Android ListView的简单实现

Android

Google官方文档

http://developer.android.com/reference/android/widget/ListView.html
http://developer.android.com/reference/android/app/ListActivity.html

简单例子

public class MainActivity extends ListActivity {
    List<String> data = new ArrayList<String>();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        data.add("1");
        data.add("2");
        data.add("3");
        data.add("4");
        setListAdapter(new ArrayAdapter<String>(MainActivity.this,
                android.R.layout.simple_list_item_1, data));
    }
    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        // super.onListItemClick(l, v, position, id);
        System.out.println("你单击了：" + data.get(position));
    }
}

详细说明

ArrayAdapter参数：

android.widget.ArrayAdapter.ArrayAdapter<String>(Context context, int textViewResourceId, List<String> objects)

• context：The current context
• textViewResourceId：The resource ID for a layout file containing a TextView to use when instantiating views.
• objects：The objects to represent in the ListView.

适配器种类：

• ArrayAdapter：显示一行字
• SimpleAdapter：可以自定义各种效果
• SimpleCursorAdapter：SimpleAdapter对数据库的简单结合