build_apk

#!/bin/bash

if [ ! $1 ]; then
	echo android build script
	echo usage build_apk dir_path [options] 
	echo
	echo -c --clean   cleanup apk files created except the final signed veriosn
	echo -i --install install the apk file after the build
	echo -f --force   overwrite existing apk file 
	echo "-n --name    specify name for the apk file"
	exit 0
fi

dir_name=$1
NAME=$1
while [ $1 ]; do
	shift # past the name of dir and future options
	case $1 in 
		-c|--clean-up)
		CLEAN=true
		;;
		-i|--install)
		INSTALL=true
		;;
		-f|--force)
		FORCE=true
		;;
		-n|--name)
		NAME=$2
		shift
		;;
	esac
done

# if dir does notexist then program will terminate
if [ ! -d $dir_name ]; then
	echo [x] source apk directory does not exist
	exit 1
fi

# check if the file by the same name exist
if [ -f $NAME.apk ] && [ ! $FORCE ]; then
	echo [x] $dir_name.apk already exist use -f to overwrite (not recommended)
	echo     or specify new name with -n
	exit 2
fi

output=$(apktool b $dir_name -o $NAME.apk)

# if apk file not built means an error has occured
if [ ! -f $NAME.apk ]; then
	echo [x] ERROR while building apk
	echo [x] APKTOOL output as follows
	echo 	 $output
	exit 3 
fi

echo [-] $NAME.apk has been successfully built

# install the apk file to specified android device
if [ $ANDROID_DEVICE ] && [ $INSTALL ]; then
	echo [?] waiting for $ANDROID_DEVICE to respond
	adb -s $ANDROID_DEVICE wait-for-device
	echo [o] $ANDROID_DEVICE has responded
	
	# need to sign the apk to install 
	$TOOL_KIT/android/sign_apk $NAME.apk
	echo [o] finished signing apk
	adb -s $ANDROID_DEVICE install $NAME-signed-za.apk
fi

if [ $CLEAN ]; then 
	rm TEMP
fi