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androidx.camera.core

Annotations

ExperimentalAvailableCamerasLimiter Denotes that the annotated method uses an experimental API that configures CameraX to limit the available cameras applications can use in order to optimize the initialization latency. 
ExperimentalCameraFilter Denotes that the annotated method uses an experimental API that customizes camera filters to select a specific camera. 
ExperimentalCustomizableThreads Denotes that the annotated method uses an experimental API that swaps the default threading implementation with a user-defined threading implementation. 
ExperimentalExposureCompensation Denotes that the annotated method uses the experimental ExposureCompensation APIs that can control the exposure compensation of the camera. 
ExperimentalGetImage Denotes that the annotated method uses the experimental ImageProxy.getImage() method. 
ExperimentalLogging Denotes that the annotated method uses the experimental method CameraXConfig.Builder.setMinimumLoggingLevel(int) for specifying the minimum logging level to use inside CameraX. 
ExperimentalUseCaseGroup Denotes that the annotated classes and methods uses the experimental feature which provides a grouping mechanism for UseCases. 

Interfaces

Camera The camera interface is used to control the flow of data to use cases, control the camera via the CameraControl, and publish the state of the camera via CameraInfo. 
CameraControl The CameraControl provides various asynchronous operations like zoom, focus and metering which affects output of all UseCases currently bound to that camera. 
CameraFilter An interface for filtering cameras. 
CameraInfo An interface for retrieving camera information. 
CameraXConfig.Provider An interface which can be implemented to provide the configuration for CameraX. 
ExposureState An interface which contains the camera exposure related information. 
ExtendableBuilder<T> Extendable builders are used to add externally defined options that can be passed to the implementation being built. 
ImageAnalysis.Analyzer Interface for analyzing images. 
ImageCapture.OnImageSavedCallback Listener containing callbacks for image file I/O events. 
ImageInfo Metadata for an image. 
ImageProxy An image proxy which has a similar interface as Image. 
ImageProxy.PlaneProxy A plane proxy which has an analogous interface as Image.Plane. 
Preview.SurfaceProvider A interface implemented by the application to provide a Surface for Preview. 
SurfaceRequest.TransformationInfoListener Listener that receives updates of the SurfaceRequest.TransformationInfo associated with the SurfaceRequest. 
ZoomState An interface which contains the zoom related information from a camera. 

Classes

AspectRatio The aspect ratio of the use case. 
CameraSelector A set of requirements and priorities used to select a camera or return a filtered set of cameras. 
CameraSelector.Builder Builder for a CameraSelector. 
CameraXConfig A configuration for adding implementation and user-specific behavior to CameraX. 
CameraXConfig.Builder A builder for generating CameraXConfig objects. 
DisplayOrientedMeteringPointFactory A MeteringPointFactory that can convert a View (x, y) into a MeteringPoint which can then be used to construct a FocusMeteringAction to start a focus and metering action. 
FocusMeteringAction A configuration used to trigger a focus and/or metering action. 
FocusMeteringAction.Builder The builder used to create the FocusMeteringAction. 
FocusMeteringResult Result of the CameraControl.startFocusAndMetering(FocusMeteringAction). 
ImageAnalysis A use case providing CPU accessible images for an app to perform image analysis on. 
ImageAnalysis.Builder Builder for a ImageAnalysis. 
ImageCapture A use case for taking a picture. 
ImageCapture.Builder Builder for an ImageCapture. 
ImageCapture.Metadata Holder class for metadata that will be saved with captured images. 
ImageCapture.OnImageCapturedCallback Callback for when an image capture has completed. 
ImageCapture.OutputFileOptions Options for saving newly captured image. 
ImageCapture.OutputFileOptions.Builder Builder class for ImageCapture.OutputFileOptions. 
ImageCapture.OutputFileResults Info about the saved image file. 
MeteringPoint A MeteringPoint is used to specify a region which can then be converted to sensor coordinate system for focus and metering purpose. 
MeteringPointFactory A factory to create a MeteringPoint. 
Preview A use case that provides a camera preview stream for displaying on-screen. 
Preview.Builder Builder for a Preview. 
SurfaceOrientedMeteringPointFactory A MeteringPointFactory that can create MeteringPoint by surface oriented x, y on an area defined by (0, 0) - (width, height). 
SurfaceRequest A completable, single-use request of a Surface. 
SurfaceRequest.Result Result of providing a surface to a SurfaceRequest via SurfaceRequest.provideSurface(Surface, Executor, Consumer). 
SurfaceRequest.TransformationInfo Transformation associated the preview output. 
TorchState The camera flash torch state. 
UseCase The use case which all other use cases are built on top of. 
UseCaseGroup Represents a collection of UseCase. 
UseCaseGroup.Builder A builder for generating UseCaseGroup. 
ViewPort The field of view of one or many UseCases. 
ViewPort.Builder Builder for ViewPort. 

Exceptions

CameraControl.OperationCanceledException An exception representing a failure that the operation is canceled which might be caused by a new value is set or camera is closed. 
CameraInfoUnavailableException An exception thrown when unable to retrieve information about a camera. 
CameraUnavailableException CameraUnavailableException is thrown when a camera device could not be queried or opened or if the connection to an opened camera device is no longer valid. 
ImageCaptureException An exception thrown to indicate an error has occurred during image capture or while saving the captured image. 
InitializationException InitializationException is thrown when a failure occurs during an initialization process.