We just updated an app from 1.2 to 4.0, and saw the number of unique visitors immediately spike at release. I'm trying to figure out why. We weren't setting the visitor id before, and aren't (intentionally) now either. To make sure I did a string search on the codebase and didn't find any references to visitorID in the previous implementation or to setUserIdentifier in the new one. We don't clear the SharedPreferences at upgrade, we update some of our own stored strings but those would be in a s...

I've implemented Mobile App Acquisition as instructed here: https://marketing.adobe.com/resources/help/en_US/mobile/android/acquisition.html I've run into the situation where sometimes the InstallEvent request fails to pick up any of the campaign information. It is always coming through, this is apparent because I save that info when the INSTALL_REFERRER Intent is received and then add it to a custom tracking even that happens later. Instead those attributes get automatically tacked on to whatev...

In the 4.x SDK, if the app launches from the background less than five minutes from the previous launch, it counts as a resume, but past five minutes (by default) it counts as a new launch. Was it the same way in 2.x? Was there a time distinction between resume and launch, or some analogue of the lifecycleTimeout field? Also: where can I find documentation about 2.x? I have some legacy code that had it (which is no longer in production) and am frequently asked about how things have changed. Ques...