flutter_numkit 0.0.5

A collection of handy numeric extensions for Flutter (Angles, Bool, Duration, EdgeInsets, Gap, Radius, Percentages, Radius, ScreenSizes, Tween.)

Flutter NumKit

A collection of handy numeric extensions for Flutter that makes working with numbers more intuitive and reduces boilerplate code.

✨ Features

• Angles: Convert between degrees and radians
• Boolean Checks: Check if a number is odd, even, or between values
• Durations: Create durations from numbers with different time units
• Edge Insets: Create EdgeInsets with less code
• Gaps: Easily add spacing in your layouts
• Percentages: Calculate percentages of numbers
• Radius: Create circular and rounded rectangles easily
• Screen Sizes: Responsive sizing based on screen dimensions
• Tweens: Simple linear interpolation between values

Installation

Add the following to your pubspec.yaml file:

dependencies:
  flutter_numkit: ^0.0.5

Then run:

flutter pub get

Usage

Import the package:

import 'package:flutter_numkit/flutter_numkit.dart';

Angle Extensions

double radians = 45.degToRad; // Convert degrees to radians (0.785)
double degrees = 3.14.radToDeg; // Convert radians to degrees (179.9087)

Boolean Extensions

bool boolean1 = 5.isOddNum; // true
bool boolean1 = 4.isEvenNum; // true
bool boolean1 = 7.isBetween(5, 10); // true

Gap Extensions

Column(
  children: [
    const Text('Hello'),
    10.verticalGap, // SizedBox with height 10
    const Text('World!'),
    1.spacer, // Flexible spacer with flex 1
  ],
)

Duration Extensions

// Create durations
Duration duration1 = 3.sec; // 3 seconds
Duration duration2 = 2.min; // 2 minutes
Duration duration3 = 1.days; // 1 days
Duration duration4 = 5.hours; // 5 hours
Duration duration5 = 500.milSec; // 500 milliseconds
Duration duration6 = 500.micSec; // 500 microseconds

EdgeInsets Extensions

// All sides same padding
EdgeInsets padding1 = 16.allEdgeInsets;  // EdgeInsets.all(16.0)

// Symmetrical padding
EdgeInsets padding2 = 16.symmetricEdgeInsets();  // EdgeInsets.symmetric(vertical: 16.0, horizontal: 16.0)
EdgeInsets padding3 = 16.symmetricEdgeInsets(vertical: 20);   // EdgeInsets.symmetric(vertical: 20.0, horizontal: 16.0)

// Individual sides
EdgeInsets padding4 = 16.topEdgeInsets;  // EdgeInsets.only(top: 16)
EdgeInsets padding5 = 16.leftEdgeInsets;  // EdgeInsets.only(left: 16)
EdgeInsets padding6 = 16.rightEdgeInsets;  // EdgeInsets.only(right: 16)
EdgeInsets padding7 = 16.bottomEdgeInsets;  // EdgeInsets.only(bottom: 16)
EdgeInsets padding4 = 16.onlyEdgeInsets(top: 20, left: 10);  // EdgeInsets.only(top: 20, left: 10, right: 16, bottom: 16)

Radius Extensions

// Circular radius
Radius radius1 = 12.allRadius;  // Radius.circular(12.0)

// All sides same border radius
BorderRadius borderRadius1 = 16.allBorderRadius;  // BorderRadius.circular(16.0)

// Symmetrical border radius
BorderRadius borderRadius2 = 16.verticalBorderRadius;  // BorderRadius.vertical(top: Radius.circular(16), bottom: Radius.circular(16))
BorderRadius borderRadius3 = 16.horizontalBorderRadius;  // BorderRadius.horizontal(left: Radius.circular(16), right: Radius.circular(16))

// Border radius
BorderRadius borderRadius4 = 16.topRadius;  // BorderRadius.vertical(top: Radius.circular(16)))
BorderRadius borderRadius5 = 16.leftRadius;  // BorderRadius.horizontal(left: Radius.circular(16))
BorderRadius borderRadius6 = 16.rightRadius;  // BorderRadius.horizontal(right: Radius.circular(16))
BorderRadius borderRadius7 = 16.bottomRadius;  // BorderRadius.vertical(bottom: Radius.circular(16))
BorderRadius borderRadius8 = 16.onlyBorderRadius(topLeft: 18, topRight: 12);  // BorderRadius.only( topLeft: Radius.circular(18), topRight: Radius.circular(12), bottomLeft: Radius.circular(16), bottomRight: Radius.circular(16));

Screen Size Extensions

// Get percentage of screen width/height
double halfScreenWidth = 50.ofWidth(context);       // 50% of screen width
double quarterScreenHeight = 25.ofHeight(context);  // 25% of screen height

Tween Extensions

// Linear interpolation
double value1 = 0.25.lerp(50, 150);  // 75.0 (25% between 50 and 150)

Percentage Extensions

// Calculate percentages
double result1 = 10.percent;         // 0.1 (10% as decimal)
double result2 = 25.percentOf(1000); // 250.0 (25% of 1000)