textFieldValue method

String? textFieldValue(String fieldName)

Retrieves the value of a text field for a specified fieldName.

This method simplifies fetching the current value of a text field.

• Parameter fieldName The name of the text field to fetch.
• Returns: The current value of the text field as a String, or null if not set.
• Throws: ArgumentError if the field doesn't exist.

Implementation

String? textFieldValue(String fieldName) {
  return textField(fieldName).value;
}