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, int iso = 0, int shutterSpeed = 0, WhiteBalancePreset whiteBalance = WhiteBalancePreset.auto, double focusDistance = 0})
Properties
- description → CameraDescription
-
final
- enableAudio → bool
-
Whether to include audio when recording a video.
final
- focusDistance → double
-
Distance from camera to focused object
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasListeners → bool
-
Whether any listeners are currently registered.
no setterinherited
- isFlashOn ↔ bool
-
Flash state
getter/setter pair
- iso → int
-
ISO value
final
- resolutionPreset → ResolutionPreset
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- shutterSpeed → int
-
Shutter speed
final
- value ↔ CameraValue
-
The current value stored in this notifier.
getter/setter pairinherited
- whiteBalance → WhiteBalancePreset
-
White balance preset
final
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
-
flash(
bool value) → Future< bool> -
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.
-
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
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited