安卓app_sl3_24实现带图标的ListView列表视图

安卓app_sl3_24实现带图标的ListView列表视图

//实现带图标的ListView列表视图
//MainActivity.java
package com.example.sl3_24;

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

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ListView listview=(ListView)findViewById(R.id.listView1);
        int[] imageId=new int[]{R.drawable.img01,R.drawable.img02,R.drawable.img03,
                R.drawable.img04,R.drawable.img05,R.drawable.img06,R.drawable.img07,
                R.drawable.img08};
        String[] title=new String[]{"保密设置","安全","系统设置","上网","我的文档","GPS导航","我的音乐","E-mail"};
        List<Map<String,Object>> listItems=new ArrayList<Map<String,Object>>();
        for(int i=0;i<imageId.length;i++)
        {
            Map<String,Object> map=new HashMap<String,Object>();
            map.put("image", imageId[i]);
            map.put("title", title[i]);
            listItems.add(map);
            
        }
        //简单适配器
        SimpleAdapter adapter=new SimpleAdapter(this,listItems,R.layout.items,new String[]{"title","image"}
        ,new int[]{R.id.title,R.id.image});
        listview.setAdapter(adapter);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

<!-- activity_main.xml -->
<RelativeLayout 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.sl3_24.MainActivity" >

    <ListView
        android:id="@+id/listView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true" >

    </ListView>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
 <!-- items.xml -->
<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:id="@+id/image" 
    android:paddingRight="10px"
    android:paddingTop="20px"
    android:paddingBottom="20px"
    android:adjustViewBounds="true"
    android:maxWidth="72px"
    android:maxHeight="72px"
    android:layout_height="wrap_content" 
    android:layout_width="wrap_content"/>  
 <TextView  
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:padding="10px"
    android:layout_gravity="center"
    android:id="@+id/title"
    />     
</LinearLayout>