core_utils_kit library

Small Flutter utilities: secure key-value storage, duration and date formatting, material color generation, URL opening, and app lifecycle watching without extra state-management dependencies.

Classes

DateFormats

Date and duration formatting helpers.

InMemoryKeyValueStore

A KeyValueStore backed by an in-memory Map.

KeyValueStore

A minimal asynchronous key-value store abstraction.

SecureStorageService

A KeyValueStore backed by FlutterSecureStorage.

Mixins

LifecycleWatcher<T extends StatefulWidget>

Mixes app lifecycle callbacks into a State.

Extensions

BuildContextX on BuildContext

Convenience helpers on BuildContext.

DurationFormatting on Duration

Formats Duration values as HH:mm or HH:mm:ss strings.

Functions

generateMaterialColor(Color color) → MaterialColor

Builds a MaterialColor swatch from color.

generateRandomString(int length) → String

Generates a random string of length characters.

openLink(Uri uri) → Future<bool>

Opens uri with the platform launcher.

shadeColor(Color color, double factor) → Color

Returns color with every channel darkened by factor.

shadeValue(int value, double factor) → int

Darkens value by factor, clamped to 0..255.

tintColor(Color color, double factor) → Color

Returns color with every channel lightened by factor.

tintValue(int value, double factor) → int

Mixes value toward 255 by factor, clamped to 0..255.