androidx.camera.viewfinder.core

Kotlin |Java

Interfaces

ZoomGestureDetector.OnZoomGestureListener

The listener for receiving notifications when gestures occur.

Classes

`TransformationInfo`	Transformation information associated with the preview output.
`ViewfinderSurfaceRequest`	The request to get a `Surface` to display viewfinder input.
`ViewfinderSurfaceRequest.Builder`	Builder for `ViewfinderSurfaceRequest`.
`ViewfinderSurfaceRequest.Result`	Result of providing a surface to a `ViewfinderSurfaceRequest` via .provideSurface.
`ZoomGestureDetector`	Detector that interprets `MotionEvent`s and notify users when a zooming gesture has occurred.
`ZoomGestureDetector.ZoomEvent`	The zoom event that contains extended info about event state.
`ZoomGestureDetector.ZoomEvent.Begin`	The beginning of a zoom gesture.
`ZoomGestureDetector.ZoomEvent.End`	The end of a zoom gesture.
`ZoomGestureDetector.ZoomEvent.Move`	The moving events of a gesture in progress.

Enums

`ImplementationMode`	The implementation mode of a Viewfinder.
`ScaleType`	Options for scaling the input frames vis-à-vis its container viewfinder.

Extension functions summary

ViewfinderSurfaceRequest.Builder

ViewfinderSurfaceRequest.Builder.populateFromCharacteristics(
    cameraCharacteristics: CameraCharacteristics
)

Populates ViewfinderSurfaceRequest.Builder from CameraCharacteristics.

Extension functions

populateFromCharacteristics

Artifact: androidx.camera.viewfinder:viewfinder-core

View Source

Added in 1.4.0-alpha11

fun ViewfinderSurfaceRequest.Builder.populateFromCharacteristics(
    cameraCharacteristics: CameraCharacteristics
): ViewfinderSurfaceRequest.Builder

Populates ViewfinderSurfaceRequest.Builder from CameraCharacteristics.

The CameraCharacteristics will be used to populate information including lens facing, sensor orientation and ImplementationMode. If the hardware level is legacy, the ImplementationMode will be set to ImplementationMode.EMBEDDED.