a better DropDownMenu solution, 完整的筛选器解决方案
底部划动菜单，滑动时背景图透明度渐变，支持嵌套 LiewView 或 ScrollView
Cool blurred grid menu for Android.
GitHub - tibi1712/FoldingNavigationDrawer-Android
Tap Bar Menu
ExpandableSelector is an Android library created to show a list of Button/ImageButton widgets inside a animated container which can be collapsed or expanded.
CircleMenu is a simple, elegant menu with a circular layout.
Delicate, chic and supports customizable circle menu
Implementation of a circular button made of paper that lifts and emits ink reactions on press.
Navigation Drawer Simple Implementation
A simple yet-powerful and fully customizable Android drop-down menu. It supports Text with/without Icons, Separators, and even fully customized views.
Android PopupWindow that can be easily located relative to anchor View.