swift-extensions Archives

Non-‘@objc’ method does not satisfy optional requirement of ‘@objc’ protocol with conditional extension

January 6, 2021 Aba Tayler

Question or problem in the Swift programming language: I’m trying to create a default implementation of an MKMapViewDelegate by using the conditional extension as follows:

Accessing Swift Extension From Objective-C

January 6, 2021 Ollie MC

Question or problem in the Swift programming language: I’m having trouble accessing my swift extension from objective-c.

Swift ‘open’ keyword & overridable method/properties in extension?

January 3, 2021 Abreonia Ng

Question or problem in the Swift programming language: With introduction of open keyword in Swift 3.0 (What is the ‘open’ keyword in Swift?).

Subscript Dictionary with String-based Enums in Swift

December 30, 2020 Andrew Rocky

Question or problem in the Swift programming language: I want to extend Dictionary with String keys (JSON dictionaries) to allow subscripting with any enum that has a RawValue type of String. The end goal would be multiple enums that can be used to subscript JSON dictionaries.

Ambiguous reference to member ‘subscript’ on Dictionary

December 25, 2020 Ollie MC

Question or problem in the Swift programming language: I am trying to create a failable initializer for a class. My class will be initialized using input from a network request. Networks being unreliable, I want to create an initializer the checks for the presence on all properties, and for it to fail otherwise.

Firebase & Swift: How to use another database for storing larger files?

December 25, 2020 Andrew Rocky

Question or problem in the Swift programming language: I am currently trying to build a chat application in swift whilst using Firebase for real-time messaging. My only issue is I want users to send images, I want them to have profiles with images but I know Firebase has limited storage (or at least storage per […]

Tag: swift-extensions

Non-‘@objc’ method does not satisfy optional requirement of ‘@objc’ protocol with conditional extension

Accessing Swift Extension From Objective-C

Swift ‘open’ keyword & overridable method/properties in extension?

Subscript Dictionary with String-based Enums in Swift

Ambiguous reference to member ‘subscript’ on Dictionary

Firebase & Swift: How to use another database for storing larger files?

Abstract methods in Swift?

Swift protocol generic as function return type

Auto change the font size to fit the button in swift

Using Google Places API with Alamofire 4.0 and iOS 10 and Swift 3