Flutter Overview - AppDojo June 2018

AppDojoの資料です。

App Dojo June 2018 - トップ
https://events.withgoogle.com/app-dojo-june-2018/

Transcript

1. Flutter Overview Rui Kowase @rkowase 2018/06/26 AppDojo June 2018
2. Profile • Name: Rui Kowase / 小和瀬 塁 • Account: @rkowase Skill: Flutter, Android, etc...
3. Flutter Meetup Tokyo https://flutter-jp.connpass.com/event/90790/
4. What’s Flutter
5. What’s Flutter Flutter makes it easy and fast to build beautiful mobile apps. https://github.com/flutter/flutter
6. Dart 2 • A client-optimized language • Rich & powerful frameworks • Delightful & flexible tooling https://www.dartlang.org/
7. What’s New in Release Preview 1 https://medium.com/flutter-io/flutter-release-preview-1-943a9b6ee65a • Fundamentals ◦ Material Design Widget ◦ Dart 2 • Ecosystem ◦ Firebase ◦ AdMob • Tooling ◦ Android Studio ◦ IntelliJ IDE ◦ VS Code
8. GitHub stars https://medium.com/flutter-io/flutter-release-preview-1-943a9b6ee65a
9. Flutter events happening around the world https://medium.com/flutter-io/flutter-release-preview-1-943a9b6ee65a
10. Expressive, beautiful UIs https://flutter.io/
12. Feature • Build beautiful native apps in record time • Fast development • Expressive, beautiful UIs • Modern, reactive framework • Access native features and SDKs • Unified app development https://flutter.io/
13. Flutter System Architecture https://docs.google.com/presentation/d/1cw7A4HbvM_Abv320rVgPVGiUP2msVs7tfGbkgdrTy0I/edit
14. Question
15. Question Are you • Web dev? • Android dev? • iOS dev? • React Native dev? 15
16. Flutter Documentation 16 https://flutter.io/docs/
17. Flutter Documentation 17 https://flutter.io/docs/ Flutter for Web devs Flutter for Android devs Flutter for iOS devs Flutter for React Native devs
18. Dev Flow
19. Develop & Release flow 19 Develop Build Release Setup
20. Develop & Release flow 20 Develop Build Release Setup
21. Dart 2 21 https://www.dartlang.org/dart-2
22. Dart 2 in Flutter 22 https://github.com/flutter/flutter/wiki/Trying-the-preview-of-Dart-2-in-Flutter
23. Dart 1 to Dart 2 23 Container( padding: EdgeInsets.all(16.0), child: Text("Flutter") ), Dart 1 new Container( padding: const EdgeInsets.all(16.0), child: new Text("Flutter") ), Dart 2
24. Develop & Release flow 24 Develop Build Release Setup
25. Build production app for Android - Step1 (Create key.properties) 25 storePassword=<password from previous step> keyPassword=<password from previous step> keyAlias=key storeFile=<location of the key store file, e.g. /Users/<username>/key.jks>
26. Build production app for Android - Step2 (Edit build.gradle) 26 +def keystorePropertiesFile = rootProject.file("key.properties") +def keystoreProperties = new Properties() +keystoreProperties.load(new FileInputStream(keystorePropertiesFile)) android {
27. Build production app for Android - Step3 (Edit build.gradle) 27 +signingConfigs { + release { + keyAlias keystoreProperties['keyAlias'] + keyPassword keystoreProperties['keyPassword'] + storeFile file(keystoreProperties['storeFile']) + storePassword keystoreProperties['storePassword'] + } +} +buildTypes { + release { + signingConfig signingConfigs.release + } +}
28. Build production app for Android - Step4 (flutter build apk) 28 $ flutter build apk Initializing gradle... 1.0s Resolving dependencies... 8.1s Running 'gradlew assembleRelease'... Skipping AOT snapshot build. Fingerprint match. Built build/app/outputs/apk/release/app-release.apk (9.2MB).
29. Google I/O 2018
30. Google I/O sessions 2 Sessions 6 Sessions x3 https://events.google.com/io/schedule/?section=may-8&topic=flutter&type=sessions
31. Flutter sessions • Flutter & Design ◦ Customize Material Components for your product ◦ Build great Material Design products across platforms ◦ Code beautiful UI with Flutter and Material Design • Flutter & Firebase ◦ Total mobile development made fun with Flutter and Firebase ◦ Add Firebase to your cross-platform React Native or Flutter app • Flutter ◦ Build reactive mobile apps with Flutter https://events.google.com/io/schedule/?section=may-8&topic=flutter&type=sessions
32. Material Design (io18)
33. Material Design Roadmap https://github.com/material-compone nts/material-components/blob/develo p/ROADMAP.md
34. Material Components Support (May 2018) Android (1.0.0-alpha1) iOS (55.0.2) Web (0.35.1) Flutter (Beta 3) Color theme components 8 / 16 12 / 16 9 / 16 16 / 16 Type theme components 7 / 10 9 / 10 5 / 10 10 / 10 Expanded set of components 1 / 3 2 / 3 0 / 3 3 / 3 Shape parameter 0 / 2 2 / 2 2 / 2 2 / 2 https://github.com/material-components/material-components/blob/develop/ROADMAP.md
35. Material Design Flutter
36. Firebase (io18)
37. Firebasde Integration https://www.youtube.com/watch?v=8wQ_MorYCEk
38. Available FlutterFire plugins https://github.com/flutter/plugins/blob/master/FlutterFire.md
39. How to integrate 1. Signed up for a Firebase account 2. Create a Firebase project 3. Platform-specific Firebase configuration ◦ Configure iOS ◦ Configure Android
40. Configure Flutter Plugin for iOS
41. Configure Flutter Plugin for Android
42. Getting started with Firebase and Flutter https://firebase.google.com/docs/flutter/setup
43. Flutter (io18)
44. Handling state • Flutter & state - setState() • State & widget tree - InheritedWidget() • Reactive with streams - BLoC & Stream https://www.youtube.com/watch?v=RS36gBEp8OI
45. Flutter & state - setState https://www.youtube.com/watch?v=RS36gBEp8OI
46. Pros/Cons - setState() • Access state ❌ • Updating on change ❌
47. State & widget tree - InheritedWidget https://www.youtube.com/watch?v=RS36gBEp8OI
48. Pros/Cons - InheritedWidget • Access state ✅ • Notify other widgets ✅ • Mutating state ❌
49. Sample App - Shopping Cart https://www.youtube.com/watch?v=RS36gBEp8OI
50. ScopedModel • External Package • Build on InheritedWidget • Access, Update & Mutate https://pub.dartlang.org/ packages/scoped_model
51. Pros/Cons - ScopedModel • Access state ✅ • Notify other widgets ✅ • Minimal rebuild ❌
52. RxDart & StreamBuilder https://www.youtube.com/watch?v=RS36gBEp8OI
53. Reactive with streams - BLoC & Stream https://www.youtube.com/watch?v=RS36gBEp8OI
54. Pros/Cons - BLoC & Stream • Access state ✅ • Updating on change ✅ • Mutating state ✅
55. Summary • Material Design Flutter • Firebase Flutter • Reactive Framework ⚡
56. Appendix (io18)
57. Appendix - Flutter Showcase https://flutter.io/showcase/
58. Appendix - Flutter Hot Reload Game
59. Appendix
60. 事前にいただいた質問 今はまだβ版ですが、あとどのような機能が追加さ れると、FIXと呼べると思いますでしょうか。個人的 な主観で構いませんので、お話いただけると参考 になります。
61. SpeakerDeck https://speakerdeck.com/rkowase
62. Appendix - Build reactive mobile apps with Flutter (Google I/O '18) メモ - Qiita https://qiita.com/rkowase/items/23ee4264d54e7890d919
63. Appendix - Google I/O 2018で聞いたFlutter関連の質問 - Qiita https://qiita.com/rkowase/items/43ecf5bb5bf9a4eac61f
64. Flutter Meetup Tokyo https://flutter-jp.connpass.com/event/90790/
65. Thank you