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並前往https://www.acodeblog.com/post/2022/5/29/flutter-showdialog-without-context-using-the-navigatorkey

Flutter showDialog without context using the navigatorKey

When trying to show a dialog box with flutter, it is required to specify ... its current state becomes accessible from any part of the code.

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查詢 「Flutter currentState」的人也找了：

  1. Flutter GlobalKey
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  3. Flutter GlobalKey context
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  4. Flutter State class
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  5. Flutter key
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  6. Flutter get current state from widget
    7.
  7. Flutter Form
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  8. Flutter Navigator
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