2012

PayPal Mobile Express Checkout Library Developer Guide and Reference January 2011 11
4. Select Add JARs… on the right and select the paypal_mecl.jar.
Method Sequence with the PayPal Button in Your Mobile App
The following diagram illustrates the sequence of methods that embed only the mobile PayPal
payment pages in a web view within your mobile application.
IMPORTANT: Never send Express Checkout requests from your mobile application directly to
PayPal. The requests require your PayPal API credentials. Placing your credentials on mobile