LayoutScope class
A Widget for accessing a current layout information.
Use an of method to access a full Inherited Widget. For more detailed info use:
- sizeOf to get currnet MaterialSizes
- deviceTypeOf to get DeviceType
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- LayoutScope
Constructors
- LayoutScope({required Widget child, Key? key})
-
const
Properties
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _LayoutScopeState -
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.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
Static Methods
-
deviceTypeOf(
BuildContext context, {bool listen = true}) → DeviceType? - Invokes of method and returns device type
-
of(
BuildContext context, {bool listen = true}) → LayoutScopeInherited? - The data from the closest instance of this class that encloses the given context.
-
sizeOf(
BuildContext context, {bool listen = true}) → MaterialSizes? - Invokes of method and returns current MaterialSize