ObjectiveKit alternatives and similar libraries
Based on the "Utility" category
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SwifterSwift
:A handy collection of more than 360 native Swift 3 extensions to boost your productivity. -
SwiftGen
A collection of Swift tools to generate Swift code (enums for your assets, storyboards, Localizable.strings, …) -
SwiftGen-Storyboard
A tool to auto-generate Swift enums for all your Storyboards, Scenes and Segues constants + appropriate convenience accessors. -
LifetimeTracker
LifetimeTracker can surface retain cycle / memory issues right as you develop your application, and it will surface them to you immediately, so you can find them with more ease. -
SwiftLinkPreview
It makes a preview from an url, grabbing all information such as title, relevant texts and images. -
PinpointKit
An open-source iOS library in Swift that lets your testers and users send feedback with annotated screenshots and logs using a simple gesture. -
Highlighter
Highlight whatever you want! Highlighter will magically find UI objects such as UILabel, UITextView, UITexTfield, UIButton in your UITableViewCell or other Class. -
Pythonic.swift
Pythonic tool-belt for Swift: a Swift implementation of selected parts of Python standard library. -
SwiftSequence
A μframework of extensions for SequenceType in Swift 2.0, inspired by Python's itertools.
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README
ObjectiveKit
ObjectiveKit provides a Swift friendly API for a set of powerful Objective C runtime functions.
Usage
To use ObjectiveKit:
Import ObjectiveKit at the top of your Swift file:
import ObjectiveKit
The next step is to create an ObjectiveClass object typed for the class you want to modify or introspect:
let viewClass = ObjectiveClass<UIView>()
If using ObjectiveKit on a custom Swift class, make sure that it inherits at some point from NSObject and that it is exposed to the Objective C runtime using the @objc flag.
Introspection
You can learn more about classes at runtime with these handy introspection methods:
let mapViewClass = ObjectiveClass<MKMapView>()
let ivars = mapViewClass.ivars // An array of ivars.
let selectors = mapViewClass.selectors // An array of selectors.
let properties = mapViewClass.properties // An array of properties.
let protocols = mapViewClass.protocols // An array of protocols.
Modifying classes at runtime
Add a pre-existing selector from another class to your ObjectiveClass:
let viewClass = ObjectiveClass<UIView>()
viewClass.addSelector(#selector(testSelector), from: self.classForCoder)
let view = UIView()
view.perform(#selector(testSelector))
Add a custom method by providing the implementation with a closure:
let viewClass = ObjectiveClass<UIView>()
viewClass.addMethod(closureName, implementation: {
print("hello world")
})
let view = UIView()
view.performMethod(closureName)
ObjectiveKit also supports exchanging selectors in the same class:
let viewClass = ObjectiveClass<UIView>()
viewClass.exchangeSelector(#selector(UIView.layoutSubviews), with: #selector(UIView.xxx_layoutSubviews))
Creating classes at runtime
Lastly, you can also create a custom ObjC class at runtime:
let runtimeClass = RuntimeClass(superclass: UIView.self)
runtimeClass.addIvar(ivarName, type: .Float)
let runtimeObject = runtimeClass.allocate()
runtimeObject.setValue(4.0, forKey: ivarName)
Setting up
Setting up with CocoaPods
source 'https://github.com/CocoaPods/Specs.git'
pod 'ObjectiveKit', '~> 0.2'
Setting up with Carthage
Carthage is a decentralized dependency manager that automates the process of adding frameworks to your Cocoa application.
You can install Carthage with Homebrew using the following command:
$ brew update
$ brew install carthage
To integrate ObjectiveKit into your Xcode project using Carthage, specify it in your Cartfile:
github "marmelroy/ObjectiveKit"