Still can't find a solution for “INTERACT_ACROSS_USERS_FULL”

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January 13, 2018, at 09:32 AM

This issue is related to a previous topic. I have an app with a Google Play fragment and it shows blank when opened.

When I have my phone connected to 'Android Studio', and install the app directly via USB (or WIFI) from 'AS', it works without any problem now.

However, when I install the alpha app released on Google Play, the map shows blank again...

I connected the phone and used Logcat for this. When I open the maps, I get

java.lang.SecurityException: Permission Denial: get/set setting for user asks to run as user -2 but is calling from user 0; this requires android.permission.INTERACT_ACROSS_USERS_FULL

I saw here and here and here that it is a matter of Signature level permission and I tried to follow the advice from those threads, but the manifest change doesn't seem to work and I don't understand how to implement the bellow advice:

As the answer mentions, we cannot add this permission to our Android Manifest file unless your app is able to access system level signatures on your device. In other words (a.f.a.i.k.), this feature can only be used by the device OEMs

Did anyone encounter this particular issue with 'Google Maps' and found a solution? And how to access system level signature to the different phones that will contain my app. Can anyone guide me through this, please? I'm a beginner in this field.

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