What's new in flutter and dart in 2020
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The document presents an overview of new features and improvements in Flutter and Dart, highlighting significant updates from versions 1.17 to 1.22. Key enhancements include performance boosts, new material widgets, mobile OS support, and various developer tools such as size analysis tools and improved dev environment integrations. Additionally, it mentions Google's adoption of Flutter for its global product development initiatives.
What's new in flutter and dart in 2020
- 1. Ahmed Abu Eldahab GDE Flutter & Dart @dahabdev What's new in Flutter and Dart
- 2. Ahmed Abu Eldahab Google Developer Expert in Flutter & Dart Senior Technical Consultant Kortobaa LLC CTO /Dahabdev
- 4. Flutter is Google’s UI toolkit for building beautiful, natively compiled applications for mobile, web, and desktop from a single codebase
- 7. https://github.com/flutter/flutter/wiki/Flutter-build-release-channels New Release Process - Flutter and Dart release processes and channels are now aligned - Non-stable release versions will be annotated with .pre - once a quarter, beta will be pushed to stable channel Flutter 1.17
- 8. Performance Improvement - 20%-37% speedup for the default navigation - a 70% memory reduction in fast scrolling through large images, - App size improvement https://github.com/flutter/flutter/wiki/Metal-on-iOS-FAQ Flutter 1.17
- 9. Metal support on iOS - From iOS 12 Metal is the recommended API - Flutter Metal support improves performance by 50% on iOS - When Metal cannot be used, OpenGL will be used instead https://github.com/flutter/flutter/wiki/Metal-on-iOS-FAQ Flutter 1.17
- 10. Dart 2.8 - Flutter create decreased from 6.5 seconds in Flutter 1.12 to 2.5 seconds in Flutter 1.17. - Managing dependencies with Flutter pub outdated https://medium.com/dartlang/announcing-dart-2-8-7750918db0a Flutter 1.17
- 11. New Material widgets https://medium.com/flutter/announcing-flutter-1-17-4182d8af7f8e Flutter 1.17 Navigation Rail DatePicker
- 13. Modernizing Flutter Text Theming https://material.io/design/typography/the-type-system.html#type-scale Flutter 1.17
- 14. Google Fonts for Flutter https://pub.dev/packages/google_fonts Flutter 1.17
- 17. Dev Tools in VS Code Flutter 1.20 https://dartcode.org/releases/
- 18. Auto Import - VS Code Flutter 1.20 https://dartcode.org/releases/
- 20. Mouse Cursor Support Flutter 1.20
- 21. New visual appeals Slider - RangeSlider - DatePicker - TimePicker Flutter 1.20
- 22. Interactive Viewer - drag n’ drop widgets Flutter 1.20
- 24. Performance improvement Icon & fonts tree shaking Flutter 1.20
- 26. Flutter 1.22 Android 11 better animation
- 27. Flutter 1.22 Android notches support
- 29. Flutter 1.22 Google Maps and WebView plugins ready for production
- 30. Flutter 1.22 Expanding the Button “universe”
- 35. Flutter 1.22
- 36. Flutter 1.22 App size analysis tool --analyze-size - flutter build apk - flutter build appbundle - flutter build ios - flutter build linux - flutter build macos - flutter build windows
- 37. Flutter 1.22 App size analysis tool
- 38. Flutter 1.22 App size analysis tool
- 39. Google Pay picks Flutter to drive its global product development
- 40. Google Pay picks Flutter to drive its global product development now available in open beta in India and Singapore
- 41. Google Pay picks Flutter to drive its global product development now available in open beta in India and Singapore
- 44. Thanks
- 47. Ahmed Abu Eldahab Google Developer Expert in Flutter & Dart Senior Technical Consultant Kortobaa LLC CTO /Dahabdev