material library

ButtonBar class

An end-aligned row of buttons.

Places the buttons horizontally according to the padding in the current ButtonTheme. The children are laid out in a Row with MainAxisAlignment.end. When the Directionality is TextDirection.ltr, the button bar's children are right justified and the last child becomes the rightmost child. When the Directionality TextDirection.rtl the children are left justified and the last child becomes the leftmost child.

Used by Dialog to arrange the actions at the bottom of the dialog.

Constructors

ButtonBar({Key key, MainAxisAlignment alignment: MainAxisAlignment.end, MainAxisSize mainAxisSize: MainAxisSize.max, List<Widget> children: const [] }): Creates a button bar. [...]
const

Properties

alignment → MainAxisAlignment: How the children should be placed along the horizontal axis.
final
children → List<Widget>: The buttons to arrange horizontally. [...]
final
mainAxisSize → MainAxisSize: How much horizontal space is available. See Row.mainAxisSize.
final
hashCode → int: The hash code for this object. [...]
read-only, inherited
key → Key: Controls how one widget replaces another widget in the tree. [...]
final, inherited
runtimeType → Type: A representation of the runtime type of the object.
read-only, inherited

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. [...]
@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 toStringDeep. [...]
inherited
toString({DiagnosticLevel minLevel: DiagnosticLevel.debug }) → 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 ==(dynamic other) → bool: The equality operator. [...]
inherited