USB to Android Device

When attaching Android devices on Ubuntu system, they mayn't be recognized by adb directly. Therefore, extra steps are needed to make them ready for usage.

1. figure out the device id by lsusb, refer to https://askubuntu.com/questions/166420/how-to-detect-an-usb-device

How to detect an USB device?

I got a scenario, where a software works only when you insert the USB device provided by the software vendor in windows operating system. Im trying to find the content stored in the USB device. In

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# device list
Bus 006 Device 006: ID 18d1:4ee1 Google Inc. Nexus/Pixel Device (MTP)

2. set up device detection on Ubuntu Linux, refer to https://askubuntu.com/questions/863587/adb-device-list-doesnt-show-phone

find or create /etc/udev/rules.d/51-android.rules file, then add a line for the target device. If you do not know your vendor ID, you can get this from lsusb, it is the string after ID. If lsusb doesn't report your device, try checking grep USB /var/log/kern.log | less for vendor ID (for example, a line New USB device found, idVendor=1bbb, idProduct=0167).

Take care: one vendor has one {idVendor} and {idProduct} for a series of products. For instance, Pixel6 and Pixel8 pro. have shared idVendor and idProduct, so you can check lsusb output and just add one line for Google Pixel devices.

SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="4ee1", MODE="0666" GROUP="androiddev", SYMLINK+="android%n"

Extra error: when using emulators on ubuntu, you may meet with the issue '/dev/kvm' device permission denied. Please refer to https://stackoverflow.com/questions/37300811/android-studio-dev-kvm-device-permission-denied

Android Studio: /dev/kvm device permission denied

When I try to run my Android app on an emulator I get this error: /dev/kvm permission denied. I checked the permissions and added the user I am currently logged in with to the kvm group. What…

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