dropdownMenu下拉筛选（android源码）

package com.yyy.djk.dropdownmenu;

import android.app.Application;
import android.test.ApplicationTestCase;

/**
 * Testing Fundamentals
 */
public class ApplicationTest extends ApplicationTestCase {
    public ApplicationTest（） {
        super（Application.class）;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-04-11 18:12  DropDownMenu-master\
     文件         973  2016-04-11 18:12  DropDownMenu-master\DropDownMenu-master.iml
     目录           0  2019-11-16 09:01  __MACOSX\
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\
     文件         212  2016-04-11 18:12  __MACOSX\DropDownMenu-master\._DropDownMenu-master.iml
     目录           0  2016-04-11 18:12  DropDownMenu-master\app\
     文件        8814  2016-04-11 18:12  DropDownMenu-master\app\app.iml
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\app\
     文件         212  2016-04-11 18:12  __MACOSX\DropDownMenu-master\app\._app.iml
     文件         645  2016-04-11 18:12  DropDownMenu-master\app\proguard-rules.pro
     文件         212  2016-04-11 18:12  __MACOSX\DropDownMenu-master\app\._proguard-rules.pro
     文件         107  2016-04-11 18:12  DropDownMenu-master\app\.gitignore
     文件         212  2016-04-11 18:12  __MACOSX\DropDownMenu-master\app\._.gitignore
     文件         622  2016-04-11 18:12  DropDownMenu-master\app\build.gradle
     文件         212  2016-04-11 18:12  __MACOSX\DropDownMenu-master\app\._build.gradle
     目录           0  2016-04-11 18:12  DropDownMenu-master\app\src\
     目录           0  2016-04-11 18:12  DropDownMenu-master\app\src\androidTest\
     目录           0  2016-04-11 18:12  DropDownMenu-master\app\src\androidTest\java\
     目录           0  2016-04-11 18:12  DropDownMenu-master\app\src\androidTest\java\com\
     目录           0  2016-04-11 18:12  DropDownMenu-master\app\src\androidTest\java\com\yyy\
     目录           0  2016-04-11 18:12  DropDownMenu-master\app\src\androidTest\java\com\yyy\djk\
     目录           0  2016-04-11 18:12  DropDownMenu-master\app\src\androidTest\java\com\yyy\djk\dropdownmenu\
     文件         355  2016-04-11 18:12  DropDownMenu-master\app\src\androidTest\java\com\yyy\djk\dropdownmenu\ApplicationTest.java
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\app\src\
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\app\src\androidTest\
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\app\src\androidTest\java\
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\app\src\androidTest\java\com\
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\app\src\androidTest\java\com\yyy\
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\app\src\androidTest\java\com\yyy\djk\
     目录           0  2019-11-16 09:01  __MACOSX\DropDownMenu-master\app\src\androidTest\java\com\yyy\djk\dropdownmenu\
     文件         212  2016-04-11 18:12  __MACOSX\DropDownMenu-master\app\src\androidTest\java\com\yyy\djk\dropdownmenu\._ApplicationTest.java
............此处省略248个文件信息