MainScan.java

private static final int OPEN_THING = 99; 
public void openGallery() {
        int preference = ScanConstants.OPEN_MEDIA;
        Intent intent = new Intent(this, ScanActivity.class);
        intent.putExtra(ScanConstants.OPEN_INTENT_PREFERENCE, preference);
        startActivityForResult(intent, OPEN_THING);
    }

    public void openCamera() {
        int preference = ScanConstants.OPEN_CAMERA;
        Intent intent = new Intent(this, ScanActivity.class);
        intent.putExtra(ScanConstants.OPEN_INTENT_PREFERENCE, preference);
        startActivityForResult(intent, OPEN_THING);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == Activity.RESULT_OK && data != null) {
            if (requestCode == OPEN_THING) {
                Uri uri = data.getExtras().getParcelable(ScanConstants.SCANNED_RESULT);
                Bitmap bitmap = null;
                try {
                    bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), uri);
                    getContentResolver().delete(uri, null, null);
                    scannedImageView.setImageBitmap(bitmap);
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }