if (requestCode == SELECT_GALLERY_CODE
                && resultCode == Activity.RESULT_OK) {
            Uri selectedImageUri = data.getData();

                imgView = (ImageView) findViewById(R.id.imageView);
                Bitmap imageBitmap = getOriginalBitMap(selectedImageUri);


                Frame frame = new Frame.Builder().setBitmap(imageBitmap).build();
                Detector<com.google.android.gms.vision.face.Face> detector = new com.google.android.gms.vision.face.FaceDetector.Builder(getApplicationContext())
                        .setTrackingEnabled(false)
                        .setLandmarkType(com.google.android.gms.vision.face.FaceDetector.ALL_LANDMARKS)
                        .setClassificationType(com.google.android.gms.vision.face.FaceDetector.ALL_CLASSIFICATIONS)
                        .build();
                SparseArray<com.google.android.gms.vision.face.Face> faces = detector.detect(frame);
                txtNumPeople.setText("" + faces.size());

                for (int i = 0; i < faces.size(); i++) {
                    com.google.android.gms.vision.face.Face eachFace = faces.valueAt(i);
                    drawBox(imageBitmap, eachFace.getPosition(), eachFace.getHeight(), eachFace.getWidth());
                }

                Frame barcodeFrame = new Frame.Builder().setBitmap(imageBitmap).build();
                BarcodeDetector barcodeDetector = new BarcodeDetector.Builder(getApplicationContext())
                        .setBarcodeFormats(Barcode.ALL_FORMATS).build();
                SparseArray<Barcode> barcodes = barcodeDetector.detect(barcodeFrame);
                if (barcodes.size() > 0) {
                    txtBarcode.setText("Yes");
                } else {
                    txtBarcode.setText("No");
                }

                imgView.setImageBitmap(mFaceBitmap);
            }