This is the transaction workflow for the Tap to Phone Android Solution.
Figure:
Tap to Phone Android Solution Workflow

- The Android point-of-sale (POS) app integrates the Tap to Phone Android SDK.
- The POS app calls the Tap to Phone Android SDK to perform a payment.
- The Tap to Phone Android SDK user interface opens on the Android phone screen and displays prompts to guide your customer through the payment flow.
- On the Android phone, the transaction result appears on the Summary screen. The transaction information is communicated from the Tap to Phone Android SDK to your POS app.