The splash screen typically displays the name of the application and possibally lists the parts of the application that are being loaded. The idea of a splash screen is to keep the user occupied ...

Creating splash screens in Java by using AWT and Swing is well documented in the current literature. ... This tip presents a splash-screen component on which the user can click to make it disappear.

In some cases, like Google Chrome, this splash screen is brand new in Android 12 and not a part of the app itself. In others, the splash screen gets redesigned, which is what we see with Slack.