feat: set preferred HCE service while app is active#193
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a1denvalu3 merged 1 commit intomainfrom Feb 28, 2026
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This change temporarily acquires exclusive HCE ownership in onResume() and releases it in onPause() for both ModernPOSActivity and PaymentRequestActivity. This ensures NFC taps are reliably routed to Numo while it is open, without permanently overriding the user's default wallet preferences.
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Summary
This PR uses Android's
CardEmulation.setPreferredServiceto request exclusive ownership of the HCE stack while the app is actively used by the user.ModernPOSActivity&PaymentRequestActivity: Modifies theonResume()andonPause()lifecycle methods.onResume(): CallssetPreferredServiceto route all NFC taps exclusively to Numo when the app is in the foreground, bypassing the Android OS default wallet disambiguation.onPause(): CallsunsetPreferredServiceto release the lock, ensuring the user's default wallet settings return to normal when they background or close the app.