This talk was held at the mobilecamp in Hamburg at the 4th of August 2012. The topic is about driving innovations with (mobile) payments.

1. INNOVATION WITH
MOBILE PAYMENTS
TIM MESSERSCHMIDT
Developer Evangelist
@SeraAndroid
August 2012

2. Content
1. How payments do look like
2. How to ease that
3. Payment Innovation
4. Help?!
Slides: http://bit.ly/QnXcsl
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3. Payment scenario
Item /
Service /
Virtual good
Buyer
Seller
Transaction
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4. Payment scenario
• Get transaction details
• Shipping address
• Receiver
• Payment amount (costs)
• Payment method
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5. Payment scenario
• Get transaction details
• Shipping address
• Receiver
• Payment amount (costs)
• Payment method
• Do a few calculations
• Shipping costs
• Taxes for different countries
• Currency conversion
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6. Payment scenario
• Get transaction details
• Shipping address
• Receiver
• Payment amount (costs)
• Payment method
• Do a few calculations
• Shipping costs
• Taxes for different countries
• Currency conversion
• Provide some feedback
• Error messages
• Success messages
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7. Payment scenario
• Get transaction details
• Payment processing
• Shipping address
• Send details to Gateway
• Receiver
• Wait for response
• Payment amount (costs)
• Handle response
• Payment method
• Fulfillment
• Do a few calculations
• Shipping costs
• Taxes for different countries
• Currency conversion
• Provide some feedback
• Error messages
• Success messages
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8. Payment scenario
• Get transaction details
• Payment processing
• Shipping address
• Send details to Gateway
• Receiver
• Wait for response
• Payment amount (costs)
• Handle response
• Payment method
• Fulfillment
• Do a few calculations
• Payment verification
• Shipping costs
• Fraud protection
• Taxes for different countries
• Secure connections
• Currency conversion
• Provide some feedback
• Error messages
• Success messages
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9. Payment scenario
• Get transaction details
• Payment processing
• Shipping address
• Send details to Gateway
• Receiver
• Wait for response
• Payment amount (costs)
• Handle response
• Payment method
• Fulfillment
• Do a few calculations
• Payment verification
• Shipping costs
• Fraud protection
• Taxes for different countries
• Secure connections
• Currency conversion
• Responsive design
• Provide some feedback
• Max 2-3 seconds
• Error messages
• Update the inventory
• Success messages
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10. Payment scenario
• Get transaction details
• Payment processing
• Shipping address
• Send details to Gateway
• Receiver
• Wait for response
• Payment amount (costs)
• Handle response
• Payment method
• Fulfillment
• Do a few calculations
• Payment verification
• Shipping costs
• Fraud protection
• Taxes for different countries
• Secure connections
• Currency conversion
• Responsive design
• Provide some feedback
• Max 2-3 seconds
• Error messages
• Update the inventory
• Success messages
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11. 11

12. Requirements:
Safety
Simplicity
Velocity
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13. New button law
• Introduced: 1st August 2012
• Regulates the visibility of payment
agreements & buttons in eCommerce
• Made to protect the customer
• Affects mobile apps, too!
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14. SOLUTIONS
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15. Mobile Payments Library
• Supports both Android and iOS
• Based on our Adaptive Payments API
• Supported payment types:
– Simple
– Parallel
– Chained
– Pre-approved
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16. Code
1. Initialize the library
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17. Code
2. Create a Payment
3. Let the library handle it..
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18. Examples
• MoneyBeam
– Uses NFC to request transactions
– https://github.com/SeraphimSerapis/GADC-MoneyBeam
• YardSale
– Uses ZXing to scan QR codes
– https://github.com/zaffra/YardSale
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19. Mobile Express Checkout
• Magic happens in a WebView
– Payment flows uses redirects to enable
payment at PayPal’s site
• Uses your backend with Express Checkout
– 3 API calls need to be implemented:
• SetExpressCheckout – Set details
• GetExpressCheckoutDetails – Review the order
• DoExpressCheckoutPayment – Pay
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20. Advantage
• Reuses existing implementations
• Most of the logic can be shared between
different platforms
• Mobile optimized
– Automatic User-Agent check
• Just a few steps
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21. PayPal Access
• Utilize PayPal to login
• Uses OAuth 2.0 & OpenID
• Enables to speed up the process
– No need to setup yet another account
• Easy to implement
– Just a few simple callbacks
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22. INNOVATION
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23. • Host virtual goods with Dropbox
• Pay them with PayPal
Check sellboxhq.com for more information
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24. QRShopping

25. PayPal Here
• Kreditkarten
• Check-ins

26. Useful links
• x.com/mobile – General overview
• paypal.com/dts – Developer Tech Support
• devportal.x.com – Application control
• developer.paypal.com – Sandbox
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27. Help! Contact?
• Twitter:
– @PayPalEuroDev
– @SeraAndroid
• Mail:
– tmesserschmidt@paypal.com
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