public void setMaxZoom(int maxZoom) {
    if (mMaxZoom != maxZoom && maxZoom > 0) {
      mMaxZoom = maxZoom;
      handleCropWindowChanged(false, false);
      mCropOverlayView.invalidate();
    }
  }
The max zoom allowed during cropping.
core/src/main/java/com/theartofdev/edmodo/cropper/CropImageView.java