Hi,

Quick question: (I've already submitted to adc2)

I log in to my server using a username that I derive from either the
sim card's line1number from the TelephonyManager.getLine1Number() or
if that is null then the device id from Settings.Secure.getString
(getContentResolver(), Settings.Secure.ANDROID_ID); Ok, now everything
seemed fine till one of my testers logged in with a blank string id!
I've assumed its a special case with the sim card and hence have added
a check for userId.trim().equals("") to switch to grabbing to device
id, but this is going to keep me up at night because I haven't been
able to replicate it and it could potentially knock me out of the
competition (people can't log in!). Has anyone encountered something
like this before?

Cheers and goodluck in adc2!
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