Picker class

A customizable picker widget for Flutter applications.

The Picker class provides a flexible and customizable way to present selection interfaces to users. It supports multiple columns, various data adapters, and extensive customization options.

Features

• Multiple column support with custom flex ratios
• Various data adapters (arrays, numbers, date/time)
• Extensive styling and theming options
• Multiple presentation modes (modal, dialog, bottom sheet)
• Internationalization support
• Custom item builders and formatting
• Loop scrolling and smooth animations

Basic Usage

final picker = Picker(
  adapter: PickerDataAdapter<String>(
    pickerData: ['Option 1', 'Option 2', 'Option 3'],
  ),
  onConfirm: (picker, selected) {
    print('Selected: ${picker.getSelectedValues()}');
  },
);

picker.showModal<List<int>>(context);

Advanced Usage with Multiple Columns

final picker = Picker(
  adapter: PickerDataAdapter<String>(
    pickerData: [
      {'Fruits': ['Apple', 'Banana', 'Orange']},
      {'Colors': ['Red', 'Green', 'Blue']},
    ],
  ),
  title: Text('Choose Fruit and Color'),
  columnFlex: [2, 1], // First column takes 2/3, second takes 1/3
  onConfirm: (picker, selected) {
    final values = picker.getSelectedValues();
    print('Selected fruit: ${values[0]}, color: ${values[1]}');
  },
);

See also:

• PickerAdapter for different data sources
• PickerDataAdapter for array-based data
• NumberPickerAdapter for numeric ranges
• DateTimePickerAdapter for date and time selection