I am trying to implement an OAuth2 flow with an Android Chrome Custom Tab but my app is always closed (no crash) when the Chrome Custom Tab is receiving the 302 with the loc
I'm pretty sure this is the result of a bug in Chrome. I updated all of my devices (GS6, GS7, Nexus 7 and Nexus 9) to the latest version of Chrome and my app is no longer minimized when the redirect occurs.
I just discovered this today (11/3/2016) so I don't yet have any information about the specific bug or its subsequent resolution. This is just what I've noticed.
Hope that helps!