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
Flutter2でweb appを作る
Search
asuka
June 24, 2021
46
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Flutter2でweb appを作る
2021年のLT資料
asuka
June 24, 2021
More Decks by asuka
See All by asuka
GoとSIMDとWasmの今。
askua
3
560
2025年ふりかえり
askua
1
240
ライブラリを公開してメンテナンスした一年
askua
0
100
Wasmの気になる最新情報
askua
1
390
Wasmのエコシステムを使った ツール作成方法
askua
0
410
Pure Goで体験するWasmの未来
askua
1
1.1k
Wasmで社内ツールを作って配布しよう
askua
0
320
Wasm元年
askua
0
380
wstdなんだか良さそう
askua
0
140
Featured
See All Featured
How To Speak Unicorn (iThemes Webinar)
marktimemedia
1
510
Public Speaking Without Barfing On Your Shoes - THAT 2023
reverentgeek
1
460
Ruling the World: When Life Gets Gamed
codingconduct
0
280
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.8k
Exploring the relationship between traditional SERPs and Gen AI search
raygrieselhuber
PRO
2
4.1k
Skip the Path - Find Your Career Trail
mkilby
1
170
Groundhog Day: Seeking Process in Gaming for Health
codingconduct
0
240
The Illustrated Children's Guide to Kubernetes
chrisshort
51
53k
Leadership Guide Workshop - DevTernity 2021
reverentgeek
1
320
Art, The Web, and Tiny UX
lynnandtonic
304
22k
Statistics for Hackers
jakevdp
799
230k
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.3k
Transcript
Flutter2 Ͱweb appΛ࡞Δ Jun 24 2021 asuka y
Agenda 1. Flutterͱ 2. Web։ൃ 3. ·ͱΊ
Flutterͱ
Flutter FlutterɺGoogleʹΑͬͯ։ൃ ͞ΕͨϑϦʔ͔ͭΦʔϓϯιʔε ͷUIͷSDKͰ͋Δɻ୯Ұͷίʔυ ϕʔε͔ΒɺAndroidɺiOSɺ LinuxɺmacOSɺWindowsɺ Google Fuchsia͚ͷΫϩεϓ ϥοτϑΥʔϜΞϓϦέʔγϣϯ Λ։ൃ͢ΔͨΊʹར༻͞ΕΔɻ
by Wikipedia
Flutterͱ by Wikipedia FlutterɺGoogleʹΑͬͯ։ൃ ͞ΕͨϑϦʔ͔ͭΦʔϓϯιʔε ͷUIͷSDKͰ͋Δɻ୯Ұͷίʔυ ϕʔε͔ΒɺAndroidɺiOSɺ LinuxɺmacOSɺWindowsɺ Google Fuchsia͚ͷΫϩεϓ
ϥοτϑΥʔϜΞϓϦέʔγϣϯ Λ։ൃ͢ΔͨΊʹར༻͞ΕΔɻ
Flutterͱ by Wikipedia FlutterɺGoogleʹΑͬͯ։ൃ ͞ΕͨϑϦʔ͔ͭΦʔϓϯιʔε ͷUIͷSDKͰ͋Δɻ୯Ұͷίʔυ ϕʔε͔ΒɺAndroidɺiOSɺ LinuxɺmacOSɺWindowsɺ Google Fuchsia͚ͷΫϩεϓ
ϥοτϑΥʔϜΞϓϦέʔγϣϯ Λ։ൃ͢ΔͨΊʹར༻͞ΕΔɻ Z Z Z Z Z
Flutter FlutterɺGoogleʹΑͬͯ։ൃ ͞ΕͨϑϦʔ͔ͭΦʔϓϯιʔε ͷUIͷSDKͰ͋Δɻ୯Ұͷίʔυ ϕʔε͔ΒɺAndroidɺiOSɺ LinuxɺmacOSɺWindowsɺ Google Fuchsia͚ͷΫϩεϓ ϥοτϑΥʔϜΞϓϦέʔγϣϯ Λ։ൃ͢ΔͨΊʹར༻͞ΕΔɻ
by Wikipedia ϋʔυΣΞ OS Flutter Τϯδϯ Flutter App (Dart)
Dart DartݴޠJavaScriptݴޠʹ͋ ΔղܾͰ͖ͳ͍ݴޠ্ͷ Λղܾ͠ͳ͓͔ͭɺΑΓ༏ ΕͨύϑΥʔϚϯεΛൃش ͠ɺେنͳϓϩδΣΫτ༻ ్ʹ͑ಘΔಛΛඋ͑ɺ ηΩϡϦςΟ໘ͰΑΓ༏Ε ͨݴޠͱͯ͠ɺઃܭ͞Εͨɻ by
Wikipedia 201110݄ Dartൃද(Google) 2015 Chromeͷ౷߹Λஅ ೦(Google) 2017 TypeScriptΛࣾඪ४ ݴޠʹ(Google) 20182݄ Dart2ϦϦʔε
Dart ίϯύΠϧݴޠͰ͋ΓɼεΫϦϓτݴޠͰ͋Δ 1. JITίϯύΠϧ(PHPͳͲ) 2. AOTίϯύΠϧ (JavaͳͲ) 3. ωΠςΟϒίϯύΠϧ (CͳͲ)
Dart DartݴޠJavaScriptݴޠʹ͋ ΔղܾͰ͖ͳ͍ݴޠ্ͷ Λղܾ͠ͳ͓͔ͭɺΑΓ༏ ΕͨύϑΥʔϚϯεΛൃش ͠ɺେنͳϓϩδΣΫτ༻ ్ʹ͑ಘΔಛΛඋ͑ɺ ηΩϡϦςΟ໘ͰΑΓ༏Ε ͨݴޠͱͯ͠ɺઃܭ͞Εͨɻ by
Wikipedia 201110݄ Dartൃද(Google) 2015 Chromeͷ౷߹Λஅ ೦(Google) 2017 TypeScriptΛࣾඪ४ ݴޠʹ(Google) 20182݄ Dart2ϦϦʔε
Flutter 1.0 201812݄4 2.0 20213݄3 by Wikipedia 201110݄
Dartൃද(Google) 2015 Chromeͷ౷߹Λஅ ೦(Google) 2017 TypeScriptΛࣾඪ४ ݴޠʹ(Google) 20182݄ Dart2ϦϦʔε 201812݄ FlutterϦϦʔε 20213݄ Dart2.12ϦϦʔε 20213݄ Flutter2ϦϦʔε
Dart2.11 → 2.12 2.12࣮࣭Dart3 Sound Null Safetyͷ࣮ʹΑΓɼ७ਮͳޙํޓ͕ ࣦΘΕͨ // Dart2.11
void main() { String foo; } // Dart2.12 void main() { String foo; // ίϯύΠϧΤϥʔ } // Dart2.12 void main() { String? foo; }
Dart2.11 → 2.12 2.12࣮࣭Dart3 Sound Null Safetyͷ࣮ʹΑΓɼ७ਮͳޙํޓ͕ ࣦΘΕͨ // Dart2.11
void main() { String foo; } // Dart2.12 void main() { String foo; // ίϯύΠϧΤϥʔ } // Dart2.12 void main() { String? foo; }
Flutter 1.0 201812݄4 2.0 20213݄3 by Wikipedia 201110݄
Dartൃද(Google) 2015 Chromeͷ౷߹Λஅ ೦(Google) 2017 TypeScriptΛࣾඪ४ ݴޠʹ(Google) 20182݄ Dart2ϦϦʔε 201812݄ FlutterϦϦʔε 20213݄ Dart2.12ϦϦʔε 20213݄ Flutter2ϦϦʔε
Flutter2ͰมΘͬͨ͜ͱ • Linux, Windows, macOS, webͷαϙʔτ͕҆ఆ൛ʹΈ ࠐ·Εͨ
Flutter2ͰมΘͬͨ͜ͱ • Linux, Windows, macOS, webͷαϙʔτ͕҆ఆ൛ʹΈ ࠐ·Εͨ
Flutter2ͰมΘͬͨ͜ͱ • Linux, Windows, macOS, webͷαϙʔτ͕҆ఆ൛ʹΈ ࠐ·Εͨ $ f lutter
run -d chrome --web-renderer canvaskit
Web։ൃ
Web։ൃ • JS͕DOMπϦʔΛߋ৽ • DOMπϦʔͷ༰Λϒ ϥβ͕දࣔ ϒϥβ DOMπϦʔ … <body>
<h1>Hello, World</h1> … … JS
Flutter • DOMπϦʔΛߋ৽͠ͳ ͍ • ಠࣗͷϨϯμϦϯάΤ ϯδϯͰඳը for WEB ϒϥβ
ϨϯμϦϯάΤϯδϯ(canvaskit) JS
ϝϦοτ • ϒϥβڥʹࠨӈ͞Εͳ͍ը໘Λ࡞Ͱ͖Δ • ը໘ͷදࣔΓସ͕͍͑
σϝϦοτ • Webϖʔδͱͯ͠༰ྔ͕େ͖͘ͳΓ͕ͪ • จষใͱͯ͠Ͱͳ͘ɼը૾ใͱͯ͠දࣔ͞ΕΔͷ Ͱɼϒϥβͷݕࡧػೳ͕͑ͳ͍
Flutterͷ͍ॴ WebϖʔδΛ࡞ΔͷͰͳ͘ɼߴػೳͳWebΞϓϦΛ࡞ ͍ͨ͠߹ͷબࢶʹͳΓಘΔ
LicenseRegistry class LicenseRegistry.addLicense(() async* { f inal license = await
rootBundle.loadString('fonts/OFL.txt'); yield LicenseEntryWithLineBreaks( ['Noto Sans JP'], license, ); }); showAboutDialog( context: context, applicationName: name, applicationVersion: version, applicationLegalese: description, );
for WebͬͯΈͯ • Hot reload͕ޮ͔ͣɼશͯHot restartʹͳΔ • جຊUIॆ࣮͍ͯ͠Δ͕ɼը૾ܥͷϥΠϒϥϦͳͲWebʹରԠ͠ ͍ͯͳ͍ͷ͕ଟ͍(ແ͚Ε࡞Ζ͏) •
Chromeͷσόοάڥগʑॏͨ͘ײ͡Δ(ؾͷ͍͔ͤ) • CanvaskitڥͰຊޠͳͲ·ͣTofuʹͳΔ(ճආࡦ͋Δ͕ֆ จࣈ͕·ͩ՝)
·ͱΊ
·ͱΊ • WebϖʔδΛ࡞Γ͍ͨ߹ͷબࢶͱͯ͠ऑ͍͔? • (WebϖʔδͰͳ͘)WebΞϓϦΛ࡞Γ͍ͨ߹ͷબࢶ ʹͳΓಘΔ? • ΞϓϦͷΫϩεϓϥοτϑΥʔϜରԠ(͍ͭͰʹWebର Ԡ͍ͨ͠)߹ͷબࢶʹͳΓಘΔ