Preview class

Widget for displaying preview frames from a CaptureSession.

Inheritance

• Object
• DiagnosticableTree
• Widget
• StatelessWidget
• UiKitReferenceWidget
• Preview

Constructors

Preview({Key? key, required PreviewController controller})

Construct a Preview.

Properties

controller → PreviewController

Controls the underlying iOS UIView that displays the preview frames.

final

gestureRecognizers → Set<Factory<OneSequenceGestureRecognizer>>

Which gestures should be forwarded to the PlatformView.

final, inherited

hashCode → int

The hash code for this object.

no setter, inherited

hitTestBehavior → PlatformViewHitTestBehavior

How this widget should behave during hit testing.

final, inherited

instance → Object

The object that will be stored in instanceManager.

final, inherited

key → Key?

Controls how one widget replaces another widget in the tree.

final, inherited

layoutDirection → TextDirection

Direction the text flows.

final, inherited

platformViewCreatedListener → PlatformViewCreatedCallback?

Callback signature for when a platform view was created.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

viewType → String

The unique identifier for the view type to be embedded.

final, inherited

Methods

build(BuildContext context) → Widget

Describes the part of the user interface represented by this widget.

inherited

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}) → 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