Fragment usage

<LinearLayout
    android:id="@+id/title0"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginLeft="10dp"
    android:layout_marginRight="10dp"
    android:background="#181c33"
    android:orientation="horizontal"
    android:layout_weight="2"
    >
    <fragment
        android:id="@+id/fragment1"
        android:name="ray.lingye.ItemFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1" />


</LinearLayout>

package ray.lingye;

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.SimpleAdapter;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


public class ItemFragment extends Fragment {
    private ListView listview;
    private SimpleAdapter adapter;
    private List<Map<String,Object>> lists;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        View view = inflater.inflate(R.layout.fragment_item, container, false);
        listview=view.findViewById(R.id.testDataList);
        bindData();
        return view;
    }
    private void bindData(){

        String[] states = {"正常","正常","正常","正常","正常","正常","正常","正常","正常"};
        String[] groups = {"第1组","第2组","第3组","第4组","第5组","第6组","第7组","第8组","第9组"};
        String[] students ={"李四,张三,李四,张三","李四,张三,李四,张三","李四,张三,李四,张三","李四,张三,李四,张三","李四,张三,李四,张三","李四,张三,李四,张三","李四,张三,李四,张三","李四,张三,李四,张三","李四,张三,李四,张三"};
        String[] times = {"2019-01-01","2019-01-01","2019-01-01","2019-01-01","2019-01-01","2019-01-01","2019-01-01","2019-01-01","2019-01-01"};

        lists = new ArrayList<>();
        for(int i = 0;i < states.length;i++){
            Map<String,Object> map =new HashMap<>();
            map.put("groups",groups[i]);
            map.put("states",states[i]);
            map.put("students",students[i]);
            map.put("times",times[i]);
            lists.add(map);
        }
        for(int i = 0;i < states.length;i++){
            Map<String,Object> map =new HashMap<>();
            map.put("groups",groups[i]);
            map.put("states",states[i]);
            map.put("students",students[i]);
            map.put("times",times[i]);
            lists.add(map);
        }
        for(int i = 0;i < states.length;i++){
            Map<String,Object> map =new HashMap<>();
            map.put("groups",groups[i]);
            map.put("states",states[i]);
            map.put("students",students[i]);
            map.put("times",times[i]);
            lists.add(map);
        }
        for(int i = 0;i < states.length;i++){
            Map<String,Object> map =new HashMap<>();
            map.put("groups",groups[i]);
            map.put("states",states[i]);
            map.put("students",students[i]);
            map.put("times",times[i]);
            lists.add(map);
        }
        adapter = new SimpleAdapter(getActivity(),lists,R.layout.activity_main_item
                ,new String[]{"groups","states","students","times"}
                ,new int[]{R.id.itemGroupName,R.id.itemState,R.id.itemStudents,R.id.itemTime});

        listview.setAdapter(adapter);


    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".ItemFragment">

    <!-- TODO: Update blank fragment layout -->
    <TextView
        android:layout_width="match_parent"
        android:layout_height="18dp"
        android:background="#FBC4F5"
        android:text="@string/hello_blank_fragment" />
    <LinearLayout
    android:id="@+id/title0"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginLeft="10dp"
    android:layout_marginRight="10dp"
    android:background="#3483FA"
    android:orientation="horizontal"
    >

    <ListView
    android:id="@+id/testDataList"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:divider="#181c33"
    android:dividerHeight="10dp"
    android:orientation="vertical" />

    </LinearLayout>
</LinearLayout>