title: demo for DKImagePickerController
body: <p>I am developing a collage app, for that i am using <code>DKImagePickerController</code> to select multiple images at a time. Github link for <code>pod</code> is https://github.com/zhangao0086/DKImagePickerController</p>
  <p>I am following the documentation and getting an error-</p>
  <blockquote>
  <p>Use of undeclared type 'DKAssets'</p>
  </blockquote>
  <p>on stackoverflow i got this link https://stackoverflow.com/questions/35270303/use-of-undeclared-type-dkasset-use-of-unresolved-identifier-dkimagepickercon for the same question, but that didn't help me.</p>