Build a calculator app in iOS and Android with the same code by using flutter.

CYT

Last update: Nov 24, 2022

Related tags

Templates flutter_calculator

Overview

flutter_calculator

Preview

Structure

Input Widgets

input widgets is all extends StatefulWidget, because they need to response the onTap gesture.

NumberButton. Rendering the number button (like 1,2,3...) and handling the onTap gesture.
OperatorButton. Rendering the operator button (like +,-,*...) and handling the onTap gesture.
ResultButton. Rendering the command button (like clear,equal...) and handling the onTap gesture.

Output Widgets

output widgets is all extends StatelessWidget, because they are just rendering.

ResultDisplay. Rendering the current result and changing display when user tap a number button.
HistoryBlock. Rendering the calculation histories and changing display every time when user tap a valid button.

CalculatorPage

CalculatorPage is extends StatefulWidget and holding the List of result.

CalculatorPage receives every input widgets onTap event, makes a logical calculation for these input and decide what to display to output widgets.

Thanks

This repo is inspired by react-calculator.

Thanks to the author's awesome idea and app ui.

Contact

[email protected]

Comments

抱歉请教个问题

              if (widget.onPress != null) {
                widget.onPress(widget.number);
                setState(() {
                  pressed = true;
                });

这里的Widget.func 是调用什么地方的方法？全局？

opened by orangemio 2

hello

Hi, I see that you are learning flutter, I am making an app to publish interactive chat stories, and I am recruiting a team of newcomers to flutter to study and work on the app. If you are interested write me an email [email protected] or in Issue on Github

opened by frilancer1547 0

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Build a calculator app in iOS and Android with the same code by using flutter.

Related tags

Overview

flutter_calculator

Preview

Structure

Input Widgets

Output Widgets

CalculatorPage

Thanks

Contact

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Comments

抱歉请教个问题

hello

Owner

CYT

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