Re-Build App
Recompile(build) the apk
apktool b source.apk -f -o edited.apkGenerate a key.
keytool -genkey -v -keystore class.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000Sign the apk
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore class.keystore $APP alias_nameVerify apk
jarsigner -verify -verbose -certs my_application.apkLast updated