@Override public void onManagerConnected(int status) { switch (status) { case LoaderCallbackInterface.SUCCESS: { Log.i(TAG, "OpenCV loaded successfully"); try { // load cascade file from application resources InputStream is = getResources().openRawResource(R.raw.lbpcascade_frontalface); File cascadeDir = getDir("cascade", Context.MODE_PRIVATE); mCascadeFile = new File(cascadeDir, "lbpcascade_frontalface.xml"); FileOutputStream os = new FileOutputStream(mCascadeFile); byte[] buffer = new byte[4096]; int bytesRead; while ((bytesRead = is.read(buffer)) != -1) { os.write(buffer, 0, bytesRead); } is.close(); os.close(); // --------------------------------- load left eye // classificator ----------------------------------- InputStream iser = getResources().openRawResource(R.raw.haarcascade_lefteye_2splits); File cascadeDirER = getDir("cascadeER", Context.MODE_PRIVATE); File cascadeFileER = new File(cascadeDirER, "haarcascade_eye_right.xml"); FileOutputStream oser = new FileOutputStream(cascadeFileER); byte[] bufferER = new byte[4096]; int bytesReadER; while ((bytesReadER = iser.read(bufferER)) != -1) { oser.write(bufferER, 0, bytesReadER); } iser.close(); oser.close(); mJavaDetector = new CascadeClassifier(mCascadeFile.getAbsolutePath()); if (mJavaDetector.empty()) { Log.e(TAG, "Failed to load cascade classifier"); mJavaDetector = null; } else Log.i(TAG, "Loaded cascade classifier from " + mCascadeFile.getAbsolutePath()); mJavaDetectorEye = new CascadeClassifier(cascadeFileER.getAbsolutePath()); if (mJavaDetectorEye.empty()) { Log.e(TAG, "Failed to load cascade classifier"); mJavaDetectorEye = null; } else Log.i(TAG, "Loaded cascade classifier from " + mCascadeFile.getAbsolutePath()); cascadeDir.delete(); } catch (IOException e) { e.printStackTrace(); Log.e(TAG, "Failed to load cascade. Exception thrown: " + e); } mOpenCvCameraView.setCameraIndex(1); mOpenCvCameraView.enableFpsMeter(); mOpenCvCameraView.enableView(); } break; default: { super.onManagerConnected(status); } break; } }