Script to sign android apk using keystore

apksigner

#!/bin/sh

filename=$(basename "$1")
filename=${filename%.*}

printf "Badr Interactive APK Signer V.1.0 \n"
printf "================================= \n"

if [ -z "$ANDROID_HOME" ]; then
    printf "cannot find ANDROID_HOME environment variable \n"
    printf "using default: /home/$USER/Android \n\n"
    ANDROID_HOME=/home/$USER/Android
fi

read -p "alias name: " alias
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore $2 $1 $alias
jarsigner -verify -verbose -certs $1

$ANDROID_HOME/Sdk/build-tools/23.0.2/zipalign -v 4 $1 $filename-signed.apk