ListView+CheckBox错乱问题

public class MyAdapter extends BaseAdapter {

private Context mContext;
private ArrayList<Map<String, Object>> data;
public static HashMap<Integer, Boolean> mapisSelector;

public MyAdapter(Context context, ArrayList<Map<String, Object>> data) {
this.mContext = context;
this.data = data;
initIsCheck();
}

//初始化checkbox的勾选状态都是 未勾选
void initIsCheck(){
if(null == mapisSelector){
mapisSelector = new HashMap<Integer, Boolean>();
for (int i = 0; i < 50; i++) {
mapisSelector.put(i, false);
}
}
}

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

@Override
public Map<String, Object> getItem(int position) {

return data.get(position);
}

@Override
public long getItemId(int position) {

return 0;
}

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

ViewHolder viewHolder = null;
if (convertView == null) {
convertView = View.inflate(mContext, R.layout.custom_list_item,
null);
viewHolder = new ViewHolder();
// 获取控件
viewHolder.tvName = (TextView) convertView
.findViewById(R.id.tv_qq_name);
// 获取控件
viewHolder.imgQQ = (ImageView) convertView
.findViewById(R.id.img_qq);
// 获取控件
viewHolder.cbQQ = (CheckBox) convertView.findViewById(R.id.cb_qq);
// 绑定到返回的视图里
convertView.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) convertView.getTag();
}
// 赋值
viewHolder.tvName.setText(data.get(position).get("txt").toString());
// 赋值
viewHolder.imgQQ.setImageResource((Integer) data.get(position).get(
"img"));

viewHolder.cbQQ.setChecked(mapisSelector.get(position));//设置选中状态
viewHolder.cbQQ.setTag(position);//设置tag、position
viewHolder.cbQQ.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
Integer in = (Integer) v.getTag();//得到当前tag
if (mapisSelector.get(in)) {
mapisSelector.put(in, false);//改为未选中
}else{
mapisSelector.put(in, true);//改为选中
}
}
});

// // 赋值
// viewHolder.cbQQ.setChecked(true);
return convertView;
}

public void resetDataSource(ArrayList<Map<String, Object>> data1){

data.addAll(data1);
this.notifyDataSetChanged();
}

static class ViewHolder{
TextView tvName;
ImageView imgQQ;
CheckBox cbQQ;
}
}

public class MainActivity extends Activity {

private ListView mListView;
private ArrayList<String> listData;
private ArrayAdapter<String> listAdapter;

private ArrayList<Map<String, Object>> sAdapterData;
private SimpleAdapter sAdapter;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// 获取控件
mListView = (ListView) this.findViewById(R.id.listview);
// initListView();
initSadpter();
}

private void initListView() {

// 1、初始化数据源
listData = new ArrayList<String>();
for (int i = 0; i < 50; i++) {
listData.add("ListView测试文本，第" + (i + 1) + "项");
}

// 2、将数据源添加到适配器上，形成资源列表
listAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, listData);

// 3、将适配器资源列表添加到适配器控件上
mListView.setAdapter(listAdapter);
}

private void initSadpter() {

// 1、初始化数据源
sAdapterData = new ArrayList<Map<String, Object>>();
Map<String, Object> map = null;
for (int i = 0; i < 50; i++) {
map = new HashMap<String, Object>();
if (i % 2 == 0) {
map.put("img", R.drawable.qq);
} else {
map.put("img", R.drawable.qq_kong);
}
map.put("txt", "小黑");
map.put("cb", " ");
sAdapterData.add(map);
}
String[] from = { "img", "txt", "cb" };
int[] to = { R.id.img_qq, R.id.tv_qq_name, R.id.cb_qq };
// 2、将数据源添加到适配器上，形成资源列表
sAdapter = new SimpleAdapter(this, sAdapterData, R.layout.simple_main,
from, to);
// 3、将适配器资源列表添加到适配器控件上
mListView.setAdapter(sAdapter);

// 点击Items时执行的监听器
mListView.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Map<String, Object> mapxx=(Map<String, Object>) sAdapter.getItem(position);
String name=mapxx.get("txt").toString();

Log.e("", "------onItemClick--------");
startActivity(new Intent(MainActivity.this, CustomAdapterActivity.class));
}
});

// 长按Item时执行
mListView.setOnItemLongClickListener(new OnItemLongClickListener() {

@Override
public boolean onItemLongClick(AdapterView<?> parent, View view,
int position, long id) {
Log.e("", "------onItemLongClick--------");
startActivity(new Intent(MainActivity.this, CustomAdapterActivity.class));

return false;
}
});
}
}

public class CustomAdapterActivity extends Activity {

private ListView mListView;
private ArrayList<Map<String, Object>> sAdapterData;
private MyAdapter myAdapter;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.custom_main);
// 获取控件
mListView = (ListView) this.findViewById(R.id.mylist);

initDataSource();
initAdapter();

}

/**
* 1、初始化数据源
*/
private void initDataSource() {

sAdapterData = new ArrayList<Map<String, Object>>();

Map<String, Object> map = null;
for (int i = 0; i < 50; i++) {
map = new HashMap<String, Object>();
if (i % 2 == 0) {
map.put("img", R.drawable.qq);
} else {
map.put("img", R.drawable.qq_kong);
}
map.put("txt", "小黑");
map.put("cb", " ");
sAdapterData.add(map);
}
}

private void initAdapter() {
myAdapter = new MyAdapter(CustomAdapterActivity.this, sAdapterData);
mListView.setAdapter(myAdapter);
mListView.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
myAdapter.getItem(position);
}
});
}

}