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
39

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
Wasmの気になる最新情報
Avatar for asuka askua
0
180
Wasmのエコシステムを使った ツール作成方法
Avatar for asuka askua
0
250
Pure Goで体験するWasmの未来
Avatar for asuka askua
1
210
Wasmで社内ツールを作って配布しよう
Avatar for asuka askua
0
220
Wasm元年
Avatar for asuka askua
0
240
wstdなんだか良さそう
Avatar for asuka askua
0
80
Dartでウェブ開発 (やりたい)
Avatar for asuka askua
0
62
Denoでパッケージを作りJSRに公開する
Avatar for asuka askua
0
50
WASI 0.2のinit処理
Avatar for asuka askua
1
140

Featured

See All Featured
Sharpening the Axe: The Primacy of Toolmaking
Avatar for Bryan Cantrill bcantrill
46
2.5k
Producing Creativity
Avatar for Steve Smith orderedlist
PRO
347
40k
Building an army of robots
Avatar for Kyle Neath kneath
306
46k
What's in a price? How to price your products and services
Avatar for Michael Herold michaelherold
246
12k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
Avatar for Vitaly Friedman smashingmag
253
22k
Building a Modern Day 
E-commerce SEO Strategy
Avatar for Aleyda Solis aleyda
44
7.8k
The Web Performance Landscape in 2024 [PerfNow 2024]
Avatar for Tammy Everts tammyeverts
10
880
How to Ace a Technical Interview
Avatar for Jacob Kaplan-Moss jacobian
280
24k
It's Worth the Effort
Avatar for 3n 3n
187
28k
Designing for Performance
Avatar for Lara Hogan lara
610
69k
Keith and Marios Guide to Fast Websites
Avatar for Keith Pitt keithpitt
411
23k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
Avatar for Chris Coyier chriscoyier
508
140k

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