title: Get Extras in Single Instance Mode
body: <p>I want to put some extras with putextras(,) in notification , 
  but my activity is in <strong>Single Instance</strong> Mode and in OnResume I can not get any extras .
  how can I solve this problem ?</p>
  
  <pre><code>intent.putExtra("keyboard", false);
  
  //
  
  if (getIntent().hasExtra("keyboard")) {
  
              if (getIntent().getBooleanExtra("keyboard", true) == false) {
                  _HideKeyaboard();
  
              }
          }
  </code></pre>
  
  <p>I receive null on get extras .</p>