预览不显示 - Camera X API

Question

我正在尝试为用户实现相机界面，但 Camera X API 不适用于任何版本。

我按照本指南开始使用

1.1.0-beta01

。

这将启动应用程序但不显示预览，与所有其他稳定版本相同 -

1.2.2

、

1.2.1

、

1.2.0

我尝试了最新版本 -

1.3.0-alpha05

导致重复类错误 -

Duplicate class kotlin.collections.jdk8.CollectionsJDK8Kt found in modules jetified-kotlin-stdlib-1.8.10 (org.jetbrains.kotlin:kotlin-stdlib:1.8.10) and jetified-kotlin-stdlib-jdk8-1.7.20 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.20)
Duplicate class kotlin.internal.jdk7.JDK7PlatformImplementations found in modules jetified-kotlin-stdlib-1.8.10 (org.jetbrains.kotlin:kotlin-stdlib:1.8.10) and jetified-kotlin-stdlib-jdk7-1.7.20 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.20)
Duplicate class kotlin.internal.jdk7.JDK7PlatformImplementations$ReflectSdkVersion found in modules jetified-kotlin-stdlib-1.8.10 (org.jetbrains.kotlin:kotlin-stdlib:1.8.10) and jetified-kotlin-stdlib-jdk7-1.7.20 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.20)
Duplicate class kotlin.internal.jdk8.JDK8PlatformImplementations found in modules jetified-kotlin-stdlib-1.8.10 (org.jetbrains.kotlin:kotlin-stdlib:1.8.10) and jetified-kotlin-stdlib-jdk8-1.7.20 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.20)
Duplicate class kotlin.internal.jdk8.JDK8PlatformImplementations$ReflectSdkVersion found in modules jetified-kotlin-stdlib-1.8.10 (org.jetbrains.kotlin:kotlin-stdlib:1.8.10) and jetified-kotlin-stdlib-jdk8-1.7.20 (org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.20)
Duplicate class kotlin.io.path.DirectoryEntriesReader found in modules jetified-kotlin-stdlib-1.8.10 (org.jetbrains.kotlin:kotlin-stdlib:1.8.10) and jetified-kotlin-stdlib-jdk7-1.7.20 (org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.20)

开始预览的代码-

private fun startCamera() {
    val cameraProviderFuture = ProcessCameraProvider.getInstance(this)  

    cameraProviderFuture.addListener({
        val cameraProvider: ProcessCameraProvider = cameraProviderFuture.get()

        val preview = Preview.Builder()
            .build()
            .also {
                it.setSurfaceProvider(binding.viewFinder.surfaceProvider)
            }

        val cameraSelector = CameraSelector.Builder()
            .requireLensFacing(CameraSelector.LENS_FACING_FRONT)
            .build()

        try {
            cameraProvider.unbindAll()

            cameraProvider.bindToLifecycle(
                this as LifecycleOwner,
                cameraSelector,
                preview
            )

        } catch(exc: Exception) {
            Log.e("TAG", "Use case binding failed", exc)
        }

    }, ContextCompat.getMainExecutor(this))
}

输出日志-

D/CameraStateRegistry: Recalculating open cameras:
    Camera                                       State                 
    -------------------------------------------------------------------
    Camera@9b50fe5[id=1]                         OPEN                  
    Camera@5d56162[id=0]                         UNKNOWN               
    -------------------------------------------------------------------
    Open count: 1 (Max allowed: 1)
D/CameraStateMachine: New public camera state CameraState{type=OPEN, error=null} from OPEN and null
D/CameraStateMachine: Publishing new public camera state CameraState{type=OPEN, error=null}
D/UseCaseAttachState: All use case: [androidx.camera.core.Preview-197d57c7-7404-41af-a14a-c44035704c87242750247] for camera: 1
D/UseCaseAttachState: Active and attached use case: [androidx.camera.core.Preview-197d57c7-7404-41af-a14a-c44035704c87242750247] for camera: 1
V/FA: Inactivity, disconnecting from the service
D/Camera2CameraImpl: {Camera@9b50fe5[id=1]} Transitioning camera internal state: OPENED --> OPENED
D/CameraStateMachine: New public camera state CameraState{type=OPEN, error=StateError{code=4, cause=java.util.concurrent.TimeoutException: Cannot complete surfaceList within 5000}} from OPEN and StateError{code=4, cause=java.util.concurrent.TimeoutException: Cannot complete surfaceList within 5000}
D/CameraStateMachine: Publishing new public camera state CameraState{type=OPEN, error=StateError{code=4, cause=java.util.concurrent.TimeoutException: Cannot complete surfaceList within 5000}}
E/Camera2CameraImpl: Unable to configure camera 1, timeout!
W/System: A resource failed to call close. 

我在物理设备上运行它——API 级别 32