原文網(wǎng)址：http://blog.csdn.net/onlyonecoder/article/details/8687811

Demo地址（0分資源）：http://download.csdn.net/detail/onlyonecoder/5154352

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由于listview的一些特性，剛開(kāi)始寫(xiě)這種需求的功能的時(shí)候都會(huì)碰到一些問(wèn)題，重點(diǎn)就是存儲(chǔ)每個(gè)checkbox的狀態(tài)值，在這里分享出了完美解決方法：

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布局文件：

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[html]?view plaincopy

<?xml?version="1.0"?encoding="utf-8"?>??

<RelativeLayout?xmlns:android="http://schemas.android.com/apk/res/android"??

????android:layout_width="fill_parent"??

????android:layout_height="fill_parent"??

????android:orientation="horizontal"?>??

??

????<TextView??

????????android:id="@+id/tv"??

????????android:layout_width="fill_parent"??

????????android:layout_height="wrap_content"??

????????android:layout_gravity="center_vertical"?/>??

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????<LinearLayout??

????????android:id="@+id/line"??

????????android:layout_width="fill_parent"??

????????android:layout_height="50dp"??

????????android:layout_below="@+id/tv"??

????????android:orientation="horizontal"?>??

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????????<Button??

????????????android:id="@+id/bt_selectall"??

????????????android:layout_width="80dp"??

????????????android:layout_height="fill_parent"??

????????????android:text="全選"?/>??

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?????????????<Button??

????????????android:id="@+id/bt_cancleselectall"??

????????????android:layout_width="80dp"??

????????????android:layout_height="fill_parent"??

????????????android:text="反選"?/>??

???????????????

??????????

????????<Button??

????????????android:id="@+id/bt_deselectall"??

????????????android:layout_width="80dp"??

????????????android:layout_height="fill_parent"??

????????????android:text="取消選擇"?/>??

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????</LinearLayout>??

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????<ListView??

????????android:id="@+id/lv"??

????????android:layout_width="fill_parent"??

????????android:layout_height="fill_parent"??

????????android:layout_below="@+id/line"?/>??

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</RelativeLayout>??

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listView 的item布局文件：

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[html]?view plaincopy

<?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="horizontal"?>??

??

????<TextView??

????????android:id="@+id/item_tv"??

????????android:layout_width="0dp"??

????????android:layout_height="wrap_content"??

????????android:layout_gravity="center_vertical"??

????????android:layout_weight="1"?/>??

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????<CheckBox??

????????android:id="@+id/item_cb"??

????????android:layout_width="wrap_content"??

????????android:layout_height="wrap_content"??

????????android:clickable="false"??

????????android:focusable="false"??

????????android:focusableInTouchMode="false"??

????????android:gravity="center_vertical"?/>??

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</LinearLayout>??

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Activity:

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[java]?view plaincopy

public?class?Ex_checkboxActivity?extends?Activity?{??

????private?ListView?lv;??

????private?MyAdapter?mAdapter;??

????private?ArrayList<String>?list;??

????private?Button?bt_selectall;??

????private?Button?bt_cancel;??

????private?Button?bt_deselectall;??

????private?int?checkNum;?//?記錄選中的條目數(shù)量??

????private?TextView?tv_show;//?用于顯示選中的條目數(shù)量??

??

????/**?Called?when?the?activity?is?first?created.?*/??

??

????@Override??

????public?void?onCreate(Bundle?savedInstanceState)?{??

????????super.onCreate(savedInstanceState);??

????????setContentView(R.layout.main);??

????????/*?實(shí)例化各個(gè)控件?*/??

????????lv?=?(ListView)?findViewById(R.id.lv);??

????????bt_selectall?=?(Button)?findViewById(R.id.bt_selectall);??

????????bt_cancel?=?(Button)?findViewById(R.id.bt_cancelselectall);??

????????bt_deselectall?=?(Button)?findViewById(R.id.bt_deselectall);??

????????tv_show?=?(TextView)?findViewById(R.id.tv);??

????????list?=?new?ArrayList<String>();??

????????//?為Adapter準(zhǔn)備數(shù)據(jù)??

????????initDate();??

????????//?實(shí)例化自定義的MyAdapter??

????????mAdapter?=?new?MyAdapter(list,?this);??

????????//?綁定Adapter??

????????lv.setAdapter(mAdapter);??

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????????//?全選按鈕的回調(diào)接口??

????????bt_selectall.setOnClickListener(new?OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????//?遍歷list的長(zhǎng)度，將MyAdapter中的map值全部設(shè)為true??

????????????????for?(int?i?=?0;?i?<?list.size();?i++)?{??

????????????????????MyAdapter.getIsSelected().put(i,?true);??

????????????????}??

????????????????//?數(shù)量設(shè)為list的長(zhǎng)度??

????????????????checkNum?=?list.size();??

????????????????//?刷新listview和TextView的顯示??

????????????????dataChanged();??

????????????}??

????????});??

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????????//?反選按鈕的回調(diào)接口??

????????bt_cancel.setOnClickListener(new?OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????//?遍歷list的長(zhǎng)度，將已選的設(shè)為未選，未選的設(shè)為已選??

????????????????for?(int?i?=?0;?i?<?list.size();?i++)?{??

????????????????????if?(MyAdapter.getIsSelected().get(i))?{??

????????????????????????MyAdapter.getIsSelected().put(i,?false);??

????????????????????????checkNum--;??

????????????????????}?else?{??

????????????????????????MyAdapter.getIsSelected().put(i,?true);??

????????????????????????checkNum++;??

????????????????????}??

????????????????}??

????????????????//?刷新listview和TextView的顯示??

????????????????dataChanged();??

????????????}??

????????});??

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????????//?取消按鈕的回調(diào)接口??

????????bt_deselectall.setOnClickListener(new?OnClickListener()?{??

????????????@Override??

????????????public?void?onClick(View?v)?{??

????????????????//?遍歷list的長(zhǎng)度，將已選的按鈕設(shè)為未選??

????????????????for?(int?i?=?0;?i?<?list.size();?i++)?{??

????????????????????if?(MyAdapter.getIsSelected().get(i))?{??

????????????????????????MyAdapter.getIsSelected().put(i,?false);??

????????????????????????checkNum--;//?數(shù)量減1??

????????????????????}??

????????????????}??

????????????????//?刷新listview和TextView的顯示??

????????????????dataChanged();??

????????????}??

????????});??

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????????//?綁定listView的監(jiān)聽(tīng)器??

????????lv.setOnItemClickListener(new?OnItemClickListener()?{??

????????????@Override??

????????????public?void?onItemClick(AdapterView<?>?arg0,?View?arg1,?int?arg2,??

????????????????????long?arg3)?{??

????????????????//?取得ViewHolder對(duì)象，這樣就省去了通過(guò)層層的findViewById去實(shí)例化我們需要的cb實(shí)例的步驟??

????????????????ViewHolder?holder?=?(ViewHolder)?arg1.getTag();??

????????????????//?改變CheckBox的狀態(tài)??

????????????????holder.cb.toggle();??

????????????????//?將CheckBox的選中狀況記錄下來(lái)??

????????????????MyAdapter.getIsSelected().put(arg2,?holder.cb.isChecked());??

????????????????//?調(diào)整選定條目??

????????????????if?(holder.cb.isChecked()?==?true)?{??

????????????????????checkNum++;??

????????????????}?else?{??

????????????????????checkNum--;??

????????????????}??

????????????????//?用TextView顯示??

????????????????tv_show.setText("已選中"?+?checkNum?+?"項(xiàng)");??

????????????}??

????????});??

????}??

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????//?初始化數(shù)據(jù)??

????private?void?initDate()?{??

????????for?(int?i?=?0;?i?<?15;?i++)?{??

????????????list.add("data"?+?"?"?+?i);??

????????}??

????????;??

????}??

????//?刷新listview和TextView的顯示??

????private?void?dataChanged()?{??

????????//?通知listView刷新??

????????mAdapter.notifyDataSetChanged();??

????????//?TextView顯示最新的選中數(shù)目??

????????tv_show.setText("已選中"?+?checkNum?+?"項(xiàng)");??

????};??

}??

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列表適配器：

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[java]?view plaincopy

package?com.notice.listcheck;??

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import?java.util.ArrayList;??

import?java.util.HashMap;??

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import?android.content.Context;??

import?android.view.LayoutInflater;??

import?android.view.View;??

import?android.view.ViewGroup;??

import?android.widget.BaseAdapter;??

import?android.widget.CheckBox;??

import?android.widget.TextView;??

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public?class?MyAdapter?extends?BaseAdapter?{??

????//?填充數(shù)據(jù)的list??

????private?ArrayList<String>?list;??

????//?用來(lái)控制CheckBox的選中狀況??

????private?static?HashMap<Integer,?Boolean>?isSelected;??

????//?上下文??

????private?Context?context;??

????//?用來(lái)導(dǎo)入布局??

????private?LayoutInflater?inflater?=?null;??

??

????//?構(gòu)造器??

????public?MyAdapter(ArrayList<String>?list,?Context?context)?{??

????????this.context?=?context;??

????????this.list?=?list;??

????????inflater?=?LayoutInflater.from(context);??

????????isSelected?=?new?HashMap<Integer,?Boolean>();??

????????//?初始化數(shù)據(jù)??

????????initDate();??

????}??

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????//?初始化isSelected的數(shù)據(jù)??

????private?void?initDate()?{??

????????for?(int?i?=?0;?i?<?list.size();?i++)?{??

????????????getIsSelected().put(i,?false);??

????????}??

????}??

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????@Override??

????public?int?getCount()?{??

????????return?list.size();??

????}??

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????@Override??

????public?Object?getItem(int?position)?{??

????????return?list.get(position);??

????}??

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????@Override??

????public?long?getItemId(int?position)?{??

????????return?position;??

????}??

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????@Override??

????public?View?getView(int?position,?View?convertView,?ViewGroup?parent)?{??

????????ViewHolder?holder?=?null;??

????????if?(convertView?==?null)?{??

????????????//?獲得ViewHolder對(duì)象??

????????????holder?=?new?ViewHolder();??

????????????//?導(dǎo)入布局并賦值給convertview??

????????????convertView?=?inflater.inflate(R.layout.listviewitem,?null);??

????????????holder.tv?=?(TextView)?convertView.findViewById(R.id.item_tv);??

????????????holder.cb?=?(CheckBox)?convertView.findViewById(R.id.item_cb);??

????????????//?為view設(shè)置標(biāo)簽??

????????????convertView.setTag(holder);??

????????}?else?{??

????????????//?取出holder??

????????????holder?=?(ViewHolder)?convertView.getTag();??

????????}??

????????//?設(shè)置list中TextView的顯示??

????????holder.tv.setText(list.get(position));??

????????//?根據(jù)isSelected來(lái)設(shè)置checkbox的選中狀況??

????????holder.cb.setChecked(getIsSelected().get(position));??

????????return?convertView;??

????}??

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????public?static?HashMap<Integer,?Boolean>?getIsSelected()?{??

????????return?isSelected;??

????}??

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????public?static?void?setIsSelected(HashMap<Integer,?Boolean>?isSelected)?{??

????????MyAdapter.isSelected?=?isSelected;??

????}??

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????public?static?class?ViewHolder?{??

????????TextView?tv;??

????????CheckBox?cb;??

????}??

}??

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