FlCamera class Null safety

Inheritance

Constructors

FlCamera({Key? key, Widget? overlay, ValueChanged<FlashState>? onFlashChanged, ValueChanged<CameraZoomState>? onZoomChanged, bool updateReset = false, CameraInfo? camera, CameraResolution resolution = CameraResolution.high, BoxFit fit = BoxFit.fitWidth, FlCameraCreateCallback? onCreateView, Widget? uninitialized})
const

Properties

camera CameraInfo?
需要预览的相机 Camera ID to preview
final
fit BoxFit
How a camera box should be inscribed into another box.
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
onCreateView FlCameraCreateCallback?
get Controller
final
onFlashChanged ValueChanged<FlashState>?
闪光灯变化 Flash change
final
onZoomChanged ValueChanged<CameraZoomState>?
缩放变化 zoom ratio
final
overlay Widget?
显示在预览框上面 Display above preview box
final
resolution CameraResolution
预览相机支持的分辨率 Preview the resolution supported by the camera
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
uninitialized Widget?
未显示相机时显示的UI The UI displayed when the camera is not uninitialized
final
updateReset bool
更新组件时是否重置相机 Reset camera when updating components
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
createState() → _FlCameraStateWidget
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. [...]
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 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. [...]
@nonVirtual, inherited