apk_dcs.sh

#!/bin/bash
# Copyright (C) 2016 Paget96 @ XDA-Developers
# Thanks to brut.all and ibotpeaches for APKTool
# Thanks to aureljared @ XDA-Developers for zipalign/sign script for Linux.
#=======================================================================#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
#=======================================================================#

while true; do
if [ ! -d ./Input ]; then
	mkdir ./Input
fi
if [ ! -d ./Output ]; then
	mkdir ./Output
fi
echo "1. Decompile"
echo "2. Compile"
echo "3. Sign .apk package"
echo ""
echo -n "Please select an option: "
read -r option

if [ "$option" -eq 1 ]; then
echo -n "Filename without .apk extension: "
read -r appname
	if [ -f ./Input/$appname.apk ]; then
		sh ./binary/apktool/apktool d ./Input/$appname.apk
		echo "APK file decompiled successfully"
	else
		echo -e "$appname.apk does not exist. Check file name and try again !"
	fi
echo "Press [ENTER] key to continue..."
read key
clear
		elif [ "$option" -eq 2 ]; then
			echo -n "Filename without .apk extension: "
			read -r appfolder
				if [ -d ./$appfolder ]; then
 					cd ./$appfolder
 					java -jar ../binary/apktool/apktool.jar b -d -o ../Output/$appfolder-modified.apk
					cd ..
					echo "APK file compiled successfully"
				else
					echo -e "$appfolder does not exist. Check source folder !"
				fi
			echo "Press [ENTER] key to continue..."
			read key
			clear	
	elif [ "$option" -eq 3 ]; then
while true; do
cd ./Output/
# Remove scroll buffer
echo -e '\0033\0143'
# Colorful terminal output (from AOSPA building script)
cya=$(tput setaf 6)             #  cyan
txtbld=$(tput bold)             # bold
bldred=${txtbld}$(tput setaf 1) #  red
bldgrn=${txtbld}$(tput setaf 2) #  green
bldcya=${txtbld}$(tput setaf 6) #  cyan

# Phase 1
echo -e "${bldcya}Enter the name of the apk you want to sign."
echo -e "${bldcya}Example: ${cya}SystemUI"
echo -e ""
echo -e "${bldred}NOTE:"
echo -e "${cya}What you enter here will also be the filename of your final APK."
echo -e "${cya}APK must be in the same folder as this script."
echo -n "Filename without .apk extension: "
read appname

# Check existence
if [ -f $appname-modified.apk ]
then
	echo -e ""
	echo -e "${bldgrn}APK exists."
else
	echo -e "${bldred}$appname-modified.apk does not exist inside /Output folder. Exiting..."
fi

# Phase 2
echo -e "${bldgrn}Signing APK..."
java -jar ../binary/zipaligner/signapk.jar ../binary/zipaligner/testkey.x509.pem ../binary/zipaligner/testkey.pk8 $appname-modified.apk temp.apk

# Check existence
if [ -f temp.apk ]; then
	mv $appname-modified.apk $appname-original.apk
	clear
	echo -e "${bldgrn}Zipaligning APK..."
else
	echo -e "${bldred}FATAL: Temporary APK not found. Exiting..."
fi

# Phase 3
chmod a+x ../binary/zipaligner/zipalign
../binary/zipaligner/zipalign -f -v 4 temp.apk $appname-signed.apk

# Check existence
if [ -f $appname-signed.apk ]
then
	rm temp.apk
	echo -e "${bldcya}Would you like to install the APK to your device?"
else
	echo -e "${bldred}FATAL: Final APK does not exist. Exiting..."
    mv $appname-original.apk $appname-modified.apk
fi

# Push - install to device
read -p "y/n: " -n 1 -r
echo ""
if [[ $REPLY =~ ^[Yy]$ ]]
then
	echo -e '\0033\0143'
	chmod a+x ../binary/zipaligner/adb
	echo -e "${cya}Firing up ADB 1.0.31..."
	../binary/zipaligner/adb start-server
	echo -e "${cya}Waiting for device - make sure device is connected in ${bldcya}debugging mode"
	../binary/zipaligner/adb wait-for-device
	echo -e "${cya}Installing APK to device..."
	../binary/zipaligner/adb install $appname.apk
	echo -e "${bldgrn}Installation success"
	../binary/zipaligner/adb kill-server
	echo -e ""
	read -p "Press [ENTER] key to continue..."
	read key
else
echo "Opening main menu..."
sleep 2
fi
	cd ..
	clear
	break
done
	fi
done