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flutter_drawing_board package
documentation
flutter_drawing_board.dart
DrawingController
painterKey property
painterKey property
dark_mode
light_mode
painterKey
property
GlobalKey
<
State
<
StatefulWidget
>
>
painterKey
getter/setter pair
画板数据Key
Implementation
late GlobalKey painterKey = GlobalKey();
flutter_drawing_board package
documentation
flutter_drawing_board
DrawingController
painterKey property
DrawingController class