title: Blur Background Behind AlertDialog
body: <p>As we know from API 14 the Below Blur has been deprecated </p>
  
  <pre><code>dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND); 
  </code></pre>
  
  <p>Is there any alternative for this to make the Screen Blur behind Dialog 
  I have tried <a href="https://stackoverflow.com/questions/2067955/fast-bitmap-blur-for-android-sdk%22FAST%20BLUR%22">FAST blur</a></p>