public void getCroppedImageAsync() {
    getCroppedImageAsync(0, 0, RequestSizeOptions.NONE);
  }
Gets the cropped image based on the current crop window.<br>
The result will be invoked to listener set by {@link
#setOnCropImageCompleteListener(OnCropImageCompleteListener)}.
core/src/main/java/com/theartofdev/edmodo/cropper/CropImageView.java