支持侧滑动作的自定义ExpandableListView

项目需要可侧滑子项的expandableListView 找了很久没有找到，自己就琢磨了一个

/** Automatically generated file. DO NOT MODIFY */
package com.example.demolist;

public final class BuildConfig {
    public final static boolean DEBUG = true;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-02-27 10:32  DemoList\
     文件         475  2015-02-27 10:32  DemoList\.classpath
     文件         844  2015-02-27 10:32  DemoList\.project
     目录           0  2015-02-27 10:32  DemoList\.settings\
     文件         177  2015-02-27 10:32  DemoList\.settings\org.eclipse.jdt.core.prefs
     文件         863  2015-02-27 10:32  DemoList\AndroidManifest.xml
     目录           0  2015-03-16 16:03  DemoList\assets\
     目录           0  2015-03-13 08:39  DemoList\bin\
     文件         863  2015-03-14 12:14  DemoList\bin\AndroidManifest.xml
     文件      411922  2015-03-13 08:39  DemoList\bin\DemoList.apk
     目录           0  2015-03-14 12:14  DemoList\bin\classes\
     目录           0  2015-03-14 12:14  DemoList\bin\classes\com\
     目录           0  2015-03-14 12:14  DemoList\bin\classes\com\example\
     目录           0  2015-03-14 12:14  DemoList\bin\classes\com\example\demolist\
     文件         349  2015-03-14 12:14  DemoList\bin\classes\com\example\demolist\BuildConfig.class
     文件        3975  2015-03-14 12:14  DemoList\bin\classes\com\example\demolist\MainActivity$1.class
     文件         811  2015-03-14 12:14  DemoList\bin\classes\com\example\demolist\MainActivity$2.class
     文件        1389  2015-03-14 12:14  DemoList\bin\classes\com\example\demolist\MainActivity.class
     文件         292  2015-03-14 12:14  DemoList\bin\classes\com\example\demolist\MyExpandableListView$ButtonclickListener.class
     文件        3643  2015-03-14 12:14  DemoList\bin\classes\com\example\demolist\MyExpandableListView.class
     文件         444  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$anim.class
     文件         346  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$attr.class
     文件         444  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$color.class
     文件         467  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$dimen.class
     文件         957  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$drawable.class
     文件        1303  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$id.class
     文件         552  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$layout.class
     文件         394  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$menu.class
     文件         478  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$string.class
     文件         492  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R$style.class
     文件         791  2015-03-16 07:31  DemoList\bin\classes\com\example\demolist\R.class
............此处省略93个文件信息