Camera not showing anything

[Ornolfr]

Everytime it tries to scan frame I see the following in the logcat:

E/BarcodeFinder: failed reading captured image
                                                                                    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.graphics.Bitmap.copyPixelsToBuffer(java.nio.Buffer)' on a null object reference
                                                                                        at dk.schaumburgit.trackingbarcodescanner.LuminanceSourceFactory.uncompress(LuminanceSourceFactory.java:99)
                                                                                        at dk.schaumburgit.trackingbarcodescanner.LuminanceSourceFactory.getLuminanceSource(LuminanceSourceFactory.java:79)
                                                                                        at dk.schaumburgit.trackingbarcodescanner.TrackingBarcodeScanner.DecodeImage(TrackingBarcodeScanner.java:121)
                                                                                        at dk.schaumburgit.fastbarcodescanner.FastBarcodeScanner.processSingleJpeg(FastBarcodeScanner.java:421)
                                                                                        at dk.schaumburgit.fastbarcodescanner.FastBarcodeScanner.access$200(FastBarcodeScanner.java:69)
                                                                                        at dk.schaumburgit.fastbarcodescanner.FastBarcodeScanner$1.onJpegImageAvailable(FastBarcodeScanner.java:248)
                                                                                        at dk.schaumburgit.stillsequencecamera.camera.StillSequenceCamera$2$1.run(StillSequenceCamera.java:343)
                                                                                        at android.os.Handler.handleCallback(Handler.java:739)
                                                                                        at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                                        at android.os.Looper.loop(Looper.java:135)
                                                                                        at android.os.HandlerThread.run(HandlerThread.java:61)

Barcode also isn't being actually scanned. Even in your demo app.