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Flutter: Autocomplete Widget

Jul 9, 2024

Flutter: Autocomplete Widget

Introduction

  • Problem: Typing is tedious, use autocomplete to finish user input
  • Solution: Utilize Flutter's autocomplete widget for an efficient solution

Overview of Autocomplete Widget

  • Purpose: Provides an off-the-shelf autocomplete experience
  • Replacement: Swap the text input widget with the autocomplete widget

Key Parameters and Callbacks

optionsBuilder

  • Function: Takes the latest text editing value
  • Returns: An iterable of matches (strings or custom types)
  • Usage: Provide options based on user input

displayStringForOption

  • Function: Turns custom types into strings
  • Purpose: Controls how options are displayed

optionsViewBuilder

  • Purpose: Controls how displayed matches look
  • Usage: Customize appearance of suggestions

onSelected

  • Purpose: Detects when a user taps a match

fieldViewBuilder

  • Purpose: Maintain full control over the text input appearance
  • Usage: Customize the text input to match original style

Additional Information

  • For more widgets and detailed information, visit flutter.dev