2022年版 flutterでbottom sheetを表示する方法 - Qiita

void _showBottomSheetMenu(BuildContext context) { showModalBottomSheet( context: context, shape: const RoundedRectangleBorder( borderRadius: BorderRadius.vertical(top: Radius.circular(25.0)), ), builder: (builder) { return Container( height: 350.0, color: Colors.transparent, child: const Center( child: Text("This is a modal sheet"), ), ); }); }