Appendix. 参考文献等
Accessibility - Flutter
https://flutter.dev/docs/development/accessibility-and-localization/accessibility
semantics library - Dart API
https://api.flutter.dev/flutter/semantics/semantics-library.html
Accessibility on Flutter - Carlos Macías Martín - Medium
https://medium.com/@c4rlosmm96/accessibility-on-flutter-908a2f003013
A deep dive into Flutter’s accessibility widgets - Flutter Community - Medium
https://medium.com/flutter-community/a-deep-dive-into-flutters-accessibility-widgets-eb0ef9455bc
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Appendix. 参考文献等
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Google Devs Japanのツイート
https://twitter.com/googledevjp/status/116733931
9276605440
Semantics (Flutter Widget of the Week)
https://youtu.be/NvtMt_DtFrQ
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Appendix. 音声読み上げ機能のON/OFF確認
accessibility - How to check whether screen reader is on using Flutter - Stack Overflow
https://stackoverflow.com/questions/54224069/how-to-check-whether-screen-reader-is-on-using-flutter
MediaQuery.of(context).accessibleNavigation で判断できる
(trueのとき、音声読み上げ機能がONになっている)
Visibility(
child: Placeholder(),
visible: MediaQuery.of(context).accessibleNavigation,
)
音声読み上げ機能がONの場合、
Placeholder widgetを表示させない
という実装例
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