Android PinnedSectionListView 收缩

转自：http://blog.csdn.net/anddroid_lanyan/article/details/41895631

网上开源项目：https://github.com/beworker/pinned-section-listview，该项目用的是ArrayAdapter()..不太适合我，稍作修改，仿的微信界面

PinnedSectionListView修改了一行代码，不然会报错，代码如下

void createPinnedShadow(int position) {}》》

 if (layoutParams == null) {
            //layoutParams = (LayoutParams) generateDefaultLayoutParams();
             layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
             pinnedView.setLayoutParams(layoutParams);
         }

效果图：

具体代码AdapterListView：

 package pinneactivity.example.ui;

 import java.util.ArrayList;

 import pinneactivity.example.ui.PinnedSectionListView.PinnedSectionListAdapter;
 import android.content.Context;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
 import android.widget.ImageView;
 import android.widget.TextView;
 /*
  *
  * This is company of adapter
  *
  * @author YangWenlong
  */
 public class AdapterListView extends BaseAdapter implements PinnedSectionListAdapter{
     private ArrayList<Bean> list;
     private Context context;
     public ArrayList<Bean> getList() {
         return list;
     }
     public void setList(ArrayList<Bean> list) {
         if(list!=null){
             this.list = list;
         }else{
             list=new ArrayList<Bean>();
         }
     }
     public AdapterListView(Context context,ArrayList<Bean> list){
         this.setList(list);
         this.context=context;
     }
     @Override
     public int getCount() {
         // TODO Auto-generated method stub
         return list.size();
     }

     @Override
     public Bean getItem(int position) {
         // TODO Auto-generated method stub
         return list.get(position);
     }

     @Override
     public long getItemId(int position) {
         // TODO Auto-generated method stub
         return position;
     }

     @Override
     public View getView(int position, View converView, ViewGroup viewGrop) {
         // TODO Auto-generated method stub
         ViewHolder vh=null;
         if(converView==null){
             vh=new ViewHolder();
             converView=LayoutInflater.from(context).inflate(R.layout.item, null);
             vh.company_item=(TextView)converView.findViewById(R.id.title);
             vh.image=(ImageView)converView.findViewById(R.id.imageView1);
             converView.setTag(vh);
         }else{
             vh=(ViewHolder) converView.getTag();
         }
         Bean bean=getItem(position);
         vh.company_item.setText(bean.text);
         if (bean.type == Bean.SECTION) {
             vh.company_item.setBackgroundResource(R.drawable.bao_headview_bg);
             vh.image.setVisibility(View.GONE);

         }else{
             vh.company_item.setBackgroundResource(R.drawable.details_layout_bg);
             vh.image.setVisibility(View.VISIBLE);
         }
         return converView;
     }
     @Override
     public boolean isItemViewTypePinned(int viewType) {
         // TODO Auto-generated method stub
         return viewType == Bean.SECTION;//0是标题，1是内容
     }

     @Override
     public int getViewTypeCount() {
         return 2;//2种view的类型 baseAdapter中得方法
     }
     @Override
     public int getItemViewType(int position) {
         return ((Bean)getItem(position)).type;
     }
     public void refresh(ArrayList<Bean> arr){
         setList(arr);
         notifyDataSetChanged();
     }

 }

HeadView:

 package pinneactivity.example.ui;

 import android.app.Activity;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.LinearLayout;
 import android.widget.Toast;

 /*
  * Fail view
  *
  * @author YangWenlong
  */
 public class HeadView implements OnClickListener{
     private View view = null;
     private Activity activity;
     private LinearLayout newFriends;
     private LinearLayout grop;
     private LinearLayout tag;
     private LinearLayout publicNumber;
     private static HeadView headView = null;

     public static HeadView getInstance(Activity activity) {
             headView = new HeadView(activity);
         return headView;
     }

     public HeadView(Activity activity) {
         view=activity.getLayoutInflater().inflate(R.layout.item_head, null);
         this.activity=activity;
     }

     public HeadView initialization(){
         newFriends=(LinearLayout)view.findViewById(R.id.layout_new);
         grop=(LinearLayout)view.findViewById(R.id.layout_group);
         tag=(LinearLayout)view.findViewById(R.id.layout_tag);
         publicNumber=(LinearLayout)view.findViewById(R.id.layout_public);

         newFriends.setOnClickListener(this);
         grop.setOnClickListener(this);
         tag.setOnClickListener(this);
         publicNumber.setOnClickListener(this);


         return headView;
     }

     public View getView(){
         return view;
     }

     @Override
     public void onClick(View v) {
         // TODO Auto-generated method stub
         if(v==newFriends){
             Toast.makeText(activity, "新朋友", Toast.LENGTH_SHORT).show();
         }else if(v==grop){
             Toast.makeText(activity, "群聊", Toast.LENGTH_SHORT).show();
         }else if(v==tag){
             Toast.makeText(activity, "标签", Toast.LENGTH_SHORT).show();
         }else if(v==publicNumber){
             Toast.makeText(activity, "公众号", Toast.LENGTH_SHORT).show();
         }
     }
 }

项目下载： http://download.csdn.net/detail/anddroid_lanyan/8252891