How to manage Runtime permissions android marshmallow espresso tests

Question

I\'m using espresso for testing but sometimes I try to get an image form external storage and with marshmallow I need a Runtime permission otherwise there will be an Excepti

Answer 1

adb install -g package.apk

I had a similar issue in automated testing: when launching the app the permission dialog popped up. The adb shell pm grant … command did not help but there is the -g option of adb install to grant all permissions upon install. This solved the problem for me.

From adb --help:

Android Debug Bridge version 1.0.41
Version 30.0.5-6877874
[…]
app installation (see also `adb shell cmd package help`):
 install [-lrtsdg] [--instant] PACKAGE
     push a single package to the device and install it
[…]
    -g: grant all runtime permissions
[…]