Fluid Slider for Flutter

Inspired by Virgil Pana

Installation

Just add the package to your dependencies in the pubspec.yaml file:

dependencies:
  flutter_fluid_slider: ^0.0.1

Basic Usage

Place the FluidSlider in your widget tree.

FluidSlider(
  value: _value,
  onChanged: (double newValue) {
    setState(() {
      _value = newValue;
    });
  },
  min: 0.0,
  max: 100.0,
),

Properties

  • value : **Required** The currently selected value for this slider. The slider's thumb is drawn at a position that corresponds to this value.

  • min : The minimum value the user can select. Defaults to 0.0. Must be less than or equal to max.

  • max : The maximum value the user can select. Defaults to 1.0. Must be less than or equal to min.

  • start : The widget to be displayed as the min label. For eg: an Icon can be displayed. If not provided the min value is displayed as text.

  • end : The widget to be displayed as the max label. For eg: an Icon can be displayed. If not provided the max value is displayed as text.

  • onChanged : **Required** Called during a drag when the user is selecting a new value for the slider

    by dragging.

    • The slider passes the new value to the callback but does not actually change state until the parent widget rebuilds the slider with the new value.

    • If null, the slider will be displayed as disabled.

  • onChangeStart : Called when the user starts selecting a new value for the slider. The value passed will be the last value that the slider had before the change began.

  • onChangeEnd : Called when the user is done selecting a new value for the slider.

  • labelsTextStyle : The styling of the min and max text that gets displayed on the slider. If not provided the ancestor Theme's accentTextTheme text style will be applied.

  • valueTextStyle : The styling of the current value text that gets displayed on the slider. If not provided the ancestor Theme's textTheme.title text style with bold will be applied .

  • sliderColor : The color of the slider. If not provided the ancestor Theme's primaryColor will be applied.

  • thumbColor : The color of the thumb. If not provided the Colors.white will be applied.

Credits:

Libraries

flutter_fluid_slider

Dart

dart:ui
Built-in types and core primitives for a Flutter application. [...]

Core

dart:async
Support for asynchronous programming, with classes such as Future and Stream. [...]
dart:collection
Classes and utilities that supplement the collection support in dart:core. [...]
dart:convert
Encoders and decoders for converting between different data representations, including JSON and UTF-8. [...]
dart:core
Built-in types, collections, and other core functionality for every Dart program. [...]
dart:developer
Interact with developer tools such as the debugger and inspector. [...]
dart:math
Mathematical constants and functions, plus a random number generator. [...]
dart:typed_data
Lists that efficiently handle fixed sized data (for example, unsigned 8 byte integers) and SIMD numeric types. [...]

VM

dart:io
File, socket, HTTP, and other I/O support for non-web applications. [...]
dart:isolate
Concurrent programming using isolates: independent workers that are similar to threads but don't share memory, communicating only via messages. [...]