<p>Android 10 introduced a system Dark theme setting, and modern apps should both support the system setting as well as let users override to their preferred theme. See how to add DayNight themes into your app on Android 10 and earlier versions of Android, and then let your users decide whether to follow the system setting. You'll also learn how to go to a dark theme in battery saver mode.</p>
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/5697228-supporting-dark-theme