android自动切换广告栏，可无限滑动

实现了Android程序中可以显示多个可以自动切换的广告栏，类似淘宝app首页的广告切换，代码很清楚，物有所值！

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

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

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         475  2014-04-10 14:35  AdvertisementViewGroup\.classpath
     文件         858  2014-04-10 14:35  AdvertisementViewGroup\.project
     文件         976  2014-04-10 14:57  AdvertisementViewGroup\AndroidManifest.xml
     目录           0  2014-04-10 17:22  AdvertisementViewGroup\assets\
     文件      364533  2014-04-10 17:12  AdvertisementViewGroup\bin\AdvertisementViewGroup.apk
     文件         976  2014-04-10 15:04  AdvertisementViewGroup\bin\AndroidManifest.xml
     文件        1093  2014-04-10 17:05  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\Advertisement.class
     文件         377  2014-04-10 15:04  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\BuildConfig.class
     文件        1225  2014-04-10 17:14  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\MainActivity$1.class
     文件        5843  2014-04-10 17:14  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\MainActivity.class
     文件         388  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R$attr.class
     文件         509  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R$dimen.class
     文件         601  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R$drawable.class
     文件         667  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R$id.class
     文件         531  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R$layout.class
     文件         436  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R$menu.class
     文件         520  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R$string.class
     文件         479  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R$style.class
     文件         833  2014-04-10 17:12  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\R.class
     文件        1055  2014-04-10 17:05  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGallery$1.class
     文件        1233  2014-04-10 17:05  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGallery$2.class
     文件        2958  2014-04-10 17:05  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGallery$AdAdapter.class
     文件         305  2014-04-10 17:05  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGallery$OnAdItemClickListener.class
     文件         655  2014-04-10 17:05  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGallery$ViewHolder.class
     文件        6858  2014-04-10 17:05  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGallery.class
     文件        1748  2014-04-10 17:16  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGalleryHelper$1.class
     文件         330  2014-04-10 17:16  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGalleryHelper$OnGallerySwitchListener.class
     文件        4540  2014-04-10 17:16  AdvertisementViewGroup\bin\classes\com\example\advertisementviewgroup\widget\AdGalleryHelper.class
     文件     1001984  2014-04-10 17:12  AdvertisementViewGroup\bin\classes.dex
     文件       75200  2014-04-10 15:05  AdvertisementViewGroup\bin\dexedLibs\afinal_0.5.1_bin-67a23cd8b55b5b41d9ae9d3ed2679fbc.jar
     文件      242174  2014-04-10 15:05  AdvertisementViewGroup\bin\dexedLibs\android-support-v4-81201d948cc8cce2a39444e66753e7a6.jar
............此处省略40个文件信息