Obtain packcage name using id
<p>I am using this example: <a href="http://stackoverflow.com/questions/2549763/how-to-inform-an-activity-that-another-activity-was-just-started/9331841#9331841">How to inform an Activity that another Activity was just started?</a> for applications that are opening and closing, but my question is, how I can get the package name using the id that I receive?</p>
