input_calculator

Description:

input calculator

input_calculator #
With Input Calculator widget you can add functionality of calculation to a TextField.
Themes #
curve theme



flat theme



Usage #
CalculatorTextField
...

CalculatorTextField(
initialValue: _value,
onSubmitted: (value) {
_value = value;
print('value: $_value');
},
)

...
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CalculatorTextFormField
...

CalculatorTextFormField(
initialValue: _value,
validator: (value) {
if (value.isEmpty) {
return 'Madatory field';
}
return null;
},
onSubmitted: (value) {
_value = value;
print('value: $_value');
},
)

...
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Let's customize it ! #
Calculator


title: title to show on appbar.


appBarBackgroundColor: appbar color.


theme: allows two themes [CalculatorThemes.curve | CalculatorThemes.flat] (default: curve).


operatorButtonColor: color operator button.


operatorTextButtonColor: color text of operator button.


normalButtonColor: color normal button.


normalTextButtonColor: color text of normal button.


doneButtonColor: color done button.


doneTextButtonColor: color text of done button.


allowNegativeResult: allow negative result (default: true).


TextField


initialValue: initial value to show.


inputDecoration: decotation of textField.


valueFormat: format value of textField.