Add DeferredPurchasesListener via EventChannel bridge#436
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Add DeferredPurchasesListener via EventChannel bridge#436
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Add deferredPurchaseStream to Qonversion API, exposing deferred purchase completions as a Stream<QDeferredTransaction>. - Create QDeferredTransaction Dart model with fromJson factory - Add qonversion_flutter_deferred_purchase EventChannel - iOS/macOS: forward qonversionDidCompleteDeferredPurchase to EventChannel - Android: forward onDeferredPurchaseCompleted to EventChannel Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
NickSxti
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Mar 18, 2026
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Self-review notes:
Follows existing EventChannel pattern exactly - the implementation mirrors updatedEntitlementsStream at every layer:
- Dart: new
EventChannel('qonversion_flutter_deferred_purchase')with.receiveBroadcastStream().cast<String>().map()toQDeferredTransaction.fromJson() - iOS:
FlutterListenerWrapperregistered with postfix"deferred_purchase", event forwarded viaeventSinkon main thread - macOS: same as iOS
- Android:
BaseListenerWrapperwithEVENT_CHANNEL_DEFERRED_PURCHASE, Gson serialization to eventSink
QDeferredTransaction model - uses fromJson factory with safe null-coalescing (as String? ?? ''), handles num to double conversion for value field. Keys match the Sandwich SDK mapper output (productId, transactionId, originalTransactionId, type, value, currency).
Cleanup - Android tearDown() properly nullifies deferredPurchaseStreamHandler.
Not verified locally - Flutter/Dart not installed. Code follows established patterns 1:1.
Depends on: Sandwich SDK PR qonversion/sandwich-sdk#302
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Summary
deferredPurchaseStreamto public Qonversion API asStream<QDeferredTransaction>QDeferredTransactionDart model withfromJsonfactoryqonversionDidCompleteDeferredPurchase/onDeferredPurchaseCompletedevents throughqonversion_flutter_deferred_purchaseEventChannelDependencies
Test plan
Fixes DEV-674
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