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：