Android中ListView绑定CheckBox实现全选增加和删除功能(DEMO)

<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"android:orientation="vertical" ><RelativeLayoutandroid:layout_width="match_parent"android:layout_height="50dp"android:background="#238286" ><TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_centerInParent="true"android:text="ListView绑定CheckBox"android:textColor="#fff" /><TextViewandroid:id="@+id/tv_add"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_alignParentRight="true"android:layout_centerVertical="true"android:layout_marginRight="17dp"android:text="增加"android:textColor="#fff" /></RelativeLayout><ListViewandroid:id="@+id/listview"android:layout_width="match_parent"android:layout_height="0dp"android:layout_weight="1" ></ListView><LinearLayoutandroid:layout_width="match_parent"android:layout_height="50dp"android:orientation="horizontal" ><Buttonandroid:id="@+id/btn_detele"android:layout_width="match_parent"android:layout_height="match_parent"android:layout_marginRight="1dp"android:layout_weight="1"android:background="#238286"android:text="删除"android:textColor="#fff" /><Buttonandroid:id="@+id/btn_select_all"android:layout_width="match_parent"android:layout_height="match_parent"android:layout_marginLeft="1dp"android:layout_weight="1"android:background="#238286"android:text="全选"android:textColor="#fff" /></LinearLayout></LinearLayout>

<?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="50dp"android:gravity="center_vertical"android:orientation="horizontal" ><TextViewandroid:id="@+id/tvTitle"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_marginLeft="15dp"android:layout_weight="7"android:text="text" /><CheckBoxandroid:id="@+id/cbCheckBox"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_weight="1" /></LinearLayout>

private void initView() {tv_add = (TextView) findViewById(R.id.tv_add);tv_add.setOnClickListener(this);btn_detele = (Button) findViewById(R.id.btn_detele);btn_detele.setOnClickListener(this);btn_select_all = (Button) findViewById(R.id.btn_select_all);btn_select_all.setOnClickListener(this);listview = (ListView) findViewById(R.id.listview);}

implements OnClickListener,OnItemClickListener

package com.lgl.lvcheckbox;public class Bean {private String title;// 构造方法public Bean(String title) {super();this.title = title;}public String getTitle() {return title;}public void setTitle(String title) {this.title = title;}}

package com.lgl.lvcheckbox;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;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.CompoundButton;import android.widget.CompoundButton.OnCheckedChangeListener;import android.widget.TextView;/*** 自定义适配器* * @author LGL**/public class ListAdapter extends BaseAdapter {// 数据集private List<Bean> list = new ArrayList<Bean>();// 上下文private Context mContext;// 存储勾选框状态的map集合private Map<Integer, Boolean> isCheck = new HashMap<Integer, Boolean>();// 构造方法public ListAdapter(Context mContext) {super();this.mContext = mContext;// 默认为不选中initCheck(false);}// 初始化map集合public void initCheck(boolean flag) {// map集合的数量和list的数量是一致的for (int i = 0; i < list.size(); i++) {// 设置默认的显示isCheck.put(i, flag);}}// 设置数据public void setData(List<Bean> data) {this.list = data;}// 添加数据public void addData(Bean bean) {// 下标 数据list.add(0, bean);}@Overridepublic int getCount() {// TODO Auto-generated method stub// 如果为null就返回一个0return list != null ? list.size() : 0;}@Overridepublic Object getItem(int position) {// TODO Auto-generated method stubreturn list.get(position);}@Overridepublic long getItemId(int position) {// TODO Auto-generated method stubreturn position;}@Overridepublic View getView(final int position, View convertView, ViewGroup parent) {ViewHolder viewHolder = null;View view = null;// 判断是不是第一次进来if (convertView == null) {view = LayoutInflater.from(mContext).inflate(R.layout.item, null);viewHolder = new ViewHolder();viewHolder.title = (TextView) view.findViewById(R.id.tvTitle);viewHolder.cbCheckBox = (CheckBox) view.findViewById(R.id.cbCheckBox);// 标记，可以复用view.setTag(viewHolder);} else {view = convertView;// 直接拿过来用viewHolder = (ViewHolder) view.getTag();}// 拿到对象Bean bean = list.get(position);// 填充数据viewHolder.title.setText(bean.getTitle().toString());// 勾选框的点击事件viewHolder.cbCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {@Overridepublic void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {// 用map集合保存isCheck.put(position, isChecked);}});// 设置状态if (isCheck.get(position) == null) {isCheck.put(position, false);}viewHolder.cbCheckBox.setChecked(isCheck.get(position));return view;}// 优化public static class ViewHolder {public TextView title;public CheckBox cbCheckBox;}// 全选按钮获取状态public Map<Integer, Boolean> getMap() {// 返回状态return isCheck;}// 删除一个数据public void removeData(int position) {list.remove(position);}}

private void initData() {// 默认显示的数据List<Bean> list = new ArrayList<Bean>();list.add(new Bean("张三"));list.add(new Bean("李四"));list.add(new Bean("王五"));adapter = new ListAdapter(this);adapter.setData(list);listview.setAdapter(adapter);}

// 添加数据case R.id.tv_add:adapter.addData(new Bean("刘桂林"));// 通知刷新适配器adapter.notifyDataSetChanged();break;

case R.id.btn_select_all:// 全选――全不选Map<Integer, Boolean> isCheck = adapter.getMap();if (btn_select_all.getText().equals("全选")) {adapter.initCheck(true);// 通知刷新适配器adapter.notifyDataSetChanged();btn_select_all.setText("全不选");btn_select_all.setTextColor(Color.YELLOW);} else if (btn_select_all.getText().equals("全不选")) {adapter.initCheck(false);// 通知刷新适配器adapter.notifyDataSetChanged();btn_select_all.setText("全选");btn_select_all.setTextColor(Color.YELLOW);}break;

// 删除数据case R.id.btn_detele:// 拿到所有数据Map<Integer, Boolean> isCheck_delete = adapter.getMap();// 获取到条目数量，map.size = list.size,所以int count = adapter.getCount();// 遍历for (int i = 0; i < count; i++) {// 删除有两个map和list都要删除 ,计算方式int position = i - (count - adapter.getCount());// 判断状态 true为删除if (isCheck_delete.get(i) != null && isCheck_delete.get(i)) {// listview删除数据isCheck_delete.remove(i);adapter.removeData(position);}}btn_select_all.setText("全选");btn_select_all.setTextColor(Color.WHITE);adapter.notifyDataSetChanged();break;

int position = i - (count - adapter.getCount());

我们直接点击也是可以勾选cheakbox选中的// listview的点击事件@Overridepublic void onItemClick(AdapterView<?> parent, View view, int position,long id) {// 判断view是否相同if (view.getTag() instanceof ViewHolder) {// 如果是的话，重用ViewHolder holder = (ViewHolder) view.getTag();// 自动触发holder.cbCheckBox.toggle();}}