android自定义分页组件

/**
 * 分页监听事件
 */
public interface OnPageChangeListener {
	/**
	 * 点击分页按钮时触发此操作
	 * @param curPage 当前页
	 * @param numPerPage 每页显示个数
	 */
	public void pageChanged(int curPage,int numPerPage);
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    <ListView
        android:id="@+id/wordList"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="11" >
    </ListView>
    <org.chen.wordreview.control.PageControl
     	  android:id="@+id/wordListPageControl"
     	  android:layout_width="match_parent"
     	  android:layout_height="0dp"
     	  android:layout_weight="1"/>
</LinearLayout>

//实现分页监听接口
public class MainActivity extends Activity implements OnPageChangeListener{
	private WordDao wordDao;
	private ListView wordListView;
	private ArrayAdapter<Word> adapter;
	private PageControl pageControl;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_wordlist);
        ...
        //初始化分页组件
        pageControl=(PageControl) findViewById(R.id.wordListPageControl);
        pageControl.setPageChangeListener(this);
        pageControl.initPageShow(wordDao.getCount());
        ...
    }
    /**
     * 点击分页按钮时触发该方法的执行
     * @param curPage 当前页
     * @param numPerPage 每页显示记录数
     */
	@Override
	public void pageChanged(int curPage, int numPerPage) {
		List<Word> words=wordDao.findOnePage((curPage-1)*numPerPage,numPerPage);
		adapter.clear();
		adapter.addAll(words);
		adapter.notifyDataSetChanged();
	}
}