How to make a non-closable screen? React Native and/or Android?

Question

Android

Application in React Native.
It is necessary that it was impossible to drop down or close.
Like when calling Telegram.
On React Native or at least Android.

Answer 1

google kiosk mode android
the first thing you need to understand in react native there is no magic - open the android folder and everything is there as usual
for your task, it is important to know under which platforms you need to do in older versions of android kiosk mode is in the sdk in the younger ones you had to pervert or make app launcher

Answer 2

Like when calling Telegram.

the source for the telegram client for android is open . Drink, Shura!