ListView

Myth丶恋晨 2024-02-18 18:56 31阅读 0赞

![Center][]

**mainlayout.xml:**

**UserLayout.xml：**

**ListView.java：**

public class MainActivity extends ListActivity {
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            
            ArrayList<HashMap<String, String>> list = new ArrayList<HashMap<String,String>>();
            HashMap<String, String> map1 = new HashMap<String, String>();
            HashMap<String, String> map2 = new HashMap<String, String>();
            HashMap<String, String> map3 = new HashMap<String, String>();
            
            map1.put("user_name", "zhangsan");
            map1.put("user_ip", "192.168.1.1");
            
            map2.put("user_name", "lisi");
            map2.put("user_ip", "192.168.1.1");
            
            map3.put("user_name", "wangwu");
            map3.put("user_ip", "192.168.1.1");
            
            list.add(map1);
            list.add(map2);
            list.add(map3);
            // 通过适配器将数据显示到ListView
            SimpleAdapter listAdapter = new SimpleAdapter(
            		this, list, R.layout.user, 
            		new String[]{"user_name", "user_ip"},
            		new int[]{R.id.user_name, R.id.user_ip});
            setListAdapter(listAdapter);
        }
    	@Override
    	protected void onListItemClick(ListView l, View v, int position, long id) {
    		// TODO Auto-generated method stub
    		super.onListItemClick(l, v, position, id);
    		
    		System.out.println("id = " + id);
    		System.out.println("postition = " + position);
    	}
    }

[Center]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/caad62e55fda44b89a4ce709a7076754.png