Android编程之listView中checkbox用法实例分析分享

  <?xml version="1.0" encoding="utf-8"?>  <RelativeLayout xmlns:android="https://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="@color/color_while">    <TextView      android:id="@+id/txt_add_note_tag_list_name"      android:layout_height="50dp"      android:layout_width="fill_parent"      android:gravity="center_vertical"      android:textColor="@color/color_black"      android:layout_marginLeft="8dp"      />    <CheckBox      android:id="@+id/chk_add_note_tag_list_chk"      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"   <!--这个是必须加上的，不然会出现冲突-->      android:clickable="false"   <!--这个是必须加上的，不然会出现冲突-->      />  </RelativeLayout>    

  package cg.guangda.androidnote;  import java.util.HashMap;  import java.util.List;  import java.util.Map;  import cg.guangda.androidnote.Model.noteTag;  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 Add_note_tag_list_BaseAdapter extends BaseAdapter {    private LayoutInflater inflater;    private List<noteTag> list_notetag_date;    //定义多选框是否被选中    public static Map<Integer, Boolean> isSelected;    public Add_note_tag_list_BaseAdapter(Context context,List<noteTag> list_notetag_date)    {      this.inflater = LayoutInflater.from(context);      this.list_notetag_date = list_notetag_date;      //这儿定义isSelected这个map是记录每个listitem的状态，初始状态全部为false。      isSelected = new HashMap<Integer, Boolean>();      for (int i = 0; i < list_notetag_date.size(); i++) {        isSelected.put(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 = inflater.inflate(R.layout.add_note_tag_list_item, null);        notetag = new add_note_noteTag();        notetag.txt_add_note_tag_list_name = (TextView)convertView.findViewById(R.id.txt_add_note_tag_list_name);        notetag.chk_add_note_tag_list_chk = (CheckBox)convertView.findViewById(R.id.chk_add_note_tag_list_chk);        convertView.setTag(notetag);      }      else {        notetag = (add_note_noteTag)convertView.getTag();      }      notetag.txt_add_note_tag_list_name.setText(list_notetag_date.get(position).get_tagName());      notetag.chk_add_note_tag_list_chk.setChecked(isSelected.get(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());    

  /**  * 点击列表项事件  * @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) view.getTag();        //在每次获取点击的item时将对于的checkbox状态改变，同时修改map的值。        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.isSelected.put(position, check);        Log.v("noteTagListItemOnClickListener", list_noteTag_date.get(position).get_tagName() + check);      }  }