致命异常：java.lang.RuntimeException

Question

我该如何解决此错误，为什么会导致该问题？我怎么解决该错误，为什么会导致该问题？

Fatal Exception: java.lang.RuntimeException: getParameters failed (empty parameters)
   at android.hardware.Camera.native_getParameters(Camera.java)
   at android.hardware.Camera.getParameters(Camera.java:2234)
   at me.dm7.barcodescanner.core.CameraUtils.a(CameraUtils.java:3)
   at me.dm7.barcodescanner.core.BarcodeScannerView.setFlash(BarcodeScannerView.java:12)
   at me.dm7.barcodescanner.core.BarcodeScannerView.setupCameraPreview(BarcodeScannerView.java:22)
   at me.dm7.barcodescanner.core.CameraHandlerThread$1$1.run(CameraHandlerThread.java:18)
   at android.os.Handler.handleCallback(Handler.java:873)
   at android.os.Handler.dispatchMessage(Handler.java:99)
   at android.os.Looper.loop(Looper.java:193)
   at android.app.ActivityThread.main(ActivityThread.java:6692)
   at java.lang.reflect.Method.invoke(Method.java)
   at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)