Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Flutter2でweb appを作る

Avatar for asuka asuka
June 24, 2021
0
42

Flutter2でweb appを作る

2021年のLT資料

Avatar for asuka

asuka

June 24, 2021
Tweet

More Decks by asuka

See All by asuka
2025年ふりかえり
Avatar for asuka askua
1
140
ライブラリを公開してメンテナンスした一年
Avatar for asuka askua
0
73
Wasmの気になる最新情報
Avatar for asuka askua
0
330
Wasmのエコシステムを使った ツール作成方法
Avatar for asuka askua
0
350
Pure Goで体験するWasmの未来
Avatar for asuka askua
1
910
Wasmで社内ツールを作って配布しよう
Avatar for asuka askua
0
270
Wasm元年
Avatar for asuka askua
0
310
wstdなんだか良さそう
Avatar for asuka askua
0
120
Dartでウェブ開発 (やりたい)
Avatar for asuka askua
0
79

Featured

See All Featured
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
Avatar for Eileen M. Uchitelle eileencodes
141
35k
Intergalactic Javascript Robots from Outer Space
Avatar for Vicent Martí tanoku
273
27k
Tell your own story through comics
Avatar for letsgokoyo letsgokoyo
1
840
4 Signs Your Business is Dying
Avatar for Josh Pigford shpigford
187
22k
Navigating the moral maze — ethical principles for Al-driven product design
Avatar for Skipper Chong Warson skipperchong
2
280
The World Runs on Bad Software
Avatar for Brandon Keepers bkeepers
PRO
72
12k
Lessons Learnt from Crawling 1000+ Websites
Avatar for Charles Meaden charlesmeaden
PRO
1
1.1k
Exploring anti-patterns in Rails
Avatar for Elle Meredith aemeredith
2
290
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
Avatar for Sam Stephenson sstephenson
162
16k
ラッコキーワード サービス紹介資料
Avatar for ラッコ株式会社 rakko
1
2.6M
Typedesign – Prime Four
Avatar for Hannes Fritz hannesfritz
42
3k
Docker and Python
Avatar for Tania Allard trallard
47
3.8k

Transcript

  1. Flutter2 Ͱweb appΛ࡞Δ Jun 24 2021 asuka y

  2. Agenda 1. Flutterͱ͸ 2. Web։ൃ 3. ·ͱΊ

  3. Flutterͱ͸

  4. Flutter Flutter͸ɺGoogleʹΑͬͯ։ൃ ͞ΕͨϑϦʔ͔ͭΦʔϓϯιʔε ͷUIͷSDKͰ͋Δɻ୯Ұͷίʔυ ϕʔε͔ΒɺAndroidɺiOSɺ LinuxɺmacOSɺWindowsɺ Google Fuchsia޲͚ͷΫϩεϓ ϥοτϑΥʔϜΞϓϦέʔγϣϯ Λ։ൃ͢ΔͨΊʹར༻͞ΕΔɻ

    by Wikipedia

  5. Flutterͱ͸ by Wikipedia Flutter͸ɺGoogleʹΑͬͯ։ൃ ͞ΕͨϑϦʔ͔ͭΦʔϓϯιʔε ͷUIͷSDKͰ͋Δɻ୯Ұͷίʔυ ϕʔε͔ΒɺAndroidɺiOSɺ LinuxɺmacOSɺWindowsɺ Google Fuchsia޲͚ͷΫϩεϓ

    ϥοτϑΥʔϜΞϓϦέʔγϣϯ Λ։ൃ͢ΔͨΊʹར༻͞ΕΔɻ

  6. Flutterͱ͸ by Wikipedia Flutter͸ɺGoogleʹΑͬͯ։ൃ ͞ΕͨϑϦʔ͔ͭΦʔϓϯιʔε ͷUIͷSDKͰ͋Δɻ୯Ұͷίʔυ ϕʔε͔ΒɺAndroidɺiOSɺ LinuxɺmacOSɺWindowsɺ Google Fuchsia޲͚ͷΫϩεϓ

    ϥοτϑΥʔϜΞϓϦέʔγϣϯ Λ։ൃ͢ΔͨΊʹར༻͞ΕΔɻ Z Z Z Z Z

  7. Flutter Flutter͸ɺGoogleʹΑͬͯ։ൃ ͞ΕͨϑϦʔ͔ͭΦʔϓϯιʔε ͷUIͷSDKͰ͋Δɻ୯Ұͷίʔυ ϕʔε͔ΒɺAndroidɺiOSɺ LinuxɺmacOSɺWindowsɺ Google Fuchsia޲͚ͷΫϩεϓ ϥοτϑΥʔϜΞϓϦέʔγϣϯ Λ։ൃ͢ΔͨΊʹར༻͞ΕΔɻ

    by Wikipedia ϋʔυ΢ΣΞ OS Flutter Τϯδϯ Flutter App (Dart)

  8. Dart Dartݴޠ͸JavaScriptݴޠʹ͋ ΔղܾͰ͖ͳ͍ݴޠ্ͷ໰୊ ఺Λղܾ͠ͳ͓͔ͭɺΑΓ༏ ΕͨύϑΥʔϚϯεΛൃش ͠ɺେن໛ͳϓϩδΣΫτ༻ ్ʹ΋଱͑ಘΔಛ௃Λඋ͑ɺ ηΩϡϦςΟ໘Ͱ΋ΑΓ༏Ε ͨݴޠͱͯ͠ɺઃܭ͞Εͨɻ by

    Wikipedia 2011೥10݄ Dartൃද(Google) 2015೥ Chrome΁ͷ౷߹Λஅ ೦(Google) 2017೥ TypeScriptΛࣾ಺ඪ४ ݴޠʹ(Google) 2018೥2݄ Dart2ϦϦʔε

  9. Dart ίϯύΠϧݴޠͰ΋͋ΓɼεΫϦϓτݴޠͰ΋͋Δ 1. JITίϯύΠϧ(PHPͳͲ) 2. AOTίϯύΠϧ (JavaͳͲ) 3. ωΠςΟϒίϯύΠϧ (CͳͲ)

  10. Dart Dartݴޠ͸JavaScriptݴޠʹ͋ ΔղܾͰ͖ͳ͍ݴޠ্ͷ໰୊ ఺Λղܾ͠ͳ͓͔ͭɺΑΓ༏ ΕͨύϑΥʔϚϯεΛൃش ͠ɺେن໛ͳϓϩδΣΫτ༻ ్ʹ΋଱͑ಘΔಛ௃Λඋ͑ɺ ηΩϡϦςΟ໘Ͱ΋ΑΓ༏Ε ͨݴޠͱͯ͠ɺઃܭ͞Εͨɻ by

    Wikipedia 2011೥10݄ Dartൃද(Google) 2015೥ Chrome΁ͷ౷߹Λஅ ೦(Google) 2017೥ TypeScriptΛࣾ಺ඪ४ ݴޠʹ(Google) 2018೥2݄ Dart2ϦϦʔε

  11. Flutter 1.0 
 2018೥12݄4೔ 2.0 
 2021೥3݄3೔ by Wikipedia 2011೥10݄

    Dartൃද(Google) 2015೥ Chrome΁ͷ౷߹Λஅ ೦(Google) 2017೥ TypeScriptΛࣾ಺ඪ४ ݴޠʹ(Google) 2018೥2݄ Dart2ϦϦʔε 2018೥12݄ FlutterϦϦʔε 2021೥3݄ Dart2.12ϦϦʔε 2021೥3݄ Flutter2ϦϦʔε

  12. Dart2.11 → 2.12 2.12͸࣮࣭Dart3 Sound Null Safetyͷ࣮૷ʹΑΓɼ७ਮͳޙํޓ׵͕ ࣦΘΕͨ // Dart2.11

    void main() { String foo; } // Dart2.12 void main() { String foo; // ίϯύΠϧΤϥʔ } // Dart2.12 void main() { String? foo; }

  13. Dart2.11 → 2.12 2.12͸࣮࣭Dart3 Sound Null Safetyͷ࣮૷ʹΑΓɼ७ਮͳޙํޓ׵͕ ࣦΘΕͨ // Dart2.11

    void main() { String foo; } // Dart2.12 void main() { String foo; // ίϯύΠϧΤϥʔ } // Dart2.12 void main() { String? foo; }

  14. Flutter 1.0 
 2018೥12݄4೔ 2.0 
 2021೥3݄3೔ by Wikipedia 2011೥10݄

    Dartൃද(Google) 2015೥ Chrome΁ͷ౷߹Λஅ ೦(Google) 2017೥ TypeScriptΛࣾ಺ඪ४ ݴޠʹ(Google) 2018೥2݄ Dart2ϦϦʔε 2018೥12݄ FlutterϦϦʔε 2021೥3݄ Dart2.12ϦϦʔε 2021೥3݄ Flutter2ϦϦʔε

  15. Flutter2ͰมΘͬͨ͜ͱ • Linux, Windows, macOS, webͷαϙʔτ͕҆ఆ൛ʹ૊Έ ࠐ·Εͨ

  16. Flutter2ͰมΘͬͨ͜ͱ • Linux, Windows, macOS, webͷαϙʔτ͕҆ఆ൛ʹ૊Έ ࠐ·Εͨ

  17. Flutter2ͰมΘͬͨ͜ͱ • Linux, Windows, macOS, webͷαϙʔτ͕҆ఆ൛ʹ૊Έ ࠐ·Εͨ $ f lutter

    run -d chrome --web-renderer canvaskit

  18. Web։ൃ

  19. Web։ൃ • JS͕DOMπϦʔΛߋ৽ • DOMπϦʔͷ಺༰Λϒ ϥ΢β͕දࣔ ϒϥ΢β DOMπϦʔ … <body>

    <h1>Hello, World</h1> … … JS

  20. Flutter • DOMπϦʔΛߋ৽͠ͳ ͍ • ಠࣗͷϨϯμϦϯάΤ ϯδϯͰඳը for WEB ϒϥ΢β

    ϨϯμϦϯάΤϯδϯ(canvaskit) JS

  21. ϝϦοτ • ϒϥ΢β؀ڥʹࠨӈ͞Εͳ͍ը໘Λ࡞੒Ͱ͖Δ • ը໘ͷදࣔ੾Γସ͕͑଎͍

  22. σϝϦοτ • Webϖʔδͱͯ͠͸༰ྔ͕େ͖͘ͳΓ͕ͪ • จষ৘ใͱͯ͠Ͱ͸ͳ͘ɼը૾৘ใͱͯ͠දࣔ͞ΕΔͷ Ͱɼϒϥ΢βͷݕࡧػೳ͕࢖͑ͳ͍

  23. Flutterͷ࢖͍ॴ WebϖʔδΛ࡞ΔͷͰ͸ͳ͘ɼߴػೳͳWebΞϓϦΛ࡞੒ ͍ͨ͠৔߹ͷબ୒ࢶʹͳΓಘΔ

  24. 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, );

  25. for Web࢖ͬͯΈͯ • Hot reload͕ޮ͔ͣɼશͯHot restartʹͳΔ • جຊUI͸ॆ࣮͍ͯ͠Δ͕ɼը૾ܥͷϥΠϒϥϦͳͲ͸WebʹରԠ͠ ͍ͯͳ͍΋ͷ͕ଟ͍(ແ͚Ε͹࡞Ζ͏) •

    Chromeͷσόοά؀ڥ͸গʑॏͨ͘ײ͡Δ(ؾͷ͍͔ͤ΋) • Canvaskit؀ڥͰ͸೔ຊޠͳͲ͸·ͣTofuʹͳΔ(ճආࡦ͸͋Δ͕ֆ จࣈ͕·ͩ՝୊)

  26. ·ͱΊ

  27. ·ͱΊ • WebϖʔδΛ࡞Γ͍ͨ৔߹ͷબ୒ࢶͱͯ͠͸ऑ͍͔΋? • (WebϖʔδͰ͸ͳ͘)WebΞϓϦΛ࡞Γ͍ͨ৔߹ͷબ୒ࢶ ʹ͸ͳΓಘΔ? • ΞϓϦͷΫϩεϓϥοτϑΥʔϜରԠ(͍ͭͰʹWeb΋ର Ԡ͍ͨ͠)৔߹ͷબ୒ࢶʹ͸ͳΓಘΔ