Easy Mobile Payments
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The document discusses best practices for mobile payments, focusing on user experience elements such as usability, quick responses, and feedback during transactions. It highlights a mobile payments library compatible with both Android and iOS, showcasing various payment scenarios and examples, like NFC and QR code transactions. Additionally, it provides information about integrating PayPal for faster checkout and links to helpful resources for developers.
Easy Mobile Payments
- 1. HOW TO NOT ANNOY PEOPLE WITH MOBILE PAYMENTS TIM MESSERSCHMIDT Developer Evangelist @SeraAndroid July 2012
- 2. Content 1. How payments do look like 2. How to ease that.. Slides: http://bit.ly/LMWcgI 2
- 3. Payment scenario Sender Receiver Transaction 3
- 4. Payment scenario • Get payment details from the user • 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 4
- 5. Don’t let the user jump off.. 1. Usability 2. Feedback 3. Quick response 5
- 6. Don’t be shocked We’ve got solutions 6
- 7. Mobile Payments Library • Supports both Android and iOS • Based on our Adaptive Payments API • Supported payment types: – Simple – Parallel – Chained – Pre-approved 7
- 8. Code 1. Initialize the library 8
- 9. Code 2. Create a Payment 3. Let the library handle it.. 9
- 10. 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 10
- 11. 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 11
- 12. Advantage • Reuses existing implementations • Most of the logic can be shared between different platforms • Mobile optimized – Automatic User-Agent check • Just a few steps 12
- 13. 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 13
- 14. Use PayPal … we have cookies! 14
- 15. New technologies 15
- 16. Useful links • x.com/mobile – General overview • paypal.com/dts – Developer Tech Support • devportal.x.com – Application control • developer.paypal.com – Sandbox 16
- 17. Help! Contact? • Twitter: – @PayPalEuroDev – @SeraAndroid • Mail: – [email protected] 17