Why swipe() and flick() method cannot work on IOS?

hi, guys

the method swipe() and flick() cannot work on IOS,which method can be used if i want to scroll my screen on iOS?

anyone can give some help?

thanks so much!

without example of your code and server logs we can not help you.

Thanks Alekse.

this problem has been resolved.
self.driver.flick() is good to use.

hope this could supply more help: