android带勾选项的列表

一.列表中每项的布局文件

<?xmlversion="1.0"encoding="utf-8"?>

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"

   android:layout_width="match_parent"

   android:layout_height="match_parent"

   android:orientation="vertical">

     <TextView

       android:id="@+id/catalog"

       android:layout_width="fill_parent"

       android:layout_height="fill_parent"

       android:background="#E0E0E0"

       android:layout_weight="1.0"

       android:paddingLeft="5dip"

       android:paddingTop="5dip"

       android:paddingBottom="5dip"

       android:textSize="13dp"

       android:textColor="@color/index_font"

       android:text="A"/>

     <RelativeLayout

       android:layout_width="match_parent"

       android:layout_height="60dip"

       android:background="@color/white"

       >

        <com.shjy.jingin.widget.HeaderView

           android:id="@+id/select_staff_photo"                     

           android:layout_width="46dip"

           android:layout_height="46dip"

           android:scaleType="centerCrop"

           

           android:layout_centerVertical="true"         

           android:background="@drawable/head3x"         

           android:layout_marginLeft="10dip"/>

        <LinearLayout

            android:layout_width="wrap_content"

            android:layout_height="match_parent"

            android:orientation="vertical"

            android:gravity="center_vertical"

            android:layout_toRightOf="@+id/select_staff_photo"

            android:layout_marginLeft="10dip">

            <TextView

                android:id="@+id/select_staff_name"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_marginBottom="2dip"

                android:textSize="16dp"

                android:textColor="@color/main_font"/>

            

             <TextView

                android:id="@+id/select_staff_dept_name"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_marginTop="3dip"

                android:textSize="13dp"

                android:textColor="@color/main_font_color2"/>

            

        </LinearLayout>

        <RelativeLayout

            android:id="@+id/ry_phone_staff"

            android:layout_width="wrap_content"

            android:layout_height="match_parent"

            android:layout_alignParentRight="true"

           android:layout_marginRight="15dip">

          <CheckBox

                     android:id="@+id/select_staff_checkbox"

                     android:layout_width="wrap_content"

                     android:layout_height="match_parent"

                     android:layout_centerVertical="true"

                     android:layout_alignParentRight="true"

                     style="@style/DeptCheckboxTheme"

                     android:layout_marginRight="18dp"

              />

        </RelativeLayout>   

   </RelativeLayout>

   <View

       android:layout_width="match_parent"

       android:layout_height="1dip"

       android:background="#d1d1d1"/>

</LinearLayout>

 对复选框修饰的样式文件  @style/DeptCheckboxTheme

 

 style.xml 中加入 

  <stylename="DeptCheckboxTheme"parent="@android:style/Widget.CompoundButton.CheckBox">

           <itemname="android:button">@drawable/dept_checkbox_style</item>

   </style>

资源文件dept_checkbox_style.xml

<?xmlversion="1.0"encoding="utf-8"?>

<selectorxmlns:android="http://schemas.android.com/apk/res/android">

   <itemandroid:drawable="@drawable/work_diary_checkbok_pre"android:state_checked="true"/>

   <itemandroid:drawable="@drawable/work_diary_checkbok"android:state_checked="false"/>

   <itemandroid:drawable="@drawable/work_diary_checkbok"/>

</selector>

二.适配器编写

1.在适配器中用一个map变量存储选择的值

2.在复选框组件上注册OnCheckedChangeListener事件 在该事件中将选择的值保存到map中

packagecom.shjy.jingin.model;

importjava.util.HashMap;

importjava.util.List;

importcom.baidu.location.b.m;

importcom.shidian.SDK.imageloader.core.DisplayImageOptions;

importcom.shidian.SDK.imageloader.core.ImageLoader;

importcom.shidian.SDK.imageloader.core.display.RoundedBitmapDisplayer2;

importcom.shjy.jingin.R;

importcom.shjy.jingin.activity.EditWorkDiaryActivity.SelectContext;

importcom.shjy.jingin.bean.SortModel;

importcom.shjy.jingin.bean.Staff;

importcom.shjy.jingin.context.JYBoxApplication;

importcom.shjy.jingin.tools.Utils;

importcom.shjy.jingin.util.RandomColor;

importcom.shjy.jingin.widget.HeaderView;

importandroid.content.Context;

importandroid.graphics.Bitmap;

importandroid.view.LayoutInflater;

importandroid.view.View;

importandroid.view.ViewGroup;

importandroid.widget.BaseAdapter;

importandroid.widget.CheckBox;

importandroid.widget.CompoundButton;

importandroid.widget.SectionIndexer;

importandroid.widget.TextView;

importandroid.widget.CompoundButton.OnCheckedChangeListener;

publicclassSelectStaffAdapterextendsBaseAdapterimplementsSectionIndexer{

       privateList<SortModel>list=null;

       privateContextmContext;

       //由于存储选择的数据

       privatestaticHashMap<Long, Boolean>isSelected=null;

       privateImageLoaderloader;

       privateDisplayImageOptionsoptions;

       privateJYBoxApplicationjyBoxApplication;

       publicSelectStaffAdapter(Context mContext, List<SortModel> list) {

              this.mContext= mContext;

              this.list= list;

              isSelected=newHashMap<Long, Boolean>();

              jyBoxApplication= JYBoxApplication.getInstance();

              loader= ImageLoader.getInstance();// 图片的异步加载器

              // 创建默认的显示的图片

       options=newDisplayImageOptions.Builder()

                           .showImageForEmptyUri(R.drawable.head3x)                      

                           .showImageOnFail(R.drawable.head3x)// 设置图标加载或者解析错误时候的照片

                           .cacheInMemory(true).cacheOnDisc(true)// 设置下载的图片放在缓存中

                           .displayer(newRoundedBitmapDisplayer2(0)).build();// 设置图片圆角

       }

       

       

       publicvoidupdateListView(List<SortModel> list){

              this.list= list;

              notifyDataSetChanged();

       }

       publicintgetCount() {

              returnthis.list.size();

       }

       publicObject getItem(intposition) {

              returnlist.get(position);

       }

       publiclonggetItemId(intposition) {

              returnposition;

       }

       

       

       

       publicstaticHashMap<Long, Boolean> getIsSelected() {

              returnisSelected;

       }

       publicstaticvoidsetIsSelected(HashMap<Long, Boolean> isSelected) {

              SelectStaffAdapter.isSelected= isSelected;

       }

       publicView getView(finalintposition, View view, ViewGroup arg2) {

              ViewHolder viewHolder =null;

              SortModel mContent =this.list.get(position);

              finalStaff staff =this.list.get(position).getStaff();

              if(view ==null) {

                     viewHolder =newViewHolder();

                     view = LayoutInflater.from(mContext).inflate(R.layout.item_select_staff_list,null);

                     viewHolder.headerView= (HeaderView)view.findViewById(R.id.select_staff_photo);

//                   viewHolder.nameTextView = (TextView) view.findViewById(R.id.select_staff_name);

                     viewHolder.deptNameTextView= (TextView) view.findViewById(R.id.select_staff_dept_name);

                     viewHolder.tvLetter= (TextView) view.findViewById(R.id.catalog);

                     viewHolder.checkBox= (CheckBox)view.findViewById(R.id.select_staff_checkbox);             

                     view.setTag(viewHolder);

              }else{

                     viewHolder = (ViewHolder) view.getTag();

              }

              //将选择的值记录在 isSelected

              finalCheckBox checkBox = viewHolder.checkBox;

              checkBox.setOnCheckedChangeListener(newOnCheckedChangeListener() {

                     

                     @Override

                     publicvoidonCheckedChanged(CompoundButton buttonView,booleanisChecked) {                            

                           isSelected.put(staff.getId(), isChecked);                            

                     }

              });

              

              Boolean checked =isSelected.get(staff.getId());

              viewHolder.checkBox.setChecked(checked==null?false:checked);

              intsection = getSectionForPosition(position);

              if(position == getPositionForSection(section)){

                     viewHolder.tvLetter.setVisibility(View.VISIBLE);

                     viewHolder.tvLetter.setText(mContent.getSortLetters());

              }else{

                     viewHolder.tvLetter.setVisibility(View.GONE);

              }

              

              String serviceAddress =jyBoxApplication.getServiceAddress();

              String path ="http://"+ serviceAddress +"/"+ staff.getPath();

              loader.clearDiscCache();

              loader.clearMemoryCache();

              

       

              loader.displayImage(path, viewHolder.headerView,options);

              

              

//            viewHolder.nameTextView.setText(staff.getName());

              viewHolder.deptNameTextView.setText(staff.getDeptName());

              

              returnview;

       }

       

       publicstaticclassViewHolder {

              publicHeaderViewheaderView;

              publicTextViewphotoText;

//            public TextView nameTextView;

              publicTextViewdeptNameTextView;

              publicTextViewtvLetter;

              publicCheckBoxcheckBox;

       }

       

       publicintgetSectionForPosition(intposition) {

              returnlist.get(position).getSortLetters().charAt(0);

       }

       

       publicintgetPositionForSection(intsection) {

              for(inti = 0; i < getCount(); i++) {

                     String sortStr =list.get(i).getSortLetters();

                     charfirstChar = sortStr.toUpperCase().charAt(0);

                     if(firstChar == section) {

                           returni;

                     }

              }

              

              return-1;

       }

       

       

       privateStringgetAlpha(String str) {

              String  sortStr = str.trim().substring(0, 1).toUpperCase();

              

              if(sortStr.matches("[A-Z]")) {

                     returnsortStr;

              }else{

                     return"#";

              }

       }

       @Override

       publicObject[] getSections() {

              returnnull;

       }

}

三.将数据库中选择的数据进行回显

selectStaffAdapter=newSelectStaffAdapter(this,sortModels);       

 if(SelectContext.selectStaffs!=null&&SelectContext.selectStaffs.size()>0){

          HashMap<Long, Boolean> selectMap =newHashMap<Long, Boolean>();

          for(Staff staff:SelectContext.selectStaffs){

                 selectMap.put(staff.getId(),true);

            }

               selectStaffAdapter.setIsSelected(selectMap);

         }

在数据适配器getView中

Booleanchecked = isSelected .get(staff.getId());

viewHolder.checkBox.setChecked(checked==null?false:checked);