public Pair<Integer, Integer> getAspectRatio() {
    return new Pair<>(mCropOverlayView.getAspectRatioX(), mCropOverlayView.getAspectRatioY());
  }
both the X and Y values of the aspectRatio.
core/src/main/java/com/theartofdev/edmodo/cropper/CropImageView.java