Paypal Integration in Android
PayPal is used by most of the eCommerce website and mobile application to buy something online. In this post, I explain how to integrate PayPal in your android application. This post is very easy to understand and it takes 5 min to setup PayPal in your application and you can start getting payment through PayPal. I assume that you have your PayPal account or PayPal developer account if not then create one on this link, and once you create your account and get Client Id from the account. If you want to learn how to create an account in Paypal Sandbox check this official link.
You can follow simple steps to setup Paypal in android application