ListView-SimpleAdaptor

源文件

public class MainActivity extends ListActivity {

    @Override
    protected  void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);

        final Context context = this;

        //数据
        final String[] names = new String[]{"张三","李四","王五"};
        String[] desc = new String[]{"张三好","李四坏","王五中庸"};
        int[] imageId = new int[]{R.mipmap.screen_low,R.mipmap.screen_low,R.mipmap.screen_low};

        //列表项摆放顺序 = ArrayList数据的顺序
        List<Map<String,Object>> listItems = new ArrayList<Map<String,Object>>();
        for(int i = 0 ; i<names.length;i++){
            Map<String,Object> listItem = new HashMap<String,Object>();

            listItem.put("header",imageId[i]);
            listItem.put("name",names[i]);
            listItem.put("desc",desc[i]);

            listItems.add(listItem);
        }

        SimpleAdapter simpleAdapter = new SimpleAdapter(this,
                listItems,
                R.layout.comp_simpleadapter,
                //列表项中数据和布局对应关系
                new String[]{"header","name","desc"},
                new int[]{R.id.header,R.id.name,R.id.desc});

        setListAdapter(simpleAdapter);

        ///////////////////////////////////////////////////////////////////
        //点击事件：列表项添加单击监听器
        this.getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                String name = names[position];
                Toast.makeText(context,name+"被点击了",Toast.LENGTH_SHORT).show();
            }
        });
    }
}

列表项视图文件

<?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="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/header" />

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal">
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/name"/>
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/desc"/>
    </LinearLayout>
</LinearLayout>