title: Read array on sharedpreferences
body: <p>im using MultiSelectListPreference and the values save on array..</p>
  
  <p>How can read??</p>
  
  <pre><code>    SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
      Set&lt;String&gt; a = pref.getStringSet("tabs", null);
  
      for ( int i = 0; i &lt; a.size(); i++) {
          Log.d("salida", a[i]);
      }
  </code></pre>
  
  <p>i get this error: The type of the expression must be an array type but it resolved to Set</p>