[Solved] Android adb works with root, but not regular user

[solamour]

I have the following setup.

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# cat /etc/udev/rules.d/51-android.rules 
SUBSYSTEM=="usb", SYSFS{idVendor}=="1004", MODE="0666"

When I try adb command with the root user, everything works perfectly.

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# adb devices
List of devices attached
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
LGLS676efd4ee0f device

At this point, the adb daemon is running, so even regular users can use the adb command as well.

But if I start with a regular user, I can't proceed any further due to lack of permissions.

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$ adb devices
List of devices attached
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
LGLS676efd4ee0f no permissions

$ adb shell
error: insufficient permissions for device

I tried adding GROUP="plugdev" in "51-android.rules" and add "plugdev" group the regular user, but that didn't help either. I'd appreciate any help or suggestions.
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sol

[pjp]

android group?

[solamour]

android group?

Agreed. Looks like most Android people use Ubuntu, and although I don't believe it's gentoo specific, I threw in the question here simply because gentoo folks are the most knowledgeable bunch. Feel free to remove the post if it's irrelevant.
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sol

[pjp]

I meant add the user to the android group.

I have the android group on one of my systems, and the only reason I can imagine it is there is due to having android-studio installed.

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$ adb devices
List of devices attached
* daemon not running. starting it now on port 5037 *
* daemon started successfully *

$ groups |grep -c android
1

[fedeliallalinea]

I have the android group on one of my systems, and the only reason I can imagine it is there is due to having android-studio installed.

android group is created by dev-util/android-sdk-update-manager package

[solamour]

I'm not entirely sure what fixed it, but as others pointed out, I suspect it was the group issue. Here is what I did.

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/etc/udev/rules.d/51-android.rules
SUBSYSTEM=="usb", ATTR{idVendor}=="1004", GROUP="plugdev"

usermod -a -G plugdev REGULAR_USER'S_ID
udevadm trigger

Log out and log in again from the regular user, just for the good measure.

Curiously, one of my other machines that I recently setup doesn't have "plugdev" group, so being a lazy bum that I am, I just used "wheel" and that worked out OK as well. I also don't have "android" group either, most likely because I just downloaded the Android SDK from Google, not from Portage.

Thank you everyone for taking time to share your thoughts.
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sol