Classes to write secure REST webservices using PHP and Android these are general purpose classes which you can use in your code for secure handshake between Android request call and a PHP based webservice.
Example code is added in both the folders on how to use these classes. You still need to have some basic understanding of Android development and PHP coding to use these classes.
A detailed blog post on what is the purpose and use of this code can be found here : https://rajislearning.com/writing-secure-rest-webservices-with-php-for-android/