AutoSuggestBox<T> class

An AutoSuggestBox provides a list of suggestions for a user to select from as they type.

AutoSuggestBox Preview

See also:

Inheritance
Available Extensions

Constructors

AutoSuggestBox({Key? key, required List<AutoSuggestBoxItem<T>> items, TextEditingController? controller, OnChangeAutoSuggestBox? onChanged, ValueChanged<AutoSuggestBoxItem<T>>? onSelected, ValueChanged<bool>? onOverlayVisibilityChanged, AutoSuggestBoxItemBuilder? itemBuilder, WidgetBuilder? noResultsFoundBuilder, AutoSuggestBoxSorter<T>? sorter, Widget? leadingIcon, Widget? trailingIcon, bool clearButtonEnabled = true, String? placeholder, TextStyle? placeholderStyle, TextStyle? style, BoxDecoration? decoration, BoxDecoration? foregroundDecoration, Color? highlightColor, Color? unfocusedColor, Color? cursorColor, double? cursorHeight, Radius cursorRadius = const Radius.circular(2.0), double cursorWidth = 1.5, bool? showCursor, Brightness? keyboardAppearance, EdgeInsets scrollPadding = const EdgeInsets.all(20.0), BoxHeightStyle selectionHeightStyle = ui.BoxHeightStyle.tight, BoxWidthStyle selectionWidthStyle = ui.BoxWidthStyle.tight, TextInputAction? textInputAction, FocusNode? focusNode, bool autofocus = false, bool enableKeyboardControls = true, bool enabled = true, List<TextInputFormatter>? inputFormatters, double maxPopupHeight = kAutoSuggestBoxPopupMaxHeight})
Creates a fluent-styled auto suggest box.
const
AutoSuggestBox.form({Key? key, required List<AutoSuggestBoxItem<T>> items, TextEditingController? controller, OnChangeAutoSuggestBox? onChanged, ValueChanged<AutoSuggestBoxItem<T>>? onSelected, ValueChanged<bool>? onOverlayVisibilityChanged, AutoSuggestBoxItemBuilder? itemBuilder, WidgetBuilder? noResultsFoundBuilder, AutoSuggestBoxSorter<T>? sorter, Widget? leadingIcon, Widget? trailingIcon, bool clearButtonEnabled = true, String? placeholder, TextStyle? placeholderStyle, TextStyle? style, BoxDecoration? decoration, BoxDecoration? foregroundDecoration, Color? highlightColor, Color? unfocusedColor, Color? cursorColor, double? cursorHeight, Radius cursorRadius = const Radius.circular(2.0), double cursorWidth = 1.5, bool? showCursor, Brightness? keyboardAppearance, EdgeInsets scrollPadding = const EdgeInsets.all(20.0), BoxHeightStyle selectionHeightStyle = ui.BoxHeightStyle.tight, BoxWidthStyle selectionWidthStyle = ui.BoxWidthStyle.tight, FormFieldValidator<String>? validator, AutovalidateMode autovalidateMode = AutovalidateMode.disabled, TextInputAction? textInputAction, FocusNode? focusNode, bool autofocus = false, bool enableKeyboardControls = true, bool enabled = true, List<TextInputFormatter>? inputFormatters, double maxPopupHeight = kAutoSuggestBoxPopupMaxHeight})
Creates a fluent-styled auto suggest form box.
const

Properties

autofocus bool
Whether this text field should focus itself if nothing else is already focused.
final
autovalidateMode AutovalidateMode
Used to enable/disable this form field auto validation and update its error text.
final
clearButtonEnabled bool
Whether the close button is enabled
final
controller TextEditingController?
The controller used to have control over what to show on the TextBox.
final
cursorColor Color?
The color of the cursor.
final
cursorHeight double?
How tall the cursor will be.
final
cursorRadius Radius
How rounded the corners of the cursor should be.
final
cursorWidth double
How thick the cursor will be.
final
decoration BoxDecoration?
Controls the BoxDecoration of the box behind the text input.
final
enabled bool
Whether the text box is enabled
final
enableKeyboardControls bool
Whether the items can be selected using the keyboard
final
focusNode FocusNode?
An object that can be used by a stateful widget to obtain the keyboard focus and to handle keyboard events.
final
foregroundDecoration BoxDecoration?
Controls the BoxDecoration of the box in front of the text input.
final
hashCode int
The hash code for this object.
no setterinherited
highlightColor Color?
The highlight color of the text box.
final
inputFormatters List<TextInputFormatter>?
Optional input validation and formatting overrides.
final
itemBuilder AutoSuggestBoxItemBuilder?
A callback function that builds the items in the overlay.
final
items List<AutoSuggestBoxItem<T>>
The list of items to display to the user to pick
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
keyboardAppearance Brightness?
The appearance of the keyboard.
final
leadingIcon Widget?
A widget displayed at the start of the text box
final
maxPopupHeight double
The max height the popup can assume.
final
noResultsFoundBuilder WidgetBuilder?
Widget to be displayed when none of the items fit the sorter
final
onChanged OnChangeAutoSuggestBox?
Called when the text is updated
final
onOverlayVisibilityChanged ValueChanged<bool>?
Called when the overlay visibility changes
final
onSelected ValueChanged<AutoSuggestBoxItem<T>>?
Called when the user selected a value.
final
placeholder String?
The text shown when the text box is empty
final
placeholderStyle TextStyle?
The style of placeholder
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
scrollPadding EdgeInsets
Configures padding to edges surrounding a Scrollable when the Textfield scrolls into view.
final
selectionHeightStyle BoxHeightStyle
Controls how tall the selection highlight boxes are computed to be.
final
selectionWidthStyle BoxWidthStyle
Controls how wide the selection highlight boxes are computed to be.
final
showCursor bool?
Whether to show cursor.
final
sorter AutoSuggestBoxSorter<T>?
Sort the items based on the current query text
final
style TextStyle?
The style to use for the text being edited.
final
textInputAction TextInputAction?
The type of action button to use for the keyboard.
final
trailingIcon Widget?
A widget displayed at the end of the text box
final
unfocusedColor Color?
The unfocused color of the highlight border.
final
validator FormFieldValidator<String>?
An optional method that validates an input. Returns an error string to display if the input is invalid, or null otherwise.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<AutoSuggestBox<T>>
Creates the mutable state for this widget at a given location in the tree.
override
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
override
defaultItemSorter(String text, List<AutoSuggestBoxItem<T>> items) List<AutoSuggestBoxItem<T>>
The default item sorter.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object.
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited