public void setAutoZoomEnabled(boolean autoZoomEnabled) {
    if (mAutoZoomEnabled != autoZoomEnabled) {
      mAutoZoomEnabled = autoZoomEnabled;
      handleCropWindowChanged(false, false);
      mCropOverlayView.invalidate();
    }
  }
Set auto-zoom functionality to enabled/disabled.
core/src/main/java/com/theartofdev/edmodo/cropper/CropImageView.java