列表显示ListView

1、团队：夏继媛 晏凯 唐建东 吴丽春 许亚兰 张立涓智 能 家 居 系 统Smart Home System列表视图ListViewl功能特性l类继承结构l属性方法l操作使用功能特性功能特性示例n将多个组件加入ListView之中实现数据列表显示并可滚动显示效果n可在Activity中使用ListView控件，也可让Activity继承ListActivity类实现简单列表操作n列表显示的数据使用ArrayAdapter和SimpleAdapter进行封装n列表操作也可以进行事件的监听处理特性类继承结构类继承结构ListViewExpandableListViewjava.lang.Object

2、 android.view.View android.view.ViewGroup android.widget.AdapterView android.widget.AbsListView android.widget.ListViewNo.属性名称类型描述1public ListView(Context context)构造创建实例化对象2public void setAdapter(ListAdapter adapter)普通设置显示的数据3public ListAdapter getAdapter()普通返回ListAdapter4public void setOnItemSelect

3、edListener (AdapterView.OnItemSelectedListener listener)普通当选项选中时触发5public void setOnItemClickListener(AdapterView.OnItemClickListener listener)普通选项单击时触发6public void setOnItemLongClickListener(AdapterView.OnItemLongClickListener listener)普通选项长按时触发属性方法属性方法操作使用操作使用String data = new String 01, “1111111

4、, 02, “2222222 , 03, “3333333 , “04”, “4444444 , 05, “5555555 , 06, “6666666 , 07, “7777777 , 08, “8888888 , 09, “9999999 ; ListView listView; listView.setAdapter(new ArrayAdapter(this,android.R.layout.simple_expandable_list_item_1, this.data);super.setContentView(this.listView); 源码案例1简单列表2SimpleAda

5、pter适配列表datalistXML2SimpleAdapter适配列表ListViewXML2SimpleAdapter适配列表private String data = new String 01, “1111111 , 02, “2222222 , 03, “3333333 , “04”, “4444444 , 05, “5555555 , 06, “6666666 , 07, “7777777 , 08, “8888888 , 09, “9999999 ; private ListMap list = new ArrayListMap(); ListView datalist = (

6、ListView) super.findViewById(R.id.datalist) ;TextView info = (TextView) super.findViewById(R.) ;for (int x = 0; x this.data.length; x+) Map map = new HashMap();map.put(“_id”, datax0); map.put(“name”, datax1); list.add(map); SimpleAdapter simpleAdapter = new SimpleAdapter(this, this.list,R.lay

7、out.data_list, new String “_id”, “name” , new int R.id._id, R. );datalist.setAdapter(this.simpleAdapter) ;datalist.setOnItemClickListener(new OnItemClickListener () Overridepublic void onItemClick(AdapterView parent, View view,int position, long id) Map map = (Map) MyListViewDemo.this.simpleA

8、dapter.getItem(position) ;String _id = map.get(“_id”) ;String name = map.get(name) ;MyListViewD.setText(“选中数据ID：“ + _id + ，名称是： + name);) ;Activity显示No.方法类型描述1public void setListAdapter(ListAdapter adapter)普通设置ListAdapter集合2public ListAdapter getListAdapter()普通得到所设置的ListAdapter3public L

9、istView getListView()普通得到所包含的ListView组件3ListActivity列表datalistXML3ListActivity列表public class MyListViewDemo extends ListActivity / 继承ListActivity类private String data = new String 01, “1111111 , 02, “2222222 , 03, “3333333 , “04”, “4444444 , 05, “5555555 , 06, “6666666 , 07, “7777777 , 08, “8888888 ,

10、 09, “9999999 ; private ListMap list = new ArrayListMap(); private SimpleAdapter simpleAdapter = null; Overridepublic void onCreate(Bundle savedInstanceState) super.onCreate(savedInstanceState);for (int x = 0; x this.data.length; x+) Map map = new HashMap();map.put(“_id”, datax0); map.put(“name”, datax1this.list.add(map); this.simpleAdapter = new SimpleAdapter(this, thi