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flutter_library package
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flutter_library.dart
GetMaterialApp
scaffoldMessengerKey property
scaffoldMessengerKey property
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scaffoldMessengerKey
property
GlobalKey
<
ScaffoldMessengerState
>
?
scaffoldMessengerKey
final
Implementation
final GlobalKey<ScaffoldMessengerState>? scaffoldMessengerKey;
flutter_library package
documentation
flutter_library
GetMaterialApp
scaffoldMessengerKey property
GetMaterialApp class