CameraPickerState class

Inheritance
Mixed-in types

Constructors

CameraPickerState()

Properties

cameras ↔ List<CameraDescription>
Available cameras. 可用的相机实例
getter/setter pair
context → BuildContext
The location in the tree where this widget builds.
no setterinherited
controller → CameraController
The controller for the current camera. 当前相机实例的控制器
no setter
currentCamera → CameraDescription
A getter to the current CameraDescription. 获取当前相机实例
no setter
currentCameraIndex ↔ int
The index of the current cameras. Defaults to 0. 当前相机的索引。默认为0
getter/setter pair
enableAudio → bool
No audio integration required when it's only for camera. 在仅允许拍照时不需要启用音频
no setter
enableExposureControlOnPoint → bool
no setter
enablePinchToZoom → bool
no setter
enablePullToZoomInRecord → bool
no setter
enableRecording → bool
////////////////////////////////////////////////////////////////////// //////////////////////// Global Getters ////////////////////////////// //////////////////////////////////////////////////////////////////////
no setter
enableSetExposure → bool
no setter
enableTapRecording → bool
no setter
hashCode → int
The hash code for this object.
no setterinherited
isRecordingRestricted → bool
Whether the recording restricted to a specific duration. 录像是否有限制的时长
no setter
isShootingButtonAnimate ↔ bool
Whether the shootingButton should animate according to the gesture. 拍照按钮是否需要执行动画
getter/setter pair
maximumRecordingDuration → Duration?
no setter
mounted → bool
Whether this State object is currently in a tree.
no setterinherited
onLongPress → GestureLongPressCallback?
no setter
onlyEnableRecording → bool
no setter
onPointerUp → PointerUpEventListener?
////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// ///////////////////// Just a line breaker //////////////////////////// ////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////
no setter
onTap → GestureTapCallback?
no setter
recordDetectDuration → Duration
The Duration for record detection. (200ms) 检测是否开始录制的时长 (200毫秒)
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
settingsAction → Widget
////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// ///////////////////// Just a line breaker //////////////////////////// ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// Settings action section widget. 设置操作区
no setter
shouldAutoPreviewVideo → bool
no setter
shouldDeletePreviewFile → bool
no setter
shouldPrepareForVideoRecording → bool
Whether the picker needs to prepare for video recording on iOS. 是否需要为 iOS 的录制视频执行准备操作
no setter
switchCamerasButton → Widget
The button to switch between cameras. 切换相机的按钮
no setter
theme → ThemeData
Get ThemeData of the CameraPicker through Constants.pickerKey. 通过常量全局 Key 获取当前选择器的主题
no setter
widget → CameraPicker
The current configuration.
no setterinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
inherited
backButton(BuildContext context, BoxConstraints constraints) → Widget
The back button near to the shootingButton. 靠近拍照键的返回键
build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
deactivate() → void
Called when this object is removed from the tree.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeAccessibilityFeatures() → void
Called when the system changes the set of currently active accessibility features.
inherited
didChangeAppLifecycleState(AppLifecycleState state) → void
Called when the system puts the app in the background or returns the app to the foreground.
override
didChangeDependencies() → void
Called when a dependency of this State object changes.
inherited
didChangeLocales(List<Locale>? locales) → void
Called when the system tells the app that the user's locale has changed. For example, if the user changes the system language settings.
inherited
didChangeMetrics() → void
Called when the application's dimensions change. For example, when a phone is rotated.
inherited
didChangePlatformBrightness() → void
Called when the platform brightness changes.
inherited
didChangeTextScaleFactor() → void
Called when the platform's text scale factor changes.
inherited
didChangeViewFocus(ViewFocusEvent event) → void
Called whenever the PlatformDispatcher receives a notification that the focus state on a view has changed.
inherited
didHaveMemoryPressure() → void
Called when the system is running low on memory.
inherited
didPopRoute() → Future<bool>
Called when the system tells the app to pop the current route, such as after a system back button press or back gesture.
inherited
didPushRoute(String route) → Future<bool>
Called when the host tells the application to push a new route onto the navigator.
inherited
didPushRouteInformation(RouteInformation routeInformation) → Future<bool>
Called when the host tells the application to push a new RouteInformation and a restoration state onto the router.
inherited
didRequestAppExit() → Future<AppExitResponse>
Called when a request is received from the system to exit the application.
inherited
didUpdateWidget(covariant CameraPicker oldWidget) → void
Called whenever the widget configuration changes.
inherited
dispose() → void
Called when this object is removed from the tree permanently.
override
handleCancelBackGesture() → void
Called when a predictive back gesture is canceled, indicating that no navigation should occur.
inherited
handleCommitBackGesture() → void
Called when a predictive back gesture is finished successfully, indicating that the current route should be popped.
inherited
handleStartBackGesture(PredictiveBackEvent backEvent) → bool
Called at the start of a predictive back gesture.
inherited
handleUpdateBackGestureProgress(PredictiveBackEvent backEvent) → void
Called when a predictive back gesture moves.
inherited
initCameras([CameraDescription? cameraDescription]) → void
Initialize cameras instances. 初始化相机实例
initState() → void
Called when this object is inserted into the tree.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onPointerMove(BoxConstraints c) → PointerMoveEventListener?
onShootingButtonMove(PointerMoveEvent event, BoxConstraints constraints) → void
Update the scale value while the user is shooting. 用户在录制时通过滑动更新缩放
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
inherited
recordDetection() → void
When the shootingButton's onLongPress called, the _recordDetectTimer will be initialized to achieve press time detection. If the duration reached to same as recordDetectDuration, and the timer still active, start recording video. 当 shootingButton 触发了长按，初始化一个定时器来实现时间检测。如果长按时间 达到了 recordDetectDuration 且定时器未被销毁，则开始录制视频。
recordDetectionCancel(PointerUpEvent event) → void
This will be given to the Listener in the shootingButton. When it's called, which means no more pressing on the button, cancel the timer and reset the status. 这个方法会赋值给 shootingButton 中的 Listener。当按钮释放了点击后，定时器 将被取消，并且状态会重置。
setExposureAndFocusPoint(TapUpDetails details, BoxConstraints constraints) → Future<void>
Use the details point to set exposure and focus. 通过点击点的 details 设置曝光和对焦。
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
inherited
shootingActions(BuildContext context, CameraController? controller, BoxConstraints constraints) → Widget
Shooting action section widget. 拍照操作区
shootingButton(BoxConstraints constraints) → Widget
The shooting button. 拍照按钮
startRecordingVideo() → Future<void>
Set record file path and start recording. 设置拍摄文件路径并开始录制视频
stopRecordingVideo() → Future<void>
Stop the recording process. 停止录制视频
switchCameras() → void
The method to switch cameras. 切换相机的方法
switchExposureMode() → void
Use the specific mode to update the exposure mode. 设置曝光模式
switchFlashesButton(CameraValue value) → Widget
The button to switch flash modes. 切换闪光灯模式的按钮
switchFlashesMode() → Future<void>
The method to switch between flash modes. 切换闪光灯模式的方法
takePicture() → Future<void>
The method to take a picture. 拍照方法
tipsTextWidget(CameraController? controller) → Widget
Text widget for shooting tips. 拍摄的提示文字
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
toStringShort() → String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited
updateExposureOffset(double value) → void
Update the exposure offset using the exposure controller. 使用曝光控制器更新曝光值
zoom(double scale) → Future<void>

Operators

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