Bash script to obtain android device ids with human readable names

adbdevices

#!/bin/bash
# Copyright (c) 2016 Anton Novikau
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

set -e

get_info(){
  # run 'adb devices' to obtain all connected android devices
  local devices=$(adb devices | grep -v offline | tail -n +2 | cut -sf 1)
  for d in ${devices[*]}; do
    # iterate over all connected devices and for each of them check if this is an emulator or real device.
    # Some emulators have characteristics 'default' that doesn't identify them as emulators.
    # In this case we try to check if qemu is active on such device (may not work properly for arm emulator).
    local char=$(adb -s ${d} shell getprop 'ro.build.characteristics' | tr -d '\r')
    local is_qemu=$(adb -s ${d} shell getprop 'ro.kernel.qemu' | tr -d '\r')
    # genymotion is qemu based emulator but has all its characteristics as a real device
    # so no need to telnet it to obtain a name
    local is_geny=$(adb -s ${d} shell getprop 'ro.genymotion.version' | tr -d '\r')
    if [ "$char" == "emulator" ] || ([ "$is_qemu" == "1" ] && [ -z "$is_geny" ]); then
      # android emulator name always contains a port (eg. emulator-5554)
      local port=$(echo "$d"|sed 's/emulator-//g')
      # to get emulator name it is necessary to connect to this device using telnet and parse the response
      local name=`(echo 'avd name';echo 'quit') | curl "telnet://localhost:${port}" 2>/dev/null | grep -B1 'OK' | tail -2 | head -1`
    else
      # all real devices contain the neccessary info in the following system properties: 
      # ro.product.manufacturer (eg. Samsung, LGE, Motorolla, etc.) and ro.product.model (Nexus 5, Nexus 5X, etc.)
      local manufact=$(adb -s ${d} shell getprop 'ro.product.manufacturer' | tr -d '\r' | awk '{for(i=1;i<=NF;i++){ $i=toupper(substr($i,1,1)) substr($i,2) }}1')
      local model=$(adb -s ${d} shell getprop 'ro.product.model' | tr -d '\r')
      local name="${manufact} ${model}"
    fi

    # print device id and human readable name
    printf '%-30s %s\n' "$d" "$name"
  done
}

INFO="$(get_info)"

if [ -n "$INFO" ]; then
  # print devices info as a table with columns: ID and NAME
  printf '\e[4m%s\e[0m%-29s\e[4m%s\n\e[0m' "ID" " " "NAME"
  echo
  echo -e "$INFO"
else
  echo "No connected devices found."
fi