title: Try to load image with Highgui.imread (OpenCV + Android)
body: <p>I try to load an image:</p>
  
  <pre><code>    File root = Environment.getExternalStorageDirectory();
      File file = new File(root, "image.gif");
      Mat m = Highgui.imread(file.getAbsolutePath());
      if(file.exists()){
          showToast("Height: " + m.height() + " Width: " + m.width());
      }
  </code></pre>
  
  <p>But the size=0 (height/width).</p>