DefaultTextStyleTransition class
Animated version of a DefaultTextStyle that animates the different properties of its TextStyle.
The following code implements the DefaultTextStyleTransition that shows
a transition between thick blue font and thin red font.
link
To create a local project with this code sample, run:
flutter create --sample=widgets.DefaultTextStyleTransition.1 mysample
See also:
- AnimatedDefaultTextStyle, which animates changes in text style without taking an explicit Animation argument.
- DefaultTextStyle, which also defines a TextStyle for its descendants but is not animated.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- AnimatedWidget
- DefaultTextStyleTransition
Constructors
-
DefaultTextStyleTransition({Key? key, required Animation<
TextStyle> style, required Widget child, TextAlign? textAlign, bool softWrap = true, TextOverflow overflow = TextOverflow.clip, int? maxLines}) -
Creates an animated DefaultTextStyle whose TextStyle animation updates
the widget.
const
Properties
- child → Widget
-
The widget below this widget in the tree.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- listenable → Listenable
-
The Listenable to which this widget is listening.
finalinherited
- maxLines → int?
-
An optional maximum number of lines for the text to span, wrapping if necessary.
final
- overflow → TextOverflow
-
How visual overflow should be handled.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- softWrap → bool
-
Whether the text should break at soft line breaks.
final
-
style
→ Animation<
TextStyle> -
The animation that controls the descendants' text style.
no setter
- textAlign → TextAlign?
-
How the text should be aligned horizontally.
final
Methods
-
build(
BuildContext context) → Widget -
Override this method to build widgets that depend on the state of the
listenable (e.g., the current value of the animation).
override
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< AnimatedWidget> -
Subclasses typically do not override this method.
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.
inherited
-
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