Open-source alternatives to RetainedDateTimePickers

You can now select a date and a time with only one widget !

CalendarView is a high-performance Android UI component designed for displaying dates and navigating chronological views. It functions as a canvas-based widget that utilizes direct drawing instead of standard list views to minimize memory usage and ensure fast rendering of complex date interfaces. The component provides a programmable interface for switching between month, week, year, and lunar views. It differentiates itself through a pluggable customization system that allows developers to override the drawing logic for dates, text, event markers, and selection layouts. The library support

Android Countdown View

An Android time picker library.

A custom ListView combine with CalendarView which interactive each other.

Third-party date and time pickers for Android.

A Material design back port of Android's CalendarView

A better calendar for Android

Standalone Android widget for picking a single date from a calendar view.