Android application theme change smoothly

问题

I am working on a project where day and night themes available.

I am changing themes by

night theme:

AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES)

day theme:

AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO)

But to see the changes in that activity/app, I need to restart app or recreaate that activity by recreate() but this is taking time and its not smooth like whatsApp or Telegram.

So how could I change theme of app smoothly that looks beautiful on theme change?

来源：https://stackoverflow.com/questions/60829884/android-application-theme-change-smoothly