java.lang.RuntimeException

An error occured while executing doInBackground()

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  • Stack trace

    • java.lang.RuntimeException: An error occured while executing doInBackground() at android.os.AsyncTask$3.done(AsyncTask.java:300) at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355) at java.util.concurrent.FutureTask.setException(FutureTask.java:222) at java.util.concurrent.FutureTask.run(FutureTask.java:242) at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) at java.lang.Thread.run(Thread.java:841) Caused by: java.lang.RuntimeException: Fail to connect to camera service at android.hardware.Camera.native_setup(Native Method) at android.hardware.Camera.<init>(Camera.java:351) at android.hardware.Camera.open(Camera.java:325) at com.example.android.videocapture.MainActivity.prepareVideoRecorder(MainActivity.java:78) at com.example.android.videocapture.MainActivity.access$000(MainActivity.java:22) at com.example.android.videocapture.MainActivity$MediaPrepareTask.doInBackground(MainActivity.java:183) at com.example.android.videocapture.MainActivity$MediaPrepareTask.doInBackground(MainActivity.java:180) at android.os.AsyncTask$2.call(AsyncTask.java:288) at java.util.concurrent.FutureTask.run(FutureTask.java:237) ... 4 more

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