UnreadBadge class
A widget that shows a badge to display how many unread notifications there are.
See also:
- IconWithBadge, an icon that uses UnreadBadge.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- UnreadBadge
- Available Extensions
Constructors
Properties
- backgroundColor → Color?
-
Background color for the widget
Defaults to theme's error color.
final
- badgeContainerColor → Color?
-
The color of the surface where this badge is being drawn on. Typically, this will be the surface color. However, in cases
where this widget is used in a context with a different surface color, such as in an AppBar, this value should
be set to the AppBar's background color.
final
- foregroundColor → Color?
-
Foreground color for the text.
Defaults to theme's onError color.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- maximumDigits → int
-
How many digits long the unread amount can be. For example, if set to 3, any number over 999 will be shown as
999+ or +999 depending on the locale used and the text direction.
final
- minHeight → double
-
Min height of the unread bubble.
Defaults to 16.
final
- minWidth → double
-
Min width of the unread bubble.
Defaults to 16.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- semanticsLabel → String?
-
Optional text to replace the default Semantics behavior of reading the number in this badge.
final
- unread → int
-
The number to show in the badge.
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
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
-
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