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>