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 list;
private Context context;
public ArrayList getList() {
return list;
}
public void setList(ArrayList list) {
if(list!=null){
this.list = list;
}else{
list=new ArrayList();
}
}
public AdapterListView(Context context,ArrayList 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 arr){
setList(arr);
notifyDataSetChanged();
}
}
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();
}
}
}