title: Shared Preferences differences
body: <p>1) What is the difference between</p>
  
  <pre><code>PreferenceManager.getDefaultSharedPreferences(context)
  </code></pre>
  
  <p>and</p>
  
  <pre><code>getSharedPreferences(name, mode)
  </code></pre>
  
  <p>2) And what does each of them do?</p>
  
  <p>3) And how can I make a  setting screen (Activity)?</p>