RatingBar class Null safety

A widget to receive rating input from users.

RatingBar can also be used to display rating

Prefer using RatingBarIndicator instead, if read only version is required. As RatingBarIndicator supports any fractional rating value.

Inheritance

Constructors

RatingBar({required RatingWidget ratingWidget, required ValueChanged<double> onRatingUpdate, Color? glowColor, double? maxRating, TextDirection? textDirection, Color? unratedColor, bool allowHalfRating = false, Axis direction = Axis.horizontal, bool glow = true, double glowRadius = 2, bool ignoreGestures = false, double initialRating = 0.0, int itemCount = 5, EdgeInsetsGeometry itemPadding = EdgeInsets.zero, double itemSize = 40.0, double minRating = 0, bool tapOnlyMode = false, bool updateOnDrag = false, WrapAlignment wrapAlignment = WrapAlignment.start})
Creates RatingBar using the ratingWidget.
const
RatingBar.builder({required IndexedWidgetBuilder itemBuilder, required ValueChanged<double> onRatingUpdate, Color? glowColor, double? maxRating, TextDirection? textDirection, Color? unratedColor, bool allowHalfRating = false, Axis direction = Axis.horizontal, bool glow = true, double glowRadius = 2, bool ignoreGestures = false, double initialRating = 0.0, int itemCount = 5, EdgeInsetsGeometry itemPadding = EdgeInsets.zero, double itemSize = 40.0, double minRating = 0, bool tapOnlyMode = false, bool updateOnDrag = false, WrapAlignment wrapAlignment = WrapAlignment.start})
Creates RatingBar using the itemBuilder.
const

Properties

allowHalfRating bool
Default allowHalfRating = false. Setting true enables half rating support.
final
direction Axis
Direction of rating bar. [...]
final
glow bool
if set to true, Rating Bar item will glow when being touched. [...]
final
glowColor Color?
Defines color for glow. [...]
final
glowRadius double
Defines the radius of glow. [...]
final
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
ignoreGestures bool
if set to true, will disable any gestures over the rating bar. [...]
final
initialRating double
Defines the initial rating to be set to the rating bar.
final
itemCount int
Defines total number of rating bar items. [...]
final
itemPadding EdgeInsetsGeometry
The amount of space by which to inset each rating item.
final
itemSize double
Defines width and height of each rating item in the bar. [...]
final
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
maxRating double?
Sets maximum rating [...]
final
minRating double
Sets minimum rating [...]
final
onRatingUpdate ValueChanged<double>
Return current rating whenever rating is updated. [...]
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
tapOnlyMode bool
if set to true will disable drag to rate feature. Note: Enabling this mode will disable half rating capability. [...]
final
textDirection TextDirection?
The text flows from right to left if textDirection = TextDirection.rtl
final
unratedColor Color?
Defines color for the unrated portion. [...]
final
updateOnDrag bool
Defines whether or not the onRatingUpdate updates while dragging. [...]
final
wrapAlignment WrapAlignment
How the item within the RatingBar should be placed in the main axis. [...]
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
createState() → _RatingBarState
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. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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. [...]
@nonVirtual, inherited