A simple script for self-signing APKs

signapk.sh

#!/bin/sh

KEYSTORE=$1
ALIAS=$2
APK=$3

if [ "$#" -ne 3 ]; then
  echo "Usage: $0 [keystore] [alias] [apk]"
  exit 0
fi

keytool -genkey -v -keystore $KEYSTORE -keyalg RSA -keysize 2048 -validity 10000 -alias $ALIAS
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore $KEYSTORE $APK $ALIAS