MainActivity">   <FrameLayout       android:layout_width="match_parent"       android:layout_height="match_parent"       android:layout_weight="1"       android:id="@+id/framlay"       ></FrameLayout>    <RadioGroup        android:id="@+id/rg"        android:layout_width="match_parent"        android:layout_height="30dp"        android:orientation="horizontal">        <RadioButton            android:id="@+id/radio0"            android:layout_width="0dp"            android:layout_height="match_parent"            android:layout_weight="1"            android:button="@null"            android:gravity="center"            android:text="首页"            android:textSize="25sp" />        <RadioButton            android:id="@+id/radio1"            android:layout_width="0dp"            android:layout_height="match_parent"            android:layout_weight="1"            android:button="@null"            android:gravity="center"            android:text="想法"            android:textSize="25sp" />        <RadioButton            android:id="@+id/radio2"            android:layout_width="0dp"            android:layout_height="match_parent"            android:layout_weight="1"            android:button="@null"            android:gravity="center"            android:text="通知"            android:textSize="25sp" />        <RadioButton            android:id="@+id/radio3"            android:layout_width="0dp"            android:layout_height="match_parent"            android:layout_weight="1"            android:button="@null"            android:gravity="center"            android:text="更多"            android:textSize="25sp" />    </RadioGroup></LinearLayout>
fragment1.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent">    <LinearLayout        android:layout_width="match_parent"        android:layout_height="60dp"        android:orientation="horizontal">        <ImageView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:src="@mipmap/ic_launcher"/>        <TextView            android:layout_width="match_parent"            android:layout_height="match_parent"            android:gravity="center"            android:id="@+id/tv"/>    </LinearLayout>    <ListView        android:layout_width="match_parent"        android:layout_height="match_parent"        android:id="@+id/lv"></ListView></LinearLayout>
fragment2.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="#33ffcc"></LinearLayout>
fragment3.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="#ccff00"></LinearLayout>
fragment4.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical" android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="#0066ff"></LinearLayout>
lv_item.xml
<?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="match_parent">    <ImageView        android:layout_width="80dp"        android:layout_height="80dp"        android:id="@+id/img"        android:src="@mipmap/ic_launcher"/>    <TextView        android:layout_width="match_parent"        android:layout_height="80dp"        android:id="@+id/tv_title"        android:textSize="25sp"        android:text="dssd"/></LinearLayout>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.week1_month11">    <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>












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