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: Can't create handler inside thread that has not called Looper.prepare() at android.os.Handler.<init>(Handler.java:200) at android.os.Handler.<init>(Handler.java:114) at android.view.SurfaceView$1.<init>(SurfaceView.java:126) at android.view.SurfaceView.<init>(SurfaceView.java:126) at com.futerox.flashlight.CameraSurface.<init>(CameraSurface.java:49) at com.futerox.flashlight.Flash.loadParameters(Flash.java:140) at com.futerox.flashlight.Flash.enableFlash(Flash.java:199) at com.futerox.flashlight.SmsReceiver$ManageFlash.doInBackground(SmsReceiver.java:73) at com.futerox.flashlight.SmsReceiver$ManageFlash.doInBackground(SmsReceiver.java:50) at android.os.AsyncTask$2.call(AsyncTask.java:288) at java.util.concurrent.FutureTask.run(FutureTask.java:237) ... 4 more

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