[in_app_purchase] Cannot start a new purchase after cancelling on iOS 14 #66886

zodiark23 · 2020-09-29T07:20:03Z

Since iOS 14 I can't seem to finishTransaction for failed purchases. This will happen if you buy a product then cancel it, this one will stay on SKPaymentTransactionQueue. However re-running the debugger will clear out the transactions.

Steps to reproduce:

Buy a product
Cancel the payment screen.
Buy the product again, nothing will happen (Payment Dialog will not pop out)

I tried this with in_app_purchase v0.3.4+8 and v.0.3.4+9 same thing.

Previously before iOS 14 this is not happening. Need help please.

Previously just by calling .completePurchase() for iOS its working properly.
I'm also clearing the SKTransactionQueue with this code

Future<void> clearIOSTransactions() async {
    // clear the transaction queue for failed completeTransaction or finishTransaction
    final transactions = await SKPaymentQueueWrapper().transactions();
    print("SkTransactionCount: ${transactions.length}");
    for (final transaction in transactions) {
      if (transaction.transactionState !=
          SKPaymentTransactionStateWrapper.purchasing) {
        await SKPaymentQueueWrapper().finishTransaction(transaction);
      }
    }
  }

The text was updated successfully, but these errors were encountered:

darshankawar · 2020-09-29T11:04:01Z

@zodiark23
Please provide flutter doctor -v.
Thanks.

zodiark23 · 2020-09-30T06:31:13Z

@darshankawar

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zodiark23 · 2020-09-30T07:07:50Z

If it helps i can see this error logs when i run the code via xcode ( since i can't run it on debug just white screen)

2020-09-30 15:05:56.145736+0800 Runner[3063:993843] flutter: Purchase Status: PurchaseStatus.pending
2020-09-30 15:06:00.920292+0800 Runner[3063:995011] <SKPaymentQueue: 0x283611000>: Payment completed with error: Error Domain=ASDErrorDomain Code=907 "Unhandled exception" UserInfo={NSUnderlyingError=0x283b0fb70 {Error Domain=AMSErrorDomain Code=6 "Payment Sheet Failed" UserInfo={NSLocalizedDescription=Payment Sheet Failed, NSLocalizedFailureReason=Payment sheet cancelled}}, NSLocalizedFailureReason=An unknown error occurred, NSLocalizedDescription=Unhandled exception}
2020-09-30 15:06:00.925677+0800 Runner[3063:993843] flutter: Purchase Status: PurchaseStatus.error
2020-09-30 15:06:00.935201+0800 Runner[3063:993843] [VERBOSE-2:ui_dart_state.cc(177)] Unhandled Exception: PlatformException(storekit_invalid_argument, Argument type of finishTransaction is not a string., null, null)
#0      StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:582:7)
#1      MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:159:18)
<asynchronous suspension>
#2      MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:332:12)
#3      SKPaymentQueueWrapper.finishTransaction (package:in_app_purchase/src/store_kit_wrappers/sk_payment_queue_wrapper.dart:106:19)
#4      AppStoreConnection.completePurchase (package:in_app_purchase/src/in_app_purchase/app_store_connection.dart:68:10)
#5      StoreBloc._listenToPurchaseUpdated.<anonymous closure> (package:volumeup/blocs/storeBloc.dart:169:18)
#6      List.forEach (dart:core-patch/growable_array.dart:313:8)
#7      StoreBloc._listenToPurchaseUpdated (package:volumeup/blocs/storeBloc.dart:155:25)
#8      StoreBloc.initialState.<anonymous closure>.<anonymous closure> (package:volumeup/blocs/storeBloc.dart:82:9)
#9      _rootRunUnary (dart:async/zone.dart:1198:47)
#10     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
#11     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
#12     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
#13     _DelayedData.perform (dart:async/stream_impl.dart:611:14)
#14     _StreamImplEvents.handleNext (dart:async/stream_impl.dart:730:11)
#15     _PendingEvents.schedule.<anonymous closure> (dart:async/stream_impl.dart:687:7)
#16     _rootRun (dart:async/zone.dart:1182:47)
#17     _CustomZone.run (dart:async/zone.dart:1093:19)
#18     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
#19     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
#20     _rootRun (dart:async/zone.dart:1190:13)
#21     _CustomZone.run (dart:async/zone.dart:1093:19)
#22     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
#23     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
#24     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#25     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)

I think this is the reason why its failing to complete those failed transaction via .completePurchase or .finishTransaction when you just cancel the payment screen.

darshankawar · 2020-09-30T12:08:11Z

@zodiark23 thanks for the logs.
Can you upgrade to latest beta and check again ? There were few issues resolved to iOS14 in latest version.
Thanks.

zodiark23 · 2020-09-30T12:46:41Z

I'll try again. I'll give you an update

zodiark23 · 2020-10-01T03:39:38Z

@darshankawar same thing with latest of beta version.
When I cancel the payment screen. (I'll mark it complete for iOS and this error is happening)

2020-10-01 11:38:15.656406+0800 Runner[4578:1269438] flutter: Purchase Status: PurchaseStatus.pending
2020-10-01 11:38:21.504451+0800 Runner[4578:1270955] <SKPaymentQueue: 0x2815dc010>: Payment completed with error: Error Domain=ASDErrorDomain Code=907 "Unhandled exception" UserInfo={NSUnderlyingError=0x2818ed140 {Error Domain=AMSErrorDomain Code=6 "Payment Sheet Failed" UserInfo={NSLocalizedDescription=Payment Sheet Failed, NSLocalizedFailureReason=Payment sheet cancelled}}, NSLocalizedFailureReason=An unknown error occurred, NSLocalizedDescription=Unhandled exception}
2020-10-01 11:38:21.512931+0800 Runner[4578:1269438] flutter: Purchase Status: PurchaseStatus.error
2020-10-01 11:38:21.520484+0800 Runner[4578:1269438] [VERBOSE-2:ui_dart_state.cc(177)] Unhandled Exception: PlatformException(storekit_invalid_argument, Argument type of finishTransaction is not a string., null, null)
#0      StandardMethodCodec.decodeEnvelope (package:flutter/src/services/message_codecs.dart:582:7)
#1      MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:159:18)
<asynchronous suspension>
#2      MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:332:12)
#3      SKPaymentQueueWrapper.finishTransaction (package:in_app_purchase/src/store_kit_wrappers/sk_payment_queue_wrapper.dart:106:19)
#4      AppStoreConnection.completePurchase (package:in_app_purchase/src/in_app_purchase/app_store_connection.dart:68:10)
#5      StoreBloc._listenToPurchaseUpdated.<anonymous closure> (package:volumeup/blocs/storeBloc.dart:169:18)
#6      List.forEach (dart:core-patch/growable_array.dart:313:8)
#7      StoreBloc._listenToPurchaseUpdated (package:volumeup/blocs/storeBloc.dart:155:25)
#8      StoreBloc.initialState.<anonymous closure>.<anonymous closure> (package:volumeup/blocs/storeBloc.dart:82:9)
#9      _rootRunUnary (dart:async/zone.dart:1198:47)
#10     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
#11     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
#12     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
#13     _DelayedData.perform (dart:async/stream_impl.dart:611:14)
#14     _StreamImplEvents.handleNext (dart:async/stream_impl.dart:730:11)
#15     _PendingEvents.schedule.<anonymous closure> (dart:async/stream_impl.dart:687:7)
#16     _rootRun (dart:async/zone.dart:1182:47)
#17     _CustomZone.run (dart:async/zone.dart:1093:19)
#18     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
#19     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
#20     _rootRun (dart:async/zone.dart:1190:13)
#21     _CustomZone.run (dart:async/zone.dart:1093:19)
#22     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
#23     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
#24     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#25     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)

darshankawar · 2020-10-01T05:52:24Z

Related to #61047

DangKhoi1997 · 2020-10-01T07:13:11Z

Same thing @zodiark23 mentioned happened to me yesterday. Any workaround guys ?

zodiark23 · 2020-10-01T07:16:08Z

@DangKhoi1997 I haven't found any workaround, and we're starting our testing haha. @darshankawar should we wait another release of in_app_purchase?

DangKhoi1997 · 2020-10-01T07:20:11Z

Haha it still works well in android . Yesterday i thought i did something wrong in my code but no :)) . Let wait for the next version of it .

koskimas · 2020-10-01T11:37:57Z

I'm also seeing this. After a purchase has been cancelled, a new purchase cannot be started for the same product. After rebooting the app it works again, but the same thing happens again every time if I cancel a purchase.

zodiark23 · 2020-10-02T06:45:16Z

@darshankawar I manage to get another iphone with iOS 12.4.8 and this is not happening. I didn't change anything and same version and same flutter version. Looks like this is only an iOS 14 issue.

koskimas · 2020-10-02T06:47:26Z

I can confirm. Only happens on iOS 14.

koskimas · 2020-10-02T07:46:39Z

@darshankawar I don't know if this is relevant, but I've only tried this with testflight users for which the purchases are free. I can't test this with "real" users because the version of our app using the new version of this library is not yet in production. This doesn't happen with v0.3.4+3 that's currently in production for our app.

koskimas · 2020-10-02T07:49:50Z

@zodiark23 Should the title of this issue be modified to say something like "cannot start a new purchase after cancelling on iOS" so that other people also find this easier? That's the problem people will encounter first. For example I found this issue by going through all issues in desperation 😄

koskimas · 2020-10-02T08:05:57Z

This is the same issue as #66253

zodiark23 · 2020-10-02T08:09:33Z

@koskimas I was initially thinking of doing that, however when i try to buy the item again this error pops out

dennis-tra · 2020-10-02T10:28:53Z

Just created a fix for this issue flutter/plugins#3106

zodiark23 · 2020-10-02T12:40:49Z

Thanks @dennis-tra hope it gets merged soon

darshankawar · 2020-10-02T14:02:29Z

@koskimas Thanks for identifying the similar issue.
@zodiark23 I am going ahead and closing this in favor of 66253 as duplicate. Please follow-up there for updates and any questions.

If you disagree or think this was closed by mistake and should have kept open, please write in comments and I'll reopen.

github-actions · 2021-08-12T00:01:26Z

This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

darshankawar added in triage Presently being triaged by the triage team waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds labels Sep 29, 2020

no-response bot removed the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Sep 30, 2020

darshankawar added the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Sep 30, 2020

no-response bot removed the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Sep 30, 2020

darshankawar added the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Sep 30, 2020

no-response bot removed the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Oct 1, 2020

darshankawar added p: first party p: in_app_purchase Plugin for in-app purchase platform-ios iOS applications specifically and removed in triage Presently being triaged by the triage team labels Oct 1, 2020

koskimas mentioned this issue Oct 2, 2020

[in_app_purchase] Getting error while completing error purchases on iOS 14 #66253

Closed

darshankawar added the e: OS-version specific Affects only some versions of the relevant operating system label Oct 2, 2020

darshankawar changed the title ~~[in_app_purchase] iOS storekit_duplicate object issue~~ [in_app_purchase] Cannot start a new purchase after cancelling on iOS 14 Oct 2, 2020

dennis-tra mentioned this issue Oct 2, 2020

[in_app_purchase] Fix finishing purchases upon payment dialog cancel… flutter/plugins#3106

Merged

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darshankawar closed this as completed Oct 2, 2020

github-actions bot locked as resolved and limited conversation to collaborators Aug 12, 2021

flutter-triage-bot bot added the package flutter/packages repository. See also p: labels. label Jul 5, 2023

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[in_app_purchase] Cannot start a new purchase after cancelling on iOS 14 #66886

[in_app_purchase] Cannot start a new purchase after cancelling on iOS 14 #66886

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[in_app_purchase] Cannot start a new purchase after cancelling on iOS 14 #66886

[in_app_purchase] Cannot start a new purchase after cancelling on iOS 14 #66886

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