run_android.sh

export ANDROID_HOME=/Users/$USER/Library/Android/sdk
RUNNING_EMU="$($ANDROID_HOME/platform-tools/adb devices | grep emulator -c)"

if [[ $RUNNING_EMU -eq 0 ]]
then
    # If we're not given an AVD to run on let's find a suitable one to use
    if [ $# -eq 0 ]
    then
        # if Pixel exists (dev has run the setup scripts) run that
        if [ -f $HOME/.android/avd/Pixel.ini ]
        then
            echo "No AVD supplied, but Pixel exists this will be used"
            AVD='Pixel'
        else
            # Pixel AVD doesn't exist so just pick the first in the list
            echo "No AVD supplied, using first device in AVD list"
            AVD="$($ANDROID_HOME/emulator/emulator -list-avds | head -n 1)"
        fi
    else
        AVD=$1
    fi
    
    echo "Android emulator not running, starting new instance $AVD"
    nohup $ANDROID_HOME/emulator/emulator -avd $AVD &
else
    echo 'Android emulator already running so not starting new instance'
fi