utils library

Classes

AppData<T>
AppFailure<T>
AppLoading<T>
AppState<T>
ColorMap
Represents a color palette generated from quantization.
ColorVolumeBox
Represents a color volume box for quantization.
ComposerCycleManager
CustomScrollBehavior
Custom Scroll Behavior
DataImageProvider
Debug
Global Debug utility
Fake
FakeConversation
FakeData
FakePerson
FakeProduct
FakeUsers
FutureUtils
Future Helpers
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.
Patterns
Predefined Patterns for different validation
PriorityQueue<T>
A generic priority queue implementation.
SystemUI
System UI Utilities
TimeFormatter
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.
Zero

Enums

LogLevel
Log levels
TimeOfDayGreeting

Extensions

AbsoluteValue on num
AddIfAbsent on Map<K, V>
AngleBetweenVectors on List<num>
AsyncUtilities on Future<T>
Async Utilities Functions
AverageList on List<num>
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.
ChunkList on List<T>
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.
ComposerLifecycle on BuildContext
ContainsAny on List<T>
CountChar on String
CurrencyExtension on num
DateExtension on DateTime
Extension for DateTime providing utility methods for common date-time operations.
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>
ListGenerator on int
MapStringToInt on Map<String, String>
MapToList on Map<T, V>
MaxMinIndex on List<T>
Mean on List<num>
Median on List<num>
MergeList on List<T>
MultiFilterList on List<T>
NetworkExtensions on String
Network Utilities Extensions for Dart & Flutter
NetworkStatus on InternetAddress
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>
ResultFutureExtension on Future<Result<T, AppError>>
ResultUtils on Future<T>
ReverseList on List<T>
RoundToDecimal on num
ScrollControllerExtensions on ScrollController
Extension for ScrollController providing additional scroll functionality.
ShuffleList on List<T>
SignOfNumber on num
SortBy on List<T>
SplitFixedLength on String
SquareRoot on num
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>

Properties

alphaRegExp → RegExp
Regular Expression for Alphabet characters
final
flutterWidgets → HashSet<String>
final

Functions

debug(String? message, {String? tag}) → void
extend(Map target, Map source, [Iterable<Map>? sources]) → Map
extendAll(Map target, Iterable<Map> sources) → Map
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.
quantize(List<List<int>> pixels, int maxColors) → ColorMap?
Quantizes an image's colors using the Median Cut Algorithm.

Typedefs

KeyboardVisibilityWidgetBuilder = Widget Function(BuildContext context, bool isKeyboardVisible)
Signature for the builder function which returns isKeyboardVisible.