Fully customizable recurrence picker dialog and fragment, compatible with API 19. Easy to set up and to customize, almost every view can be styled with attributes. Several settings are available to change the picker interface and behavior.
If you haven't migrated to AndroidX, use version 1.4.5.
Version 1.5.0 and above use AndroidX.
Version 2.0.0 and above are written in Kotlin but should support Java well.
Note that v2 introduces major breaking changes, see the changelog for more info.