Android time range picker
Android Week View is an android library to display calendars (week view or day view) within the app. It supports custom styling.
A better calendar for Android
This is a picker view for android , support linkage effect, timepicker and optionspicker.（时间选择器、省市区三级联动）
Pick a date or time on Android in style
Android Countdown View
A material-styled android view that provisions picking of a date, time & recurrence option, all from a single user-interface.
An android library which provides a compact calendar view much like the one used in google calenders.
Android library for better Picker DialogFragments
Standalone Android widget for picking a single date from a calendar view.
DateTimePicker is a library which contains the beautiful DatePicker that can be seen in the new Google Agenda app.
Android calendar view inspired by Sunrise calendar and iOS7 stock calendar