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android listview simpleAdaper

xml (主)

<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"    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=".MainDemo" >    <TextView        android:id="@+id/info"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="" />        <ListView        android:id="@+id/listView1"        android:layout_width="match_parent"        android:layout_height="wrap_content" >    </ListView></LinearLayout>

xml 数据

<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="horizontal"    tools:context=".MainActivity"    android:id="@+id/datalist">            <ImageView          android:id="@+id/pic"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_gravity="left"         android:src="@drawable/ic_launcher"/>            <LinearLayout               android:layout_width="180px"       android:layout_height="wrap_content"       android:orientation="vertical"       tools:context=".MainActivity"       android:gravity="left">        <TextView        android:id="@+id/company"       android:textSize="16px"       android:padding="3px"       android:layout_width="wrap_content"       android:layout_height="wrap_content"/>      <TextView        android:id="@+id/ceo"       android:padding="3px"       android:textSize="10px"       android:layout_width="wrap_content"       android:layout_height="wrap_content"/>   </LinearLayout>    <LinearLayout              android:layout_width="200px"       android:layout_height="wrap_content"       android:orientation="vertical"       tools:context=".MainActivity"       android:gravity="left">        <TextView        android:id="@+id/type"       android:textSize="16px"       android:padding="1px"       android:layout_width="wrap_content"       android:layout_height="wrap_content"/>      <ImageView        android:id="@+id/score"       android:padding="1px"       android:layout_width="wrap_content"       android:layout_height="wrap_content"/>      </LinearLayout></LinearLayout>

java 

package app.android.MainDemo;import android.os.Bundle;import java.text.Collator;import java.util.ArrayList;import java.util.Collections;import java.util.Comparator;import java.util.HashMap;import java.util.List;import java.util.Map;import android.app.Activity;import android.app.ListActivity;import android.content.Intent;import android.content.pm.PackageManager;import android.content.pm.ResolveInfo;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ListView;import android.widget.SimpleAdapter;import android.widget.TextView;import android.widget.Toast;public class MainDemo extends Activity {    private int pic[]=new int[]            {            R.drawable.ic_launcher,            R.drawable.ic_launcher,            R.drawable.ic_launcher,            R.drawable.ic_launcher,            R.drawable.ic_launcher,            R.drawable.ic_launcher,            };        private String data[][]=new String[][]            {            {"百度","李彦宏","搜索",R.drawable.ic_launcher+""},            {"阿里巴巴","马云","电子商务",R.drawable.ic_launcher+""},            {"腾讯","马化腾","社交网络",R.drawable.ic_launcher+""},            {"新浪","曹国伟","社交媒体",R.drawable.ic_launcher+""},            {"腾讯","马化腾","社交网络",R.drawable.ic_launcher+""},            {"新浪","曹国伟","社交媒体",R.drawable.ic_launcher+""},            };                        private ListView dataList=null;            private List<Map<String,String>> list=new ArrayList<Map<String,String>>();            private SimpleAdapter simpleAdapter=null;            private TextView info=null;                       @Override    protected void onCreate(Bundle savedInstanceState)     {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main_demo);               this.dataList=(ListView) super.findViewById(R.id.datalist);                this.info=(TextView)super.findViewById(R.id.info);        ////      //将我们每一条记录添加到我们的Map当中        for(int i=0;i<data.length;i++){        //定义我们的Map数据        Map<String,String> map=new HashMap<String, String>();        //添加数据                map.put("pic", String.valueOf(pic[i]));        map.put("company",data[i][0]);        map.put("ceo", data[i][1]);        map.put("type", data[i][2]);        map.put("score", data[i][3]);        this.list.add(map);        }                this.simpleAdapter=new SimpleAdapter                (                this,                 this.list,                 R.layout.maindemo_datalist,                 new String[]{"pic","company","ceo","type","score"},                 new int[]{R.id.pic,R.id.company,R.id.ceo,R.id.type,R.id.score}                );      this.dataList.setAdapter(simpleAdapter);      this.dataList.setOnItemClickListener(new  OnItemClickListener()       {        @Override        public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {                        @SuppressWarnings("unchecked")            Map<String,String> map=(Map<String, String>)           MainDemo.this.simpleAdapter.getItem(arg2);                        Toast.makeText(MainDemo.this, "onItemClick=>:"+arg2, 3000).show();                        String company=map.get("company");            String ceo=map.get("ceo");            String type=map.get("type");            MainDemo.this.info.setText("您选择的公司是:=>"+company+"ceo为"+ceo+"type:"+type);                    }    });          }      }

效果:

 

android listview simpleAdaper