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SpinBox is a numeric input widget with an input field for entering a specific value, and spin buttons for quick, convenient, and accurate value adjustments.

SpinBox for Flutter #

SpinBox for Flutter is a numeric input widget with an input field for entering a specific value, and spin buttons for quick, convenient, and accurate value adjustments.

Package forked by Flutter Spinbox of Jpnurmi

Guidelines #

Spin boxes are best suited for such applications

  • that deal with large numeric value ranges and high precisions,
  • where users typically know upfront the exact value they are entering,
  • where users may later have a need to accurately adjust a previously entered value.

As a rule of thumb, spin boxes are great for scenarios where

  • sliders and alike UI controls are too inaccurate,
  • tumblers and alike UI controls cannot provide enough value range,
  • and a plain text field is inconvenient for value adjustments (open the VKB, move the cursor, erase the previous value, enter a new value... vs. tap-tap-done).

Designs #

SpinBox for Flutter comes in two variants. It provides implementations for both designs in Flutter, Material and Cupertino (iOS).

Material Design #

SpinBox

import 'package:flutter_spinbox_fork/material.dart'; // or flutter_spinbox_fork.dart for both

SpinBox(
  min: 1,
  max: 100,
  value: 50,
  onChanged: (value) => print(value),
)

See also Material Components widgets package.

Cupertino (iOS-style) Design #

CupertinoSpinBox

import 'package:flutter_spinbox_fork/cupertino.dart'; // or flutter_spinbox_fork.dart for both

CupertinoSpinBox(
  min: 1,
  max: 100,
  value: 50,
  onChanged: (value) => print(value),
)

See also Cupertino (iOS-style) widgets package.

Usage #

To use this package, add flutter_spinbox as a dependency in your pubspec.yaml file.

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SpinBox is a numeric input widget with an input field for entering a specific value, and spin buttons for quick, convenient, and accurate value adjustments.

Repository (GitHub)

Documentation

API reference

License

Icon for licenses.MIT (LICENSE)

Dependencies

cupertino_icons, flutter, intl, meta

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