How to make a screen timer

[zander]

This might be useful to you

I want to make a timer function

I will make the user see the advertisement video. Click the ad every 4 hours to get an item. So I set the timer to 4 hours. I want to watch the advertisement video when the advertisement button is clicked, and to turn on the timer when the advertisement video ends. Advertisements cannot be clicked again while the timer is on. After 4 hours, I want to activate the advertisement button again. What should I do? [image]

Or this one

Help build a timer that works when the screen is locked

The timer is ready and working. But every time the user locks the screen the timer stops. Is there a way for the timer to continue working when the screen is locked?