/**
* @file XListView.java
* @package me.maxwin.view
* @create Mar 18, 2012 6:28:41 PM
* @author Maxwin
* @description An ListView support (a) Pull down to refresh, (b) Pull up to load more.
* Implement IXListViewListener, and see stopRefresh() / stopLoadMore().
*/
package org.com.cctest.view;
import org.com.cctest.R;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.animation.DecelerateInterpolator;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.Scroller;
import android.widget.TextView;
public class XListView extends ListView implements OnScrollListener {
private float mLastY = -1; // save event y
private Scroller mScroller; // used for scroll back
private OnScrollListener mScrollListener; // user's scroll listener
// the interface to trigger refresh and load more.
private IXListViewListener mListViewListener;
// -- header view
private XListViewHeader mHeaderView;
// header view content, use it to calculate the Header's height. And hide it
// when disable pull refresh.
private RelativeLayout mHeaderViewContent;
private TextView mHeaderTimeView;
private int mHeaderViewHeight; // header view's height
private boolean mEnablePullRefresh = true;
private boolean mPullRefreshing = false; // is refreashing.
// -- footer view
private XListViewFooter mFooterView;
private boolean mEnablePullLoad;
private boolean mPullLoading;
private boolean mIsFooterReady = false;
// total list items, used to detect is at the bottom of listview.
private int mTotalItemCount;
// for mScroller, scroll back from header or footer.
private int mScrollBack;
private final static int SCROLLBACK_HEADER = 0;
private final static int SCROLLBACK_FOOTER = 1;
private final static int SCROLL_DURATION = 400; // scroll back duration
private final static int PULL_LOAD_MORE_DELTA = 50; // when pull up >= 50px
// at bottom, trigger
// load more.
private final static float OFFSET_RADIO = 1.8f; // support iOS like pull
// feature.
/**
* @param context
*/
public XListView(Context context) {
super(context);
initWithContext(context);
}
public XListView(Context context, AttributeSet attrs) {
super(context, attrs);
initWithContext(context);
}
public XListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initWithContext(context);
}
private void initWithContext(Context context) {
mScroller = new Scroller(context, new DecelerateInterpolator());
// XListView need the scroll event, and it will dispatch the event to
// user's listener (as a proxy).
super.setOnScrollListener(this);
// init header view
mHeaderView = new XListViewHeader(context);
mHeaderViewContent = (RelativeLayout) mHeaderView
.findViewById(R.id.xlistview_header_content);
mHeaderTimeView = (TextView) mHeaderView
.findViewById(R.id.xlistview_header_time);
addHeaderView(mHeaderView);
// init footer view
mFooterView = new XListViewFooter(context);
// init header height
mHeaderView.getViewTreeObserver().addOnGlobalLayoutListener(
new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
mHeaderViewHeight = mHeaderViewContent.getHeight();
getViewTreeObserver()
.removeGlobalOnLayoutListener(this);
}
});
}
@Override
public void setAdapter(ListAdapter adapter) {
// make sure XListViewFooter is the last footer view, and only add once.
if (mIsFooterReady == false) {
mIsFooterReady = true;
addFooterView(mFooterView);
}
super.setAdapter(adapter);
}
/**
* enable or disable pull down refresh feature.
*
* @param enable
*/
public void setPullRefreshEnable(boolean enable) {
mEnablePullRefresh = enable;
if (!mEnablePullRefresh) { // disable, hide the content
mHeaderViewContent.setVisibility(View.INVISIBLE);
} else {
mHeaderViewContent.setVisibility(View.VISIBLE);
}
}
/**
* enable or disable pull up load more feature.
*
* @param enable
*/
public void setPullLoadEnable(boolean enable) {
mEnablePullLoad = enable;
if (!mEnablePullLoad) {
mFooterView.hide();
mFooterView.setOnClickListener(null);
} else {
mPullLoading = false;
mFooterView.show();
mFooterView.setState(XListViewFooter.STATE_NORMAL);
// both "pull up" and "click" will invoke load more.
mFooterView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startLoadMore();
}
});
}
}
/**
* stop refresh, reset header view.
*/
public void stopRefresh() {
if (mPullRefreshing == true) {
mPullRefreshing = false;
resetHeaderHeight();
}
}
/**
* stop load more, reset footer view.
*/
public void stopLoadMore() {
if (mPullLoading == true) {
mPullLoading = false;
mFooterView.setState(XListViewFooter.STATE_NORMAL);
}
}
/**
* set last refresh time
*
* @param time
*/
public void setRefreshTime(String time) {
mHeaderTimeView.setText(time);
}
private void invokeOnScrolling() {
if (mScrollListener instanceof OnXScrollListener) {
OnXScrollListener l = (OnXScrollListener) mScrollListener;
l.onXScrolling(this);
}
}
private void updateHeaderHeight(float delta) {
mHeaderView.setVisiableHeight((int) delta
+ mHeaderView.getVisiableHeight());
if (mEnablePullRefresh && !mPullRefreshing) { // 未处于刷新状态,更新箭头
if (mHeaderView.getVisiableHeight() > mHeaderViewHeight) {
mHeaderView.setState(XListViewHeader.STATE_READY);
} else {
mHeaderView.setState(XListViewHeader.STATE_NORMAL);
}
}
setSelection(0); // scroll to top each time
}
/**
* reset header view's height.
*/
private void resetHeaderHeight() {
int height = mHeaderView.getVisiableHeight();
if (height == 0) // not visible.
return;
// refreshing and header isn't shown fully. do nothing.
if (mPullRefreshing && height <= mHeaderViewHeight) {
return;
}
int finalHeight = 0; // default: scroll back to dismiss header.
// is refreshing, just scroll back to show all the header.
if (mPullRefreshing && height > mHeaderViewHeight) {
finalHeight = mHeaderViewHeight;
}
mScrollBack = SCROLLBACK_HEADER;
mScroller.startScroll(0, height, 0, finalHeight - height,
SCROLL_DURATION);
// trigger computeScroll
invalidate();
}
private void updateFooterHeight(float delta) {
int height = mFooterView.getBottomMargin() + (int) delta;
if (mEnablePullLoad && !mPullLoading) {
if (height > PULL_LOAD_MORE_DELTA) { // height enough to invoke load
// more.
mFooterView.setState(XListViewFooter.STATE_READY);
} else {
mFooterView.setState(XListViewFooter.STATE_NORMAL);
}
}
mFooterView.setBottomMargin(height);
// setSelection(mTotalItemCount - 1); // scroll to bottom
}
private void resetFooterHeight() {
int bottomMargin = mFooterView.getBottomMargin();
if (bottomMargin > 0) {
mScrollBack = SCROLLBACK_FOOTER;
mScroller.startScroll(0, bottomMargin, 0, -bottomMargin,
SCROLL_DURATION);
invalidate();
}
}
private void startLoadMore() {
mPullLoading = true;
mFooterView.setState(XListViewFooter.STATE_LOADING);
if (mListViewListener != null) {
mListViewListener.onLoadMore();
}
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (mLastY == -1) {
mLastY = ev.getRawY();
}
switch (ev.getAction()) {
case MotionEvent.ACTIO
没有合适的资源?快使用搜索试试~ 我知道了~
下拉上拉刷新 XListview实现上拉刷新下拉加载功能(程序源码).rar
共56个文件
class:17个
png:15个
xml:9个
1.该资源内容由用户上传,如若侵权请联系客服进行举报
2.虚拟产品一经售出概不退款(资源遇到问题,请及时私信上传者)
2.虚拟产品一经售出概不退款(资源遇到问题,请及时私信上传者)
版权申诉
0 下载量 130 浏览量
2023-03-17
08:59:35
上传
评论
收藏 113KB RAR 举报
温馨提示
免责声明:资料部分来源于合法的互联网渠道收集和整理,部分自己学习积累成果,供大家学习参考与交流。收取的费用仅用于收集和整理资料耗费时间的酬劳。 本人尊重原创作者或出版方,资料版权归原作者或出版方所有,本人不对所涉及的版权问题或内容负法律责任。如有侵权,请举报或通知本人删除。
资源推荐
资源详情
资源评论
收起资源包目录
下拉上拉刷新 XListview实现上拉刷新下拉加载功能(程序源码).rar (56个子文件)
XListview实现上拉刷新下拉加载功能
XListViewDemo
ListViewDemo
project.properties 361B
.classpath 475B
.settings
org.eclipse.jdt.core.prefs 177B
assets
src
org
com
cctest
XListViewActivity.java 2KB
view
XListView.java 11KB
XListViewHeader.java 4KB
XListViewFooter.java 3KB
res
drawable-mdpi
ic_launcher.png 3KB
drawable-xhdpi
drawable-ldpi
xlistview_arrow.png 1KB
ic_launcher.png 2KB
values
strings.xml 642B
layout
xlistview_footer.xml 1017B
xlistview_header.xml 2KB
listviewactivity2listview.xml 754B
list_item.xml 334B
listviewactivity.xml 417B
xlistview.xml 664B
drawable-hdpi
xlistview_arrow.png 1KB
ic_launcher.png 4KB
bin
classes
org
com
cctest
XListViewActivity$2.class 860B
R$string.class 724B
XListViewActivity$1.class 1KB
R$layout.class 589B
XListViewActivity.class 4KB
R$id.class 1KB
view
XListViewFooter.class 3KB
XListView$1.class 1KB
XListView.class 8KB
XListView$IXListViewListener.class 272B
XListView$OnXScrollListener.class 381B
XListView$2.class 779B
XListViewHeader.class 3KB
BuildConfig.class 337B
R$attr.class 328B
R$drawable.class 434B
R.class 503B
resources.ap_ 17KB
jarlist.cache 120B
res
drawable-mdpi
ic_launcher.png 2KB
drawable-ldpi
xlistview_arrow.png 380B
ic_launcher.png 2KB
crunch
drawable-mdpi
ic_launcher.png 2KB
drawable-ldpi
xlistview_arrow.png 380B
ic_launcher.png 2KB
drawable-hdpi
xlistview_arrow.png 380B
ic_launcher.png 4KB
drawable-hdpi
xlistview_arrow.png 380B
ic_launcher.png 4KB
ListViewDemo.apk 27KB
classes.dex 16KB
dexedLibs
AndroidManifest.xml 745B
proguard.cfg 1KB
.project 1KB
AndroidManifest.xml 745B
gen
org
com
cctest
BuildConfig.java 156B
R.java 2KB
共 56 条
- 1
资源评论
金枝玉叶9
- 粉丝: 137
- 资源: 7640
上传资源 快速赚钱
- 我的内容管理 展开
- 我的资源 快来上传第一个资源
- 我的收益 登录查看自己的收益
- 我的积分 登录查看自己的积分
- 我的C币 登录后查看C币余额
- 我的收藏
- 我的下载
- 下载帮助
最新资源
- 基于JavaScript讲解的数据结构和算法
- python计算机视觉python-computer-vision.rar
- VB+ACCESS计算机等级考试管理系统(源代码+系统+答辩PPT).zip
- python密码python-ciphers.rar
- 2c60fbb3dt9ad50ed8864298eea1484b.MP4
- 基于yolov8+dlib实现视觉识别的安全驾驶监测系统部署到jetson NX平台源码+模型.zip
- Qt框架+OpenCV+动态爱心+编程教学+520
- 基于opencv+yolov8实现目标追踪及驻留时长统计源码.zip
- 水稻病害基于Yolov8算法优化目标检测识别与AI辅助决策python源码+模型+使用说明.zip
- 海尔618算价表_七海5.20_16.00xlsx(1)(2).xlsx
资源上传下载、课程学习等过程中有任何疑问或建议,欢迎提出宝贵意见哦~我们会及时处理!
点击此处反馈
安全验证
文档复制为VIP权益,开通VIP直接复制
信息提交成功