StandardDurationField constructor

const StandardDurationField({ Key? key, String inputFormat = 'HH:MM', dynamic onChanged(Duration value)?, Duration? initialValue, String? initialStringValue, dynamic onStringChanged(String value)?, FormFieldValidator<String>? validator, dynamic onEditingComplete()?, dynamic onFocusLost()?, bool enabled = true, bool autofocus = false, String? labelText, GestureTapCallback? onTap, Iterable<String>? autofillHints, InputDecoration? decoration, TextStyle? style, })

Implementation

const StandardDurationField({
  super.key,
  this.inputFormat = 'HH:MM',
  this.onChanged,
  this.initialValue,
  this.initialStringValue,
  this.onStringChanged,
  this.validator,
  this.onEditingComplete,
  this.onFocusLost,
  this.enabled = true,
  this.autofocus = false,
  this.labelText,
  this.onTap,
  this.autofillHints,
  this.decoration,
  this.style,
}) : assert(((initialValue != null &&
              initialStringValue == null &&
              onChanged != null &&
              onStringChanged == null) ||
          (initialValue == null &&
              initialStringValue != null &&
              onChanged == null &&
              onStringChanged != null)));