Android中listview的全选、全不选、反选、获得选中条目数据

先说明接下来要实现的ListView+CheckBox支持的功能：

    1.  外部点击“编辑”（长按ListView的某一项也可），出现复选框；

    2.  支持全选、复选、全不选

    3.  支持获取选中的数据的信息

  下面是mainactivity的xml布局

    xmlns:tools="http://schemas.android.com/tools"
    android:layout_
    android:layout_
    android:orientation="vertical">

            android:layout_
        android:layout_
        android:orientation="horizontal">
                    android:id="@+id/edit1"
            android:OnClick="btnEditList"
            android:layout_
            android:layout_
            android:text="编辑"/>
                    android:id="@+id/edit2"
            android:OnClick="btnSelectAllList"
            android:layout_
            android:layout_
            android:text="全选"/>
                    android:id="@+id/edit3"
            android:OnClick="btnNoList"
            android:layout_
            android:layout_
            android:text="全不选"/>
                    android:id="@+id/edit4"
            android:OnClick="btnfanxuanList"
            android:layout_
            android:layout_
            android:text="反选"/>
                    android:id="@+id/edit5"
            android:OnClick="btnOperateList"
            android:layout_
            android:layout_
            android:text="获得选中的数据"/>
    
    
            android:id="@+id/listview"
        android:layout_
        android:layout_
        >
    

    xmlns:tools="http://schemas.android.com/tools"
    android:layout_
    android:layout_
    android:orientation="vertical">

            android:layout_  
        android:layout_  
        android:layout_gravity="center_vertical"  
        android:gravity="center_vertical"  
        android:orientation="horizontal">  
  
                    android:id="@+id/checkbox_operate_data"  
            android:layout_  
            android:layout_  
            android:layout_gravity="center_vertical"  
            android:layout_margin="6dp"  
            />  
  
                    android:id="@+id/material_item_img"  
            android:layout_  
            android:layout_  
            android:layout_gravity="center_vertical"  
            android:adjustViewBounds="true"  
            android:scaleType="centerCrop"  
            android:src="@drawable/ic_launcher" />  
  
  
      
  
  
            android:layout_  
        android:layout_  
        android:layout_gravity="center_vertical"  
        android:orientation="horizontal"  
        android:paddingBottom="10dp"  
        android:paddingTop="10dp">  
  
                    android:id="@+id/user_head_img"  
            android:layout_  
            android:layout_  
            android:background="#4483c9" />  
  
                    android:layout_  
            android:layout_  
            android:orientation="vertical">  
  
                            android:id="@+id/text_title"  
                android:layout_  
                android:layout_  
                android:gravity="center_vertical"  
                android:singleLine="true"  
                android:text="标题"  
                android:textColor="#555555"  
                android:textSize="16sp" />  
  
                            android:layout_  
                android:layout_  
                android:layout_marginTop="10dp"  
                android:gravity="center_vertical"  
                android:orientation="horizontal">  
  
                                    android:id="@+id/text_desc"  
                    android:layout_  
                    android:layout_  
                    android:layout_gravity="center_vertical"  
                    android:gravity="bottom"  
                    android:singleLine="true"  
                    android:text="描述描述描述描述描述描述"  
                    android:textColor="#aaaaaa"  
                    android:textSize="14sp" />  
  
              
          
      

package com.example.listview;

public class DataBean {

 public String id;  
  
    public String title;  
  
    public String desc;  
  
    public boolean isCheck;  //该属性主要标志CheckBox是否选中
  
    public DataBean(String id, String title, String desc) {  
        this.id = id;  
        this.title = title;  
        this.desc = desc;  
    }  


}

package com.example.listview;

import java.util.List;

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;

public class MyAdapter extends BaseAdapter {

private Context mContext;

private List mDatas;

private LayoutInflater mInflater;

//public boolean flage = false;

public MyAdapter(Context mContext, List mDatas) {
this.mCOntext= mContext;
this.mDatas = mDatas;

mInflater = LayoutInflater.from(this.mContext);

}

@Override
public int getCount() {
// TODO Auto-generated method stub
return mDatas.size();
}

@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return mDatas.get(arg0);
}

@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return arg0;
}

@Override
public View getView(int position, View convertView, ViewGroup viewGroup) {
ViewHolder holder = null;
if (cOnvertView== null) {
holder = new ViewHolder();
// 条目布局
cOnvertView= mInflater.inflate(R.layout.listadata, null);

holder.checkboxOperateData = (CheckBox) convertView
.findViewById(R.id.checkbox_operate_data);
holder.textTitle = (TextView) convertView
.findViewById(R.id.text_title);
holder.textDesc = (TextView) convertView
.findViewById(R.id.text_desc);
convertView.setTag(holder);
} else {

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

final DataBean dataBean = mDatas.get(position);

if (dataBean != null) {
holder.textTitle.setText(dataBean.title);
holder.textDesc.setText(dataBean.desc);
// 根据isSelected来设置checkbox的显示状况  
//if (flage) {  
//                holder.checkboxOperateData.setVisibility(View.VISIBLE);  
//            } else {  
//                holder.checkboxOperateData.setVisibility(View.GONE);  
//            }  
//
holder.checkboxOperateData.setChecked(dataBean.isCheck);
//注意这里设置的不是onCheckedChangListener，还是值得思考一下的  
            holder.checkboxOperateData.setOnClickListener(new View.OnClickListener() {  
                @Override  
                public void onClick(View v) {  
                    if (dataBean.isCheck) {  
                        dataBean.isCheck = false;  
                    } else {  
                        dataBean.isCheck = true;  
                    }  
                }  
            });  

}

return convertView;
}

class ViewHolder {

public CheckBox checkboxOperateData;

public TextView textTitle;

public TextView textDesc;
}

、、、、下面是主代码

package com.example.listview;import java.util.ArrayList;import java.util.List;import android.os.Bundle;import android.support.v7.app.ActionBarActivity;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.ListView;import android.widget.Toast;public class MainActivity extends ActionBarActivity {private Button button;        private ListView listView;        private List mDatas;        private MyAdapter mAdapter; @Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);button = (Button) findViewById(R.id.edit1);          listView = (ListView) findViewById(R.id.listview);                mDatas = new ArrayList<>();          for (int i = 0; i <20; i++) {                DataBean dataBean = new DataBean("" + i, "上邪", "山无棱，天地合，乃敢与君绝");              mDatas.add(dataBean);          }            mAdapter = new MyAdapter(this, mDatas);          listView.setAdapter(mAdapter); }/**      * 编辑、取消编辑      * @param view      */      public void btnEditList(View view) {    //        mAdapter.flage = !mAdapter.flage;  //  //        if (mAdapter.flage) {  //            button.setText("取消");  //        } else {  //            button.setText("编辑");  //        }  //  //        mAdapter.notifyDataSetChanged();      }      /**      * 全选      * @param view      */      public void btnSelectAllList(View view) {  //        if (mAdapter.flage) {              for (int i = 0; i  ids = new ArrayList<>();    //        if (mAdapter.flage) {                for (int i = 0; i 

}