title: copy db file with adb pull results in 'permission denied' error
body: <p>I just rooted my Nexus 5 using this method: <a href="http://www.phonearena.com/news/How-to-root-Google-Nexus-5_id49014" rel="noreferrer">http://www.phonearena.com/news/How-to-root-Google-Nexus-5_id49014</a></p>
  
  <p>I also enabled USB debugging in the developer options.</p>
  
  <p>Then I tried to pull a database file from my device using this command:  </p>
  
  <pre><code>adb pull /data/data/path.to.package/databases/data /sdcard/test
  </code></pre>
  
  <p>I get <code>permission denied</code> error.</p>
  
  <p>I don't have the debugged flag set in that app I tried to access. Is that the reason I can't access that file? If yes, are there any workarounds to access an apps files?</p>