title: How to download and use ShareCompat library
body: <p>I need to share some text from my app to google plus and I googled and found many links saying<br>
  to use ShareCompat and i found this code sample </p>
  
  <pre><code>     Intent shareIntent = ShareCompat.IntentBuilder.from(ShareActivity.this)
  .setText("This site has lots of great information about Android!
    http://www.android.com")
  .setType("text/plain")
  .getIntent()
  .setPackage("com.google.android.apps.plus");
  
   startActivity(shareIntent);
  </code></pre>
  
  <p>But i want to know from where to download this ShareCompat API. Any one please can provide a link for this. Any kind of help will be appreciated. 
  Many thanks,
  Mona</p>