Popular "swift4" questions | Page 4

We have big enough project which is built up with Swift 2.x and now Apple has just released Swift 4 so …

swift swift2 xcode8 xcode9-beta swift4

my project uses both Objective-C and Swift code. When a user logs in, it calls a set of apis for …

swift crash swift4 ios11 xcode9-beta

My application already in app store, yesterday i have updated my Xcode version to 9 and works fine except iPhone x. …

ios autolayout swift4 xcode9 iphone-x

In the past I had no problem creating a UIButton programmatically, but ever since I've been using Xcode 9 and Swift 4, …

uibutton selector swift4 xcode9-beta addtarget

Codable seems a very exciting feature. But I wonder how we can use it in Core Data? In particular, is …

swift core-data swift4 xcode9 codable

I am trying to hide status bar in one of my UIViewControllers (Swift 4). Firstly, I set View controller-based status bar …

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In swift 3 I could do something like this to make my UIView corners round: import UIKit @IBDesignable class DesignableView: UIView { } …

ios swift uiview swift4 ibdesignable

i've just converted my little app but i've found this error: 'substring(from:)' is deprecated: Please use String slicing …

swift substring deprecated swift4

With Swift 4's Codable protocol there's a great level of under the hood date and data conversion strategies. Given the …

json swift swift4 codable

I am new to iOS development.I want to toggle (hide/visible) a subview from parent view.In android there …

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