Validate that only numbers are entered in amount dialogs

jkbngl / FFD

FFD - Finance for dummies | Allow normal people to control their expenses and optimize their spending with a simple APP

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Validate that only numbers are entered in amount dialogs #152

Closed jkbngl closed 4 years ago

jkbngl commented 4 years ago

[x] Actual

[x] Budget


String numberValidator(String value) {
if(value == null) {
return null;
}
final n = num.tryParse(value);
if(n == null) {
return '"$value" is not a valid number';
}
return null;
}

new TextFormField( keyboardType: TextInputType.number, validator: numberValidator, textAlign: TextAlign.right ...