Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
使い勝手のよいCustomViewをつくる
Search
himaratsu
October 27, 2016
Technology
0
630
使い勝手のよいCustomViewをつくる
@IBDesignable & @IBInspectable が使えて、使い勝手のよいCustomViewの作り方をまとめて紹介しました。
iOS_LT #23 で発表した資料です。
himaratsu
October 27, 2016
Tweet
Share
More Decks by himaratsu
See All by himaratsu
小さなチーム 大きな仕事 - 個人開発でAIをフル活用する
himaratsu
0
160
microCMSではじめるAIライティング
himaratsu
0
190
Next.js × microCMSで道の駅サイトを作った話
himaratsu
0
880
PayPayフリマの速度改善
himaratsu
2
360
Goodbye Code Review, Hello Pair Programming
himaratsu
0
190
UICollectionViewでインタラクティブなCellの並び替え
himaratsu
2
10k
Other Decks in Technology
See All in Technology
KAGのLT会 #8 - 東京リージョンでGAしたAmazon Q in QuickSightを使って、報告用の資料を作ってみた
0air
0
210
GopherCon Tour 概略
logica0419
2
190
成長自己責任時代のあるきかた/How to navigate the era of personal responsibility for growth
kwappa
3
280
生成AIを活用したZennの取り組み事例
ryosukeigarashi
0
210
o11yで育てる、強い内製開発組織
_awache
3
120
Modern_Data_Stack最新動向クイズ_買収_AI_激動の2025年_.pdf
sagara
0
220
[2025-09-30] Databricks Genie を利用した分析基盤とデータモデリングの IVRy の現在地
wxyzzz
0
480
後進育成のしくじり〜任せるスキルとリーダーシップの両立〜
matsu0228
7
2.5k
GA technologiesでのAI-Readyの取り組み@DataOps Night
yuto16
0
270
「Verify with Wallet API」を アプリに導入するために
hinakko
1
240
空間を設計する力を考える / 20251004 Naoki Takahashi
shift_evolve
PRO
3
360
extension 現場で使えるXcodeショートカット一覧
ktombow
0
210
Featured
See All Featured
What's in a price? How to price your products and services
michaelherold
246
12k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
358
30k
Site-Speed That Sticks
csswizardry
11
880
Automating Front-end Workflow
addyosmani
1371
200k
Code Reviewing Like a Champion
maltzj
525
40k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
12
1.2k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
32
2.2k
Making Projects Easy
brettharned
119
6.4k
Typedesign – Prime Four
hannesfritz
42
2.8k
It's Worth the Effort
3n
187
28k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
Bash Introduction
62gerente
615
210k
Transcript
͍উखͷΑ͍ CustomViewΛͭ͘Δ @himara2 / iOS_LT
CustomView? ։ൃ͍ͯ͠ΔͱɺطଘͷUIViewΛ֦ுͨ͠ಠࣗͷΫϥεΛ࡞Γͨ͘ͳΔ
͍উखͷΑ͍CustomView?
- Storyboard / xib Ͱ͑Δ ͍উखͷΑ͍CustomView?
- Storyboard / xib Ͱ͑Δ ͍উखͷΑ͍CustomView? - ιʔείʔυ͔Β͑Δ let customView
= MyCustomView(frame: CGRect(x: 50, y: 100, width: 270, height: 200)) customView.titleLabel.text = "Hello!" view.addSubview(customView) ͜Μͳײ͡ͰॳظԽͯ͑͠Δ
- Storyboard / xib Ͱ͑Δ ͍উखͷΑ͍CustomView? - ιʔείʔυ͔Β͑Δ - @IBDesignable
& @IBInspectable ʹରԠ
- Storyboard / xib Ͱ͑Δ ͍উखͷΑ͍CustomView? - ιʔείʔυ͔Β͑Δ - @IBDesignable
& @IBInspectable ʹରԠ - ৭ʑͳը໘͔Β͍͍͢
- Storyboard / xib Ͱ͑Δ ͍উखͷΑ͍CustomView? - ιʔείʔυ͔Β͑Δ - @IBDesignable
& @IBInspectable ʹରԠ - ৭ʑͳը໘͔Β͍͍͢ → ͻͱඞཁͳͷͰɺखॱΛ·ͱΊ·ͨ͠
Step.1 UIViewΛܧঝͨ͠ΫϥεΛ࡞ͯ͠ɺ xibϑΝΠϧʹίϯϙʔωϯτΛฒΔ
Step.2 xibͷʮFile’s Ownerʯͷ߲ʹɺ ࣗͰͭͬͨ͘ΫϥεΛͯΔ ※ʮViewʯʹͯͳ͍ͷ͕ϙΠϯτ
Step.3 ॳظԽͷίʔυΛॻ͘ override init(frame: CGRect) { super.init(frame: frame) commonInit() }
required init?(coder aDecoder: NSCoder) { super.init(coder: aDecoder) commonInit() } private func commonInit() { let nib = UINib(nibName: "MyCustomView", bundle: nil) let view = nib.instantiate(withOwner: self, options: nil).first as! UIView addSubview(view) view.translatesAutoresizingMaskIntoConstraints = false let bindings = ["view": view] addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|[view]|", options:NSLayoutFormatOptions(rawValue: 0), metrics:nil, views: bindings)) addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|[view]|", options:NSLayoutFormatOptions(rawValue: 0), metrics:nil, views: bindings)) }
Step.3 override init(frame: CGRect) { super.init(frame: frame) commonInit() } required
init?(coder aDecoder: NSCoder) { super.init(coder: aDecoder) commonInit() } private func commonInit() { let nib = UINib(nibName: "MyCustomView", bundle: nil) let view = nib.instantiate(withOwner: self, options: nil).first as! UIView addSubview(view) view.translatesAutoresizingMaskIntoConstraints = false let bindings = ["view": view] addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|[view]|", options:NSLayoutFormatOptions(rawValue: 0), metrics:nil, views: bindings)) addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|[view]|", options:NSLayoutFormatOptions(rawValue: 0), metrics:nil, views: bindings)) } ॳظԽͷίʔυΛॻ͘ ίʔυ͔ΒCustomViewΛ ॳظԽͨ͠ͱ͖ݺΕΔ Storyboard/xib͔ΒCustomViewΛ ॳظԽͨ͠ͱ͖ݺΕΔ viewͷॳظԽॲཧ
Step.4 @IBDesignable, @IBInspectable ͷଐੑΛઃఆ @IBDesignable class MyCustomView: UIView { …
} @IBInspectable var titleText: String = "" { didSet { titleLabel.text = titleText } } @IBInspectable var iconImage: UIImage? { didSet { iconImageView.image = iconImage } }
!
tips ຖճviewͷॳظԽ·ΘΓͷίʔυΛॻ͘ͷπϥΠͷͰɺProtocolΛ༻ҙ͢Δͱྑ͍ protocol XibInstantiatable { func instantiate() } extension XibInstantiatable
where Self: UIView { func instantiate() { let bundle = Bundle(for: type(of: self)) let nib = UINib(nibName: String(describing: type(of: self)), bundle: bundle) guard let view = nib.instantiate(withOwner: self, options: nil).first as? UIView else { return } addSubview(view) view.translatesAutoresizingMaskIntoConstraints = false let bindings = ["view": view] addConstraints(NSLayoutConstraint.constraints(withVisualFormat: “H:|[view]|", … addConstraints(NSLayoutConstraint.constraints(withVisualFormat: “V:|[view]|", … } } override init(frame: CGRect) { super.init(frame: frame) instantiate() } required init?(coder aDecoder: NSCoder) { super.init(coder: aDecoder) instantiate() } CustomViewଆ͔Β ͜Μͳײ͡Ͱ͏
NibDesignable ͱ͍͏ OSS ͱ͋Θͤͯ͏ͱศརʢΒ͍͠ʣ tips - Swift 3Ͱ͏·͘ϏϧυͰ͖ͣɺ·ͩࢼͤͯͳ͍ - ઌ΄ͲͷExtensionΛݞΘΓͯ͘͠ΕΔΑ͏ͳͷ
IUUQTHJUIVCDPNNCPHI/JC%FTJHOBCMF
ຊ͓ݟͤͨ͠αϯϓϧίʔυ ɹ- https://github.com/himaratsu/CustomViewSample ɹ- ࠓͷLTΛ͖͔͚ͬʹSwift 3ରԠ͠·ͨ͠✌ ੲॻ͍ͨϒϩά ɹ- http://himaratsu.hatenablog.com/entry/ios/customview ɹ-
ࠓͷΑΓ͏ͪΐͬͱৄ͘͠ॻ͍ͯ·͢ ͦͷଞ
͓ΘΓ