ListView嵌套CheckBox （解決滑動時重復選擇的問題）

ListView嵌套CheckBox （解決滑動時重復選擇的問題） adapter中做處理： package com.chenglang.adapter;     import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Map.Entry;     import com.chenglang.bean.MytxtBean; import com.chenglang.work.MytxtActivity; import com.chenglang.work.R;     import android.content.Context; 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.TextView;     public class Mytxtl_list_adapter extends BaseAdapter {     Context context; List<MytxtBean> list = new ArrayList<MytxtBean>();     public Mytxtl_list_adapter(Context context, List<MytxtBean> list) { // TODO Auto-generated constructor stub this.context = context; this.list = list;   }     @Override public int getCount() { // TODO Auto-generated method stub return list.size(); }     @Override public Object getItem(int arg0) { // TODO Auto-generated method stub return list.get(arg0); }     @Override public long getItemId(int arg0) { // TODO Auto-generated method stub return arg0; }     Gridholder gridholder = new Gridholder();     @Override public View getView( final int arg0, View arg1, ViewGroup arg2) { // TODO Auto-generated method stub     if (arg1 == null) { arg1 = LayoutInflater.from(context).inflate( R.layout.mytext_list_item_view, null); arg1.setTag(gridholder); } else { gridholder = (Gridholder) arg1.getTag(); }   gridholder.cb = (CheckBox) arg1.findViewById(R.id.cb); gridholder.cbtv = (TextView) arg1.findViewById(R.id.cbtv); gridholder.dingao = (TextView) arg1.findViewById(R.id.daidinggao); gridholder.person = (TextView) arg1.findViewById(R.id.person); gridholder.leixin = (TextView) arg1.findViewById(R.id.putong); gridholder.time = (TextView) arg1.findViewById(R.id.time); MytxtBean bean = list.get(arg0);   gridholder.cbtv.setText(bean.getCbdata()); gridholder.dingao.setText(bean.getDingaodata()); gridholder.leixin.setText(bean.getLeixingdata()); gridholder.person.setText(bean.getPersondata()); gridholder.time.setText(bean.getTimedata());   if(MytxtActivity.checkPos.get(arg0)){ gridholder.cb.setChecked(true); }else{ gridholder.cb.setChecked(false); }   return arg1; }     public static class Gridholder { TextView dingao, leixin, person, time,cbtv; public CheckBox cb; }     }   在主代碼中： package com.chenglang.work;     import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map;     import com.chenglang.adapter.Mytxtl_list_adapter; import com.chenglang.adapter.Mytxtl_list_adapter.Gridholder; import com.chenglang.bean.MytxtBean; import com.chenglang.resource.MytxtData;     import android.animation.ArgbEvaluator; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.CheckBox; import android.widget.ImageButton; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast;     public class MytxtActivity extends Activity implements OnClickListener, OnItemClickListener { ListView mytextlist; List<MytxtBean> datalistm = new ArrayList<MytxtBean>(); MytxtBean bean; ImageButton backbtn; Mytxtl_list_adapter myadapter; TextView caogaotv,searchtv; public static Map<Integer, Boolean> checkPos; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.mytext_view); init(); }     private void init() { // TODO Auto-generated method stub     caogaotv = (TextView) findViewById(R.id.caogaotv); searchtv = (TextView) findViewById(R.id.searchtv);   mytextlist = (ListView) findViewById(R.id.mytext_list); setlistdata(); backbtn = (ImageButton) findViewById(R.id.mytextback); backbtn.setOnClickListener(this); caogaotv.setOnClickListener(this); searchtv.setOnClickListener(this);   checkPos = new HashMap<Integer, Boolean>(); for (int i = 0; i < datalistm.size(); i++) { checkPos.put(i, false); } }     private void setlistdata() { for (int i = 9; i < 15; i++) {   bean = new MytxtBean(MytxtData.CBDATA[0], MytxtData.DINGGAODATA[0], MytxtData.LEIXINGDATA[0], MytxtData.PERSON[0], MytxtData.TIME[0]); datalistm.add(bean); } myadapter = new Mytxtl_list_adapter(MytxtActivity.this, datalistm); mytextlist.setAdapter(myadapter);     mytextlist.setItemsCanFocus(true); mytextlist.setOnItemClickListener(this);       }     @Override public void onClick(View arg0) { // TODO Auto-generated method stub     switch (arg0.getId()) { case R.id.mytextback: Intent intent = new Intent(MytxtActivity.this, MainActivity.class); startActivity(intent); finish(); break; case R.id.caogaotv: case R.id.searchtv:   Toast.makeText(MytxtActivity.this, "沒有提供界面", Toast.LENGTH_SHORT).show(); break;     }     }     @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub System.out.println("第"+arg2+"項");     new AlertDialog.Builder(this).setIcon(R.drawable.ic_about) .setTitle("hello：") .setMessage(datalistm.get(arg2).getCbdata()) .setNegativeButton("退出", new DialogInterface.OnClickListener() {     @Override public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub dialog.cancel();     } }).show();     } }