Enable Preview Stabilization if devices support for JCA

domain/camera/src/main/java/com/google/jetpackcamera/domain/camera/CameraXCameraUseCase.kt

@@ -279,28 +279,19 @@ constructor(
  useCaseGroup = useCaseGroupBuilder.build()
  }
 
- @OptIn(ExperimentalCamera2Interop::class)
  private fun createPreviewUseCase() : Preview {
- var isPreviewStabilizationSupported = false
-
- // TODO: find a better way to access camera info of front/back camera before binding
- // use cases
  val availableCameraInfo = cameraProvider.availableCameraInfos
- if (availableCameraInfo.isNotEmpty()) {
- for (cameraInfo in availableCameraInfo) {
- val lensFacing = Camera2CameraInfo.from(cameraInfo).getCameraCharacteristic(
- CameraCharacteristics.LENS_FACING)
- if ((isFrontFacing && CameraCharacteristics.LENS_FACING_FRONT == lensFacing)
- || (!isFrontFacing && CameraCharacteristics.LENS_FACING_BACK == lensFacing)) {
- isPreviewStabilizationSupported =
- Preview.getPreviewCapabilities(cameraInfo)
- .isStabilizationSupported
- }
- }
+ val cameraSelector = if (isFrontFacing) {
+ CameraSelector.DEFAULT_FRONT_CAMERA
+ } else {
+ CameraSelector.DEFAULT_BACK_CAMERA
  }
+ val isPreviewStabilizationSupported =
+ cameraSelector.filter(availableCameraInfo).firstOrNull()?.let {
+ Preview.getPreviewCapabilities(it).isStabilizationSupported
+ } ?: false
 
  val previewUseCaseBuilder = Preview.Builder()
- // Enable preview stabilization if device capability supports
  if (isPreviewStabilizationSupported) {
  previewUseCaseBuilder.setPreviewStabilizationEnabled(true)
  }
@@ -319,7 +310,6 @@ constructor(
  getLensFacing(isFrontFacing)
  )
  cameraProvider.unbindAll()
-
  cameraProvider.runWith(cameraSelector, useCaseGroup) {
  camera = it
  awaitCancellation()