Android ListView实现上拉加载下拉刷新和滑动删除功能

 protected listview createlistview(context context, attributeset attrs) {
 final listview lv;
 if (version.sdk_int >= version_codes.gingerbread) {
  lv = new internallistviewsdk9(context, attrs);
 } else {
  lv = new internallistview(context, attrs);
 }
 return lv;
 }

 protected swipemenulistview createlistview(context context, attributeset attrs) {
 final swipemenulistview lv;
 lv = new swipemenulistview(context, attrs);
 return lv;
 }

 @override
 protected listview createrefreshableview(context context, attributeset attrs) {
 listview lv = createlistview(context, attrs);
 // set it to this so it can be used in listactivity/listfragment
 lv.setid(android.r.id.list);
 return lv;
 }

 /**
 * this is implemented by derived classes to return the created view. if you
 * need to use a custom view (such as a custom listview), override this
 * method and return an instance of your custom class.
 * <p/>
 * be sure to set the id of the view in this method, especially if you're
 * using a listactivity or listfragment.
 *
 * @param context context to create view with
 * @param attrs attributeset from wrapped class. means that anything you
 *  include in the xml layout declaration will be routed to the
 *  created view
 * @return new instance of the refreshable view
 */
 protected abstract t createrefreshableview(context context, attributeset attrs);

 @override
 public void setadapter(listadapter adapter) {
  // add the footer view at the last possible moment
  if (null != mlvfooterloadingframe && !maddedlvfooter) {
  addfooterview(mlvfooterloadingframe, null, false);
  maddedlvfooter = true;
  }

  super.setadapter(adapter);
 }

 @override
 protected void handlestyledattributes(typedarray a) {
 super.handlestyledattributes(a);

 mlistviewextrasenabled = a.getboolean(com.handmark.pulltorefresh.library.r.styleable.pulltorefresh_ptrlistviewextrasenabled, true);

 if (mlistviewextrasenabled) {
  final framelayout.layoutparams lp = new framelayout.layoutparams(framelayout.layoutparams.match_parent,
   framelayout.layoutparams.wrap_content, gravity.center_horizontal);

  // create loading views ready for use later
  framelayout frame = new framelayout(getcontext());
  mheaderloadingview = createloadinglayout(getcontext(), mode.pull_from_start, a);
  mheaderloadingview.setvisibility(view.gone);
  // framelayout添加头view 
  frame.addview(mheaderloadingview, lp);
  // 添加头部view
  mrefreshableview.addheaderview(frame, null, false);

  mlvfooterloadingframe = new framelayout(getcontext());
  mfooterloadingview = createloadinglayout(getcontext(), mode.pull_from_end, a);
  mfooterloadingview.setvisibility(view.gone);
  // framelayout添加底部view 
  mlvfooterloadingframe.addview(mfooterloadingview, lp);
  // 添加底部view
  ...
  /**
  * if the value for scrolling while refreshing hasn't been
  * explicitly set via xml, enable scrolling while refreshing.
  */
  if (!a.hasvalue(com.handmark.pulltorefresh.library.r.styleable.pulltorefresh_ptrscrollingwhilerefreshingenabled)) {
  setscrollingwhilerefreshingenabled(true);
  }
 }
 }

 case motionevent.action_move:
  float dy = math.abs((ev.gety() - mdowny));
  float dx = math.abs((ev.getx() - mdownx));
  if (mtouchstate == touch_state_x) {
   if (mtouchview != null) {
   mtouchview.onswipe(ev);
   }
   getselector().setstate(new int[]{0});
   ev.setaction(motionevent.action_cancel);
   super.ontouchevent(ev);
   // 处理滑动冲突,当处于滑动删除状态时,请求父布局不处理滑动事件
   requestdisallowintercepttouchevent(true);
   return true;
  } else if (mtouchstate == touch_state_none) {
   if (math.abs(dy) > max_y) {
   mtouchstate = touch_state_y;
   } else if (dx > max_x) {
   mtouchstate = touch_state_x;
   if (monswipelistener != null) {
    monswipelistener.onswipestart(mtouchposition);
   }
   }
  }
  break;

package swipemenulistview;

import android.content.context;
import android.content.res.typedarray;
import android.util.attributeset;
import android.view.gravity;
import android.view.view;
import android.widget.framelayout;
import android.widget.listadapter;
import android.widget.listview;

import com.handmark.pulltorefresh.library.loadinglayoutproxy;
import com.handmark.pulltorefresh.library.pulltorefreshadapterviewbase;
import com.handmark.pulltorefresh.library.internal.loadinglayout;

/**
 * created by junweiliu on 16/10/12.
 */
public class pulltorefreshswipemenulistview extends pulltorefreshadapterviewbase<listview> {

 private loadinglayout mheaderloadingview;
 private loadinglayout mfooterloadingview;

 private framelayout mlvfooterloadingframe;

 private boolean mlistviewextrasenabled;

 public pulltorefreshswipemenulistview(context context) {
 super(context);
 }

 public pulltorefreshswipemenulistview(context context, attributeset attrs) {
 super(context, attrs);
 }

 public pulltorefreshswipemenulistview(context context, mode mode) {
 super(context, mode);
 }

 public pulltorefreshswipemenulistview(context context, mode mode, animationstyle style) {
 super(context, mode, style);
 }

 @override
 public final orientation getpulltorefreshscrolldirection() {
 return orientation.vertical;
 }

 @override
 protected void onrefreshing(final boolean doscroll) {
 /**
  * if we're not showing the refreshing view, or the list is empty, the
  * the header/footer views won't show so we use the normal method.
  */
 listadapter adapter = mrefreshableview.getadapter();
 if (!mlistviewextrasenabled || !getshowviewwhilerefreshing() || null == adapter || adapter.isempty()) {
  super.onrefreshing(doscroll);
  return;
 }

 super.onrefreshing(false);

 final loadinglayout origloadingview, listviewloadingview, oppositelistviewloadingview;
 final int selection, scrolltoy;

 switch (getcurrentmode()) {
  case manual_refresh_only:
  case pull_from_end:
  origloadingview = getfooterlayout();
  listviewloadingview = mfooterloadingview;
  oppositelistviewloadingview = mheaderloadingview;
  selection = mrefreshableview.getcount() - 1;
  scrolltoy = getscrolly() - getfootersize();
  break;
  case pull_from_start:
  default:
  origloadingview = getheaderlayout();
  listviewloadingview = mheaderloadingview;
  oppositelistviewloadingview = mfooterloadingview;
  selection = 0;
  scrolltoy = getscrolly() + getheadersize();
  break;
 }

 // hide our original loading view
 origloadingview.reset();
 origloadingview.hideallviews();

 // make sure the opposite end is hidden too
 oppositelistviewloadingview.setvisibility(view.gone);

 // show the listview loading view and set it to refresh.
 listviewloadingview.setvisibility(view.visible);
 listviewloadingview.refreshing();

 if (doscroll) {
  // we need to disable the automatic visibility changes for now
  disableloadinglayoutvisibilitychanges();

  // we scroll slightly so that the listview's header/footer is at the
  // same y position as our normal header/footer
  setheaderscroll(scrolltoy);

  // make sure the listview is scrolled to show the loading
  // header/footer
  mrefreshableview.setselection(selection);

  // smooth scroll as normal
  smoothscrollto(0);
 }
 }

 @override
 protected void onreset() {
 /**
  * if the extras are not enabled, just call up to super and return.
  */
 if (!mlistviewextrasenabled) {
  super.onreset();
  return;
 }

 final loadinglayout originalloadinglayout, listviewloadinglayout;
 final int scrolltoheight, selection;
 final boolean scrolllvtoedge;

 switch (getcurrentmode()) {
  case manual_refresh_only:
  case pull_from_end:
  originalloadinglayout = getfooterlayout();
  listviewloadinglayout = mfooterloadingview;
  selection = mrefreshableview.getcount() - 1;
  scrolltoheight = getfootersize();
  scrolllvtoedge = math.abs(mrefreshableview.getlastvisibleposition() - selection) <= 1;
  break;
  case pull_from_start:
  default:
  originalloadinglayout = getheaderlayout();
  listviewloadinglayout = mheaderloadingview;
  scrolltoheight = -getheadersize();
  selection = 0;
  scrolllvtoedge = math.abs(mrefreshableview.getfirstvisibleposition() - selection) <= 1;
  break;
 }

 // if the listview header loading layout is showing, then we need to
 // flip so that the original one is showing instead
 if (listviewloadinglayout.getvisibility() == view.visible) {

  // set our original view to visible
  originalloadinglayout.showinvisibleviews();

  // hide the listview header/footer
  listviewloadinglayout.setvisibility(view.gone);

  /**
  * scroll so the view is at the same y as the listview
  * header/footer, but only scroll if: we've pulled to refresh, it's
  * positioned correctly
  */
  if (scrolllvtoedge && getstate() != state.manual_refreshing) {
  mrefreshableview.setselection(selection);
  setheaderscroll(scrolltoheight);
  }
 }

 // finally, call up to super
 super.onreset();
 }

 @override
 protected loadinglayoutproxy createloadinglayoutproxy(final boolean includestart, final boolean includeend) {
 loadinglayoutproxy proxy = super.createloadinglayoutproxy(includestart, includeend);

 if (mlistviewextrasenabled) {
  final mode mode = getmode();

  if (includestart && mode.showheaderloadinglayout()) {
  proxy.addlayout(mheaderloadingview);
  }
  if (includeend && mode.showfooterloadinglayout()) {
  proxy.addlayout(mfooterloadingview);
  }
 }

 return proxy;
 }


 protected swipemenulistview createlistview(context context, attributeset attrs) {
 final swipemenulistview lv;
// if (version.sdk_int >= version_codes.gingerbread) {
//  lv = new internallistviewsdk9(context, attrs);
// } else {
//  lv = new internallistview(context, attrs);
// }
 lv = new swipemenulistview(context, attrs);
 return lv;
 }

 @override
 protected listview createrefreshableview(context context, attributeset attrs) {
 listview lv = createlistview(context, attrs);

 // set it to this so it can be used in listactivity/listfragment
 lv.setid(android.r.id.list);
 return lv;
 }

 @override
 protected void handlestyledattributes(typedarray a) {
 super.handlestyledattributes(a);

 mlistviewextrasenabled = a.getboolean(com.handmark.pulltorefresh.library.r.styleable.pulltorefresh_ptrlistviewextrasenabled, true);

 if (mlistviewextrasenabled) {
  final framelayout.layoutparams lp = new framelayout.layoutparams(framelayout.layoutparams.match_parent,
   framelayout.layoutparams.wrap_content, gravity.center_horizontal);

  // create loading views ready for use later
  framelayout frame = new framelayout(getcontext());
  mheaderloadingview = createloadinglayout(getcontext(), mode.pull_from_start, a);
  mheaderloadingview.setvisibility(view.gone);
  frame.addview(mheaderloadingview, lp);
  mrefreshableview.addheaderview(frame, null, false);

  mlvfooterloadingframe = new framelayout(getcontext());
  mfooterloadingview = createloadinglayout(getcontext(), mode.pull_from_end, a);
  mfooterloadingview.setvisibility(view.gone);
  mlvfooterloadingframe.addview(mfooterloadingview, lp);
  // 添加底部加载view
  mrefreshableview.addfooterview(mlvfooterloadingframe, null, false);

  /**
  * if the value for scrolling while refreshing hasn't been
  * explicitly set via xml, enable scrolling while refreshing.
  */
  if (!a.hasvalue(com.handmark.pulltorefresh.library.r.styleable.pulltorefresh_ptrscrollingwhilerefreshingenabled)) {
  setscrollingwhilerefreshingenabled(true);
  }
 }
 }

}

package swipemenulistview;

import android.content.context;
import android.support.v4.view.motioneventcompat;
import android.util.attributeset;
import android.util.typedvalue;
import android.view.motionevent;
import android.view.view;
import android.view.animation.interpolator;
import android.widget.listadapter;
import android.widget.listview;

/**
 * @author baoyz
 * @date 2014-8-18
 */
public class swipemenulistview extends listview {

 private static final int touch_state_none = 0;
 private static final int touch_state_x = 1;
 private static final int touch_state_y = 2;

 public static final int direction_left = 1;
 public static final int direction_right = -1;
 private int mdirection = 1;//swipe from right to left by default

 private int max_y = 5;
 private int max_x = 3;
 private float mdownx;
 private float mdowny;
 private int mtouchstate;
 private int mtouchposition;
 private swipemenulayout mtouchview;
 private onswipelistener monswipelistener;

 private swipemenucreator mmenucreator;
 private onmenuitemclicklistener monmenuitemclicklistener;
 private interpolator mcloseinterpolator;
 private interpolator mopeninterpolator;

 public swipemenulistview(context context) {
 super(context);
 init();
 }

 public swipemenulistview(context context, attributeset attrs, int defstyle) {
 super(context, attrs, defstyle);
 init();
 }

 public swipemenulistview(context context, attributeset attrs) {
 super(context, attrs);
 init();
 }

 private void init() {
 max_x = dp2px(max_x);
 max_y = dp2px(max_y);
 mtouchstate = touch_state_none;
 }

 @override
 public void setadapter(listadapter adapter) {
 super.setadapter(new swipemenuadapter(getcontext(), adapter) {
  @override
  public void createmenu(swipemenu menu) {
  if (mmenucreator != null) {
   mmenucreator.create(menu);
  }
  }

  @override
  public void onitemclick(swipemenuview view, swipemenu menu,
     int index) {
  boolean flag = false;
  if (monmenuitemclicklistener != null) {
   flag = monmenuitemclicklistener.onmenuitemclick(
    view.getposition(), menu, index);
  }
  if (mtouchview != null && !flag) {
   mtouchview.smoothclosemenu();
  }
  }
 });
 }

 public void setcloseinterpolator(interpolator interpolator) {
 mcloseinterpolator = interpolator;
 }

 public void setopeninterpolator(interpolator interpolator) {
 mopeninterpolator = interpolator;
 }

 public interpolator getopeninterpolator() {
 return mopeninterpolator;
 }

 public interpolator getcloseinterpolator() {
 return mcloseinterpolator;
 }

 @override
 public boolean onintercepttouchevent(motionevent ev) {
 return super.onintercepttouchevent(ev);
 }

 @override
 public boolean ontouchevent(motionevent ev) {
 if (ev.getaction() != motionevent.action_down && mtouchview == null)
  return super.ontouchevent(ev);
 int action = motioneventcompat.getactionmasked(ev);
 action = ev.getaction();
 switch (action) {
  case motionevent.action_down:
  int oldpos = mtouchposition;
  mdownx = ev.getx();
  mdowny = ev.gety();
  mtouchstate = touch_state_none;

  mtouchposition = pointtoposition((int) ev.getx(), (int) ev.gety());

  if (mtouchposition == oldpos && mtouchview != null
   && mtouchview.isopen()) {
   mtouchstate = touch_state_x;
   mtouchview.onswipe(ev);
   return true;
  }

  view view = getchildat(mtouchposition - getfirstvisibleposition());

  if (mtouchview != null && mtouchview.isopen()) {
   mtouchview.smoothclosemenu();
   mtouchview = null;
   // return super.ontouchevent(ev);
   // try to cancel the touch event
   motionevent cancelevent = motionevent.obtain(ev);
   cancelevent.setaction(motionevent.action_cancel);
   ontouchevent(cancelevent);
   return true;
  }
  if (view instanceof swipemenulayout) {
   mtouchview = (swipemenulayout) view;
   mtouchview.setswipedirection(mdirection);
  }
  if (mtouchview != null) {
   mtouchview.onswipe(ev);
  }
  break;
  case motionevent.action_move:
  float dy = math.abs((ev.gety() - mdowny));
  float dx = math.abs((ev.getx() - mdownx));
  if (mtouchstate == touch_state_x) {
   if (mtouchview != null) {
   mtouchview.onswipe(ev);
   }
   getselector().setstate(new int[]{0});
   ev.setaction(motionevent.action_cancel);
   super.ontouchevent(ev);
   // 处理滑动冲突,当处于滑动删除状态时,请求父布局不处理滑动事件
   requestdisallowintercepttouchevent(true);
   return true;
  } else if (mtouchstate == touch_state_none) {
   if (math.abs(dy) > max_y) {
   mtouchstate = touch_state_y;
   } else if (dx > max_x) {
   mtouchstate = touch_state_x;
   if (monswipelistener != null) {
    monswipelistener.onswipestart(mtouchposition);
   }
   }
  }
  break;
  case motionevent.action_up:
  requestdisallowintercepttouchevent(false);
  if (mtouchstate == touch_state_x) {
   if (mtouchview != null) {
   mtouchview.onswipe(ev);
   if (!mtouchview.isopen()) {
    mtouchposition = -1;
    mtouchview = null;
   }
   }
   if (monswipelistener != null) {
   monswipelistener.onswipeend(mtouchposition);
   }
   ev.setaction(motionevent.action_cancel);
   super.ontouchevent(ev);
   return true;
  }
  break;
 }
 return super.ontouchevent(ev);
 }

 public void smoothopenmenu(int position) {
 if (position >= getfirstvisibleposition()
  && position <= getlastvisibleposition()) {
  view view = getchildat(position - getfirstvisibleposition());
  if (view instanceof swipemenulayout) {
  mtouchposition = position;
  if (mtouchview != null && mtouchview.isopen()) {
   mtouchview.smoothclosemenu();
  }
  mtouchview = (swipemenulayout) view;
  mtouchview.setswipedirection(mdirection);
  mtouchview.smoothopenmenu();
  }
 }
 }

 private int dp2px(int dp) {
 return (int) typedvalue.applydimension(typedvalue.complex_unit_dip, dp,
  getcontext().getresources().getdisplaymetrics());
 }

 public void setmenucreator(swipemenucreator menucreator) {
 this.mmenucreator = menucreator;
 }

 public void setonmenuitemclicklistener(
  onmenuitemclicklistener onmenuitemclicklistener) {
 this.monmenuitemclicklistener = onmenuitemclicklistener;
 }

 public void setonswipelistener(onswipelistener onswipelistener) {
 this.monswipelistener = onswipelistener;
 }

 public static interface onmenuitemclicklistener {
 boolean onmenuitemclick(int position, swipemenu menu, int index);
 }

 public static interface onswipelistener {
 void onswipestart(int position);

 void onswipeend(int position);
 }

 public void setswipedirection(int direction) {
 mdirection = direction;
 }
}

package com.example.junweiliu.pulltorefreshswipemenulistviewdemo;

import android.graphics.color;
import android.graphics.drawable.colordrawable;
import android.os.bundle;
import android.os.handler;
import android.os.message;
import android.support.v7.app.appcompatactivity;
import android.util.typedvalue;
import android.view.view;
import android.widget.adapterview;
import android.widget.listview;
import android.widget.simpleadapter;
import android.widget.toast;

import com.handmark.pulltorefresh.library.pulltorefreshbase;

import java.util.arraylist;
import java.util.hashmap;
import java.util.list;
import java.util.map;

import swipemenulistview.pulltorefreshswipemenulistview;
import swipemenulistview.swipemenu;
import swipemenulistview.swipemenucreator;
import swipemenulistview.swipemenuitem;
import swipemenulistview.swipemenulistview;

public class mainactivity extends appcompatactivity {
 /**
 * 控件
 */
 private pulltorefreshswipemenulistview mpulltorefreshswipemenulistview;
 /**
 * 适配器
 */
 private simpleadapter madapter;
 /**
 * 数据源
 */
 list<map<string, object>> datas = new arraylist<map<string, object>>();
 /**
 * 信息
 */
 private string[] message = {"数据0", "数据1", "数据2", "数据3", "数据4", "数据5", "数据6", "数据7", "数据8", "数据9", "数据10"};

 @override
 protected void oncreate(bundle savedinstancestate) {
 super.oncreate(savedinstancestate);
 setcontentview(r.layout.activity_main);
 initdata();
 initview();

 }

 /**
 * 初始化控件
 */
 private void initview() {
 mpulltorefreshswipemenulistview = (pulltorefreshswipemenulistview) findviewbyid(r.id.psl_demo);
 madapter = new simpleadapter(this, datas, r.layout.item_adapter, new string[]{"message"}, new int[]{r.id.tv_message});
 mpulltorefreshswipemenulistview.setmode(pulltorefreshbase.mode.both);
 mpulltorefreshswipemenulistview.setadapter(madapter);
 // 创建删除滑块
 swipemenucreator creator = new swipemenucreator() {
  @override
  public void create(swipemenu menu) {
  swipemenuitem deleteitem = new swipemenuitem(
   getapplicationcontext());
  deleteitem.setbackground(new colordrawable(color.rgb(0xff,
   0x20, 0x20)));
  deleteitem.setwidth(dp2px(63));
//  deleteitem.seticon(r.drawable.ic_delete);
  deleteitem.settitle("删除");
  deleteitem.settitlesize(14);
  deleteitem.settitlecolor(color.white);
  menu.addmenuitem(deleteitem);
  }
 };
 // 设置滑块
 ((swipemenulistview) mpulltorefreshswipemenulistview.getrefreshableview()).setmenucreator(creator);
 // 滑块点击事件
 ((swipemenulistview) mpulltorefreshswipemenulistview.getrefreshableview()).setonmenuitemclicklistener(new swipemenulistview.onmenuitemclicklistener() {
  @override
  public boolean onmenuitemclick(int position, swipemenu menu, int index) {
  switch (index) {
   case 0:
   toast.maketext(mainactivity.this, "删除我了" + position, toast.length_short).show();
   break;
  }
  return false;
  }
 });
 // 滑动监听
 ((swipemenulistview) mpulltorefreshswipemenulistview.getrefreshableview()).setonswipelistener(new swipemenulistview.onswipelistener() {

  @override
  public void onswipestart(int position) {
  }

  @override
  public void onswipeend(int position) {
  }
 });
 // 刷新加载事件
 mpulltorefreshswipemenulistview.setonrefreshlistener(new pulltorefreshbase.onrefreshlistener2<listview>() {
  @override
  public void onpulldowntorefresh(pulltorefreshbase<listview> refreshview) {
  new handler(new handler.callback() {
   @override
   public boolean handlemessage(message message) {
   toast.maketext(mainactivity.this, "刷新成功", toast.length_short).show();
   mpulltorefreshswipemenulistview.onrefreshcomplete();
   return false;
   }
  }).sendemptymessagedelayed(1, 1000);
  }

  @override
  public void onpulluptorefresh(pulltorefreshbase<listview> refreshview) {
  new handler(new handler.callback() {
   @override
   public boolean handlemessage(message message) {
   toast.maketext(mainactivity.this, "加载成功", toast.length_short).show();
   mpulltorefreshswipemenulistview.onrefreshcomplete();
   return false;
   }
  }).sendemptymessagedelayed(2, 1000);
  }
 });
 // 点击事件
 mpulltorefreshswipemenulistview.getrefreshableview().setonitemclicklistener(new adapterview.onitemclicklistener() {
  @override
  public void onitemclick(adapterview<?> adapterview, view view, int i, long l) {

  }
 });

 }

 /**
 * 初始化数据
 */
 private void initdata() {
 for (int i = 0; i < message.length; i++) {
  map<string, object> data = new hashmap<string, object>();
  data.put("message", message[i]);
  datas.add(data);
 }
 }

 /**
 * dp转px
 *
 * @param dp
 * @return
 */
 private int dp2px(int dp) {
 return (int) typedvalue.applydimension(typedvalue.complex_unit_dip, dp,
  getresources().getdisplaymetrics());
 }

}

<?xml version="1.0" encoding="utf-8"?>
<relativelayout
 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"
 tools:context="com.example.junweiliu.pulltorefreshswipemenulistviewdemo.mainactivity">
 <!--上拉加载下拉刷新滑动删除控件-->
 <swipemenulistview.pulltorefreshswipemenulistview
  android:id="@+id/psl_demo"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
 >
 </swipemenulistview.pulltorefreshswipemenulistview>
</relativelayout>

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:gravity="center"
  android:orientation="vertical">
 <textview
  android:id="@+id/tv_message"
  android:layout_width="wrap_content"
  android:layout_height="match_parent"
  android:paddingbottom="30dp"
  android:paddingtop="30dp"
  android:text="数据"
  android:textcolor="@android:color/black"
  android:textsize="16sp"/>
</linearlayout>