CameraController class
Controls a device camera.
Use availableCameras to get a list of available cameras.
Before using a CameraController a call to initialize must complete.
To show the camera preview on the screen use a CameraPreview widget.
- Inheritance
-
- Object
- ChangeNotifier
- ValueNotifier<
CameraValue> - CameraController
Constructors
- CameraController(CameraDescription description, ResolutionPreset resolutionPreset, {bool enableAudio = true, bool autoFocusEnabled = true, FlashMode flashMode = FlashMode.off, dynamic enableAutoExposure = true})
Properties
- autoFocusEnabled → bool
-
Whether the auttoFocus is enabled
final
- description → CameraDescription
-
final
- enableAudio → bool
-
Whether to include audio when recording a video.
final
- enableAutoExposure → dynamic
-
final
- flashMode → FlashMode
-
final
-
hasFlash
→ Future<
bool?> -
check if the device has a flash.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- resolutionPreset → ResolutionPreset
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value ↔ CameraValue
-
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
-
dispose(
) → Future< void> -
Releases the resources of this camera.
override
-
initialize(
) → Future< void> - Initializes the camera on the device.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Call all the registered listeners.
inherited
-
pauseVideoRecording(
) → Future< void> - Pause video recording.
-
prepareForVideoRecording(
) → Future< void> - Prepare the capture session for video recording.
-
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that are
notified when the object changes.
inherited
-
resumeVideoRecording(
) → Future< void> - Resume video recording after pausing.
-
setAutoFocus(
bool newValue) → Future< void> -
setFlashMode(
FlashMode flashMode) → Future< void> -
setPointOfInterest(
Offset offset) → Future< Null> -
startImageStream(
onLatestImageAvailable onAvailable) → Future< void> - Start streaming images from platform camera.
-
startVideoRecording(
String filePath) → Future< void> -
Start a video recording and save the file to
path. -
stopImageStream(
) → Future< void> - Stop streaming images from platform camera.
-
stopVideoRecording(
) → Future< void> - Stop recording.
-
takePicture(
String path) → Future< void> -
Captures an image and saves it to
path. -
toString(
) → String -
A string representation of this object.
inherited
-
zoom(
double step) → Future< void> -
change zoom by specific
step.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited