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
React Nativeで UIコンポーネントをつくる
Search
matuyuji
May 25, 2016
Programming
0
1k
React Nativeで UIコンポーネントをつくる
React NativeのUIコンポーネントをiOSでつくる方法を紹介します
matuyuji
May 25, 2016
Tweet
Share
More Decks by matuyuji
See All by matuyuji
Emacs × Touch Bar
matuyuji
2
1.8k
ARKit + SceneKitでMinesweeperを作ってみた
matuyuji
1
800
Go + QtでiOS アプリ開発
matuyuji
0
400
@_specialized なお話し
matuyuji
0
490
Xcode Souce Code Extensionを使ってみた
matuyuji
0
400
Codebeatを 試してみた
matuyuji
0
780
React Nativeを使ってみた
matuyuji
0
1.4k
SwiftでLens
matuyuji
1
990
SwiftAndoroidを使ってシミュレータでアプリを動かした話
matuyuji
0
640
Other Decks in Programming
See All in Programming
Foundation Modelsを実装日本語学習アプリを作ってみた!
hypebeans
1
120
はじめてのDSPy - 言語モデルを『プロンプト』ではなく『プログラミング』するための仕組み
masahiro_nishimi
3
11k
Webサーバーサイド言語としてのRustについて
kouyuume
1
4k
Range on Rails ―「多重範囲型」という新たな選択肢が、複雑ロジックを劇的にシンプルにしたワケ
rizap_tech
0
6.7k
NIKKEI Tech Talk#38
cipepser
0
120
Vueのバリデーション、結局どれを選べばいい? ― 自作バリデーションの限界と、脱却までの道のり ― / Which Vue Validation Library Should We Really Use? The Limits of Self-Made Validation and How I Finally Moved On
neginasu
2
170
バッチ処理を「状態の記録」から「事実の記録」へ
panda728
PRO
0
180
Claude CodeによるAI駆動開発の実践 〜そこから見えてきたこれからのプログラミング〜
iriikeita
0
320
組込みだけじゃない!TinyGo で始める無料クラウド開発入門
otakakot
2
360
Goで実践するドメイン駆動開発 AIと歩み始めた新規プロダクト開発の現在地
imkaoru
4
880
Devvox Belgium - Agentic AI Patterns
kdubois
1
140
All About Angular's New Signal Forms
manfredsteyer
PRO
0
200
Featured
See All Featured
Building an army of robots
kneath
306
46k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
46
7.7k
What’s in a name? Adding method to the madness
productmarketing
PRO
24
3.7k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4k
Optimising Largest Contentful Paint
csswizardry
37
3.5k
Faster Mobile Websites
deanohume
310
31k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.5k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Writing Fast Ruby
sferik
629
62k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
Transcript
3FBDU/BUJWFͰ 6*ίϯϙʔωϯτΛͭ͘Δ ؔϞόΠϧΞϓϦݚڀձ !NBUVZVKJ
@matuyuji safx-dev.blogspot.jp
typetalk t
ΤϯδχΞ σβΠφʔ ืूத %*:ܦݧෆ ަྲྀձ ژେֶ࣌ܭ
3FBDU/BUJWF
/BUJWF 6*$PNQPOFOU
1BDLBHF.BOBHFS
SOQN rnpm install react-native-linear-gradient <LinearGradient colors={['#abc', 'blue', '#fa1322']} style={{padding: 15,
borderRadius: 80}}> <Text style={{color: ‘#ffffff', backgroundColor: 'transparent'}}> Sample Button </Text> </LinearGradient> import LinearGradient from 'react-native-linear-gradient' OQNJHSOQN
#VJMEJOH $VTUPN$PNQPOFOU
w ์ࣹঢ়άϥσʔγϣϯ w ܘΛࢦఆͰ͖Δ w ৭ΛࢦఆͰ͖Δ
4XJGUͰՄೳͰ͕͢ɺϚΫϩ͕͑Δ0CK$ͷ΄͏ָ͕
3$5@&
[email protected]
%6-& #import “RadialGradientViewManager.h” @implementation RadialGradientViewManager RCT_EXPORT_MODULE() - (UIView *)view {
return [[UIView alloc] init]; } @end
import { requireNativeComponent } from 'react-native'; const NativeRadialGradient = requireNativeComponent('RadialGradientView',
null); <View style={styles.container}> <Text style={styles.welcome}> Welcome to React Native! </Text> <Text style={styles.instructions}> To get started, edit index.ios.js </Text> <Text style={styles.instructions}> Press Cmd+R to reload,{'\n'} Cmd+D or shake for dev menu </Text> <NativeRadialGradient backgroundColor="blue" style={{width: 200, height: 200}} /> </View> ωΠςΟϒͷϚωʔδϟ ΛࣗಈͰݟ͚ͭΔ
$VTUPN7JFX @interface RadialGradientView : UIView @property(nonatomic, assign) CGFloat radius; @end
@implementation RadialGradientView - (void)drawRect:(CGRect)rect { CGFloat colorComponents[] = {1,0,0,1, 0,0,0,1}; CGPoint center = CGPointMake(self.bounds.size.width / 2, self.bounds.size.height / 2); CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB(); CGContextRef context = UIGraphicsGetCurrentContext(); CGGradientRef gradient = CGGradientCreateWithColorComponents(space, colorComponents, nil, 2); CGContextSaveGState(context); CGContextDrawRadialGradient(context, gradient, center, 0.0, center, self.radius, 0); CGContextRestoreGState(context); CGColorSpaceRelease(space); CGGradientRelease(gradient); } @end ී௨ͷ6*ϏϡʔΛॻ͘ ˠࠇͷάϥσʔγϣϯ ܘ
@implementation RadialGradientViewManager RCT_EXPORT_MODULE() - (UIView *)view { return [[RadialGradientView alloc]
init]; } RCT_EXPORT_VIEW_PROPERTY(radius, CGFloat) @end <NativeRadialGradient radius={150} style={{width: 200, height: 200}} /> 7JFXͷϓϩύςΟΛ ΤΫεϙʔτͯ͠Δ
3$5$POWFSU #import "RCTConvert.h" @interface RadialGradientView : UIView @property(nonatomic, assign) CGFloat
radius; @property(nonatomic, retain) NSArray<NSString*>* colors; @end @implementation RadialGradientView - (void)drawRect:(CGRect)rect { CGFloat colorComponents[self.colors.count * 4]; CGFloat* p = colorComponents; NSArray<UIColor*>* cs = [RCTConvert UIColorArray: self.colors]; for (UIColor* c in cs) { CGFloat r, g, b, a; [c getRed:&r green:&g blue:&b alpha:&a]; *(p++) = r; *(p++) = g; *(p++) = b; *(p++) = a; } ɿ RCT_EXPORT_VIEW_PROPERTY(colors, NSArray) ϚωʔδϟͰˣΛՃ
import { processColor } from 'react-native'; class RadialGradient extends Component
{ render() { const { colors, ...otherProps } = this.props; return <NativeRadialGradient {...otherProps} colors={colors.map(processColor)} />; } } <RadialGradient colors={[‘#f00', 'yellow', ‘#0f0']} radius={150} style={{width: 200, height: 200}} /> )5.-ͷ৭Λ͍͍ײ͡ʹ ॲཧͯ͘͠ΕΔϝιου
8SBQVQ
·ͱΊ w SOQNͰطଘίϯϙʔωϯτΛՃͰ͖Δ w ίϯϙʔωϯτࣗ࡞ΘΓͱ؆୯ w ࠷ॳ͔ΒϥΠϒϥϦͱͯ͠࠶ར༻͢ΔؾͳΒ react-native new-library --name
RadialGradient w $PDPB1PETͷͷΛ؆୯ʹ͑Δͷ͔ະௐࠪ ˠ1PETʹ3FBDU/BUJWF͕͋ΔΈ͍͕ͨͩʜ