关于多条目 xlistview

Posted 2020-11-01 sdfkjg

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activity_main

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout 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:id="@+id/myDrawer"
    tools:context="zhanghaijiao.bawei.com.zhonghelianxi.MainActivity">

    <!--主内容区域-->
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <RadioGroup
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            android:layout_alignParentBottom="true"
            android:background="#00f"
            android:id="@+id/rg">
            <RadioButton
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:text="首页"
                android:button="@null"
                android:layout_weight="1"
                android:gravity="center"
                android:id="@+id/rb_index"/>
            <RadioButton
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:text="资讯"
                android:button="@null"
                android:layout_weight="1"
                android:gravity="center"
                android:id="@+id/rb_news"/>
            <RadioButton
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:text="设置"
                android:button="@null"
                android:layout_weight="1"
                android:gravity="center"
                android:id="@+id/rb_set"/>

        </RadioGroup>

        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/fcontent"
            android:layout_above="@id/rg"></FrameLayout>




    </RelativeLayout>
    <!--菜单区域-->
    <LinearLayout
        android:layout_width="180dp"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:background="#eee">

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@mipmap/ic_launcher"/>

    </LinearLayout>

</android.support.v4.widget.DrawerLayout>

main_activity

package zhanghaijiao.bawei.com.zhonghelianxi;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.RadioGroup;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        RadioGroup radioGroup=findViewById(R.id.rg);

        //默认显示首页的fragement
        getSupportFragmentManager().beginTransaction().replace(R.id.fcontent,new IndexFragment()).commit();

        radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int i) {
                switch (i){
                    case R.id.rb_index:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fcontent,new IndexFragment()).commit();
                        break;
                    case R.id.rb_news:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fcontent,new NewsFragment()).commit();
                        break;
                    case R.id.rb_set:
                        getSupportFragmentManager().beginTransaction().replace(R.id.fcontent,new SetFragment()).commit();
                        break;
                }
            }
        });
    }


}

NewsFragment

package zhanghaijiao.bawei.com.zhonghelianxi;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

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

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

public class NewsFragment extends Fragment {

    private TabLayout myTab;
    private ViewPager viewPager;
    private List<DataType> menus;



    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
       View v=inflater.inflate(R.layout.news,container,false);
        myTab = v.findViewById(R.id.myTab);
        viewPager = v.findViewById(R.id.vp);
        return v;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        //初使化菜单内容
        initMenus();

        //getSupportFragmentManager
        //getChildFragmentManager:在嵌套的fragment中获取管理类对象
        //getFragmentManager(); 在多层嵌套的fragment中获取管理类对象

        //设置适配器
        MyVpAdapter adapter=new MyVpAdapter(getChildFragmentManager());
        viewPager.setAdapter(adapter);

        //进行关联
        myTab.setupWithViewPager(viewPager);





    }

    class MyVpAdapter extends FragmentPagerAdapter{

        public MyVpAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public CharSequence getPageTitle(int position) {
            //注意：返回是的title
            return menus.get(position).getTitle();
        }

        @Override
        public Fragment getItem(int position) {

            ContentFragment contentFragment=new ContentFragment();

            //将类型传递过去
            Bundle bundle=new Bundle();
            bundle.putString("type",menus.get(position).getType());
            contentFragment.setArguments(bundle);

            return contentFragment;
        }

        @Override
        public int getCount() {
            return menus.size();
        }
    }

    private void initMenus() {
        menus=new ArrayList<>();
        menus.add(new DataType("数据新闻","xbsjxw"));
        menus.add(new DataType("快讯","txs"));
        menus.add(new DataType("头条","toutiao"));
        menus.add(new DataType("精编公告","news/mobile/jbgg"));
        menus.add(new DataType("美股","news/mobile/mgxw"));
        menus.add(new DataType("港股","news/mobile/ggxw"));
        menus.add(new DataType("基金","news/mobile/jjxw"));
        menus.add(new DataType("理财","news/mobile/lcxw"));



    }
}

ContentFragment

import com.google.gson.reflect.TypeToken;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.Type;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;

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

public class ContentFragment extends Fragment {

    private XListView xListView;
    private int pageIndex=1;
    private int operType=1;//1:刷新 2：加载更多

    private String myUrl;

    private List<ResultData.DataBean> datas;
    private MyAdapter adapter;
    private String type;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
       View v=inflater.inflate(R.layout.content,container,false);
        xListView = v.findViewById(R.id.xlv);

        datas=new ArrayList<>();


       return v;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        //初使化
        initXLv();

        //接收参数
        Bundle arguments = getArguments();
        type = arguments.getString("type");

        //拼接url地址
        myUrl="http://mnews.gw.com.cn/wap/data/news/"+ type +"/page_"+pageIndex+".json";

        //请求网络数据
        requestNetData();




    }

    private void requestNetData() {
        MyTask myTask=new MyTask();
        myTask.execute(myUrl);
    }

    class MyTask extends AsyncTask<String,Void,String>{

        @Override
        protected String doInBackground(String... strings) {
            try {
                URL url=new URL(strings[0]);
                HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
                urlConnection.setRequestMethod("GET");
                urlConnection.setConnectTimeout(5000);
                urlConnection.setReadTimeout(5000);

                if(urlConnection.getResponseCode()==200){
                    InputStream inputStream = urlConnection.getInputStream();
                    String s = streamToString(inputStream);
                    return  s;

                }

            } catch (Exception e) {
                e.printStackTrace();
            }

            return null;
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);

            List<ResultData> lists=new ArrayList<>();
            //得到type对象
            Type t=new TypeToken<List<ResultData>>(){}.getType();

            //对数组数据json 的解析
            Gson gson=new Gson();
            lists=gson.fromJson(s,t);

            //选择出 列表 要显示的数据源
            List<ResultData.DataBean> data = lists.get(0).getData();

            if(operType==1){
                datas.clear();//刷新时，清空所有数据
            }

            //添加新数据过来
            datas.addAll(data);

            setAdapter();

            if(operType==1){
                xListView.stopRefresh();
                //设置刷新时间
            }else{
                xListView.stopLoadMore();
            }









        }
    }

    private  void setAdapter(){
        if(adapter==null){
            //设置适配器
            adapter = new MyAdapter(datas,getActivity());
            xListView.setAdapter(adapter);
        }else{
            adapter.notifyDataSetChanged();
        }

    }

    private String streamToString(InputStream stream) {
        StringBuilder sbuilder=new StringBuilder();
        String str;
        BufferedReader reader=new BufferedReader(new InputStreamReader(stream));

        try {
            while ((str=reader.readLine())!=null){
                sbuilder.append(str);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return  sbuilder.toString();

    }

    private void initXLv() {
        xListView.setPullRefreshEnable(true);//下拉刷新
        xListView.setPullLoadEnable(true);//上拉加载
        xListView.setXListViewListener(new XListView.IXListViewListener() {
            @Override
            public void onRefresh() {
                pageIndex=1;
                myUrl="http://mnews.gw.com.cn/wap/data/news/"+ type +"/page_"+pageIndex+".json";
                operType=1;

                requestNetData();

            }

            @Override
            public void onLoadMore() {
                pageIndex++;
                myUrl="http://mnews.gw.com.cn/wap/data/news/"+ type +"/page_"+pageIndex+".json";
                operType=2;

                requestNetData();


            }
        });
    }
}

IndexFragment

package zhanghaijiao.bawei.com.zhonghelianxi;

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;

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

public class IndexFragment extends Fragment {
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
       View v=inflater.inflate(R.layout.index,container,false);
        return v;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
    }
}

DataType

package zhanghaijiao.bawei.com.zhonghelianxi;

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

public class DataType {
    private String title;
    private String type;

    public DataType(String title, String type) {
        this.title = title;
        this.type = type;
    }

    public String getTitle() {
        return title;
    }

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

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }
}

MyAdapter

package zhanghaijiao.bawei.com.zhonghelianxi;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import java.util.List;

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

public class MyAdapter extends BaseAdapter {
    private List<ResultData.DataBean> data;
    private Context context;



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

    @Override
    public int getCount() {
        return data.size();
    }

    @Override
    public Object getItem(int i) {
        return data.get(i);
    }

    @Override
    public long getItemId(int i) {
        return i;
    }

    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
        ViewHolder holder;
        if(view==null){
            view=View.inflate(context,R.layout.item,null);
            holder=new ViewHolder();
            holder.textView=view.findViewById(R.id.tv_title);
            view.setTag(holder);
        }else {
            holder= (ViewHolder) view.getTag();
        }
        holder.textView.setText(data.get(i).getTitle());
        return view;
    }
    class ViewHolder{
        TextView textView;
    }
}

ResultData

略过

newsitems

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    >
<!--横向滑动菜单 -->
    <android.support.design.widget.TabLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/myTab"
        app:tabGravity="center"
        app:tabIndicatorColor="@color/colorAccent"
        app:tabMode="scrollable"
        app:tabSelectedTextColor="@color/colorPrimaryDark"
        app:tabTextColor="@color/colorPrimary"></android.support.design.widget.TabLayout>

    <!--viewPager组件-->
    <android.support.v4.view.ViewPager
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/vp"
        android:layout_below="@+id/myTab"></android.support.v4.view.ViewPager>



</RelativeLayout>

setitem

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent" android:layout_height="match_parent"
    android:background="#0ff">

</RelativeLayout>

contentitem

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent" android:layout_height="match_parent"
   >
    <com.bawei.jane.mxlistview.view.XListView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/xlv"
        >

    </com.bawei.jane.mxlistview.view.XListView>



</RelativeLayout>

indexitem

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent" android:layout_height="match_parent"
    android:background="#fae">

</RelativeLayout>

items

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

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/tv_title"/>

</RelativeLayout>

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