可展开列表ExpandableListView—BaseExpandableListAdapter

1.aty

package com.louis.louisexpandablelistviewdemo;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.widget.ExpandableListView;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;public class MainActivity extends AppCompatActivity {    //定义父列表项List数据集合    List<Map<String, Object>> parentMapList = new ArrayList<Map<String, Object>>();    //定义子列表项List数据集合    List<List<Map<String, Object>>> childMapList_list = new ArrayList<List<Map<String, Object>>>();    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initData();        ExpandableListView expandableListView= (ExpandableListView) findViewById(R.id.id_elv);    MyBaseExpandableListAdapter myBaseExpandableListAdapter=new MyBaseExpandableListAdapter(this,parentMapList,childMapList_list);        expandableListView.setAdapter(myBaseExpandableListAdapter);    }    private void initData() {        for (int i = 0; i < 15; i++) {            //提供父列表的数据            Map<String, Object> parentMap = new HashMap<String, Object>();            parentMap.put("parentName", "parentName"+i);            if (i%2==0) {                parentMap.put("parentIcon", R.mipmap.ic_launcher);            }else            {                parentMap.put("parentIcon", R.mipmap.louisgeek);            }            parentMapList.add(parentMap);            //提供当前父列的子列数据            List<Map<String, Object>> childMapList = new ArrayList<Map<String, Object>>();            for (int j = 0; j < 10; j++) {                Map<String, Object> childMap = new HashMap<String, Object>();                childMap.put("childName", "parentName"+i+"下面的childName"+j);                childMapList.add(childMap);            }            childMapList_list.add(childMapList);        }    }}

1. xml 4 aty

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context="com.louis.louisexpandablelistviewdemo.MainActivity">    <ExpandableListView        android:id="@+id/id_elv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:background="@mipmap/channel_expandablelistview_bg"        android:cacheColorHint="#00000000"        android:divider="#ebebeb"        android:groupIndicator="@null"        android:dividerHeight="2dp"        android:footerDividersEnabled="false"        >    </ExpandableListView></RelativeLayout>

3.xml 4 parent group

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/id_ll_parent"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:orientation="horizontal" >    <!--记得去掉箭头图   在ExpandableListView中加入android:groupIndicator="@null" -->   <!-- <View        android:id="@+id/channel_line"        android:layout_width="5dp"        android:layout_height="20dp"        android:layout_marginLeft="15dp"        android:layout_gravity="center_vertical"        android:background="#79BEF7" />-->    <ImageView        android:id="@+id/iv_img_parent"        android:layout_width="40dp"        android:layout_height="40dp"        android:layout_marginLeft="10dp"        android:padding="2dp"        />    <TextView        android:id="@+id/tv_title_parent"        android:padding="10dp"        android:layout_marginLeft="5dp"        android:layout_toRightOf="@id/iv_img_parent"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />    <ImageView        android:id="@+id/iv_img_parent_right"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_centerVertical="true"        android:layout_alignParentRight="true"        android:layout_marginRight="20dp"        /></RelativeLayout>

5.xml 4 child

<?xml version="1.0" encoding="utf-8"?>    <TextView xmlns:android="http://schemas.android.com/apk/res/android"        android:id="@+id/tv_items_child"         android:padding="10dp"        android:layout_width="wrap_content"        android:layout_height="wrap_content" >    </TextView>

结果

demo下载：http://download.csdn.net/detail/richiezhu/9463381

可展开列表ExpandableListView嵌套GirdView 见：http://blog.csdn.net/richiezhu/article/details/50912014