Build Android APK

_build-android-apk.sh

if [ -z "$1" -o -z "$2" ] ; then
    printf 'Please supply a APK name and semver string\nusage: _build-android-apk <APK_NAME> <SEMVER_STRING>'
    exit 1
fi

APK_NAME=$1
SEMVER_STRING=$2

function check_certificate(){
  # create key if not present
	if [ ! -f ../../$APK_NAME-release-key.keystore ] ; then
		printf 'No certificate found!'
		exit 1
		#keytool -genkey -v -keystore $APK_NAME-release-key.keystore -alias $APK_NAME -keyalg RSA -keysize 2048 -validity 10000
	fi
}

function signapk(){
  check_certificate
  
	# sign build
	printf '\n> sign apk\n'
	jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore $APK_NAME-release-key.keystore $1 $APK_NAME

	# zipalign build
	printf '\n> zipalign\n'
	zipalign -v 4 $1 build/outputs/apk/$APK_NAME-$SEMVER_STRING.apk
}

# only sign an already existant APK
if [ "$3" = "--apk" ] ; then
	printf '\n> move to platforms/android'
	cd platforms/android

	signapk $4
	printf "\nAPK should be in build/outputs/apk/$APK_NAME-$SEMVER_STRING.apk"
	exit 0
fi

if [ -d platforms/android ] ; then
	printf '> making sure we have the right permissions'
	sudo chown -R $USER platforms/android
	sudo chown -R $USER plugins

	printf '\n> move to platforms/android'
  cd platforms/android
  
	printf '\n> build android release\n'
	ionic build android --release

	check_certificate

	signapk build/outputs/apk/android-armv7-release-unsigned.apk

	printf "\nAPK should be in build/outputs/apk/$APK_NAME-$SEMVER_STRING.apk"
else
	echo 'platforms/android is not a directory'
fi

exit 0