public class PullToRefreshLayout extends RelativeLayout implements OnTouchListener 
{ 
 
 // 下拉的距離 
 public float moveDeltaY = 0; 
 // 是否可以下拉 
 private boolean canPull = true; 
 
 
 private void hideHead() 
 { 
 // 在這里開始異步隱藏下拉頭，在松手的時(shí)候或這刷新完畢的時(shí)候隱藏 
 } 
 
 
 public void refreshFinish(int refreshResult) 
 { 
 // 完成刷新操作，顯示刷新結(jié)果 
 } 
 
 private void changeState(int to) 
 { 
 // 改變當(dāng)前所處的狀態(tài)，有四個(gè)狀態(tài)：下拉刷新、釋放刷新、正在刷新、刷新完成 
 } 
 
 /* 
 * （非 Javadoc）由父控件決定是否分發(fā)事件，防止事件沖突 
 * 
 * @see android.view.ViewGroup#dispatchTouchEvent(android.view.MotionEvent) 
 */ 
 @Override 
 public boolean dispatchTouchEvent(MotionEvent ev) 
 { 
 switch (ev.getActionMasked()) 
 { 
 case MotionEvent.ACTION_DOWN: 
  /*手指按下的時(shí)候，無(wú)法判斷是否將要下拉，所以這時(shí)候break讓父類把down事件分發(fā)給子View 
  記錄按下的坐標(biāo)*/ 
  break; 
 case MotionEvent.ACTION_MOVE: 
  /*如果往上滑動(dòng)且moveDetaY==0則說(shuō)明不在下拉，break繼續(xù)將move事件分發(fā)給子View 
  如果往下拉，則計(jì)算下拉的距離moveDeltaY，根據(jù)moveDeltaY重新Layout子控件。但是 
  由于down事件傳到了子View，如果不清除子View的事件，會(huì)導(dǎo)致子View誤觸發(fā)長(zhǎng)按事件和點(diǎn)擊事件。所以在這里清除子View的事件回調(diào)。 
  下拉超過(guò)一定的距離時(shí)，改變當(dāng)前狀態(tài)*/ 
  break; 
 case MotionEvent.ACTION_UP: 
  //根據(jù)當(dāng)前狀態(tài)執(zhí)行刷新操作或者h(yuǎn)ideHead 
 default: 
  break; 
 } 
 // 事件分發(fā)交給父類 
 return super.dispatchTouchEvent(ev); 
 } 

 /* 
 * （非 Javadoc）繪制陰影效果，顏色值可以修改 
 * 
 * @see android.view.ViewGroup#dispatchDraw(android.graphics.Canvas) 
 */ 
 @Override 
 protected void dispatchDraw(Canvas canvas) 
 { 
 //在這里用一個(gè)漸變繪制分界線陰影 
 } 
 
 @Override 
 protected void onLayout(boolean changed, int l, int t, int r, int b) 
 { 
 //這個(gè)方法就是重新Layout子View了，根據(jù)moveDeltaY來(lái)定位子View的位置 
 } 
 
 
 @Override 
 public boolean onTouch(View v, MotionEvent event) 
 { 
 //這個(gè)是OnTouchListener的方法，只判斷AbsListView的狀態(tài)來(lái)決定是否canPull，除此之外不做其他處理 
 } 
} 

package com.jingchen.pulltorefresh; 
 
import java.lang.reflect.Field; 
import java.util.Timer; 
import java.util.TimerTask; 
 
import android.content.Context; 
import android.graphics.Canvas; 
import android.graphics.LinearGradient; 
import android.graphics.Paint; 
import android.graphics.Paint.Style; 
import android.graphics.RectF; 
import android.graphics.Shader.TileMode; 
import android.os.Handler; 
import android.os.Message; 
import android.util.AttributeSet; 
import android.util.Log; 
import android.view.MotionEvent; 
import android.view.View; 
import android.view.View.OnTouchListener; 
import android.view.ViewGroup; 
import android.view.animation.AnimationUtils; 
import android.view.animation.LinearInterpolator; 
import android.view.animation.RotateAnimation; 
import android.widget.AbsListView; 
import android.widget.RelativeLayout; 
import android.widget.TextView; 
 
/** 
 * 整個(gè)下拉刷新就這一個(gè)布局，用來(lái)管理兩個(gè)子控件，其中一個(gè)是下拉頭，另一個(gè)是包含內(nèi)容的contentView（可以是AbsListView的任何子類） 
 * 
 * @author 陳靖 
 */ 
public class PullToRefreshLayout extends RelativeLayout implements OnTouchListener 
{ 
 public static final String TAG = "PullToRefreshLayout"; 
 // 下拉刷新 
 public static final int PULL_TO_REFRESH = 0; 
 // 釋放刷新 
 public static final int RELEASE_TO_REFRESH = 1; 
 // 正在刷新 
 public static final int REFRESHING = 2; 
 // 刷新完畢 
 public static final int DONE = 3; 
 // 當(dāng)前狀態(tài) 
 private int state = PULL_TO_REFRESH; 
 // 刷新回調(diào)接口 
 private OnRefreshListener mListener; 
 // 刷新成功 
 public static final int REFRESH_SUCCEED = 0; 
 // 刷新失敗 
 public static final int REFRESH_FAIL = 1; 
 // 下拉頭 
 private View headView; 
 // 內(nèi)容 
 private View contentView; 
 // 按下Y坐標(biāo)，上一個(gè)事件點(diǎn)Y坐標(biāo) 
 private float downY, lastY; 
 // 下拉的距離 
 public float moveDeltaY = 0; 
 // 釋放刷新的距離 
 private float refreshDist = 200; 
 private Timer timer; 
 private MyTimerTask mTask; 
 // 回滾速度 
 public float MOVE_SPEED = 8; 
 // 第一次執(zhí)行布局 
 private boolean isLayout = false; 
 // 是否可以下拉 
 private boolean canPull = true; 
 // 在刷新過(guò)程中滑動(dòng)操作 
 private boolean isTouchInRefreshing = false; 
 // 手指滑動(dòng)距離與下拉頭的滑動(dòng)距離比，中間會(huì)隨正切函數(shù)變化 
 private float radio = 2; 
 // 下拉箭頭的轉(zhuǎn)180°動(dòng)畫 
 private RotateAnimation rotateAnimation; 
 // 均勻旋轉(zhuǎn)動(dòng)畫 
 private RotateAnimation refreshingAnimation; 
 // 下拉的箭頭 
 private View pullView; 
 // 正在刷新的圖標(biāo) 
 private View refreshingView; 
 // 刷新結(jié)果圖標(biāo) 
 private View stateImageView; 
 // 刷新結(jié)果：成功或失敗 
 private TextView stateTextView; 
 /** 
 * 執(zhí)行自動(dòng)回滾的handler 
 */ 
 Handler updateHandler = new Handler() 
 { 
 
 @Override 
 public void handleMessage(Message msg) 
 { 
  // 回彈速度隨下拉距離moveDeltaY增大而增大 
  MOVE_SPEED = (float) (8 + 5 * Math.tan(Math.PI / 2 / getMeasuredHeight() * moveDeltaY)); 
  if (state == REFRESHING && moveDeltaY <= refreshDist && !isTouchInRefreshing) 
  { 
  // 正在刷新，且沒(méi)有往上推的話則懸停，顯示"正在刷新..." 
  moveDeltaY = refreshDist; 
  mTask.cancel(); 
  } 
  if (canPull) 
  moveDeltaY -= MOVE_SPEED; 
  if (moveDeltaY <= 0) 
  { 
  // 已完成回彈 
  moveDeltaY = 0; 
  pullView.clearAnimation(); 
  // 隱藏下拉頭時(shí)有可能還在刷新，只有當(dāng)前狀態(tài)不是正在刷新時(shí)才改變狀態(tài) 
  if (state != REFRESHING) 
   changeState(PULL_TO_REFRESH); 
  mTask.cancel(); 
  } 
  // 刷新布局,會(huì)自動(dòng)調(diào)用onLayout 
  requestLayout(); 
 } 
 
 }; 
 
 public void setOnRefreshListener(OnRefreshListener listener) 
 { 
 mListener = listener; 
 } 
 
 public PullToRefreshLayout(Context context) 
 { 
 super(context); 
 initView(context); 
 } 
 
 public PullToRefreshLayout(Context context, AttributeSet attrs) 
 { 
 super(context, attrs); 
 initView(context); 
 } 
 
 public PullToRefreshLayout(Context context, AttributeSet attrs, int defStyle) 
 { 
 super(context, attrs, defStyle); 
 initView(context); 
 } 
 
 private void initView(Context context) 
 { 
 timer = new Timer(); 
 mTask = new MyTimerTask(updateHandler); 
 rotateAnimation = (RotateAnimation) AnimationUtils.loadAnimation(context, R.anim.reverse_anim); 
 refreshingAnimation = (RotateAnimation) AnimationUtils.loadAnimation(context, R.anim.rotating); 
 // 添加勻速轉(zhuǎn)動(dòng)動(dòng)畫 
 LinearInterpolator lir = new LinearInterpolator(); 
 rotateAnimation.setInterpolator(lir); 
 refreshingAnimation.setInterpolator(lir); 
 } 
 
 private void hideHead() 
 { 
 if (mTask != null) 
 { 
  mTask.cancel(); 
  mTask = null; 
 } 
 mTask = new MyTimerTask(updateHandler); 
 timer.schedule(mTask, 0, 5); 
 } 
 
 /** 
 * 完成刷新操作，顯示刷新結(jié)果 
 */ 
 public void refreshFinish(int refreshResult) 
 { 
 refreshingView.clearAnimation(); 
 refreshingView.setVisibility(View.GONE); 
 switch (refreshResult) 
 { 
 case REFRESH_SUCCEED: 
  // 刷新成功 
  stateImageView.setVisibility(View.VISIBLE); 
  stateTextView.setText(R.string.refresh_succeed); 
  stateImageView.setBackgroundResource(R.drawable.refresh_succeed); 
  break; 
 case REFRESH_FAIL: 
  // 刷新失敗 
  stateImageView.setVisibility(View.VISIBLE); 
  stateTextView.setText(R.string.refresh_fail); 
  stateImageView.setBackgroundResource(R.drawable.refresh_failed); 
  break; 
 default: 
  break; 
 } 
 // 刷新結(jié)果停留1秒 
 new Handler() 
 { 
  @Override 
  public void handleMessage(Message msg) 
  { 
  state = PULL_TO_REFRESH; 
  hideHead(); 
  } 
 }.sendEmptyMessageDelayed(0, 1000); 
 } 
 
 private void changeState(int to) 
 { 
 state = to; 
 switch (state) 
 { 
 case PULL_TO_REFRESH: 
  // 下拉刷新 
  stateImageView.setVisibility(View.GONE); 
  stateTextView.setText(R.string.pull_to_refresh); 
  pullView.clearAnimation(); 
  pullView.setVisibility(View.VISIBLE); 
  break; 
 case RELEASE_TO_REFRESH: 
  // 釋放刷新 
  stateTextView.setText(R.string.release_to_refresh); 
  pullView.startAnimation(rotateAnimation); 
  break; 
 case REFRESHING: 
  // 正在刷新 
  pullView.clearAnimation(); 
  refreshingView.setVisibility(View.VISIBLE); 
  pullView.setVisibility(View.INVISIBLE); 
  refreshingView.startAnimation(refreshingAnimation); 
  stateTextView.setText(R.string.refreshing); 
  break; 
 default: 
  break; 
 } 
 } 
 
 /* 
 * （非 Javadoc）由父控件決定是否分發(fā)事件，防止事件沖突 
 * 
 * @see android.view.ViewGroup#dispatchTouchEvent(android.view.MotionEvent) 
 */ 
 @Override 
 public boolean dispatchTouchEvent(MotionEvent ev) 
 { 
 switch (ev.getActionMasked()) 
 { 
 case MotionEvent.ACTION_DOWN: 
  downY = ev.getY(); 
  lastY = downY; 
  if (mTask != null) 
  { 
  mTask.cancel(); 
  } 
  /* 
  * 觸碰的地方位于下拉頭布局，由于我們沒(méi)有對(duì)下拉頭做事件響應(yīng)，這時(shí)候它會(huì)給咱返回一個(gè)false導(dǎo)致接下來(lái)的事件不再分發(fā)進(jìn)來(lái)。 
  * 所以我們不能交給父類分發(fā)，直接返回true 
  */ 
  if (ev.getY() < moveDeltaY) 
  return true; 
  break; 
 case MotionEvent.ACTION_MOVE: 
  // canPull這個(gè)值在底下onTouch中會(huì)根據(jù)ListView是否滑到頂部來(lái)改變，意思是是否可下拉 
  if (canPull) 
  { 
  // 對(duì)實(shí)際滑動(dòng)距離做縮小，造成用力拉的感覺 
  moveDeltaY = moveDeltaY + (ev.getY() - lastY) / radio; 
  if (moveDeltaY < 0) 
   moveDeltaY = 0; 
  if (moveDeltaY > getMeasuredHeight()) 
   moveDeltaY = getMeasuredHeight(); 
  if (state == REFRESHING) 
  { 
   // 正在刷新的時(shí)候觸摸移動(dòng) 
   isTouchInRefreshing = true; 
  } 
  } 
  lastY = ev.getY(); 
  // 根據(jù)下拉距離改變比例 
  radio = (float) (2 + 2 * Math.tan(Math.PI / 2 / getMeasuredHeight() * moveDeltaY)); 
  requestLayout(); 
  if (moveDeltaY <= refreshDist && state == RELEASE_TO_REFRESH) 
  { 
  // 如果下拉距離沒(méi)達(dá)到刷新的距離且當(dāng)前狀態(tài)是釋放刷新，改變狀態(tài)為下拉刷新 
  changeState(PULL_TO_REFRESH); 
  } 
  if (moveDeltaY >= refreshDist && state == PULL_TO_REFRESH) 
  { 
  changeState(RELEASE_TO_REFRESH); 
  } 
  if (moveDeltaY > 8) 
  { 
  // 防止下拉過(guò)程中誤觸發(fā)長(zhǎng)按事件和點(diǎn)擊事件 
  clearContentViewEvents(); 
  } 
  if (moveDeltaY > 0) 
  { 
  // 正在下拉，不讓子控件捕獲事件 
  return true; 
  } 
  break; 
 case MotionEvent.ACTION_UP: 
  if (moveDeltaY > refreshDist) 
  // 正在刷新時(shí)往下拉釋放后下拉頭不隱藏 
  isTouchInRefreshing = false; 
  if (state == RELEASE_TO_REFRESH) 
  { 
  changeState(REFRESHING); 
  // 刷新操作 
  if (mListener != null) 
   mListener.onRefresh(); 
  } else 
  { 
 
  } 
  hideHead(); 
 default: 
  break; 
 } 
 // 事件分發(fā)交給父類 
 return super.dispatchTouchEvent(ev); 
 } 
 
 /** 
 * 通過(guò)反射修改字段去掉長(zhǎng)按事件和點(diǎn)擊事件 
 */ 
 private void clearContentViewEvents() 
 { 
 try 
 { 
  Field[] fields = AbsListView.class.getDeclaredFields(); 
  for (int i = 0; i < fields.length; i++) 
  if (fields[i].getName().equals("mPendingCheckForLongPress")) 
  { 
   // mPendingCheckForLongPress是AbsListView中的字段，通過(guò)反射獲取并從消息列表刪除，去掉長(zhǎng)按事件 
   fields[i].setAccessible(true); 
   contentView.getHandler().removeCallbacks((Runnable) fields[i].get(contentView)); 
  } else if (fields[i].getName().equals("mTouchMode")) 
  { 
   // TOUCH_MODE_REST = -1， 這個(gè)可以去除點(diǎn)擊事件 
   fields[i].setAccessible(true); 
   fields[i].set(contentView, -1); 
  } 
  // 去掉焦點(diǎn) 
  ((AbsListView) contentView).getSelector().setState(new int[] 
  { 0 }); 
 } catch (Exception e) 
 { 
  Log.d(TAG, "error : " + e.toString()); 
 } 
 } 
 
 /* 
 * （非 Javadoc）繪制陰影效果，顏色值可以修改 
 * 
 * @see android.view.ViewGroup#dispatchDraw(android.graphics.Canvas) 
 */ 
 @Override 
 protected void dispatchDraw(Canvas canvas) 
 { 
 super.dispatchDraw(canvas); 
 if (moveDeltaY == 0) 
  return; 
 RectF rectF = new RectF(0, 0, getMeasuredWidth(), moveDeltaY); 
 Paint paint = new Paint(); 
 paint.setAntiAlias(true); 
 // 陰影的高度為26 
 LinearGradient linearGradient = new LinearGradient(0, moveDeltaY, 0, moveDeltaY - 26, 0x66000000, 0x00000000, TileMode.CLAMP); 
 paint.setShader(linearGradient); 
 paint.setStyle(Style.FILL); 
 // 在moveDeltaY處往上變淡 
 canvas.drawRect(rectF, paint); 
 } 
 
 private void initView() 
 { 
 pullView = headView.findViewById(R.id.pull_icon); 
 stateTextView = (TextView) headView.findViewById(R.id.state_tv); 
 refreshingView = headView.findViewById(R.id.refreshing_icon); 
 stateImageView = headView.findViewById(R.id.state_iv); 
 } 
 
 @Override 
 protected void onLayout(boolean changed, int l, int t, int r, int b) 
 { 
 if (!isLayout) 
 { 
  // 這里是第一次進(jìn)來(lái)的時(shí)候做一些初始化 
  headView = getChildAt(0); 
  contentView = getChildAt(1); 
  // 給AbsListView設(shè)置OnTouchListener 
  contentView.setOnTouchListener(this); 
  isLayout = true; 
  initView(); 
  refreshDist = ((ViewGroup) headView).getChildAt(0).getMeasuredHeight(); 
 } 
 if (canPull) 
 { 
  // 改變子控件的布局 
  headView.layout(0, (int) moveDeltaY - headView.getMeasuredHeight(), headView.getMeasuredWidth(), (int) moveDeltaY); 
  contentView.layout(0, (int) moveDeltaY, contentView.getMeasuredWidth(), (int) moveDeltaY + contentView.getMeasuredHeight()); 
 }else super.onLayout(changed, l, t, r, b); 
 } 
 
 class MyTimerTask extends TimerTask 
 { 
 Handler handler; 
 
 public MyTimerTask(Handler handler) 
 { 
  this.handler = handler; 
 } 
 
 @Override 
 public void run() 
 { 
  handler.sendMessage(handler.obtainMessage()); 
 } 
 
 } 
 
 @Override 
 public boolean onTouch(View v, MotionEvent event) 
 { 
 // 第一個(gè)item可見且滑動(dòng)到頂部 
 AbsListView alv = null; 
 try 
 { 
  alv = (AbsListView) v; 
 } catch (Exception e) 
 { 
  Log.d(TAG, e.getMessage()); 
  return false; 
 } 
 if (alv.getCount() == 0) 
 { 
  // 沒(méi)有item的時(shí)候也可以下拉刷新 
  canPull = true; 
 } else if (alv.getFirstVisiblePosition() == 0 && alv.getChildAt(0).getTop() >= 0) 
 { 
  // 滑到AbsListView的頂部了 
  canPull = true; 
 } else 
  canPull = false; 
 return false; 
 } 
} 

public interface OnRefreshListener { 
 void onRefresh(); 
} 

<com.jingchen.pulltorefresh.PullToRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:id="@+id/refresh_view" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" > 
 
 <include layout="@layout/refresh_head" /> 
 
 <!-- 支持AbsListView的所有子類 --> 
 <ListView 
 android:id="@+id/content_view" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" 
 android:background="@color/white" 
 android:divider="@color/gray" 
 android:dividerHeight="1dp" > 
 </ListView> 
 
</com.jingchen.pulltorefresh.PullToRefreshLayout> 

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:id="@+id/head_view" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" 
 android:background="@color/light_blue" > 
 
 <RelativeLayout 
 android:layout_width="match_parent" 
 android:layout_height="wrap_content" 
 android:layout_alignParentBottom="true" 
 android:paddingBottom="20dp" 
 android:paddingTop="20dp" > 
 
 <RelativeLayout 
  android:layout_width="match_parent" 
  android:layout_height="wrap_content" 
  android:layout_centerInParent="true" > 
 
  <ImageView 
  android:id="@+id/pull_icon" 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:layout_centerVertical="true" 
  android:layout_marginLeft="60dp" 
  android:background="@drawable/pull_icon_big" /> 
 
  <ImageView 
  android:id="@+id/refreshing_icon" 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:layout_centerVertical="true" 
  android:layout_marginLeft="60dp" 
  android:background="@drawable/refreshing" 
  android:visibility="gone" /> 
 
  <TextView 
  android:id="@+id/state_tv" 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:layout_centerInParent="true" 
  android:text="@string/pull_to_refresh" 
  android:textColor="@color/white" 
  android:textSize="16sp" /> 
 
  <ImageView 
  android:id="@+id/state_iv" 
  android:layout_width="wrap_content" 
  android:layout_height="wrap_content" 
  android:layout_centerVertical="true" 
  android:layout_marginRight="8dp" 
  android:layout_toLeftOf="@id/state_tv" 
  android:visibility="gone" /> 
 </RelativeLayout> 
 </RelativeLayout> 
 
</RelativeLayout> 

package com.jingchen.pulltorefresh; 
 
import java.util.ArrayList; 
import java.util.List; 
 
import android.app.Activity; 
import android.content.Context; 
import android.os.Bundle; 
import android.os.Handler; 
import android.os.Message; 
import android.support.v4.view.PagerAdapter; 
import android.support.v4.view.ViewPager; 
import android.support.v4.view.ViewPager.OnPageChangeListener; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.ViewGroup; 
import android.view.animation.AnimationUtils; 
import android.view.animation.LinearInterpolator; 
import android.view.animation.RotateAnimation; 
import android.widget.AbsListView; 
import android.widget.AdapterView; 
import android.widget.AdapterView.OnItemClickListener; 
import android.widget.AdapterView.OnItemLongClickListener; 
import android.widget.BaseExpandableListAdapter; 
import android.widget.ExpandableListView; 
import android.widget.ExpandableListView.OnChildClickListener; 
import android.widget.ExpandableListView.OnGroupClickListener; 
import android.widget.ListView; 
import android.widget.TextView; 
import android.widget.Toast; 
 
/** 
 * 除了下拉刷新，在contenview為L(zhǎng)istView的情況下我給ListView增加了FooterView，實(shí)現(xiàn)點(diǎn)擊加載更多 
 * 
 * @author 陳靖 
 * 
 */ 
public class MainActivity extends Activity implements OnRefreshListener, OnClickListener 
{ 
 private AbsListView alv; 
 private PullToRefreshLayout refreshLayout; 
 private View loading; 
 private RotateAnimation loadingAnimation; 
 private TextView loadTextView; 
 private MyAdapter adapter; 
 private boolean isLoading = false; 
 
 @Override 
 protected void onCreate(Bundle savedInstanceState) 
 { 
 super.onCreate(savedInstanceState); 
 setContentView(R.layout.activity_main); 
 init(); 
 } 
 
 private void init() 
 { 
 alv = (AbsListView) findViewById(R.id.content_view); 
 refreshLayout = (PullToRefreshLayout) findViewById(R.id.refresh_view); 
 refreshLayout.setOnRefreshListener(this); 
 initListView(); 
 
 loadingAnimation = (RotateAnimation) AnimationUtils.loadAnimation(this, R.anim.rotating); 
 // 添加勻速轉(zhuǎn)動(dòng)動(dòng)畫 
 LinearInterpolator lir = new LinearInterpolator(); 
 loadingAnimation.setInterpolator(lir); 
 } 
 
 /** 
 * ListView初始化方法 
 */ 
 private void initListView() 
 { 
 List<String> items = new ArrayList<String>(); 
 for (int i = 0; i < 30; i++) 
 { 
  items.add("這里是item " + i); 
 } 
 // 添加head 
 View headView = getLayoutInflater().inflate(R.layout.listview_head, null); 
 ((ListView) alv).addHeaderView(headView, null, false); 
 // 添加footer 
 View footerView = getLayoutInflater().inflate(R.layout.load_more, null); 
 loading = footerView.findViewById(R.id.loading_icon); 
 loadTextView = (TextView) footerView.findViewById(R.id.loadmore_tv); 
 ((ListView) alv).addFooterView(footerView, null, false); 
 footerView.setOnClickListener(this); 
 adapter = new MyAdapter(this, items); 
 alv.setAdapter(adapter); 
 alv.setOnItemLongClickListener(new OnItemLongClickListener() 
 { 
 
  @Override 
  public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) 
  { 
  Toast.makeText(MainActivity.this, "LongClick on " + parent.getAdapter().getItemId(position), Toast.LENGTH_SHORT).show(); 
  return true; 
  } 
 }); 
 alv.setOnItemClickListener(new OnItemClickListener() 
 { 
 
  @Override 
  public void onItemClick(AdapterView<?> parent, View view, int position, long id) 
  { 
  Toast.makeText(MainActivity.this, " Click on " + parent.getAdapter().getItemId(position), Toast.LENGTH_SHORT).show(); 
  } 
 }); 
 } 
 
 /** 
 * GridView初始化方法 
 */ 
 private void initGridView() 
 { 
 List<String> items = new ArrayList<String>(); 
 for (int i = 0; i < 30; i++) 
 { 
  items.add("這里是item " + i); 
 } 
 adapter = new MyAdapter(this, items); 
 alv.setAdapter(adapter); 
 alv.setOnItemLongClickListener(new OnItemLongClickListener() 
 { 
 
  @Override 
  public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) 
  { 
  Toast.makeText(MainActivity.this, "LongClick on " + parent.getAdapter().getItemId(position), Toast.LENGTH_SHORT).show(); 
  return true; 
  } 
 }); 
 alv.setOnItemClickListener(new OnItemClickListener() 
 { 
 
  @Override 
  public void onItemClick(AdapterView<?> parent, View view, int position, long id) 
  { 
  Toast.makeText(MainActivity.this, " Click on " + parent.getAdapter().getItemId(position), Toast.LENGTH_SHORT).show(); 
  } 
 }); 
 } 
 
 /** 
 * ExpandableListView初始化方法 
 */ 
 private void initExpandableListView() 
 { 
 ((ExpandableListView) alv).setAdapter(new ExpandableListAdapter(this)); 
 ((ExpandableListView) alv).setOnChildClickListener(new OnChildClickListener() 
 { 
 
  @Override 
  public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) 
  { 
  Toast.makeText(MainActivity.this, " Click on group " + groupPosition + " item " + childPosition, Toast.LENGTH_SHORT).show(); 
  return true; 
  } 
 }); 
 ((ExpandableListView) alv).setOnItemLongClickListener(new OnItemLongClickListener() 
 { 
 
  @Override 
  public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) 
  { 
  Toast.makeText(MainActivity.this, "LongClick on " + parent.getAdapter().getItemId(position), Toast.LENGTH_SHORT).show(); 
  return true; 
  } 
 }); 
 ((ExpandableListView) alv).setOnGroupClickListener(new OnGroupClickListener() 
 { 
 
  @Override 
  public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition, long id) 
  { 
  if (parent.isGroupExpanded(groupPosition)) 
  { 
   // 如果展開則關(guān)閉 
   parent.collapseGroup(groupPosition); 
  } else 
  { 
   // 如果關(guān)閉則打開，注意這里是手動(dòng)打開不要默認(rèn)滾動(dòng)否則會(huì)有bug 
   parent.expandGroup(groupPosition); 
  } 
  return true; 
  } 
 }); 
 } 
 
 @Override 
 public void onRefresh() 
 { 
 // 下拉刷新操作 
 new Handler() 
 { 
  @Override 
  public void handleMessage(Message msg) 
  { 
  refreshLayout.refreshFinish(PullToRefreshLayout.REFRESH_SUCCEED); 
  } 
 }.sendEmptyMessageDelayed(0, 5000); 
 } 
 
 @Override 
 public void onClick(View v) 
 { 
 switch (v.getId()) 
 { 
 case R.id.loadmore_layout: 
  if (!isLoading) 
  { 
  loading.setVisibility(View.VISIBLE); 
  loading.startAnimation(loadingAnimation); 
  loadTextView.setText(R.string.loading); 
  isLoading = true; 
  } 
  break; 
 default: 
  break; 
 } 
 
 } 
 
 class ExpandableListAdapter extends BaseExpandableListAdapter 
 { 
 private String[] groupsStrings;// = new String[] { "這里是group 0", 
     // "這里是group 1", "這里是group 2" }; 
 private String[][] groupItems; 
 private Context context; 
 
 public ExpandableListAdapter(Context context) 
 { 
  this.context = context; 
  groupsStrings = new String[8]; 
  for (int i = 0; i < groupsStrings.length; i++) 
  { 
  groupsStrings[i] = new String("這里是group " + i); 
  } 
  groupItems = new String[8][8]; 
  for (int i = 0; i < groupItems.length; i++) 
  for (int j = 0; j < groupItems[i].length; j++) 
  { 
   groupItems[i][j] = new String("這里是group " + i + "里的item " + j); 
  } 
 } 
 
 @Override 
 public int getGroupCount() 
 { 
  return groupsStrings.length; 
 } 
 
 @Override 
 public int getChildrenCount(int groupPosition) 
 { 
  return groupItems[groupPosition].length; 
 } 
 
 @Override 
 public Object getGroup(int groupPosition) 
 { 
  return groupsStrings[groupPosition]; 
 } 
 
 @Override 
 public Object getChild(int groupPosition, int childPosition) 
 { 
  return groupItems[groupPosition][childPosition]; 
 } 
 
 @Override 
 public long getGroupId(int groupPosition) 
 { 
  return groupPosition; 
 } 
 
 @Override 
 public long getChildId(int groupPosition, int childPosition) 
 { 
  return childPosition; 
 } 
 
 @Override 
 public boolean hasStableIds() 
 { 
  return true; 
 } 
 
 @Override 
 public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) 
 { 
  View view = LayoutInflater.from(context).inflate(R.layout.list_item_layout, null); 
  TextView tv = (TextView) view.findViewById(R.id.name_tv); 
  tv.setText(groupsStrings[groupPosition]); 
  return view; 
 } 
 
 @Override 
 public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) 
 { 
  View view = LayoutInflater.from(context).inflate(R.layout.list_item_layout, null); 
  TextView tv = (TextView) view.findViewById(R.id.name_tv); 
  tv.setText(groupItems[groupPosition][childPosition]); 
  return view; 
 } 
 
 @Override 
 public boolean isChildSelectable(int groupPosition, int childPosition) 
 { 
  return true; 
 } 
 
 } 
 
} 

<com.jingchen.pulltorefresh.PullToRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:id="@+id/refresh_view" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" > 
 
 <include layout="@layout/refresh_head" /> 
 <!-- 支持AbsListView的所有子類 --> 
 <GridView 
 android:id="@+id/content_view" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" 
 android:background="@color/white" 
 android:columnWidth="90dp" 
 android:gravity="center" 
 android:horizontalSpacing="10dp" 
 android:numColumns="auto_fit" 
 android:stretchMode="columnWidth" 
 android:verticalSpacing="15dp" > 
 </GridView> 
 
</com.jingchen.pulltorefresh.PullToRefreshLayout> 

<com.jingchen.pulltorefresh.PullToRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 android:id="@+id/refresh_view" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" > 
 
 <include layout="@layout/refresh_head" /> 
 <!-- 支持AbsListView的所有子類 --> 
 <ExpandableListView 
 android:id="@+id/content_view" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" 
 android:background="@color/white" > 
 </ExpandableListView> 
 
</com.jingchen.pulltorefresh.PullToRefreshLayout>