I've got a use case where those indicators disturb the user interaction. Can I subclass and override a method or do something similar to remove the scroll indicators from the scroll view?
7 Answers
Set the showsHorizontalScrollIndicator and showsVerticalScrollIndicator properties of the UIScrollView to NO.
[tableView setShowsHorizontalScrollIndicator:NO];
[tableView setShowsVerticalScrollIndicator:NO];
 
    
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                    As learnt from Docs,you can even use it for scrollview directly! [scrollview setShowsHorizontalScrollIndicator:NO]; Thanks to @retainCount – Rajal Jan 22 '15 at 07:17
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                    1As of iOS 11, this should be called in viewWillAppear, it doesn't work if called in viewDidLoad – melvinto Mar 08 '18 at 17:38
//For UITableView - Objective-C
tbl.showsHorizontalScrollIndicator = NO;
tbl.showsVerticalScrollIndicator = NO;
//For UITableView - SWIFT 3.0
tbl.showsHorizontalScrollIndicator = false
tbl.showsVerticalScrollIndicator = false
//For UIScrollView - Objective-C
scrl.showsHorizontalScrollIndicator = NO;
scrl.showsVerticalScrollIndicator = NO;
//For UIScrollView - SWIFT
scrl.showsHorizontalScrollIndicator = false
scrl.showsVerticalScrollIndicator = false
Change from XIB or storyboard
 
    
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                    tableView also has checkboxes for this - I'm working with xCode 11 – Andy Weinstein Jul 08 '20 at 14:10
For those looking to do this in Swift.
self.tableView.showsHorizontalScrollIndicator = false
self.tableView.showsVerticalScrollIndicator = false
 
    
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For UIScrollView in Swift
scrollView?.showsHorizontalScrollIndicator = false
scrollView?.showsVerticalScrollIndicator = false
 
    
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Swift 3.0 extension for UIScrollView and UITableView:
import Foundation
extension UIScrollView {
    func hideIndicators() {
        showsHorizontalScrollIndicator = false
        showsVerticalScrollIndicator = false
    }
}
 
    
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These are your UITableView scrolling properties:
[YourTableView setShowsHorizontalScrollIndicator:NO];
[YourTableView setShowsVerticalScrollIndicator:NO];
These are your UIScrollView scrolling properties:
[YourScroll setShowsHorizontalScrollIndicator:NO];
[YourScroll setShowsVerticalScrollIndicator:NO];
 
    
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No answers have worked for me because the focus ring of indicators is shown every time but I solve my problem via NSStoryboard.
NSCollectionView have a diagram;
Scroll View - Collection View then Clip View then Scroller (vertical) & Scroller (Horizontal)
Click any Scroller object then in Attributes Inspector set Focus Ring property to None. If you have not set it you can have a problem when users change the Appearance between Dark and Light.
 
    
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