Josscii

https://www.avanderlee.com/ 有几篇还不错的可以拿来用的代码

https://www.swiftbysundell.com/ 有很多值得学习的编程思想

https://www.vadimbulavin.com/ 推荐他的底层原理系列文章

https://swiftrocks.com/

Josscii

// https://www.avanderlee.com/swift/asynchronous-operations/

class AsyncOperation: Operation {
    private let lockQueue = DispatchQueue(label: "com.swiftlee.asyncoperation", attributes: .concurrent)

    override var isAsynchronous: Bool {
        return true
    }

    private var _isExecuting: Bool = false

Josscii

// https://www.avanderlee.com/swift/authentication-alamofire-request-adapter/

/// The storage containing your access token, preferable a Keychain wrapper.
protocol AccessTokenStorage: class {
    typealias JWT = String
    var accessToken: JWT { get set }
}

final class RequestInterceptor: Alamofire.RequestInterceptor {

Josscii

SwiftBySundell 阅读笔记

Writing small utility functions in Swift

func configure<T>(
    _ value: T,
    using closure: (inout T) throws -> Void
) rethrows -> T {
 var value = value

Josscii

英文：https://docs.swift.org/swift-book/ReferenceManual/Attributes.html

中文：https://swiftgg.gitbook.io/swift/yu-yan-can-kao/07_attributes

Josscii

//https://developer.apple.com/videos/play/wwdc2019/212

extension UserDefaults {
    private static let isInfoBarHiddenKey = "IsInfoBarHidden"
    
    @objc dynamic var isInfoBarHidden: Bool {
        get { bool(forKey: UserDefaults.isInfoBarHiddenKey)  }
        set { set(newValue, forKey: UserDefaults.isInfoBarHiddenKey) }
    }
}

Josscii

//https://stackoverflow.com/a/58518282/4819236

extension CALayer {    
    var areAnimationsEnabled: Bool {
        get { delegate == nil }
        set { delegate = newValue ? nil : CALayerAnimationsDisablingDelegate.shared }
    }
}

private class CALayerAnimationsDisablingDelegate: NSObject, CALayerDelegate {

Josscii

import UIKit

class FixControlTouchScrollView: UIScrollView {
    override init(frame: CGRect) {
        super.init(frame: frame)
        delaysContentTouches = false
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)

Josscii

class EnlargeButton: UIButton {
    override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
        return bounds.insetBy(dx: -20, dy: -20).contains(point)
    }
}

extension UIButton {
    open override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
        return bounds.insetBy(dx: -20, dy: -20).contains(point)
    }

Josscii

import UIKit

// https://spin.atomicobject.com/2018/04/25/uibutton-background-color/

// Declare a global var to produce a unique address as the assoc object handle
private var normalColorHandle: UInt8 = 0
private var disabledColorHandle: UInt8 = 0
private var highlightedColorHandle: UInt8 = 0
private var selectedColorHandle: UInt8 = 0