flutter_addons library

Flutter Addons Library v3.0.0 Developed by AR Rahman

Copyright (c) 2025 - Licensed under Apache License 2.0 Initial Release: March 20, 2025 | Last Update: October 8, 2025

A curated suite of professional Flutter extensions and UI components engineered to enhance productivity and ensure code consistency across responsive, theme-compliant application development.

Classes

AddLifecycleManager
AppData<T>
AppError
AppFailure<T>
AppLoading<T>
AppState<T>
AuthorSpeech
Hey there, developer! 👋 If you're reading this, it means you're exploring the source code. That's awesome! Keep up the good work! 🚀 This list contains motivational messages for developers. Whenever you feel stuck or need a boost, just pick a random message from this list and let it brighten your day. I hope you find these messages helpful and inspiring. Remember, coding is not just about solving problems, it's also about enjoying the journey and having fun along the way.
BootstrapDarkColors
============================== 🌙 Bootstrap Dark Theme
BootstrapLightColors
============================== ☀️ Bootstrap Light Theme
BoxDecorations
Extension for Fluent Input Decoration
BrandKolors
A minimal yet comprehensive 12-color system for easy branding Covers all essential needs for any app without complexity
BrandTypo
Abstract class defining typography styles (Users only extend this) Abstract class defining typography styles for Soul
BreadConstant
BreadConstantData
reusable breadcrumb widget.
Represents each breadcrumb item.
Breakpoints
ButtonStyles
ColorMap
Represents a color palette generated from quantization.
ColorVolumeBox
Represents a color volume box for quantization.
ConsoleLogger
Using Console Logger for colorful and structured logging in the console. Supports different log levels, section headers, key-value pairs, and more. Inspired by various logging libraries but implemented from scratch for simplicity.
CoreScale
Singleton class that initializes and coordinates all scaling modes.
CurtainPainter
CustomScrollBehavior
Custom Scroll Behavior
DarkSoulColors
============================== 🌙 Soul Dark Theme
DataImageProvider
Debug
Global Debug utility
DesertCactusPainter
DesignFrame
DisplayFlex
DisplayFlexMedia
Core responsive flex system for calculating media data.
EightBitSkullPainter
Err<T, E>
ExceptionHandler
Fake
FakeConversation
FakeData
FakePerson
FakeProduct
FakeUsers
FallBackTypography
DefaultTypography provides a fallback set of typography styles. Default implementation of SoulTypography
FlexSpacing
FutureUtils
Future Helpers
GoogleMaterialDarkColors
============================== 🌙 Google Material Dark Theme
GoogleMaterialLightColors
============================== ☀️ Google Material Light Theme
HackerCatPainter
InputDecorations
InputForm
IOSBrandDarkColors
============================== 🌙 iOS Dark Theme
IOSBrandLightColors
Core 12-color palette abstraction.
KeyboardVisibilityBuilder
A widget that rebuilds when the keyboard visibility changes.
KeyboardVisibilityController
A lightweight widget and controller to detect keyboard visibility using MediaQuery. No platform channel or external dependency required. Controller for tracking keyboard visibility using ChangeNotifier.
Kolors
Label
LanguageData
A registry of supported languages
LanguageUtils
A high-level localization utility class
LightSoulColors
============================== ☀️ Soul Light Theme
MediaInfo
and allows building adaptive layouts with a single builder function.
MiniProgressBar
Helper class to provide easy and structured navigation methods
navigation operations with optional animations.
NeutralDarkColors
============================== 🌙 Neutral Gray Dark Theme
NeutralLightColors
============================== ☀️ Neutral Gray Light Theme
NotificationService
Ok<T, E>
OtpDecoration
PageAnimation
Palette
Abstract class for All kolors
Patterns
Predefined Patterns for different validation
PixelPerfectGridOverlay
A professional overlay that draws a pixel-perfect grid on top of a child widget. Useful for designers and developers to align UI elements.
PriorityQueue<T>
A generic priority queue implementation.
ResponsiveBuilder
ResponsivePage
ResponsiveScope
ResponsiveScope widget
ResponsiveSliver
ResponsiveTransitionBuilder
Result<T, E>
Represents either a success (Ok) or a failure (Err)
Section
SectionItem
A layout-aware widget representing a section item in a responsive grid.
Seed
Generate Color Schema Based of Seed Color
SoulTheme
A helper class to manage component themes.
SoulThemeEngine
Soul is a theme engine I designed to streamline and enhance theming in apps, making it easier to implement structured color palettes, typography, and component styles while supporting dynamic theming and custom extensions.
Swatch
Generate Color Schema Based of Material Swatch Color
SystemUI
System UI Utilities
TailwindDarkColors
============================== 🌙 Tailwind Dark Theme
TailwindLightColors
============================== ☀️ Tailwind Light Theme
TextSize
TextWeight
ThemeHelper
Centralized theme, text, color, and media query access. Initialize once at app root with ThemeHelper.init(context).
ThemeMaker
Manages the application's theme settings, including colors and typography. Implements the SoulThemeEngine interface for centralized theme handling.
ThemeManager
Base class for managing theme logic, exposing core functionality. This class is designed to be extended by the user. It provides methods to set and toggle themes, as well as to refresh the theme based on system settings. It also includes an abstract method for updating the theme, which must be implemented by the user.
TimeFormatter
TwitterDarkColors
============================== 🌙 Twitter Dark Theme
TwitterLightColors
This is Default Color Palette Light Theme Color Palette
Ui
Global design system access point.
UiAccordion
UiAlertDialog
UiAvatar
UiAvatarCircle
A circular avatar widget with optional border, tap handling, and status badge.
UiBlur
A reusable frosted-glass blur wrapper that blurs the background behind child.
UiBorderBox
UiButton
UiCheckbox
UiContainer
UIContext
UiDivider
UiDrawer
Professional reusable Drawer widget
UiDropdown<T>
UiErrorPage
UiFeedback
UiFlatButton
A reusable flat button widget with various styles and configurations. This widget supports filled, outlined, and text styles, with options for loading state, icon, and custom colors.
UiIconButton
UiInlinePopup
UiInlinePopupItem
Model for each menu item
UiLabel
Simple UiLabel widget that uses MyTextStyle
UiLabelTextStyle
UiLanguageSelectionSheet
A reusable language selection sheet. Shows a list of supported locales and allows selecting one.
UiListTile
A professional and customizable list tile for menus, settings, and drawers.
UiListView
Flexible ListView with Wrap inside a scroll view. Supports horizontal or vertical layout.
UiOtpField
UiPageIndicator
UiProductCard
UiRadioButton<T>
UiShapes
UiTextField
A modern, customizable text field component with extensive styling options and built-in functionality like password visibility toggle.
UiTextFieldBorder
Configuration class for customizing text field borders
UiTheme
A unified registry of all available UI brand themes. Easily switch between different design systems and their light/dark variants.
UiThemeSwitch
Validator
A utility class that provides common form field validators. All validators return null if the input is valid, otherwise return a string error message.
YaruCircularProgressIndicatorTheme
YaruCircularProgressIndicatorThemeData
YaruLoader
YaruProgressIndicator
YaruProgressIndicatorThemeData<T extends YaruProgressIndicatorThemeData<T>>
Zero

Enums

AlertAnimation
Available alert animations
AnimationType
Enum for available animations
AppOrientationLock
Enum representing different orientation lock modes
BorderShape
BorderStyleType
BreakpointMapper
Enum that maps to the Breakpoints class for consistent screen sizing.
CarrotDirection
ErrorScreen
error page design
FlexDisplayType
Defines whether a flex item is visible or hidden in a responsive context.
IndicatorShape
LogLevel
Log levels
NotificationType
OSType
Enum for OS type.
OtpValidationState
ResponsiveTransition
RouteAnimations
ScaleMode
ScreenType
Enum for screen type.
TimeOfDayGreeting
ToastAnimation
Still Developing Available toast animations
ToastPosition
UiLabelTextType

Extensions

AbsoluteValue on num
AddIfAbsent on Map<K, V>
AddonsLifecycle on BuildContext
AngleBetweenVectors on List<num>
AnimatedOpacityWidget on Widget
AppOrientationLockExtension on AppOrientationLock
AsyncUtilities on Future<T>
Async Utilities Functions
AverageList on List<num>
BlurEffectWidget on Widget
Extension to easily apply a blur/glass effect around any widget.
BoolExtensions on bool
Extension for boolean (bool) values to provide utility methods for common operations like toggling, conditionally executing actions, and converting to different string representations.
BorderRadiusWidget on Widget
BoxDecorationDSL on BoxDecoration
BoxDecoration extensions for DSL-style configuration
BrandAdaptiveColors on BuildContext
Adaptive Color Helpers
BrandColorsExtension on BuildContext
Clean Brand Color System
BrandStylingExtension on BuildContext
Brand Layout & Styling Tokens
BrandThemeExtension on BuildContext
Extension on BuildContext to provide convenient access to theme-related properties such as current theme mode. Professional Brand Design System Comprehensive theme extensions with actual brand color semantics Core theme access
CenterWidget on Widget
ChunkList on List<T>
CircularWidget on Widget
ClampValue on num
ColorExtensions on Color
Extension on Color to provide additional utility methods for color manipulation and analysis.
ColorTextStyleExtension on Color
Extension on Color to create text styles with specific colors.
ColumnWidget on Widget
ContainerDSL on Container
ContainsAny on List<T>
ContextTextStyles on BuildContext
Extension on BuildContext for easy access to TextTheme.
CountChar on String
CurrencyExtension on num
DateExtension on DateTime
Extension for DateTime providing utility methods for common date-time operations.
DecorationWidget on Widget
DegreesToRadians on num
DistinctBy on Iterable<T>
DurationUtils on Duration
EmojiExtension on String
EuclideanDistance on Point<num>
Exponential on num
ExtendJson on Map
Factorial on int
FindIndex on List<T>
FindOrDefault on List<T>
Focus on BuildContext
IntExtensions on int?
IntToDuration on int
IsSorted on List<T>
JoinList on List<T>
LastElement on List<T>
ListExtension on List<T>
Extension on List to add mapIndexed utility.
ListGenerator on int
ListViewGeneratorForList on List
LogExtension on Object
MapStringToInt on Map<String, String>
MapToList on Map<T, V>
MarginWidget on Widget
MaxMinIndex on List<T>
Mean on List<num>
Median on List<num>
MergeList on List<T>
MultiFilterList on List<T>
Navigator helper extensions for adding animations and context-based navigation
NetworkExtensions on String
Network Utilities Extensions for Dart & Flutter
NetworkStatus on InternetAddress
NotificationExtension on BuildContext
OnTapGesture on Widget
PaddingWidget on Widget
Power on num
RadiansToDegrees on num
RandomRange on int
RangeList on int
RemoveDuplicates on List<T>
RemoveFirstOccurrence on List<T>
RemoveNulls on List<T?>
RepeatList on List<T>
ResponsiveColumn on Column
Extension for Column widget to provide responsive padding and spacing
ResponsiveExtension on BuildContext
ResponsiveRow on Row
Extension for Row widget to provide responsive padding and spacing
ResponsiveSpacing on num
Extension for converting units and handling responsive sizing based on device dimensions.
ResultFutureExtension on Future<Result<T, AppError>>
ResultUtils on Future<T>
ReverseList on List<T>
RoundedWidget on Widget
RoundToDecimal on num
SafeAreaInsets on BuildContext
ScrollableWidget on Widget
ScrollControllerExtensions on ScrollController
Extension for ScrollController providing additional scroll functionality.
SeparatedIterable on Iterable<Widget>
ShadowWidget on Widget
ShapeWidget on Widget
ShuffleList on List<T>
SignOfNumber on num
SizedBoxWidget on Widget
SmartScalerExtension on num
SortBy on List<T>
SplitFixedLength on String
SquareRoot on num
StackAvatars on List<Widget>
StreamExtensions on Stream<T>
Batch Processing & Mapping for Streams
StringExt on String
String Extensions
StringExtension on String
String Extension to add useful utility methods
StringListToMap on List<String>
TextStyleBuilder on num
A comprehensive text style extension for Flutter that provides a fluent interface for building and customizing text styles.
TextStyleEnhancements on TextStyle
Extension on TextStyle for additional modifications and utilities.
ToListOfMaps on Iterable<T>
TooltipWidget on Widget
UnifiedMarginPadding on num
Provides convenient spacing extensions on num for unified margin, padding, and sized box creation using a fixed unit.
VisibilityWidget on Widget
WidgetNavigationExtension on Widget
Extension on Widget to simplify launching from context with animation.
WidgetStackExtensions on Widget
WidgetToBox on Widget

Constants

rtlLanguages → const List<String>
List of Right-to-Left (RTL) languages

Properties

alphaRegExp → RegExp
Regular Expression for Alphabet characters
final
errorIcon → String
final
flexColumns → int
no setter
flexSpacing → double
Global getters for your flex grid system.
no setter
flutterAddons → String
final
flutterWidgets → HashSet<String>
final
tailwindSafeColors ↔ Map<String, dynamic>
getter/setter pair
testBackground → String
final

Functions

colorTW(List<String> params) → Color?
customAppBar(BuildContext context, {required Widget child, bool applySafeAreaPadding = true, double height = 60.0, Color? statusBarColor, Brightness? statusBarIconBrightness, bool? blur = false}) → PreferredSize
A customizable AppBar widget with support for safe area padding, transparency, status bar styling, and height configuration.
debug(String? message, {String? tag}) → void
extend(Map target, Map source, [Iterable<Map>? sources]) → Map
extendAll(Map target, Iterable<Map> sources) → Map
fontSizeTW(List<String> params) → double?
fontWeightTW(List<String> params) → FontWeight?
getPaletteFromBytes(Uint8List imageData, int width, int height, [int? colorCount, int? quality]) → Future<List<List<int>>?>
Extracts a color palette from raw image bytes.
getPaletteFromImage(Uint8List imageData, int colorCount, int quality) → Future<List<Color>>
Extracts a color palette from an Image object.
isRtlLanguage(String languageCode) → bool
Utility function to check if a language is RTL
quantize(List<List<int>> pixels, int maxColors) → ColorMap?
Quantizes an image's colors using the Median Cut Algorithm.
textAlignTW(List<String> params) → TextAlign?
textOverflowTW(List<String> params) → TextOverflow?
textStyle(List<String> props) → TextStyle

Typedefs

KeyboardVisibilityWidgetBuilder = Widget Function(BuildContext context, bool isKeyboardVisible)
Signature for the builder function which returns isKeyboardVisible.
ResendButtonBuilder = Widget Function(BuildContext context, VoidCallback onResend, int remainingSeconds, bool isEnabled)
A professional and customizable OTP input field component.
ResponsiveBuilderType = Widget Function(BuildContext context, Orientation orientation, ScreenType screenType)
unified widget function

Exceptions / Errors

HttpException
Exception for network-related issues such as no internet connection, server unavailability, or connection timeout.