ButtonStyleButton class

The base StatefulWidget class for buttons whose style is defined by a ButtonStyle object.

Concrete subclasses must override defaultStyleOf and themeStyleOf.

See also:

Inheritance
Implementers

Constructors

ButtonStyleButton({Key key, @required VoidCallback onPressed, @required VoidCallback onLongPress, @required ButtonStyle style, @required FocusNode focusNode, @required bool autofocus, @required Clip clipBehavior, @required Widget child})
Create a ButtonStyleButton.
const

Properties

autofocus bool
True if this widget will be selected as the initial focus when no other node in its scope is currently focused. [...]
final
child Widget
Typically the button's label.
final
clipBehavior Clip
The content will be clipped (or not) according to this option. [...]
final
enabled bool
Whether the button is enabled or disabled. [...]
read-only
focusNode FocusNode
An optional focus node to use as the focus node for this widget. [...]
final
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
key Key
Controls how one widget replaces another widget in the tree. [...]
final, inherited
onLongPress VoidCallback
Called when the button is long-pressed. [...]
final
onPressed VoidCallback
Called when the button is tapped or otherwise activated. [...]
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
style ButtonStyle
Customizes this button's appearance. [...]
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
createState() → _ButtonStyleState
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. [...]
override
defaultStyleOf(BuildContext context) ButtonStyle
Returns a non-null ButtonStyle that's based primarily on the Theme's ThemeData.textTheme and ThemeData.colorScheme. [...]
@protected
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
themeStyleOf(BuildContext context) ButtonStyle
Returns the ButtonStyle that belongs to the button's component theme. [...]
@protected
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
Returns 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

Static Methods

allOrNull<T>(T value) MaterialStateProperty<T>
Returns null if value is null, otherwise MaterialStateProperty.all<T>(value). [...]
scaledPadding(EdgeInsetsGeometry geometry1x, EdgeInsetsGeometry geometry2x, EdgeInsetsGeometry geometry3x, double textScaleFactor) EdgeInsetsGeometry
Returns an interpolated value based on the textScaleFactor parameter: [...]