Hello Everyone! I have a very simple AlertDialog, only with a "Processing ..." message. There are no buttons, no title or anything. I show it when going from one Activity to another because the second one makes some queries to the BD and it takes time to appear. In fact, that works wonderfully. The problem is that if I go back to the first activity, the AlertDialog is still active. In particular, my question is: Is there a way to close the AlertDialog of the first Activity FROM the second Activity? Thanks in advance.