One UI Double Tap bug

[RealWaffle]

Whenever I Double Tap when I'm on the lock/Home Screen it turns off but when I'm in a app it doesn't work here is a video for proof

[LongHiker]

@RealWaffle That is normal behaviour. Apps use single and double taps for their own purposes. 

[RealWaffle]

I didn't know that

[LongHiker]

@RealWaffle If you want to quickly lock your phone, click the side button. 

Or click the home button and then double tap the screen.