VirtualKeyboard class
Display a simulated on screen keyboard at the bottom of a child widget.
When isEnabled is updated, a transitionDuration starts to display or hide the virtual keyboard.
No interraction is available, its only purpose is to display
the visual and update media query's viewInsets for child.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- VirtualKeyboard
Constructors
- VirtualKeyboard({Key? key, required Widget child, bool isEnabled = false, Duration transitionDuration = const Duration(milliseconds: 400)})
-
Display a simulated on screen keyboard on top of the given
childwidget.const
Properties
- child → Widget
-
The widget on top of which the keyboard is displayed.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- isEnabled → bool
-
Indicates whether the keyboard is displayed or not.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- transitionDuration → Duration
-
The transition duration when the keyboard is displayed or hidden.
final
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.
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, int wrapWidth = 65}) → 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
-
mediaQuery(
MediaQueryData mediaQuery) → MediaQueryData -
Adds the keyboard insets to the given
mediaQuery.