如何在下面代码中添加上拉刷新下拉更多功能

package com.jj.viewpager;import java.util.ArrayList;import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ActivityGroup;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.HorizontalScrollView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;@SuppressLint("ResourceAsColor")
public class MainActivity extends ActivityGroup implements OnClickListener {
private RadioGroup radioGroup;
private String title[] = { "学生活动", "学生风采", "开学教育周" };
private LinearLayout linearLayout;
private final int height = 70;
private ArrayList<TextView> textViews;
private ViewPager viewPager;
private ArrayList<View> pageViews;
private HorizontalScrollView horizontalScrollView;
    
/***
 * init view
 */
void InItView() {
pageViews = new ArrayList<View>();
View view01 = getLocalActivityManager().startActivity("activity01",
new Intent(this, MainActivity1.class)).getDecorView();
View view02 = getLocalActivityManager().startActivity("activity02",
new Intent(this, MainActivity2.class)).getDecorView();
View view03 = getLocalActivityManager().startActivity("activity02",
new Intent(this, MainActivity3.class)).getDecorView();
pageViews.add(view01);
pageViews.add(view02);
pageViews.add(view03);
}
    /***
     * init title
     */
@SuppressLint("ResourceAsColor")
void InItTitle() {
int width = getWindowManager().getDefaultDisplay().getWidth() / 5;
for (int i = 0; i < title.length; i++) {
RadioButton radioButton = new RadioButton(this, null,
R.style.radioButton);
radioButton.setText(title[i]);
radioButton.setTextSize(17);
radioButton.setTextColor(com.jj.viewpager.R.color.black);
radioButton.setWidth(width);
radioButton.setHeight(height);
radioButton.setGravity(Gravity.CENTER);
radioGroup.addView(radioButton);
}
}
 /***
     * init title
     */
@SuppressLint("ResourceAsColor")
void InItTitle1() {
textViews = new ArrayList<TextView>();
int width = getWindowManager().getDefaultDisplay().getWidth() / 3;
int height = 70;
for (int i = 0; i < title.length; i++) {
TextView textView = new TextView(this);
textView.setText(title[i]);
textView.setTextSize(17);
textView.setTextColor(com.jj.viewpager.R.color.black);
textView.setWidth(width);
textView.setHeight(height - 30);
textView.setGravity(Gravity.CENTER);
textView.setId(i);
textView.setOnClickListener(this);
textViews.add(textView);
// 分割线
View view = new View(this);
LinearLayout.LayoutParams layoutParams = new LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
layoutParams.width = 1;
layoutParams.height = height - 40;
layoutParams.gravity = Gravity.CENTER;
view.setLayoutParams(layoutParams);
view.setBackgroundColor(com.jj.viewpager.R.color.gray);
linearLayout.addView(textView);
if (i != title.length - 1) {
linearLayout.addView(view);
} }
} /***
 * 选中效果
 */
@SuppressLint("ResourceAsColor")
public void setSelector(int id) {
for (int i = 0; i < title.length; i++) {
if (id == i) {
Bitmap bitmap = BitmapFactory.decodeResource(getResources(),
R.drawable.grouplist_item_bg_normal);
textViews.get(id).setBackgroundDrawable(
new BitmapDrawable(bitmap));
textViews.get(id).setTextColor(Color.RED);
viewPager.setCurrentItem(i);
} else {
textViews.get(i).setBackgroundDrawable(new BitmapDrawable());
textViews.get(i).setTextColor(com.jj.viewpager.R.color.black);
}
}
} @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
linearLayout = (LinearLayout) findViewById(R.id.ll_main);
viewPager = (ViewPager) findViewById(R.id.pager);
horizontalScrollView = (HorizontalScrollView) findViewById(R.id.horizontalScrollView);
InItTitle1();
setSelector(0);
InItView();
viewPager.setAdapter(new myPagerView());
viewPager.clearAnimation();
viewPager.setOnPageChangeListener(new OnPageChangeListener() { @Override
public void onPageSelected(int arg0) {
setSelector(arg0);
} @Override
public void onPageScrolled(int arg0, float arg1, int arg2) { } @Override
public void onPageScrollStateChanged(int arg0) { }
});
} @Override
public void onClick(View v) {
setSelector(v.getId());
} class myPagerView extends PagerAdapter {
// 显示数目
@Override
public int getCount() {
return pageViews.size();
} @Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
} @Override
public int getItemPosition(Object object) {
// TODO Auto-generated method stub
return super.getItemPosition(object);
} @Override
public void destroyItem(View arg0, int arg1, Object arg2) {
// TODO Auto-generated method stub
((ViewPager) arg0).removeView(pageViews.get(arg1));
} /***
 * 获取每一个item， 类于listview中的getview
 */
@Override
public Object instantiateItem(View arg0, int arg1) {
((ViewPager) arg0).addView(pageViews.get(arg1));
return pageViews.get(arg1);
} }}
------------------------------------------------------------------------------------------------package com.jj.viewpager;import android.app.Activity;
import android.os.Bundle;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;public class MainActivity1 extends Activity {
private String data[]={"AAAA","BBBB","CCCC","DDDD","AAAA","BBBB","CCCC","DDDD","AAAA","BBBB","CCCC","DDDD","AAAA","BBBB","CCCC","DDDD"};
private ListView listview;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LinearLayout layout=new LinearLayout(this);

this.listview=new ListView(this);
this.listview.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1,this.data));
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT);
layout.addView(listview,layoutParams);

LinearLayout.LayoutParams l = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
layout.setBackgroundResource(R.color.blue);
setContentView(layout,l);

  
}
}
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main.xml文件<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:padding="5dip" >        <Button
            android:id="@+id/showLeft"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:text="显示左边" />        <Button
            android:id="@+id/showRight"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_gravity="right"
            android:text="显示右边" />
    </RelativeLayout>    <HorizontalScrollView
        android:id="@+id/horizontalScrollView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@android:color/darker_gray"
        android:fadingEdge="@null"
        android:scrollbars="none" >
        <LinearLayout
            android:id="@+id/ll_main"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:background="@android:color/background_light"
            android:orientation="horizontal"
            android:paddingBottom="5dp"
            android:paddingTop="5dp" >
        </LinearLayout>
    </HorizontalScrollView>    <android.support.v4.view.ViewPager
        android:id="@+id/pager"
        android:layout_width="fill_parent"
        android:layout_height="match_parent"
        android:layout_weight="1" >
    </android.support.v4.view.ViewPager></LinearLayout>
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main2.xml<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
  <ListView 
    android:id="@+id/list"
     android:layout_width="fill_parent"
    android:layout_height="fill_parent"
  >
  </ListView>
</LinearLayout>listview上拉刷新下拉更多