simple_calculator_flutter 1.0.1

Enhance your Flutter apps with a built-in, easy-to-use calculator widget.

Calculator Flutter Package

This Flutter package provides a customizable calculator widget that can be easily integrated into any Flutter application.

Features

• Customizable UI:
  • Change the colors of background, buttons, and text to match your app's theme.
• Basic Arithmetic Operations:
  • Supports addition, subtraction, multiplication, and division.
• Special Functions:
  • Percentage (%), Toggle sign (+/-), Decimal point (.), Clear all (AC).
• Dynamic Display:
  • Shows live results during calculations.

Constructor Parameters

Parameter	Type	Default Value	Description
backgroundColour	Color	Colors.white	Background color of the calculator
operationButtonColor	Color	Colors.blue	Color of the operation buttons
buttonColor	Color	Colors.white	Color of the number buttons
buttonTextColor	Color	Colors.black	Text color for number buttons
operationButtonTextColor	Color	Colors.white	Text color for operation buttons
resultTextColor	Color	Colors.black	Text color for the display of calculation result

API Reference

calcbutton(String btntxt, Color btncolor, Color txtcolor)

Creates a button for the calculator.

• btntxt: The text to display on the button.
• btncolor: The background color of the button.
• txtcolor: The text color of the button.

Calculator Widget Example

import 'package:flutter/material.dart';
import 'calculator.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Calculator Demo'),
        ),
        body: Calculator(
          backgroundColour: Colors.grey[200]!,
          operationButtonColor: Colors.orange,
          buttonColor: Colors.blueGrey,
          buttonTextColor: Colors.white,
          operationButtonTextColor: Colors.black,
          resultTextColor: Colors.red,
        ),
      ),
    );
  }
}

Usage Notes

• Ensure you call setState() inside the calculation() method to update the UI.
• The calculator supports chaining operations when using multiple operators sequentially.

License

This project is licensed under the MIT License.