• ListView simple adapter


    layout代码:

    <?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:paddingBottom="@dimen/activity_vertical_margin"
        android:paddingLeft="@dimen/activity_horizontal_margin"
        android:paddingRight="@dimen/activity_horizontal_margin"
        android:paddingTop="@dimen/activity_vertical_margin"
        tools:context="com.example.my.myapplication.TestActivity4">
    
        <ListView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/lv_2">
    
        </ListView>
    </LinearLayout>
    View Code

    Activity代码:

    package com.example.my.myapplication;
    
    import android.os.Bundle;
    import android.support.v7.app.AppCompatActivity;
    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 TestActivity4 extends AppCompatActivity {
    
        ListView lv_2;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_test4);
    
            lv_2=(ListView)findViewById(R.id.lv_2);
    
            //1.数据集合 layout文件
    
            List<Map<String,Object>> lm=new ArrayList<Map<String, Object>>();
    
            Map<String,Object> map=new HashMap<String,Object>();
            map.put("img",R.drawable.f1);
            map.put("name","美食1");
            map.put("content","美食1的介绍");
            lm.add(map);
    
            map=new HashMap<String,Object>();
            map.put("img",R.drawable.f2);
            map.put("name","美食2");
            map.put("content","美食2的介绍");
            lm.add(map);
    
    
            map=new HashMap<String,Object>();
            map.put("img",R.drawable.f3);
            map.put("name","美食3");
            map.put("content","美食3的介绍");
            lm.add(map);
    
    
            map=new HashMap<String,Object>();
            map.put("img",R.drawable.f4);
            map.put("name","美食4");
            map.put("content","美食4的介绍");
            lm.add(map);
    
    
            map=new HashMap<String,Object>();
            map.put("img",R.drawable.f5);
            map.put("name","美食5");
            map.put("content","美食5的介绍");
            lm.add(map);
    
    
            map=new HashMap<String,Object>();
            map.put("img",R.drawable.f6);
            map.put("name","美食6");
            map.put("content","美食6的介绍");
            lm.add(map);
    
    
            map=new HashMap<String,Object>();
            map.put("img",R.drawable.f7);
            map.put("name","美食7");
            map.put("content","美食7的介绍");
            lm.add(map);
    
    
            map=new HashMap<String,Object>();
            map.put("img",R.drawable.f8);
            map.put("name","美食8");
            map.put("content","美食8的介绍");
            lm.add(map);
    
    
            map=new HashMap<String,Object>();
            map.put("img",R.drawable.f9);
            map.put("name","美食9");
            map.put("content","美食9的介绍");
            lm.add(map);
    
    
            //数组 key的数据
            String [] strings={"img","name","content"};
            int[] ids={R.id.iv_1,R.id.tv_7,R.id.tv_8};
            //2.创建
            SimpleAdapter simpleAdapter =new SimpleAdapter(this,lm,R.layout.simple_adapter,strings,ids);
            lv_2.setAdapter(simpleAdapter);
        }
    }
    View Code

    Item布局代码:

    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="horizontal" android:layout_width="match_parent"
        android:layout_height="match_parent">
    
    
        <ImageView
            android:layout_width="70dp"
            android:layout_height="70dp"
            android:src="@drawable/f1"
            android:id="@+id/iv_1"/>
        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical"
            android:layout_marginLeft="10dp"
            android:gravity="center_vertical">
    
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="名字=aaa"
                android:id="@+id/tv_7"/>
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="内容=aaa"
                android:id="@+id/tv_8"/>
        </LinearLayout>
    </LinearLayout>
    View Code

    效果图:

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  • 原文地址:https://www.cnblogs.com/beens/p/5501962.html
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