Script to run Vodafone DreamLab app on Android emulator (Linux)

run_dreamlab_android_emulator.sh

#!/usr/bin/bash
#
# run_dreamlab_android_emulator.sh
#
# Script to start Vodafone DreamLab app on Android emulator to run projects
# supported by DreamLab.
#
# Run this script when you want to support cancer research with your Linux PC
# and without the limitation of DreamLab app (AC charger connected).
#
# Before run this script perform this steps:
#  - Create an Android Virtual Device with pre-installed PlayStore and set name
#    in MY_AVD_NAME variable (eg. MY_AVD_NAME="Pixel_4_API_29")
#  - Start created AVD
#  - Start Play Store (inserting Google credentials)
#  - Install Vodafone DreamLab
#     https://play.google.com/store/apps/details?id=au.com.vodafone.dreamlabapp
#  - Start Vodafone DreamLab to select a project to support
#  - Stop emulator
#  - Adjust MY_AVD_NAME and ANDROID_SDK_PATH variables.
#  - Run this script to support cancer research!
#

set -e

# MY_AVD_NAME: set avd name
MY_AVD_NAME="Pixel_4_API_29"

# ANDROID_SDK_PATH: set Android Sdk path
ANDROID_SDK_PATH="$HOME/Android/Sdk"

# global vars for emulator
EMULATOR_LIB_PATH="$ANDROID_SDK_PATH/emulator/lib64"
QT_EMU_LIB="$ANDROID_SDK_PATH/emulator/lib64/qt/lib"

export LD_LIBRARY_PATH="$QT_EMU_LIB:$EMULATOR_LIB_PATH:$LD_LIBRARY_PATH"

EMULATOR="$ANDROID_SDK_PATH/emulator/qemu/linux-x86_64/qemu-system-x86_64"
ADB="$ANDROID_SDK_PATH/platform-tools/adb"


echo "Ensure adb is started"
$ADB start-server

echo "Clean pending operation"
rm -f $HOME/.android/avd/$MY_AVD_NAME.avd/*.lock

echo "Starting emulator ... "
$EMULATOR \
  -no-snapshot \
  -ranchu \
  -cores 4 \
  -memory 2048 \
  -netdelay none \
  -netfast \
  -netspeed full \
  -no-boot-anim \
  -no-window \
  -no-audio \
  -camera-back none \
  -camera-front none \
  -avd $MY_AVD_NAME \
  &>/dev/null &

EMULATOR_PID=$!

# wait device is ready
$ADB wait-for-device shell 'while [[ -z $(getprop sys.boot_completed) ]]; do sleep 1; done; input keyevent 82'

echo "Emulator ready!"

# get device serial matching avd name
DEVICE_SERIAL=""
for line in $($ADB devices | grep emulator | cut -f1); do
    # get AVD name from adb emu shell
    AVD_NAME=$($ADB -s $line emu avd name  | head -1 | dos2unix )  
    if [[ "$MY_AVD_NAME" == "$AVD_NAME" ]] ; then
            DEVICE_SERIAL=$line
    fi
done

# set AC powered
echo "Set AC powered DONE!"
$ADB shell dumpsys battery set ac 1

# set battery charging
echo "Set battery state CHARGING DONE!"
$ADB shell dumpsys battery set status 3

echo "Starting Vodafone DreamLab ..."
# start au.com.vodafone.dreamlabapp simulating tap
$ADB shell monkey -p "au.com.vodafone.dreamlabapp" -c "android.intent.category.LAUNCHER" 1 &>/dev/null
echo "Started Vodafone DreamLab!"
sleep 10

echo "Lock screen to decrease CPU usage"
$ADB shell input keyevent 26 &>/dev/null


trap_handler()
{
    echo "Exiting tasks ..."

    # kill emulator
    $ADB -s "$line" emu kill
    echo "Emulator killed"

    #$ADB kill-server
    #echo "adb server killed"
}


# wait SIGINT to kill script
echo "Waiting exit signal (Ctrl+c or SIGTERM)..."
trap trap_handler SIGINT SIGTERM

wait $EMULATOR_PID
sleep 3
echo "Bye Bye"