An example analysis of checkbox usage in listView in Android programming

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:andro
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:background="@color/color_while">
  <TextView
    android:
    android:layout_height="50dp"
    android:layout_width="fill_parent"
    android:gravity="center_vertical"
    android:textColor="@color/color_black"
    android:layout_marginLeft="8dp"
    />
  <CheckBox
    android:
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="center_vertical"
    android:layout_alignParentRight="true"
    android:layout_marginRight="8dp"
    android:focusable="false"   <!--This must be added，Otherwise there will be conflicts-->
    android:clickable="false"   <!--This must be added，Otherwise there will be conflicts-->
    />
</RelativeLayout>

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public class Add_note_tag_list_BaseAdapter extends BaseAdapter {
  private LayoutInflater inflater;
  private List<noteTag> list_notetag_date;
  //Define whether the multi-check box is selected  public static Map<Integer, Boolean> isSelected;
  public Add_note_tag_list_BaseAdapter(Context context,List<noteTag> list_notetag_date)
  {
     = (context);
    this.list_notetag_date = list_notetag_date;
    //Define here isSelected. This map records the status of each listitem, and the initial states are all false.    isSelected = new HashMap<Integer, Boolean>();
    for (int i = 0; i < list_notetag_date.size(); i++) {
      (i, false);
    }
  }
  @Override
  public int getCount() {
    // TODO Auto-generated method stub
    return list_notetag_date.size();
  }
  @Override
  public Object getItem(int position) {
    // TODO Auto-generated method stub
    return list_notetag_date.get(position);
  }
  @Override
  public long getItemId(int position) {
    // TODO Auto-generated method stub
    return position;
  }
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    add_note_noteTag notetag = null;
    if(convertView==null)
    {
      convertView = (.add_note_tag_list_item, null);
      notetag = new add_note_noteTag();
      notetag.txt_add_note_tag_list_name = (TextView)(.txt_add_note_tag_list_name);
      notetag.chk_add_note_tag_list_chk = (CheckBox)(.chk_add_note_tag_list_chk);
      (notetag);
    }
    else {
      notetag = (add_note_noteTag)();
    }
    notetag.txt_add_note_tag_list_name.setText(list_notetag_date.get(position).get_tagName());
    notetag.chk_add_note_tag_list_chk.setChecked((position));
    return convertView;
  }
  public class add_note_noteTag
  {
    TextView txt_add_note_tag_list_name;
    CheckBox chk_add_note_tag_list_chk;
  }
}

list_popwin_note_tag.setAdapter(new Add_note_tag_list_BaseAdapter(this, list_noteTag_date));
list_popwin_note_tag.setOnItemClickListener(new noteTagListItemOnClickListener());

/**
 * Click on the list item event
 * @author cg
 *
 */
class noteTagListItemOnClickListener implements OnItemClickListener{
    @Override
    public void onItemClick(AdapterView<?> arg0, View view, int position,
        long arg3) {
      // TODO Auto-generated method stub
      add_note_noteTag vHollder = (add_note_noteTag) ();
      //Every time you get the clicked item, the checkbox status will be changed, and the map value will be modified at the same time.      vHollder.chk_add_note_tag_list_chk.setChecked(vHollder.chk_add_note_tag_list_chk.isChecked()==true ? false : true);
      boolean check = vHollder.chk_add_note_tag_list_chk.isChecked();
      Add_note_tag_list_BaseAdapter.(position, check);
      ("noteTagListItemOnClickListener", list_noteTag_date.get(position).get_tagName() + check);
    }
}