android studiodemoSpinner下拉菜单多选的实现

android studio,demo,Spinner下拉菜单多选的实现，android studio3.0.1的环境下使用。

/**
 * Automatically generated file. DO NOT MODIFY
 */
package com.boxi.myapplication.test;

public final class BuildConfig {
  public static final boolean DEBUG = Boolean.parseBoolean（“true“）;
  public static final String APPLICATION_ID = “com.boxi.myapplication.test“;
  public static final String BUILD_TYPE = “debug“;
  public static final String FLAVOR = ““;
  public static final int VERSION_CODE = 1;
  public static final String VERSION_NAME = “1.0“;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\
     文件       11522  2019-06-06 11:12  test_multiSelect_spinner\app\app.iml
     文件         751  2019-06-06 10:17  test_multiSelect_spinner\app\proguard-rules.pro
     目录           0  2019-06-06 10:17  test_multiSelect_spinner\app\libs\
     文件           7  2019-06-06 10:17  test_multiSelect_spinner\app\.gitignore
     文件         927  2019-06-06 10:18  test_multiSelect_spinner\app\build.gradle
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\androidTest\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\androidTest\debug\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-xhdpi\
     文件        1320  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-xhdpi\ic_launcher_background.png
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-xxhdpi\
     文件        3254  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-xxhdpi\ic_launcher_background.png
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-hdpi\
     文件         730  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-hdpi\ic_launcher_background.png
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-ldpi\
     文件         331  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-ldpi\ic_launcher_background.png
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-anydpi-v21\
     文件        5606  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-anydpi-v21\ic_launcher_background.xml
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-mdpi\
     文件         407  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-mdpi\ic_launcher_background.png
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-xxxhdpi\
     文件        4380  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\res\pngs\debug\drawable-xxxhdpi\ic_launcher_background.png
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\source\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\source\aidl\
     目录           0  2019-06-06 11:15  test_multiSelect_spinner\app\build\generated\source\aidl\androidTest\
............此处省略1891个文件信息