Implement splash screen for older Android versions

[Isira-Seneviratne]

Implement a splash screen similar to the one on Android 12 and later for Android 6.0 and later. More information can be found here.

Demo (Android 6.0)

Screen_recording_20250305_093142.mp4

[dragonx943]

Implement a splash screen similar to the one on Android 12 and later for Android 6.0 and later. More information can be found here.

Demo (Android 6.0)

Screen_recording_20250305_093142.mp4

@Isira-Seneviratne it seems not quite useful, and trading stability + performance for looks is not advised 👌

[Koitharu]

I don't think we really need it.
On A12+ (if I'm not mistaken) it is necessary but for lower versions it is not required and just slow down the application startup