RBarcodeCameraController class

二维码扫描相机的控制器

Inheritance

Constructors

RBarcodeCameraController(RBarcodeCameraDescription description, RBarcodeCameraResolutionPreset resolutionPreset, {List<RBarcodeFormat>? formats, bool? isDebug})

Properties

hashCode → int
The hash code for this object.
no setterinherited
hasListeners → bool
Whether any listeners are currently registered.
no setterinherited
isScanning ↔ bool?
getter/setter pair
result ↔ RBarcodeResult?
getter/setter pair
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
value ↔ RBarcodeCameraValue
The current value stored in this notifier.
getter/setter pairinherited

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
clearResult() → void
dispose() → Future<void>
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
override
initialize() → Future<void>
初始化相机控制器
isTorchOn() → Future<bool?>
是否打开闪光灯
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
requestFocus(double x, double y, double width, double height) → Future<void>
请求聚焦 x 0~1 y 0~1
setBarcodeFormats(List<RBarcodeFormat> formats) → Future<void>
设置想要的编码格式的二维码
setTorchOn(bool isTorchOn) → Future<bool?>
设置闪光灯 isTorchOn 打开/关闭闪光灯
startScan() → Future<void>
开启扫码
stopScan() → Future<void>
停止扫码
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited