package com.ryg.slideview; import com.ryg.slideview.MainActivity.MessageItem; import android.content.Context; import android.util.AttributeSet; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.widget.ListView; public class ListViewCompat extends ListView { private static final String TAG = "ListViewCompat"; private SlideView mFocusedItemView; public ListViewCompat(Context context) { super(context); } public ListViewCompat(Context context, AttributeSet attrs) { super(context, attrs); } public ListViewCompat(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } public void shrinkListItem(int position) { View item = getChildAt(position); if (item != null) { try { ((SlideView) item).shrink(); } catch (ClassCastException e) { e.printStackTrace(); } } } @Override public boolean onTouchEvent(MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: { int x = (int) event.getX(); int y = (int) event.getY(); int position = pointToPosition(x, y); Log.e(TAG, "postion=" + position); if (position != INVALID_POSITION) { MessageItem data = (MessageItem) getItemAtPosition(position); mFocusedItemView = data.slideView; Log.e(TAG, "FocusedItemView=" + mFocusedItemView); } } default: break; } if (mFocusedItemView != null) { mFocusedItemView.onRequireTouchEvent(event); } return super.onTouchEvent(event); } }
package com.ryg.slideview; import java.util.ArrayList; import java.util.List; import com.ryg.slideview.SlideView.OnSlideListener; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.TextView; public class MainActivity extends Activity implements OnItemClickListener, OnClickListener, OnSlideListener { private static final String TAG = "MainActivity"; private ListViewCompat mListView; private List<MessageItem> mMessageItems = new ArrayList<MainActivity.MessageItem>(); private SlideView mLastSlideViewWithStatusOn; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); } private void initView() { mListView = (ListViewCompat) findViewById(R.id.list); for (int i = 0; i < 20; i++) { MessageItem item = new MessageItem(); if (i % 3 == 0) { item.iconRes = R.drawable.default_qq_avatar; item.title = "腾讯新闻"; item.msg = "青岛爆炸满月:大量鱼虾死亡"; item.time = "晚上18:18"; } else { item.iconRes = R.drawable.wechat_icon; item.title = "微信团队"; item.msg = "欢迎你使用微信"; item.time = "12月18日"; } mMessageItems.add(item); } mListView.setAdapter(new SlideAdapter()); mListView.setOnItemClickListener(this); } private class SlideAdapter extends BaseAdapter { private LayoutInflater mInflater; SlideAdapter() { super(); mInflater = getLayoutInflater(); } @Override public int getCount() { return mMessageItems.size(); } @Override public Object getItem(int position) { return mMessageItems.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; SlideView slideView = (SlideView) convertView; if (slideView == null) { View itemView = mInflater.inflate(R.layout.list_item, null); slideView = new SlideView(MainActivity.this); slideView.setContentView(itemView); holder = new ViewHolder(slideView); slideView.setOnSlideListener(MainActivity.this); slideView.setTag(holder); } else { holder = (ViewHolder) slideView.getTag(); } MessageItem item = mMessageItems.get(position); item.slideView = slideView; item.slideView.shrink(); holder.icon.setImageResource(item.iconRes); holder.title.setText(item.title); holder.msg.setText(item.msg); holder.time.setText(item.time); holder.deleteHolder.setOnClickListener(MainActivity.this); return slideView; } } public class MessageItem { public int iconRes; public String title; public String msg; public String time; public SlideView slideView; } private static class ViewHolder { public ImageView icon; public TextView title; public TextView msg; public TextView time; public ViewGroup deleteHolder; ViewHolder(View view) { icon = (ImageView) view.findViewById(R.id.icon); title = (TextView) view.findViewById(R.id.title); msg = (TextView) view.findViewById(R.id.msg); time = (TextView) view.findViewById(R.id.time); deleteHolder = (ViewGroup)view.findViewById(R.id.holder); } } @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Log.e(TAG, "onItemClick position=" + position); } @Override public void onSlide(View view, int status) { if (mLastSlideViewWithStatusOn != null && mLastSlideViewWithStatusOn != view) { mLastSlideViewWithStatusOn.shrink(); } if (status == SLIDE_STATUS_ON) { mLastSlideViewWithStatusOn = (SlideView) view; } } @Override public void onClick(View v) { if (v.getId() == R.id.holder) { Log.e(TAG, "onClick v=" + v); } } }
package com.ryg.slideview; import android.content.Context; import android.util.AttributeSet; import android.util.Log; import android.util.TypedValue; import android.view.MotionEvent; import android.view.View; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.Scroller; import android.widget.TextView; public class SlideView extends LinearLayout { private static final String TAG = "SlideView"; private Context mContext; private LinearLayout mViewContent; private RelativeLayout mHolder; private Scroller mScroller; private OnSlideListener mOnSlideListener; private int mHolderWidth = 120; private int mLastX = 0; private int mLastY = 0; private static final int TAN = 2; public interface OnSlideListener { public static final int SLIDE_STATUS_OFF = 0; public static final int SLIDE_STATUS_START_SCROLL = 1; public static final int SLIDE_STATUS_ON = 2; /** * @param view current SlideView * @param status SLIDE_STATUS_ON or SLIDE_STATUS_OFF */ public void onSlide(View view, int status); } public SlideView(Context context) { super(context); initView(); } public SlideView(Context context, AttributeSet attrs) { super(context, attrs); initView(); } private void initView() { mContext = getContext(); mScroller = new Scroller(mContext); setOrientation(LinearLayout.HORIZONTAL); View.inflate(mContext, R.layout.slide_view_merge, this); mViewContent = (LinearLayout) findViewById(R.id.view_content); mHolderWidth = Math.round(TypedValue.applyDimension( TypedValue.COMPLEX_UNIT_DIP, mHolderWidth, getResources() .getDisplayMetrics())); } public void setButtonText(CharSequence text) { ((TextView)findViewById(R.id.delete)).setText(text); } public void setContentView(View view) { mViewContent.addView(view); } public void setOnSlideListener(OnSlideListener onSlideListener) { mOnSlideListener = onSlideListener; } public void shrink() { if (getScrollX() != 0) { this.smoothScrollTo(0, 0); } } public void onRequireTouchEvent(MotionEvent event) { int x = (int) event.getX(); int y = (int) event.getY(); int scrollX = getScrollX(); Log.d(TAG, "x=" + x + " y=" + y); switch (event.getAction()) { case MotionEvent.ACTION_DOWN: { if (!mScroller.isFinished()) { mScroller.abortAnimation(); } if (mOnSlideListener != null) { mOnSlideListener.onSlide(this, OnSlideListener.SLIDE_STATUS_START_SCROLL); } break; } case MotionEvent.ACTION_MOVE: { int deltaX = x - mLastX; int deltaY = y - mLastY; if (Math.abs(deltaX) < Math.abs(deltaY) * TAN) { break; } int newScrollX = scrollX - deltaX; if (deltaX != 0) { if (newScrollX < 0) { newScrollX = 0; } else if (newScrollX > mHolderWidth) { newScrollX = mHolderWidth; } this.scrollTo(newScrollX, 0); } break; } case MotionEvent.ACTION_UP: { int newScrollX = 0; if (scrollX - mHolderWidth * 0.75 > 0) { newScrollX = mHolderWidth; } this.smoothScrollTo(newScrollX, 0); if (mOnSlideListener != null) { mOnSlideListener.onSlide(this, newScrollX == 0 ? OnSlideListener.SLIDE_STATUS_OFF : OnSlideListener.SLIDE_STATUS_ON); } break; } default: break; } mLastX = x; mLastY = y; } private void smoothScrollTo(int destX, int destY) { // 缂撴參婊氬姩鍒版寚瀹氫綅缃� int scrollX = getScrollX(); int delta = destX - scrollX; mScroller.startScroll(scrollX, 0, delta, 0, Math.abs(delta) * 3); invalidate(); } @Override public void computeScroll() { if (mScroller.computeScrollOffset()) { scrollTo(mScroller.getCurrX(), mScroller.getCurrY()); postInvalidate(); } } }
holder_bg.xml
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@color/dimgrey" android:state_pressed="true"></item> <item android:drawable="@color/dimgrey" android:state_focused="true"></item> <item android:drawable="@color/dimgrey" android:state_selected="true"></item> <item android:drawable="@color/gray" android:state_enabled="true"></item> <item android:drawable="@color/gray" android:state_enabled="false"></item> </selector>
list_item_bg.xml
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@drawable/item_point_bg" android:state_pressed="true"></item> <item android:drawable="@drawable/item_point_bg" android:state_focused="true"></item> <item android:drawable="@drawable/item_point_bg" android:state_selected="true"></item> <item android:drawable="@android:color/transparent" android:state_enabled="true"></item> <item android:drawable="@android:color/transparent" android:state_enabled="false"></item> </selector>
main.xml
<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" > <com.ryg.slideview.ListViewCompat android:id="@+id/list" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#fff4f7f9" android:cacheColorHint="#00000000" android:divider="#dddbdb" android:dividerHeight="1.0px" android:drawSelectorOnTop="false" android:listSelector="@android:color/transparent" android:scrollbars="none" /> </LinearLayout>
list_item.xml
<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="58dp" android:background="@drawable/list_item_bg" android:descendantFocusability="blocksDescendants" android:gravity="center_vertical" android:paddingBottom="5dp" android:paddingLeft="10dp" android:paddingRight="10dp" android:paddingTop="5dp" > <ImageView android:id="@+id/icon" android:layout_width="50dp" android:layout_height="50dp" android:layout_marginRight="5dp" android:src="@drawable/wechat_icon" /> <TextView android:id="@+id/title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toRightOf="@id/icon" android:textColor="@color/black" android:textSize="15sp" /> <TextView android:id="@+id/msg" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBottom="@id/icon" android:layout_alignLeft="@id/title" android:textColor="@color/grey" /> <TextView android:id="@+id/time" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_alignTop="@id/title" android:textColor="@color/grey" /> </RelativeLayout>
slide_view_merge.xml
<?xml version="1.0" encoding="utf-8"?> <merge xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" > <LinearLayout android:id="@+id/view_content" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" > </LinearLayout> <RelativeLayout android:id="@+id/holder" android:layout_width="120dp" android:layout_height="match_parent" android:clickable="true" android:background="@drawable/holder_bg"> <TextView android:id="@+id/delete" android:layout_width="wrap_content" android:layout_height="wrap_content" android:drawableLeft="@drawable/del_icon_normal" android:layout_centerInParent="true" android:gravity="center" android:textColor="@color/floralwhite" android:text="删除" /> </RelativeLayout> </merge>
colors.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <color name="white">#FFFFFF</color> <!-- 白色 --> <color name="ivory">#FFFFF0</color> <!-- 象牙色 --> <color name="lightyellow">#FFFFE0</color> <!-- 亮黄色 --> <color name="yellow">#FFFF00</color> <!-- 黄色 --> <color name="snow">#FFFAFA</color> <!-- 雪白色 --> <color name="floralwhite">#FFFAF0</color> <!-- 花白色 --> <color name="lemonchiffon">#FFFACD</color> <!-- 柠檬绸色 --> <color name="cornsilk">#FFF8DC</color> <!-- 米绸色 --> <color name="seashell">#FFF5EE</color> <!-- 海贝色 --> <color name="lavenderblush">#FFF0F5</color> <!-- 淡紫红 --> <color name="papayawhip">#FFEFD5</color> <!-- 番木色 --> <color name="blanchedalmond">#FFEBCD</color> <!-- 白杏色 --> <color name="mistyrose">#FFE4E1</color> <!-- 浅玫瑰色 --> <color name="bisque">#FFE4C4</color> <!-- 桔黄色 --> <color name="moccasin">#FFE4B5</color> <!-- 鹿皮色 --> <color name="navajowhite">#FFDEAD</color> <!-- 纳瓦白 --> <color name="peachpuff">#FFDAB9</color> <!-- 桃色 --> <color name="gold">#FFD700</color> <!-- 金色 --> <color name="pink">#FFC0CB</color> <!-- 粉红色 --> <color name="lightpink">#FFB6C1</color> <!-- 亮粉红色 --> <color name="orange">#FFA500</color> <!-- 橙色 --> <color name="lightsalmon">#FFA07A</color> <!-- 亮肉色 --> <color name="darkorange">#FF8C00</color> <!-- 暗桔黄色 --> <color name="coral">#FF7F50</color> <!-- 珊瑚色 --> <color name="hotpink">#FF69B4</color> <!-- 热粉红色 --> <color name="tomato">#FF6347</color> <!-- 西红柿色 --> <color name="orangered">#FF4500</color> <!-- 红橙色 --> <color name="deeppink">#FF1493</color> <!-- 深粉红色 --> <color name="fuchsia">#FF00FF</color> <!-- 紫红色 --> <color name="magenta">#FF00FF</color> <!-- 红紫色 --> <color name="red">#FF0000</color> <!-- 红色 --> <color name="oldlace">#FDF5E6</color> <!-- 老花色 --> <color name="lightgoldenrodyellow">#FAFAD2</color> <!-- 亮金黄色 --> <color name="linen">#FAF0E6</color> <!-- 亚麻色 --> <color name="antiquewhite">#FAEBD7</color> <!-- 古董白 --> <color name="salmon">#FA8072</color> <!-- 鲜肉色 --> <color name="ghostwhite">#F8F8FF</color> <!-- 幽灵白 --> <color name="mintcream">#F5FFFA</color> <!-- 薄荷色 --> <color name="whitesmoke">#F5F5F5</color> <!-- 烟白色 --> <color name="beige">#F5F5DC</color> <!-- 米色 --> <color name="wheat">#F5DEB3</color> <!-- 浅黄色 --> <color name="sandybrown">#F4A460</color> <!-- 沙褐色 --> <color name="azure">#F0FFFF</color> <!-- 天蓝色 --> <color name="honeydew">#F0FFF0</color> <!-- 蜜色 --> <color name="aliceblue">#F0F8FF</color> <!-- 艾利斯兰 --> <color name="khaki">#F0E68C</color> <!-- 黄褐色 --> <color name="lightcoral">#F08080</color> <!-- 亮珊瑚色 --> <color name="palegoldenrod">#EEE8AA</color> <!-- 苍麒麟色 --> <color name="violet">#EE82EE</color> <!-- 紫罗兰色 --> <color name="darksalmon">#E9967A</color> <!-- 暗肉色 --> <color name="lavender">#E6E6FA</color> <!-- 淡紫色 --> <color name="lightcyan">#E0FFFF</color> <!-- 亮青色 --> <color name="burlywood">#DEB887</color> <!-- 实木色 --> <color name="plum">#DDA0DD</color> <!-- 洋李色 --> <color name="gainsboro">#DCDCDC</color> <!-- 淡灰色 --> <color name="crimson">#DC143C</color> <!-- 暗深红色 --> <color name="palevioletred">#DB7093</color> <!-- 苍紫罗兰色 --> <color name="goldenrod">#DAA520</color> <!-- 金麒麟色 --> <color name="orchid">#DA70D6</color> <!-- 淡紫色 --> <color name="thistle">#D8BFD8</color> <!-- 蓟色 --> <color name="lightgray">#D3D3D3</color> <!-- 亮灰色 --> <color name="lightgrey">#D3D3D3</color> <!-- 亮灰色 --> <color name="tan">#D2B48C</color> <!-- 茶色 --> <color name="chocolate">#D2691E</color> <!-- 巧可力色 --> <color name="peru">#CD853F</color> <!-- 秘鲁色 --> <color name="indianred">#CD5C5C</color> <!-- 印第安红 --> <color name="mediumvioletred">#C71585</color> <!-- 中紫罗兰色 --> <color name="silver">#C0C0C0</color> <!-- 银色 --> <color name="darkkhaki">#BDB76B</color> <!-- 暗黄褐色 --> <color name="rosybrown">#BC8F8F</color> <!-- 褐玫瑰红 --> <color name="mediumorchid">#BA55D3</color> <!-- 中粉紫色 --> <color name="darkgoldenrod">#B8860B</color> <!-- 暗金黄色 --> <color name="firebrick">#B22222</color> <!-- 火砖色 --> <color name="powderblue">#B0E0E6</color> <!-- 粉蓝色 --> <color name="lightsteelblue">#B0C4DE</color> <!-- 亮钢兰色 --> <color name="paleturquoise">#AFEEEE</color> <!-- 苍宝石绿 --> <color name="greenyellow">#ADFF2F</color> <!-- 黄绿色 --> <color name="lightblue">#ADD8E6</color> <!-- 亮蓝色 --> <color name="darkgray">#A9A9A9</color> <!-- 暗灰色 --> <color name="darkgrey">#A9A9A9</color> <!-- 暗灰色 --> <color name="brown">#A52A2A</color> <!-- 褐色 --> <color name="sienna">#A0522D</color> <!-- 赭色 --> <color name="darkorchid">#9932CC</color> <!-- 暗紫色 --> <color name="palegreen">#98FB98</color> <!-- 苍绿色 --> <color name="darkviolet">#9400D3</color> <!-- 暗紫罗兰色 --> <color name="mediumpurple">#9370DB</color> <!-- 中紫色 --> <color name="lightgreen">#90EE90</color> <!-- 亮绿色 --> <color name="darkseagreen">#8FBC8F</color> <!-- 暗海兰色 --> <color name="saddlebrown">#8B4513</color> <!-- 重褐色 --> <color name="darkmagenta">#8B008B</color> <!-- 暗洋红 --> <color name="darkred">#8B0000</color> <!-- 暗红色 --> <color name="blueviolet">#8A2BE2</color> <!-- 紫罗兰蓝色 --> <color name="lightskyblue">#87CEFA</color> <!-- 亮天蓝色 --> <color name="skyblue">#87CEEB</color> <!-- 天蓝色 --> <color name="gray">#808080</color> <!-- 灰色 --> <color name="grey">#808080</color> <!-- 灰色 --> <color name="olive">#808000</color> <!-- 橄榄色 --> <color name="purple">#800080</color> <!-- 紫色 --> <color name="maroon">#800000</color> <!-- 粟色 --> <color name="aquamarine">#7FFFD4</color> <!-- 碧绿色 --> <color name="chartreuse">#7FFF00</color> <!-- 黄绿色 --> <color name="lawngreen">#7CFC00</color> <!-- 草绿色 --> <color name="mediumslateblue">#7B68EE</color> <!-- 中暗蓝色 --> <color name="lightslategray">#778899</color> <!-- 亮蓝灰 --> <color name="lightslategrey">#778899</color> <!-- 亮蓝灰 --> <color name="slategray">#708090</color> <!-- 灰石色 --> <color name="slategrey">#708090</color> <!-- 灰石色 --> <color name="olivedrab">#6B8E23</color> <!-- 深绿褐色 --> <color name="slateblue">#6A5ACD</color> <!-- 石蓝色 --> <color name="dimgray">#696969</color> <!-- 暗灰色 --> <color name="dimgrey">#696969</color> <!-- 暗灰色 --> <color name="mediumaquamarine">#66CDAA</color> <!-- 中绿色 --> <color name="cornflowerblue">#6495ED</color> <!-- 菊兰色 --> <color name="cadetblue">#5F9EA0</color> <!-- 军兰色 --> <color name="darkolivegreen">#556B2F</color> <!-- 暗橄榄绿 --> <color name="indigo">#4B0082</color> <!-- 靛青色 --> <color name="mediumturquoise">#48D1CC</color> <!-- 中绿宝石 --> <color name="darkslateblue">#483D8B</color> <!-- 暗灰蓝色 --> <color name="steelblue">#4682B4</color> <!-- 钢兰色 --> <color name="royalblue">#4169E1</color> <!-- 皇家蓝 --> <color name="turquoise">#40E0D0</color> <!-- 青绿色 --> <color name="mediumseagreen">#3CB371</color> <!-- 中海蓝 --> <color name="limegreen">#32CD32</color> <!-- 橙绿色 --> <color name="darkslategray">#2F4F4F</color> <!-- 暗瓦灰色 --> <color name="darkslategrey">#2F4F4F</color> <!-- 暗瓦灰色 --> <color name="seagreen">#2E8B57</color> <!-- 海绿色 --> <color name="forestgreen">#228B22</color> <!-- 森林绿 --> <color name="lightseagreen">#20B2AA</color> <!-- 亮海蓝色 --> <color name="dodgerblue">#1E90FF</color> <!-- 闪兰色 --> <color name="midnightblue">#191970</color> <!-- 中灰兰色 --> <color name="aqua">#00FFFF</color> <!-- 浅绿色 --> <color name="cyan">#00FFFF</color> <!-- 青色 --> <color name="springgreen">#00FF7F</color> <!-- 春绿色 --> <color name="lime">#00FF00</color> <!-- 酸橙色 --> <color name="mediumspringgreen">#00FA9A</color> <!-- 中春绿色 --> <color name="darkturquoise">#00CED1</color> <!-- 暗宝石绿 --> <color name="deepskyblue">#00BFFF</color> <!-- 深天蓝色 --> <color name="darkcyan">#008B8B</color> <!-- 暗青色 --> <color name="teal">#008080</color> <!-- 水鸭色 --> <color name="green">#008000</color> <!-- 绿色 --> <color name="darkgreen">#006400</color> <!-- 暗绿色 --> <color name="blue">#0000FF</color> <!-- 蓝色 --> <color name="mediumblue">#0000CD</color> <!-- 中兰色 --> <color name="darkblue">#00008B</color> <!-- 暗蓝色 --> <color name="navy">#000080</color> <!-- 海军色 --> <color name="black">#000000</color> <!-- 黑色 --> </resources>
styles.xml
<resources> <!-- Base application theme, dependent on API level. This theme is replaced by AppBaseTheme from res/values-vXX/styles.xml on newer devices. --> <style name="AppBaseTheme" parent="android:Theme.Light"> <!-- Theme customizations available in newer API levels can go in res/values-vXX/styles.xml, while customizations related to backward-compatibility can go here. --> </style> <!-- Application theme. --> <style name="AppTheme" parent="AppBaseTheme"> <!-- All customizations that are NOT specific to a particular API-level can go here. --> </style> </resources>
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ListView的滑动删除功能使得用户可以方便地通过手势操作来移除列表中的条目,极大地提升了用户体验。本篇将详细介绍如何实现ListView的滑动删除item的功能,并提供相关的编程技巧。 一、基本原理 滑动删除的核心...
本示例源码“应用源码之仿QQ消息列表(ListView)滑动删除效果源码”着重讲解了如何实现类似QQ消息列表的滑动删除功能,这对于提升用户交互体验至关重要。以下是关于这个主题的详细知识点: 1. **ListView基本原理**...
滑动删除功能则是ListView的一个高级特性,它允许用户通过手势滑动列表中的单个item来执行删除操作,提高了用户的交互体验。下面将详细探讨如何在Android中实现ListView的滑动删除功能。 首先,实现滑动删除功能...
这个压缩包文件"小程序源码 仿QQ消息列表(ListView)滑动删除效果源码.rar"包含了一个实现这一功能的源码示例。在这个项目中,开发者可以学习到如何在ListView组件上实现滑动操作,以及如何添加删除功能。 首先,...
自定义ListView不仅可以满足基本的显示需求,还能实现各种交互效果,如滑动删除功能。本篇将详细讲解如何为ListView添加滑动删除的功能。 首先,我们需要理解ListView的工作原理。ListView通过Adapter来填充数据,...
这个压缩包"仿QQ消息列表(ListView)滑动删除效果源码.zip"显然包含了实现类似QQ消息应用中的滑动删除功能的源代码。这种功能是用户界面交互的一个重要元素,增强了用户体验,让用户能够更加直观、便捷地管理列表中的...
8. **自定义布局**:为了实现滑动删除的效果,可能需要对ListView的Item布局进行定制,让其在滑动时显示删除按钮或者其他提示信息。 9. **线程安全**:在多线程环境下,如主线程(UI线程)和后台线程同时操作...
仿QQ消息列表(ListView)滑动删除效果源码.zip项目安卓应用源码下载仿QQ消息列表(ListView)滑动删除效果源码.zip项目安卓应用源码下载 1.适合学生毕业设计研究参考 2.适合个人学习研究参考 3.适合公司开发项目技术...
QQ消息列表的滑动删除效果是用户体验设计中的一种常见功能,它允许用户通过简单的手势操作来删除列表中的条目,提高了交互的效率和趣味性。这个效果在很多社交应用中都有应用,如微信、QQ等。下面我们将深入探讨如何...
本篇将深入探讨如何在ListView中实现左右滑动删除的特性。 首先,我们要明白这个功能的核心在于检测用户的滑动手势。在Android中,我们可以使用GestureDetector或者SwipeRefreshLayout等组件来捕捉滑动事件。但在...