separated_number_input_formatter 0.0.2

  • Readme
  • Changelog
  • Example
  • Installing
  • new48

separated_number_input_formatter #

A TextInputFormatter that allows the insertion of digits separated by specified separator.
It's very convenient for credit card inputting, price inputting and so on.

CreditCardPrice
credit_cardprice

Usage #

// Import package
import 'package:separated_number_input_formatter/separated_number_input_formatter.dart';

class Example extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return TextField(
      inputFormatters: [
        // Use with digits and separator parameters.
        SeparatedNumberInputFormatter(4, separator: '-'),
      ],
    );
  }
}

If you want to know more this formatter, let's try my example project.

[0.0.2]

  • Update README

[0.0.1]

  • First release

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:separated_number_input_formatter/separated_number_input_formatter.dart';

void main() => runApp(ExampleApp());

class ExampleApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Example App',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const ExamplePage(),
    );
  }
}

class ExamplePage extends StatefulWidget {
  const ExamplePage();

  @override
  _ExamplePageState createState() => _ExamplePageState();
}

class _ExamplePageState extends State<ExamplePage> {
  static const textFieldTitleStyle = TextStyle(
    color: Colors.black,
    fontSize: 12.0,
  );

  int _digits = 4;
  String _separator = '-';

  TextEditingController _textController;
  TextEditingController _digitsController;
  TextEditingController _separatorController;

  @override
  void initState() {
    super.initState();
    _textController = TextEditingController();
    _digitsController = TextEditingController(text: _digits.toString());
    _separatorController = TextEditingController(text: _separator);
  }

  @override
  void dispose() {
    _separatorController.dispose();
    _digitsController.dispose();
    _textController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Example'),
      ),
      body: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 24.0),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            const Text(
              'TextField with the formatter',
              style: textFieldTitleStyle,
            ),
            TextField(
              controller: _textController,
              maxLines: 1,
              keyboardType: TextInputType.number,
              inputFormatters: [
                SeparatedNumberInputFormatter(_digits, separator: _separator),
              ],
            ),
            const SizedBox(height: 24.0),
            Row(
              crossAxisAlignment: CrossAxisAlignment.end,
              children: const [
                Expanded(
                  child: Text(
                    'digits',
                    style: textFieldTitleStyle,
                  ),
                ),
                SizedBox(width: 16.0),
                Expanded(
                  child: Text(
                    'separator',
                    style: textFieldTitleStyle,
                  ),
                ),
              ],
            ),
            Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: _digitsController,
                    maxLines: 1,
                    keyboardType: TextInputType.number,
                    inputFormatters: [
                      WhitelistingTextInputFormatter.digitsOnly,
                    ],
                    onChanged: (digits) {
                      setState(() {
                        _digits = int.parse(digits);
                        _textController.text = '';
                      });
                    },
                  ),
                ),
                const SizedBox(width: 16.0),
                Expanded(
                  child: TextField(
                    controller: _separatorController,
                    maxLines: 1,
                    inputFormatters: [
                      BlacklistingTextInputFormatter(RegExp(r'\d+')),
                    ],
                    onChanged: (separator) {
                      setState(() {
                        if (separator.isNotEmpty) {
                          _separator = separator;
                        }
                        _textController.text = '';
                      });
                    },
                  ),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }
}

Use this package as a library

1. Depend on it

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


dependencies:
  separated_number_input_formatter: ^0.0.2

2. Install it

You can install packages from the command line:

with Flutter:


$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:


import 'package:separated_number_input_formatter/separated_number_input_formatter.dart';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
0
Health:
Code health derived from static analysis. [more]
100
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
90
Overall:
Weighted score of the above. [more]
48
Learn more about scoring.

We analyzed this package on Oct 9, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.5.1
  • pana: 0.12.21
  • Flutter: 1.9.1+hotfix.4

Platforms

Detected platforms: Flutter

References Flutter, and has no conflicting libraries.

Maintenance suggestions

Package is pre-v0.1 release. (-10 points)

While nothing is inherently wrong with versions of 0.0.*, it might mean that the author is still experimenting with the general direction of the API.

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.7
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies
flutter_test