title: Error in using FeatureDetector OpenCv Android
body: <p>Hy i would like to use opencV android for processing the image; i need to use the sift, so i write this code:</p>
  
  <pre><code>FeatureDetector featureDetector = FeatureDetector.create(FeatureDetector.FAST);
  </code></pre>
  
  <p>However i've  got this error:</p>
  
  <pre><code>java.lang.UnsatisfiedLinkError: Native method not found: org.opencv.features2d.FeatureDetector.create_0:(I)J
  </code></pre>
  
  <p>How can i fix it?</p>