NSScreencast
How Bézier Paths Work - NSScreencast ベジェ曲線の描画の仕組みを可視化 UIBezierPath 基準点(2点)に対する補助線を描画 interpolatePosition drawPoint startPoint , endPoint , control1 , control2 各辺を移動する点を可視化 それらの点の隣り合う2点を…
Function Composition with CI Filters - NSScreencast Filterをfuncなどを使って実装 typealias Filter = CIImage -> CIImage func func sepia() -> Filter { func blur(radius: Double) -> Filter { func vortex(angle: Double) -> Filter { CIFilter(name…
Core Image - NSScreencast SepiaとBlurの効果を画像に適用 白黒画像の白さを立体表現に変換する例 周囲のpixelから計算 blur効果ができる仕組み Core Image Filter Reference let filter = CIFilter(name: "CISepiaTone", withInputParameters: failurable …
Vibrancy and Blur - NSScreencast テキスト表示エリアに透けるエフェクト 過去のエピソード Blur - NSScreencast UIVisualEffectView UIBlurEffect [UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight] UIBlurEffectStyleDark UIBlurEffectStyleLi…
Share Extensions Part 2 - NSScreencast Imgurという画像共有サービス連携のアップロード部分の実装 ImgurApi init session self.sessionConfig = [NSURLSessionConfiguration defaultSessionConfiguration]; self.sessionConfig.HTTPAdditionalHeaders = […
Share Extensions Part 1 - NSScreencast imgurという画像共有サービスと連携 imgur: the simple image sharer ImgShare ImgShareKit ImgShareExtension Podfile target 'ImgShare' do pod 'AFNetworking' Add new target in Xcode (ImgShareKit) check Allo…
Flat Map - NSScreencast enum Result<T> { func map<U>(transform: T -> U) -> Result<U> { func flatten<T>(array: [[T]]) -> [T] return array.reduce([]) { $0 + $1 } $0などは引数 [Swift] Closureについてメモ - Qiita flatten() ().flattenは難しい extension Arr</t></u></u></t>…
Error Handling in Swift - NSScreencast var error: NSError? NSErrorPointer coco style error enum Result { case Success(Box) case Error(String) class Box { var unbox: T init(_ value: T) { unbox = value swiftで右側に実行結果が出る Swift Playg…
Simulating Rope with UIKit Dynamics - NSScreencast ロープにぶら下がった物体のアニメーション ⌘Boom - Creating a rope with UIDynamics bang links.first!.center What does an exclamation mark mean in the Swift language? - Stack Overflow link 〔…
UIAttachments - NSScreencast buttonを押すとbuttonが漂って、その後落ちるアニメーション buttonTapped animator = UIDynamicAnimator(referenceView: self.view) gravity = UIGravityBehavior(items: [button, label]) var collision = UICollisionBehavi…
Today Extensions in iOS 8 - NSScreencast Today Extensionの実装 iOS8 Today Extension 通知部分で使える App Extension Programming Guide: App Extensions Increase Your Impact XCode Today Extension product name language swift files Controller Ma…
IBDesignable - NSScreencast IBDesignableの使い方 iOS 8 and Xcode 6 are available and out of NDA Previewを見ながら実装できる DesignableKit Linked Libraries Build PosterView.swift @IBDesignable class PosterView : UIView var label: UILabel! t…
Fun with UIKit Dynamics - NSScreencast 物体の落下の実装 UIKit Dynamics physics engine UIGravityBehavior [self.animator addBehavior:self.gravity]; UICollisionBehavior self.collision.translatesReferenceBoundsIntoBoundary = YES; 角度をずらす…
Clipping Paths - NSScreencast ボードゲームを実装する board game Connect Four Connect Four - Play it now at Coolmath-Games.com checkers game GameBoardView updateConstraints ViewController viewDidLoad [self.view addConstraints: wrong aspect …
Animating Constraints - NSScreencast 動的にAutoLayoutを設定しアニメーションする 以前のプロジェクトの続き Add properties for constraints and views @property (nonatomic, strong) NSLayoutConstraint *leftWidthConstraint; @property (nonatomic, …
Visual Format Language - NSScreencast Visual Format Languageでconstraintsを記述 AutoLayout wordy(冗長な), cumbersome Visual Format Language condensed format horizontal default inferred "|-[headlineView]-|" "H:|-[headlineView]-|" vertical "…
Auto Layout in Code - NSScreencast コードでAutoLayoutを指定 reason to use code in storyboard, accidentally break with drag and drop NSLayoutConstraint constraintWithItem attribute (引数, 2回?) relatedBy attribute [headlineView addConstrain…
Realm - NSScreencast realmというmobile databaseを使う realm database podfile pod "Realm" #import <Realm/Realm.h> RLMObject app delegate RLMRealm *realm = [RLMRealm defaultRealm]; [realm beginWriteTransaction]; [realm addObject:car]; [realm commitWriteTra</realm/realm.h>…
Swift JSON Redux Part 2 - NSScreencast JSONをparseするライブラリの続き class JSArray<A, B : JSONDecode where B.J == A> : JSONDecode { class func fromJSON(j: JSValue) -> [A]? { let mapped = array.map { B.fromJSON($0) } let results = compact(mapped) generic type parameters </a,>…
Swift JSON Redux - Part 1 - NSScreencast JSONをparseするライブラリ Core JSValue Enum enum JSValue { case JSArray([JSValue]) case JSObject( [ String : JSValue ] ) switch obj { case let s as NSString: return .JSString(s) case let n as NSNumb…
Swift JSON - NSScreencast SwiftをJSONをパース Obj-Cの方がSwiftよりJSONパースが適当に実装できる parsing JSON (which provides no contracts or type guarantees) can be difficult and tedious in Swift. Many of the problems you are forced to deal…
Swift Networking - NSScreencast jsonデータをSwiftでダウンロードする let task = session.dataTaskWithURL(url) { (let data, let response, let error) in if let httpResponse = response as? NSHTTPURLResponse { self.running = false running = true…
Swift Operators - NSScreencast SwiftでOperatorを定義 =~ be guard init The Swift Programming Language: Initialization initとfuncで引数の扱いが違う external first argument struct Celsius init(fromFahrenheit fahrenheit: Double) Celsius(fromFa…
Swift Classes - NSScreencast Swiftのクラスの仕様 swift -i input_file gem guard-shell inheritance class Dog: Animal { subclass have to specify override func initializer init(name: String) {} super.init(name: "Molly") call superclass super.m…
Swift Basics - NSScreencast swift not intended to be replacement of objective-c under NDA repl var x = 30 no semicolon let y = 50 constants var count: Int # count: Int: 0 all variable initialized by default value var letter: Character = "A…
Method Swizzling - NSScreencast Objective-C runtimeでメソッドの実装を置き換える #import <objc/runtime.h> swizzle - がぶ飲みする、かき混ぜ class_getInstanceMethod class_addMethod method_getImplementation method_getTypeEncoding method_exchangeImplementation</objc/runtime.h>…
STHTTPRequest - NSScreencast STHTTPRequestの実装とそのテスト STHTTPRequest light weight network library itunes.apple.com/search api stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding [STHTTPRequest requestWithURLString uploadPr…
Animating with POP - NSScreencast Spring(バネ)の効果をアニメーションに付加する framework pop animation facebook extracted out from Paper POPSpringAnimation anim.springBounciness = 20; anim.springSpeed = 1; POPDecayAnimation anim.decelerati…
Mantle with Core Data Part 2 - NSScreencast 取得したエピソード一覧を画面に表示 titleが更新された時画面が更新されない問題 NSFetchedResultsControllerDelegate didChangeObject atIndexPath forChangeType switch (type) NSFetchedResultsChangeInser…
Mantle with Core Data - NSScreencast NSScreencastsのエピソード情報を取得して一覧 Base - manage SQLite databases MTLManagedObjectAdapter if ([moc save:&saveError]) [self.persistenceController saveContextAndWait:YES completion: MTLManagedObj…
