模拟QQ分组（具有伸缩功能） (添加开源框架的光闪烁效果)SimpleExpandableListAdapter 适配器的用法，并且可添加组及其组内数据。

 package com.lixu.qqfenzu;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
 import com.facebook.shimmer.ShimmerFrameLayout;
 import com.romainpiel.shimmer.Shimmer;
 import com.romainpiel.shimmer.ShimmerTextView;
 
 import android.app.Activity;
 import android.content.Context;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ExpandableListView;
 import android.widget.ExpandableListView.OnGroupClickListener;
 import android.widget.SimpleExpandableListAdapter;
 import android.widget.TextView;
 import android.widget.Toast;
 
 public class MainActivity extends Activity {
     private ArrayList<HashMap<String, Object>> date;
     private final String GROUP = "group";
     private final String CHILD = "child";
     EditText et;
     MyExpandableListAdapter mExpandableListAdapter = null;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
         Button btn1 = (Button) findViewById(R.id.btn);
         Button btn2 = (Button) findViewById(R.id.btn1);
         et = (EditText) findViewById(R.id.et);
 
         ExpandableListView elv = (ExpandableListView) findViewById(R.id.elv);
 
         btn1.setOnClickListener(new OnClickListener() {
 
             @Override
             public void onClick(View v) {
                 addGroup(2);
                 Toast.makeText(getApplicationContext(), "添加成功！", 0).show();
             }
         });
         btn2.setOnClickListener(new OnClickListener() {
 
             @Override
             public void onClick(View v) {
                 addChild(1);
                 Toast.makeText(getApplicationContext(), "添加成功！", 0).show();
             }
         });
 
         String[] group = { "家人", "朋友", "同事", "同学" };
         String[] name = { "张三", "李四", "王五", "狗儿" };
 
         date = new ArrayList<HashMap<String, Object>>();
 
         for (String n : group) {
             HashMap<String, Object> map = new HashMap<String, Object>();
 
             map.put(GROUP, n);
 
             ArrayList<String> child = new ArrayList<String>();
             for (String n1 : name) {
                 child.add(n1);
             }
 
             map.put(CHILD, child);
             date.add(map);
 
         }
 
         mExpandableListAdapter = new MyExpandableListAdapter(this, null, 0, 0, null, null, null, 0, 0, null, null);
         elv.setAdapter(mExpandableListAdapter);
         // 去掉下拉小箭头
         elv.setGroupIndicator(null);
 
         // 展开0组
         // elv.expandGroup(0);
         // 收起1组
         // elv.collapseGroup(1);
         // 展开2组
         // elv.expandGroup(2);
 
         elv.setOnGroupClickListener(new OnGroupClickListener() {
 
             @Override
             public boolean onGroupClick(ExpandableListView arg0, View arg1, int arg2, long arg3) {
                 return false;
             }
         });
     }
 
     // 增加组
     public void addGroup(int pos) {
         String str = et.getText().toString();
 
         HashMap<String, Object> map = new HashMap<String, Object>();
 
         map.put(GROUP, str);
 
         ArrayList<String> child = new ArrayList<String>();
 
         map.put(CHILD, child);
         date.add(pos, map);
 
         mExpandableListAdapter.notifyDataSetChanged();
         et.setText("");
 
     }
 
     // 增加特定组内数据
     public void addChild(int pos) {
         String str = et.getText().toString();
         // 往第2组内添加数据
         HashMap<String, Object> map = date.get(1);
         ArrayList<String> list = (ArrayList<String>) map.get(CHILD);
         list.add(pos, str);
 
         mExpandableListAdapter.notifyDataSetChanged();
         et.setText("");
 
     }
 
     private class MyExpandableListAdapter extends SimpleExpandableListAdapter {
         private LayoutInflater flater = null;
 
         public MyExpandableListAdapter(Context context, List<? extends Map<String, ?>> groupData,
                 int expandedGroupLayout, int collapsedGroupLayout, String[] groupFrom, int[] groupTo,
                 List<? extends List<? extends Map<String, ?>>> childData, int childLayout, int lastChildLayout,
                 String[] childFrom, int[] childTo) {
             super(context, groupData, expandedGroupLayout, collapsedGroupLayout, groupFrom, groupTo, childData,
                     childLayout, lastChildLayout, childFrom, childTo);
             flater = LayoutInflater.from(context);
         }
 
         @Override
         public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView,
                 ViewGroup parent) {
             if (convertView == null)
                 convertView = flater.inflate(R.layout.list, null);
 
             ShimmerFrameLayout sfl = (ShimmerFrameLayout) convertView.findViewById(R.id.sfl);
 
             sfl.setDuration(2000);
             sfl.startShimmerAnimation();
             TextView tv = (TextView) convertView.findViewById(R.id.tv);
             tv.setText(getChild(groupPosition, childPosition) + "");
             tv.setTextSize(20);
 
             return convertView;
         }
 
         @Override
         public int getChildrenCount(int groupPosition) {
 
             ArrayList<String> items = (ArrayList<String>) date.get(groupPosition).get(CHILD);
             return items.size();
         }
 
         @Override
         public int getGroupCount() {
             return date.size();
         }
 
         @Override
         public Object getChild(int groupPosition, int childPosition) {
             ArrayList<String> items = (ArrayList<String>) date.get(groupPosition).get(CHILD);
             return items.get(childPosition);
         }
 
         @Override
         public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
             if (convertView == null)
                 convertView = flater.inflate(R.layout.list2, null);
 
             ShimmerTextView stv = (ShimmerTextView) convertView.findViewById(R.id.stv1);
             stv.setText(getGroup(groupPosition).toString());
             stv.setTextColor(Color.BLUE);
             stv.setTextSize(30);
             stv.setBackgroundColor(Color.YELLOW);
             Shimmer shimmer = new Shimmer();
             shimmer.setDuration(2500);
             shimmer.start(stv);
 
             return convertView;
 
         }
 
         @Override
         public Object getGroup(int groupPosition) {
             HashMap<String, Object> items = date.get(groupPosition);
             return items.get(GROUP) + "";
         }
 
     }
 
 }

xml文件：

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/LinearLayout1"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
     tools:context="com.lixu.qqfenzu.MainActivity" >
 
     <ExpandableListView
         android:id="@+id/elv"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_weight="2" />
 
     <LinearLayout
         android:id="@+id/linearLayout1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" >
 
         <EditText
             android:id="@+id/et"
             android:layout_width="100dp"
             android:layout_height="wrap_content" >
         </EditText>
 
         <Button
             android:id="@+id/btn1"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_alignParentRight="true"
             android:layout_alignTop="@+id/linearLayout1"
             android:text="添加内容" />
 
         <Button
             android:id="@+id/btn"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_alignBaseline="@+id/btn1"
             android:layout_alignBottom="@+id/btn1"
             android:layout_toLeftOf="@+id/btn1"
             android:text="添加组" />
     </LinearLayout>
 
 </LinearLayout>

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical" >
 
     <com.facebook.shimmer.ShimmerFrameLayout
         android:id="@+id/sfl"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" >
 
         <TextView
             android:id="@+id/tv"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content" />
     </com.facebook.shimmer.ShimmerFrameLayout>
 
 </LinearLayout>

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical" >
 
     <com.romainpiel.shimmer.ShimmerTextView
         android:id="@+id/stv1"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" >
     </com.romainpiel.shimmer.ShimmerTextView>
 
 </LinearLayout>

运行效果：