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[BUG] Calling CameraProvider.RefreshAvailableCameras() crashes on Android device with no cameras

Open klugerama opened this issue 5 months ago • 0 comments

Is there an existing issue for this?

  • [x] I have searched the existing issues

Did you read the "Reporting a bug" section on Contributing file?

  • [x] I have read the "Reporting a bug" section on Contributing file: https://github.com/CommunityToolkit/Maui/blob/main/CONTRIBUTING.md#reporting-a-bug

Current Behavior

On an Android device that has no cameras, calling CameraProvider.RefreshAvailableCameras() causes an uncaught androidx.camera.core.CameraUnavailableException:

FirstChanceException event raised in DefaultDomain: Java.Lang.Exception: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
 ---> AndroidX.Camera.Core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
 ---> AndroidX.Camera.Core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0

  --- End of managed AndroidX.Camera.Core.CameraUnavailableException stack trace ---
androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)

  --- End of managed AndroidX.Camera.Core.CameraUnavailableException stack trace ---
androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)

   Exception_EndOfInnerExceptionStack

  --- End of managed AndroidX.Camera.Core.InitializationException stack trace ---
androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

  --- End of managed AndroidX.Camera.Core.InitializationException stack trace ---
androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

   Exception_EndOfInnerExceptionStack

  --- End of managed Java.Lang.Exception stack trace ---
java.util.concurrent.ExecutionException: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.concurrent.futures.AbstractResolvableFuture.getDoneValue(AbstractResolvableFuture.java:517)
	at androidx.concurrent.futures.AbstractResolvableFuture.get(AbstractResolvableFuture.java:474)
	at androidx.concurrent.futures.CallbackToFutureAdapter$SafeFuture.get(CallbackToFutureAdapter.java:199)
	at androidx.camera.core.impl.utils.futures.FutureChain.get(FutureChain.java:155)
	at androidx.camera.core.impl.utils.futures.ChainingListenableFuture.get(ChainingListenableFuture.java:105)
	at mono.java.lang.Runnable.n_run(Native Method)
	at mono.java.lang.Runnable.run(Runnable.java:29)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:214)
	at android.app.ActivityThread.main(ActivityThread.java:7583)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

  --- End of managed Java.Lang.Exception stack trace ---
java.util.concurrent.ExecutionException: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.concurrent.futures.AbstractResolvableFuture.getDoneValue(AbstractResolvableFuture.java:517)
	at androidx.concurrent.futures.AbstractResolvableFuture.get(AbstractResolvableFuture.java:474)
	at androidx.concurrent.futures.CallbackToFutureAdapter$SafeFuture.get(CallbackToFutureAdapter.java:199)
	at androidx.camera.core.impl.utils.futures.FutureChain.get(FutureChain.java:155)
	at androidx.camera.core.impl.utils.futures.ChainingListenableFuture.get(ChainingListenableFuture.java:105)
	at mono.java.lang.Runnable.n_run(Native Method)
	at mono.java.lang.Runnable.run(Runnable.java:29)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:214)
	at android.app.ActivityThread.main(ActivityThread.java:7583)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

AppDomain.CurrentDomain.UnhandledException event raised in DefaultDomain: Java.Lang.RuntimeException: java.lang.reflect.InvocationTargetException
 ---> Java.Lang.ReflectiveOperationException: Exception_WasThrown, Java.Lang.ReflectiveOperationException
 ---> Java.Lang.Exception: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
 ---> AndroidX.Camera.Core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
 ---> AndroidX.Camera.Core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0

  --- End of managed AndroidX.Camera.Core.CameraUnavailableException stack trace ---
androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)

  --- End of managed AndroidX.Camera.Core.CameraUnavailableException stack trace ---
androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)

   Exception_EndOfInnerExceptionStack

  --- End of managed AndroidX.Camera.Core.InitializationException stack trace ---
androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

  --- End of managed AndroidX.Camera.Core.InitializationException stack trace ---
androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

   Exception_EndOfInnerExceptionStack
   at Java.Interop.JniEnvironment.InstanceMethods.CallObjectMethod(JniObjectReference , JniMethodInfo , JniArgumentValue* )
   at Java.Interop.JniPeerMembers.JniInstanceMethods.InvokeVirtualObjectMethod(String , IJavaPeerable , JniArgumentValue* )
   at AndroidX.Camera.Core.Impl.Utils.Futures.FutureChain.Get()
   at CommunityToolkit.Maui.Core.CameraProvider.<>c__DisplayClass5_0.<RefreshAvailableCameras>b__0()
   at Java.Lang.Runnable.Run()
   at Java.Lang.IRunnableInvoker.n_Run(IntPtr jnienv, IntPtr native__this)
   at Android.Runtime.JNINativeWrapper.Wrap_JniMarshal_PP_V(_JniMarshal_PP_V callback, IntPtr jnienv, IntPtr klazz)
  --- End of managed Java.Lang.Exception stack trace ---
java.util.concurrent.ExecutionException: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.concurrent.futures.AbstractResolvableFuture.getDoneValue(AbstractResolvableFuture.java:517)
	at androidx.concurrent.futures.AbstractResolvableFuture.get(AbstractResolvableFuture.java:474)
	at androidx.concurrent.futures.CallbackToFutureAdapter$SafeFuture.get(CallbackToFutureAdapter.java:199)
	at androidx.camera.core.impl.utils.futures.FutureChain.get(FutureChain.java:155)
	at androidx.camera.core.impl.utils.futures.ChainingListenableFuture.get(ChainingListenableFuture.java:105)
	at mono.java.lang.Runnable.n_run(Native Method)
	at mono.java.lang.Runnable.run(Runnable.java:29)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:214)
	at android.app.ActivityThread.main(ActivityThread.java:7583)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

  --- End of managed Java.Lang.Exception stack trace ---
java.util.concurrent.ExecutionException: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.concurrent.futures.AbstractResolvableFuture.getDoneValue(AbstractResolvableFuture.java:517)
	at androidx.concurrent.futures.AbstractResolvableFuture.get(AbstractResolvableFuture.java:474)
	at androidx.concurrent.futures.CallbackToFutureAdapter$SafeFuture.get(CallbackToFutureAdapter.java:199)
	at androidx.camera.core.impl.utils.futures.FutureChain.get(FutureChain.java:155)
	at androidx.camera.core.impl.utils.futures.ChainingListenableFuture.get(ChainingListenableFuture.java:105)
	at mono.java.lang.Runnable.n_run(Native Method)
	at mono.java.lang.Runnable.run(Runnable.java:29)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:214)
	at android.app.ActivityThread.main(ActivityThread.java:7583)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

   Exception_EndOfInnerExceptionStack

  --- End of managed Java.Lang.ReflectiveOperationException stack trace ---
java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: java.util.concurrent.ExecutionException: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.concurrent.futures.AbstractResolvableFuture.getDoneValue(AbstractResolvableFuture.java:517)
	at androidx.concurrent.futures.AbstractResolvableFuture.get(AbstractResolvableFuture.java:474)
	at androidx.concurrent.futures.CallbackToFutureAdapter$SafeFuture.get(CallbackToFutureAdapter.java:199)
	at androidx.camera.core.impl.utils.futures.FutureChain.get(FutureChain.java:155)
	at androidx.camera.core.impl.utils.futures.ChainingListenableFuture.get(ChainingListenableFuture.java:105)
	at mono.java.lang.Runnable.n_run(Native Method)
	at mono.java.lang.Runnable.run(Runnable.java:29)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:214)
	at android.app.ActivityThread.main(ActivityThread.java:7583)
	... 3 more
Caused by: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

  --- End of managed Java.Lang.ReflectiveOperationException stack trace ---
java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: java.util.concurrent.ExecutionException: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.concurrent.futures.AbstractResolvableFuture.getDoneValue(AbstractResolvableFuture.java:517)
	at androidx.concurrent.futures.AbstractResolvableFuture.get(AbstractResolvableFuture.java:474)
	at androidx.concurrent.futures.CallbackToFutureAdapter$SafeFuture.get(CallbackToFutureAdapter.java:199)
	at androidx.camera.core.impl.utils.futures.FutureChain.get(FutureChain.java:155)
	at androidx.camera.core.impl.utils.futures.ChainingListenableFuture.get(ChainingListenableFuture.java:105)
	at mono.java.lang.Runnable.n_run(Native Method)
	at mono.java.lang.Runnable.run(Runnable.java:29)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:214)
	at android.app.ActivityThread.main(ActivityThread.java:7583)
	... 3 more
Caused by: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

   Exception_EndOfInnerExceptionStack

  --- End of managed Java.Lang.RuntimeException stack trace ---
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:502)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	... 1 more
Caused by: java.util.concurrent.ExecutionException: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.concurrent.futures.AbstractResolvableFuture.getDoneValue(AbstractResolvableFuture.java:517)
	at androidx.concurrent.futures.AbstractResolvableFuture.get(AbstractResolvableFuture.java:474)
	at androidx.concurrent.futures.CallbackToFutureAdapter$SafeFuture.get(CallbackToFutureAdapter.java:199)
	at androidx.camera.core.impl.utils.futures.FutureChain.get(FutureChain.java:155)
	at androidx.camera.core.impl.utils.futures.ChainingListenableFuture.get(ChainingListenableFuture.java:105)
	at mono.java.lang.Runnable.n_run(Native Method)
	at mono.java.lang.Runnable.run(Runnable.java:29)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:214)
	at android.app.ActivityThread.main(ActivityThread.java:7583)
	... 3 more
Caused by: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

  --- End of managed Java.Lang.RuntimeException stack trace ---
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:502)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)
Caused by: java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	... 1 more
Caused by: java.util.concurrent.ExecutionException: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.concurrent.futures.AbstractResolvableFuture.getDoneValue(AbstractResolvableFuture.java:517)
	at androidx.concurrent.futures.AbstractResolvableFuture.get(AbstractResolvableFuture.java:474)
	at androidx.concurrent.futures.CallbackToFutureAdapter$SafeFuture.get(CallbackToFutureAdapter.java:199)
	at androidx.camera.core.impl.utils.futures.FutureChain.get(FutureChain.java:155)
	at androidx.camera.core.impl.utils.futures.ChainingListenableFuture.get(ChainingListenableFuture.java:105)
	at mono.java.lang.Runnable.n_run(Native Method)
	at mono.java.lang.Runnable.run(Runnable.java:29)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:214)
	at android.app.ActivityThread.main(ActivityThread.java:7583)
	... 3 more
Caused by: androidx.camera.core.InitializationException: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	at androidx.camera.core.CameraX.lambda$initAndRetryRecursively$2$androidx-camera-core-CameraX(CameraX.java:433)
	at androidx.camera.core.CameraX$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: androidx.camera.core.CameraUnavailableException: Device reporting less cameras than anticipated. On real devices: Retrying initialization might resolve temporary camera errors. On emulators: Ensure virtual camera configuration matches supported camera features as reported by PackageManager#hasSystemFeature. Available cameras: 0
	... 5 more

Expected Behavior

Exception should be caught and rethrown, or should at least be catchable within a try/catch block.

Steps To Reproduce

  1. Create an Android emulator, specifying none for both hw.camera.back and hw.camera.front
  2. Download and build https://github.com/klugerama/MCT_NoCameraCrash
  3. Run the application using the Android emulator specified above
  4. Click the button
  5. Observe the crash

Link to public reproduction project repository

https://github.com/klugerama/MCT_NoCameraCrash

Environment

- .NET MAUI CommunityToolkit: 12.1.0
- OS: Android 15.0 (tested with Pixel 7 - API 35)
- .NET MAUI: 9.0.80

Anything else?

No response

klugerama avatar Aug 04 '25 20:08 klugerama