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Document deep links to payment apps on Android - #534
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kieran-osgood-shopify
marked this pull request as ready for review
October 1, 2026 10:14
markmur
approved these changes
Oct 2, 2026
Explain that deep links are dropped when no installed app handles a declared scheme, link to the <queries> element docs, and cover both causes in troubleshooting.
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What changes are you making?
Adds a Deep links to payment apps - Android subsection under Offsite Payments. It explains how to support payment providers that open another app through a custom-scheme deep link, such as BankID (
bankid://) for Klarna in Sweden, or UPI apps (upi://) in India.On Android, the React Native module uses the native
DefaultCheckoutEventProcessor, which only opens a deep link whenqueryIntentActivitiesreturns a matching app. Since Android 11 (API 30), package visibility hides other apps unless the host app declares them in<queries>. Deep links for undeclared schemes are silently dropped. The buyer taps the payment button, nothing opens, and the payment times out.This README said nothing about the requirement, so React Native and Expo apps had no way to discover it (see #571 in
checkout-sheet-kit-android). The new subsection covers:Related: Shopify/checkout-sheet-kit-android#571
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