title: Android: Library MaterialBarcodeScanner which uses Google Mobile Vision API does not autofocus for Samsung J1
body: <p>MaterialBarcodeScanner which uses Google Mobile Vision API does not autofocus for Samsung J1 but when using Zxing library its working fine.Same code works for other higher version API (Tested onSamsung A5).</p>
  
  <p>Im refering to link:
  <a href="https://github.com/EdwardvanRaak/MaterialBarcodeScanner" rel="nofollow noreferrer">https://github.com/EdwardvanRaak/MaterialBarcodeScanner</a></p>
  
  <p>I went through many posts which suggests changing Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE to FOCUS_MODE_CONTINUOUS_VIDEO and FOCUS_MODE_AUTO. But Thats not working.</p>
  
  <p>Please help. Not understanding what could be the reason for autofocus not to work.</p>