Delete button on pop up does not work

[GoogleCodeExporter]

What steps will reproduce the problem?
1.On button configuration, I have added a Delete option for button 3.
2.When a new message arrives,on its pop up i now have 3 
options,Inbox,Reply,Delete.
3.When I select Delete, the pop up vanishes, but on the inbox i can still the 
supposedly deleted message.

What is the expected output? What do you see instead?
Deleted messages on pop ups should be really deleted in Inbox too.

What version of the product are you using? On what operating system?
SMS Popup v1.3.0, Android Kitkat Version 4.4.4

Please provide any additional information below.

Original issue reported on code.google.com by dindojay...@gmail.com on 12 Mar 2015 at 1:42