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InputDecoration describes the visual parts of a Material text field. Use it with TextField or InputDecorator for borders, labels, hints, icons, helper text, and errors.

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Syntax

InputDecoration({Key? key, String? labelText, String? hintText, String? helperText, String? errorText, String? prefixText, String? suffixText, Widget? prefixIcon, InputBorder? border})

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  • TextField
  • InputDecorator
  • Decoration
  • DecoratedBox

Source: InputDecoration class - material library - Dart API. Checked 2026-11-03.