python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - uipagecontrol

UICollectionView scrollToItem() wrong position on the first time

I am trying to create a carousel view with collection view and page control. Whenever I tapped the page control, I will call the collectionView.scrollToItem(). But when I launch my app, the first time...
test-img

JohnLiu

ios

swift

carousel

collectionview

uipagecontrol

Votes: 0

Answers: 0

test-img

How to determine that the scroll reached to specific position(I have to determine the space from bottom should be 56 px) while scrolling in iOS swift

I have a ScrollView on a view, where the page control is sticky from the bottom. The page control is animated in and shown when the page is scrolled to 48px from the bottom of the page and stays opaci...
test-img

user1960279

ios

xcode

uiscrollview

uiviewanimation

uipagecontrol

Votes: 0

Answers: 1

Latest Answer

You need to calculate the bottomOffset first, then calculate the difference between it and the contentOffset. If it's <= 56, then you reached a specific position. let bottomOffset = scrollView.cont...
test-img

Ramy Rizkalla

Posts

Questions

Blogs