Starts an existing android emulator and waits for it to be ready

android_emulator.sh

#!/bin/bash
DEVICE_WAIT_TIMEOUT='3m'

function start_emulator_and_unlock_screen {
  emulator_name=$1
  shift
  emulator_options=$*
  check_emu_name $emulator_name

  $ANDROID_HOME/tools/emulator @$emulator_name $emulator_options &
  EMULATOR_ID=$!

  wait_for_device
  echo "Android emulator is started with PID $EMULATOR_ID"
  
  #uncomment if device has a lockscreen enabled
  #$ANDROID_HOME/platform-tools/adb shell input keyevent 82
}

#TODO: use android list avd to check that the name is an existing AVD
function check_emu_name {
  if [ -z "$1" ]
  then
    echo "The first parameter must be the name of an existing AVD"
    exit
  fi
}

function wait_for_device {
  echo 'Waiting for Android device to be started/connected'
  timeout $DEVICE_WAIT_TIMEOUT $ANDROID_HOME/platform-tools/adb wait-for-device
}

start_emulator_and_unlock_screen $*