errorBorder property

@override InputBorder errorBorder

The border to display when the InputDecorator does not have the focus and is showing an error.

See also:

• InputDecorator.isFocused, which is true if the InputDecorator's child has the focus.
• InputDecoration.errorText, the error shown by the InputDecorator, if non-null.
• border, for a description of where the InputDecorator border appears.
• UnderlineInputBorder, an InputDecorator border which draws a horizontal line at the bottom of the input decorator's container.
• OutlineInputBorder, an InputDecorator border which draws a rounded rectangle around the input decorator's container.
• InputBorder.none, which doesn't draw a border.
• focusedBorder, displayed when InputDecorator.isFocused is true and InputDecoration.errorText is null.
• focusedErrorBorder, displayed when InputDecorator.isFocused is true and InputDecoration.errorText is non-null.
• disabledBorder, displayed when InputDecoration.enabled is false and InputDecoration.errorText is null.
• enabledBorder, displayed when InputDecoration.enabled is true and InputDecoration.errorText is null.

Implementation

@override
InputBorder get errorBorder => OutlineInputBorder(
      borderSide: BorderSide(
        color: Colors.red.shade800,
        width: borderWidth ?? 0,
      ),
      borderRadius: getradius(shape),
    );