这是android的PopUpWindow的这个应用，很适合初学者，就其应用在菜单栏menu等上-This is the android s PopUpWindow of this application, it is suitable for beginners, for its application on the menu bar, menu, etc.

Android模板QQ登录界面的下拉框示例，包含有对数据库的操作，使用EditText下拉框记住账号和密码，通过editText+popupwindow+sqlite方式实现。 -Example Template drop-down box Android QQ login interface, includes operation of the database, use the drop-down box EditText username and password to remembe

仿IOS7的拍照/选择照片样式的popupwindow-Imitation IOS7 camera/ a photo style popupwindow