<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="fill_parent"android:layout_height="fill_parent"android:orientation="vertical" ><!-- android:transcriptMode 设置成alwaysScroll，这样点击添加按钮后会自动滚动到最后 --><ListViewandroid:id="@+id/listView1"android:layout_width="match_parent"android:layout_height="wrap_content"android:choiceMode="singleChoice"android:background="@color/color1"android:divider="#000"android:dividerHeight="1dp"android:transcriptMode="alwaysScroll"></ListView>
</LinearLayout>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="fill_parent"android:layout_height="fill_parent" ><Buttonandroid:id="@+id/button1"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_alignParentTop="true"android:layout_centerHorizontal="true"android:text="加载更多" /></RelativeLayout>

public class MainActivity extends Activity {ListView lv;Button btn;ArrayList<String> list;ArrayAdapter<String> items;int index=1;protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);lv=(ListView)findViewById(R.id.listView1);list=new ArrayList<String> ();for(int i=1;i<=10;i++){list.add("测试"+index);index=index+1;}items = new ArrayAdapter<String>(getApplicationContext(), android.R.layout.simple_list_item_checked,list);View view=LayoutInflater.from(MainActivity.this).inflate(R.layout.footer, null);btn=(Button)view.findViewById(R.id.button1);btn.setOnClickListener(new OnClickListener() {public void onClick(View v) {for(int i=1;i<=10;i++){list.add("测试"+index);index=index+1;}items.notifyDataSetChanged();}});//必须在setAdapter前设置，否则没效果
        lv.addFooterView(view);        lv.setAdapter(items);}
}