 <p>Have you read about Android's <code>Application</code> class?</p> <ul> <li><a href="http://developer.android.com/reference/android/app/Application.html" rel="nofollow noreferrer">Application</a>'s javadoc</li> <li><a href="http://stackoverflow.com/questions/2040691/sharing-domain-objects-between-activities">sharing-domain-objects-between-activities</a>.</li> </ul>