I need to integrate payU payment gateway in my android app. But when app is trying to to get hash key it gives me error saying that
Hash param is missing
In de
i hope its useful to others i found a php script for generating hash in below link
https://docs.google.com/document/d/1wby1TStudKuOtIRmUIc3ZqDVOg20mks8q5mT40i60qw/edit
copy the php code and edit key and salt.