Picker library Null safety

Classes

DateTimePickerAdapter
NumberPickerAdapter
NumberPickerColumn
Picker
Picker
PickerAdapter<T>
选择器数据适配器
PickerDataAdapter<T>
数据适配器
PickerDateTimeType
Picker DateTime Adapter Type
PickerDelimiter
分隔符
PickerItem<T>
picker data list item
PickerWidget<T>
PickerWidgetState<T>

Typedefs

PickerConfirmBeforeCallback = Future<bool> Function(Picker picker, List<int> selected)
Picker confirm before callback.
PickerConfirmCallback = void Function(Picker picker, List<int> selected)
Picker confirm callback.
PickerItemBuilder = Widget? Function(BuildContext context, String? text, Widget? child, bool selected, int col, int index)
Picker build item, If 'null' is returned, the default build is used
PickerSelectedCallback = void Function(Picker picker, int index, List<int> selected)
Picker selected callback.
PickerValueFormat<T> = String Function(T value)
Picker value format callback.
PickerWidgetBuilder = Widget Function(BuildContext context, Widget pickerWidget)
Picker widget builder