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:
- TextButton, a simple ButtonStyleButton without a shadow.
- ElevatedButton, a filled ButtonStyleButton whose material elevates when pressed.
- OutlinedButton, similar to TextButton, but with an outline.
- Inheritance
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ButtonStyleButton
- 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, otherwiseMaterialStateProperty.all<T>(value)
. [...] -
scaledPadding(
EdgeInsetsGeometry geometry1x, EdgeInsetsGeometry geometry2x, EdgeInsetsGeometry geometry3x, double textScaleFactor ) → EdgeInsetsGeometry -
Returns an interpolated value based on the
textScaleFactor
parameter: [...]