android中的ListView在超过屏幕后，会使选择数据混乱的解决方法

看了一下几个月以前写的一个android应用，后来捣鼓除了这个解决ListView的选择数据混乱的问题，由于sdk出了些问题，因此无法运行程序贴出图片，只能贴上代码，以后再待用了。

package com.asms.adapter;

import java.util.ArrayList;
import java.util.HashMap;

import android.app.Activity;
import android.app.Dialog;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.RadioButton;
import android.widget.TextView;

import com.asms.MainActivity;
import com.asms.R;
import com.asms.activity.SettingTargetEmailActivity;
import com.asms.activity.UpdateTargetEmailActivity;
import com.asms.db.DBManager;
import com.asms.dialog.SelfSettingDialog;
import com.asms.utils.Constant;

/**
* ListView的自定义布局类
* @author Administrator
*
*/
public class ListViewAdapter extends BaseAdapter{

public static final int e_id = 1000;
public static final int c_id = 100;
private Context context = null;
private ArrayList<ContentValues> cvs = null;
private LayoutInflater layoutInflater = null;
private HashMap<Integer, Boolean> statusMap = new HashMap<Integer, Boolean>();
private HashMap<Integer, Boolean> removeMap = new HashMap<Integer, Boolean>();
private View convertView = null;
public ListViewAdapter(Context context, ArrayList<ContentValues> cvs) {
this.context = context;
this.cvs = cvs;
this.layoutInflater = LayoutInflater.from(context);
}

@Override
public int getCount() {
return cvs.size();
}

@Override
public Object getItem(int position) {
return cvs.get(position);
}

@Override
public long getItemId(int position) {
return position;
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder vh = null;
if(convertView == null) {
Log.v("ListViewAdapter", ""+position);
vh = new ViewHolder();
convertView = layoutInflater.inflate(R.layout.listviewadapter, null);
vh.emailShow = (TextView) convertView.findViewById(R.id.emailShowView);
vh.statusShow = (RadioButton) convertView.findViewById(R.id.changeStatus);

vh.removeCb = (CheckBox) convertView.findViewById(R.id.removeEmailChk);

convertView.setTag(vh);
} else {
vh = (ViewHolder) convertView.getTag();
}
//给选择框添加事件
vh.emailShow.setOnClickListener(new EmailShowListener());
vh.emailShow.setId(e_id+position); //必须具有不同的id，不然会被覆盖掉

vh.statusShow.setId(position);
vh.removeCb.setId(c_id + position);
vh.statusShow.setOnCheckedChangeListener(new RadioGroupListener());
vh.removeCb.setOnCheckedChangeListener(new CheckBoxListener());

String email = cvs.get(position).getAsString("email");
if(email.length() > 20) {
email = email.substring(0, 20) + "...";
}
vh.emailShow.setText(email);
int status = cvs.get(position).getAsInteger("status").intValue();
//在每一次下拉列表时，都会执行下面的判断
if((status == 0 && statusMap.size() <= 0) || statusMap.containsKey(position)) {
statusMap.put(position, true);
vh.statusShow.setChecked(true);
} else {
vh.statusShow.setChecked(false);
}
if(removeMap.containsKey(c_id + position)) {
vh.removeCb.setChecked(removeMap.get(c_id + position));
} else {
vh.removeCb.setChecked(false);
}
this.convertView = convertView;
return convertView;
}

class ViewHolder {
public TextView emailShow;
public RadioButton statusShow;
public CheckBox removeCb;
}

class CheckBoxListener implements android.widget.CompoundButton.OnCheckedChangeListener {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
int id = buttonView.getId();
if(!isChecked) {
removeMap.remove(id);
return;
}
removeMap.put(id, isChecked);

Log.v("ListViewAdapter", removeMap.toString());
}
}

class RadioGroupListener implements OnCheckedChangeListener {
public RadioGroupListener(){}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
int id = buttonView.getId();
if(!isChecked) {
return;
}
int tempId = -1;
if(statusMap.size() > 0) {
tempId = statusMap.entrySet().iterator().next().getKey();
RadioButton rb = (RadioButton) ((Activity) context).findViewById(tempId);
if(rb != null)
rb.setChecked(false);
}
statusMap.remove(tempId);
statusMap.put(id, isChecked);
DBManager db = new DBManager(context);
ContentValues cv = new ContentValues();
cv.put("status", 0);
db.update(Constant.MAIN_TABLE, cv, " where id = ?", cvs.get(id).getAsString("id"));
cv.put("status", 1);
db.update(Constant.MAIN_TABLE, cv, " where id != ?", cvs.get(id).getAsString("id"));
Log.v("ListViewAdapter", statusMap.toString() + ", " + id);
}
}

class EmailShowListener implements OnClickListener {

@Override
public void onClick(View v) {
int id = cvs.get(v.getId() - e_id).getAsInteger("id");
DBManager db = new DBManager(context);
String sql = "select e.*, t.name, t.host_name,t.send_host_name from main_table e left join email_type t on t.id = e.email_type where t.status = 0 and e.id=?";
ArrayList<ContentValues> cvs = db.rawQuery(sql, "" + id);
if(cvs.size() > 0) {
ContentValues cv = cvs.get(0);
SelfSettingDialog.Builder sb = new SelfSettingDialog.Builder(context);

---

sb.settitle(cv.getAsString("email"));
StringBuffer temp = new StringBuffer();
temp.append("名称：").append(cv.getAsString("name")).append("\n").append("发送协议：").append(cv.getAsString("host_name")).append("\n");
temp.append("接收协议：").append(cv.getAsString("send_host_name")).append("\n");
temp.append("创建时间：").append(cv.getAsString("create_time"));
sb.setMessage(temp.toString());
sb.setPostiveButton(R.string.ok, new PostiveButtonListener());
sb.setNegativeButton(R.string.update, new NegativeButtonListener());
Dialog dialog = sb.create();
dialog.show();
}
}

}

public void setSelectAll(boolean isChecked) {
int length = cvs.size();
for(int i = 0; i < length; i++) {
removeMap.put(c_id + i, isChecked);
}
}

public HashMap<Integer, Boolean> getSelectedRemove() {
return removeMap;
}

public void setSelectedRomve(HashMap<Integer, Boolean> removes) {
this.removeMap = removes;
}

public void setStatus(HashMap<Integer, Boolean> statusMap) {
this.statusMap = statusMap;
}

public HashMap<Integer, Boolean> getStatusSelected() {
return statusMap;
}

public ArrayList<ContentValues> getCvs() {
return cvs;
}

class PostiveButtonListener implements DialogInterface.OnClickListener {

@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}

}

class NegativeButtonListener implements DialogInterface.OnClickListener {

@Override
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(context,UpdateTargetEmailActivity.class);
((Activity)context).overridePendingTransition(android.R.anim.slide_in_left, android.R.anim.slide_out_right);
MainActivity.tabHost.addTab(MainActivity.buildTabSpec("home2",-1, R.drawable.receivebox, intent,context.getResources()));
//((Activity)context).startActivityForResult(intent, 1);
}

}
}