flutter_picker_plus 1.5.2

Provide flexible parameters to meet various needs with NumberPicker, DateTimePicker, ArrayPicker, and default linkage Picker.

flutter_picker_plus

A powerful and customizable picker widget for Flutter applications. Continuation of the popular flutter_picker package with enhanced features and modern Flutter support.

✨ Features

• 🎯 Multiple Picker Types: Number, DateTime, Array, and custom data pickers
• 🌐 Internationalization: Support for 20+ languages including RTL languages
• 🎨 Highly Customizable: Flexible styling, colors, and layouts
• 🔗 Linkage Support: Create dependent picker columns
• 📱 Multiple Display Modes: Modal, dialog, and embedded pickers
• 🎭 Custom Adapters: Extend functionality with your own data adapters
• 🛡️ Null Safety: Full null safety support
• ⚡ Performance Optimized: Handles large datasets efficiently

🚀 Installation

Add this to your package's pubspec.yaml file:

dependencies:
  flutter_picker_plus: ^1.5.2

🌍 Supported Languages

Arabic • Bengali • Chinese • English • French • German • Greek • Hindi • Indonesian • Italian • Japanese • Korean • Portuguese • Romanian • Russian • Spanish • Turkish • Urdu • Javanese • Vietnamese • Slovenian

Supporting 20+ languages including the most widely spoken languages worldwide.

📖 Quick Start

Basic String Picker

import 'package:flutter_picker_plus/flutter_picker_plus.dart';

void showBasicPicker(BuildContext context) {
  Picker(
    adapter: PickerDataAdapter<String>(
      pickerData: ['Option 1', 'Option 2', 'Option 3']
    ),
    title: const Text('Select an Option'),
    onConfirm: (Picker picker, List<int> value) {
      print('Selected: ${picker.getSelectedValues()}');
    },
  ).showModal(context);
}

Number Picker

void showNumberPicker(BuildContext context) {
  Picker(
    adapter: NumberPickerAdapter(data: [
      const NumberPickerColumn(begin: 0, end: 100, jump: 5),
      const NumberPickerColumn(begin: 0, end: 60),
    ]),
    delimiter: [
      PickerDelimiter(
        child: Container(
          width: 30.0,
          alignment: Alignment.center,
          child: const Text(':'),
        ),
        column: 1,
      ),
    ],
    title: const Text('Select Time'),
    onConfirm: (Picker picker, List<int> value) {
      print('Selected: ${picker.getSelectedValues()}');
    },
  ).showModal(context);
}

Date Time Picker

void showDateTimePicker(BuildContext context) {
  Picker(
    adapter: DateTimePickerAdapter(
      type: PickerDateTimeType.kYMDHM,
      value: DateTime.now(),
      minValue: DateTime(1950),
      maxValue: DateTime(2050),
    ),
    title: const Text('Select Date & Time'),
    onConfirm: (Picker picker, List<int> value) {
      final dateTime = (picker.adapter as DateTimePickerAdapter).value;
      print('Selected: $dateTime');
    },
  ).showModal(context);
}

🎛️ Advanced Usage

Multi-Column Array Picker

void showArrayPicker(BuildContext context) {
  Picker(
    adapter: PickerDataAdapter<String>(
      pickerData: [
        ['Morning', 'Afternoon', 'Evening'],
        ['Coffee', 'Tea', 'Juice'],
        ['Small', 'Medium', 'Large'],
      ],
      isArray: true,
    ),
    title: const Text('Customize Your Order'),
    onConfirm: (Picker picker, List<int> value) {
      print('Selected: ${picker.getSelectedValues()}');
    },
  ).showModal(context);
}

Hierarchical (Linkage) Picker

void showLinkagePicker(BuildContext context) {
  final data = {
    'Fruits': {
      'Citrus': ['Orange', 'Lemon', 'Lime'],
      'Berries': ['Strawberry', 'Blueberry', 'Raspberry'],
    },
    'Vegetables': {
      'Root': ['Carrot', 'Potato', 'Onion'],
      'Leafy': ['Lettuce', 'Spinach', 'Kale'],
    },
  };

  Picker(
    adapter: PickerDataAdapter<String>(pickerData: [data]),
    title: const Text('Select Food Category'),
    onConfirm: (Picker picker, List<int> value) {
      print('Selected: ${picker.getSelectedValues()}');
    },
  ).showModal(context);
}

Custom Styling

void showStyledPicker(BuildContext context) {
  Picker(
    adapter: PickerDataAdapter<String>(
      pickerData: ['Red', 'Green', 'Blue', 'Yellow'],
    ),
    backgroundColor: Colors.grey.shade100,
    headerColor: Colors.blue,
    containerColor: Colors.white,
    textStyle: const TextStyle(color: Colors.black87, fontSize: 18),
    cancelTextStyle: const TextStyle(color: Colors.red),
    confirmTextStyle: const TextStyle(color: Colors.blue),
    itemExtent: 50.0,
    diameterRatio: 2.0,
    title: const Text('Pick a Color'),
    onConfirm: (Picker picker, List<int> value) {
      print('Selected: ${picker.getSelectedValues()}');
    },
  ).showModal(context);
}

🔧 API Reference

Picker Class

Property	Type	Description
adapter	PickerAdapter	Data adapter for the picker
title	Widget?	Title widget displayed at the top
cancelText	String?	Cancel button text (default: localized)
confirmText	String?	Confirm button text (default: localized)
backgroundColor	Color?	Background color of the picker
headerColor	Color?	Header background color
textStyle	TextStyle?	Style for picker items
hideHeader	bool	Hide the header buttons (default: false)
delimiter	List<PickerDelimiter>?	Delimiters between columns

Available Adapters

• PickerDataAdapter: For string/custom data
• NumberPickerAdapter: For numeric ranges
• DateTimePickerAdapter: For date and time selection

Display Methods

• showModal(context): Show as modal bottom sheet
• showDialog(context): Show as dialog
• show(state): Show with custom state (deprecated)
• makePicker(): Return picker widget for embedding

🎨 Customization Options

Localization

The picker automatically adapts to your app's locale. You can also register custom languages:

PickerLocalizations.registerCustomLanguage(
  'custom',
  cancelText: 'Cancel',
  confirmText: 'OK',
  ampm: ['AM', 'PM'],
  months: ['Jan', 'Feb', 'Mar', /* ... */],
);

Custom Item Builder

Picker(
  adapter: adapter,
  itemBuilder: (context, text, child, selected, column, index) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 16.0),
      decoration: BoxDecoration(
        color: selected ? Colors.blue.shade100 : null,
        borderRadius: BorderRadius.circular(8.0),
      ),
      child: child,
    );
  },
  // ... other properties
)

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request. For major changes, please open an issue first to discuss what you would like to change.

📄 License

This project is licensed under the BSD-3-Clause License - see the LICENSE file for details.

🙏 Acknowledgments

This package is a continuation of the original flutter_picker package with additional features and improvements.

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For more examples and detailed documentation, check out the example app.