What Is Android Incallui [repack] -

When you make or receive a call, the screen you see — with the caller ID, answer/decline buttons, mute, speakerphone, keypad, and end-call options — is generated by InCallUI. It’s part of the Dialer app’s underlying code but can be updated separately via system updates or vendor customizations (e.g., Samsung’s One UI, Google Pixel’s Phone app).

In short:

is the system-level user interface component in the Android operating system that handles the on-screen display and controls during an active phone call. what is android incallui