[crash] Error opening camera with id 0 about cameraview-ex HOT 9 CLOSED

@iulian0512 in your layout file, either width or height should be wrap_content.

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@pvasa

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@yangchendev this seems to be like device specific issue. Have you tried running sample app on the same device?

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Hi @pvasa , I got the same issue, on Pixel API 27 1080x1920:420dpi (Android 8.1 Google play) x86 emulator.

com.priyankvasa.android.cameraviewex.CameraViewException: Error opening camera with id 0 (error: 4)
at com.priyankvasa.android.cameraviewex.Camera2$cameraDeviceCallback$2$1.onError(Camera2.kt:149)
at android.hardware.camera2.impl.CameraDeviceImpl$CameraDeviceCallbacks.notifyError(CameraDeviceImpl.java:1929)
at android.hardware.camera2.impl.CameraDeviceImpl$CameraDeviceCallbacks.lambda$Sm85frAzwGZVMAK-NE_gwckYXVQ(Unknown Source:0)
at android.hardware.camera2.impl.-$$Lambda$CameraDeviceImpl$CameraDeviceCallbacks$Sm85frAzwGZVMAK-NE_gwckYXVQ.accept(Unknown Source:8)
at com.android.internal.util.function.pooled.PooledLambdaImpl.doInvoke(PooledLambdaImpl.java:258)
at com.android.internal.util.function.pooled.PooledLambdaImpl.invoke(PooledLambdaImpl.java:182)
at com.android.internal.util.function.pooled.OmniFunction.run(OmniFunction.java:77)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:214)
at android.os.HandlerThread.run(HandlerThread.java:65)

The error: 4 is the ERROR_CAMERA_DEVICE, please look here for more details.

I tried running Sample app as well, and got another exception:
com.priyankvasa.android.cameraviewex.debug E/CameraCaptureSession: Session 0: Exception while stopping repeating:
android.hardware.camera2.CameraAccessException: CAMERA_ERROR (3): The camera device has encountered a serious error
at android.hardware.camera2.impl.CameraDeviceImpl.checkIfCameraClosedOrInError(CameraDeviceImpl.java:2188)
at android.hardware.camera2.impl.CameraDeviceImpl.stopRepeating(CameraDeviceImpl.java:988)
at android.hardware.camera2.impl.CameraCaptureSessionImpl.close(CameraCaptureSessionImpl.java:394)
at android.hardware.camera2.impl.CameraCaptureSessionImpl$2.onDisconnected(CameraCaptureSessionImpl.java:574)
at android.hardware.camera2.impl.CameraDeviceImpl$7.run(CameraDeviceImpl.java:233)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:164)
at android.os.HandlerThread.run(HandlerThread.java:65)

You can find more info here

Could you please have a look and let me know if this is related to cameraview-ex and some fix should be done.

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@rubensim the issues that you're seeing are because of using the lib on an emulator. The lib does not support emulator.

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i have this issue on Galaxy S8 Android 9

Fatal Exception: com.priyankvasa.android.cameraviewex.CameraViewException: Error opening camera with id 0 (error: 3) at com.priyankvasa.android.cameraviewex.Camera2$cameraDeviceCallback$2$1.onError + 145(Camera2.kt:145) at android.hardware.camera2.impl.CameraDeviceImpl$CameraDeviceCallbacks.notifyError + 1929(CameraDeviceImpl.java:1929) at android.hardware.camera2.impl.CameraDeviceImpl$CameraDeviceCallbacks.lambda$Sm85frAzwGZVMAK-NE_gwckYXVQ(Unknown Source) at android.hardware.camera2.impl.-$$Lambda$CameraDeviceImpl$CameraDeviceCallbacks$Sm85frAzwGZVMAK-NE_gwckYXVQ.accept + 8(Unknown Source:8) at com.android.internal.util.function.pooled.PooledLambdaImpl.doInvoke + 258(PooledLambdaImpl.java:258) at com.android.internal.util.function.pooled.PooledLambdaImpl.invoke + 182(PooledLambdaImpl.java:182) at com.android.internal.util.function.pooled.OmniFunction.run + 77(OmniFunction.java:77) at android.os.Handler.handleCallback + 873(Handler.java:873) at android.os.Handler.dispatchMessage + 99(Handler.java:99) at android.os.Looper.loop + 214(Looper.java:214) at android.os.HandlerThread.run + 65(HandlerThread.java:65)

layout file:

`

<com.priyankvasa.android.cameraviewex.CameraView

    android:id="@+id/fragpvocrcamera"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:adjustViewBounds="true"
    android:keepScreenOn="true"
    app:aspectRatio="4:3"
    app:autoFocus="continuous_picture"
    app:awb="auto"
    app:cameraMode="continuous_frame|single_capture"
    app:facing="back"
    app:flash="auto"
    app:jpegQuality="high"
    app:noiseReduction="high_quality"
    app:opticalStabilization="true"
    app:outputFormat="jpeg"
    app:pinchToZoom="false"
    app:shutter="short_time"
    app:touchToFocus="false"
    app:zsl="true" />

thanks for your effort to provide us with a simple & easy to use camera library.

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This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

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Closed due to inactivity.

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I've had some reports about this issue, devices are Samsung Galaxy A20e and Galaxy A40, both with Android 9. The OS version seems to be the common factor. In my case I had also errors with device id = 1, but always error code 4 (ERROR_CAMERA_DEVICE). The current workaround is to use cameraView.addCameraErrorListener to handle the error in a non-fatal way.

Edit1: Also, this started happening after updating from version 2.3.0 to version 3.4.3.

Edit2: I am starting the cameraView with facing = FRONT, and I get this error for camera id 0, which is the rear camera. In fact, the preview for the front camera (id 1) actually starts fine. Moreover, if I switch to rear camera, it works fine. In my case it seems it tries to start both front and rear camera, with the result that the front camera runs fine and an error is thrown for the rear camera.

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