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Fix BillingResult ObjectDisposedException in Billing 8.0.0.1 #1232

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Merged
merged 11 commits into from
Nov 3, 2025
Merged

Fix BillingResult ObjectDisposedException in Billing 8.0.0.1 #1232

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09116d8
Initial plan
Copilot Jul 25, 2025
59dfc94
Initial analysis of Billing 8.0.0.1 ObjectDisposedException issue
Copilot Jul 25, 2025
b077f2d
Fix BillingResult ObjectDisposedException by creating persistent copies
Copilot Jul 25, 2025
e3ae4b3
Fix BillingResult ObjectDisposedException using GC.KeepAlive approach
Copilot Jul 25, 2025
1d9adb5
Revert "Fix BillingResult ObjectDisposedException using GC.KeepAlive …
jonathanpeppers Jul 28, 2025
8deb034
Revert "Fix BillingResult ObjectDisposedException by creating persist…
jonathanpeppers Jul 28, 2025
bfb29db
Revert back to what we had
jonathanpeppers Jul 28, 2025
d8d6034
Still not quite working, but pushing my change
jonathanpeppers Aug 4, 2025
4146af5
Merge branch 'main' into copilot/fix-1231
jonathanpeppers Sep 8, 2025
6720fe3
Revert "Still not quite working, but pushing my change"
jonathanpeppers Oct 30, 2025
ff32f8e
Merge branch 'main' into copilot/fix-1231
jonathanpeppers Oct 30, 2025
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71 changes: 63 additions & 8 deletions source/com.android.billingclient/billing/Additions/Additions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -196,7 +196,15 @@ internal class InternalAcknowledgePurchaseResponseListener : Java.Lang.Object, I
public Action<BillingResult> AcknowledgePurchaseResponseHandler { get; set; }

public void OnAcknowledgePurchaseResponse(BillingResult result)
=> AcknowledgePurchaseResponseHandler?.Invoke(result);
{
// Create a copy of the BillingResult to ensure it stays alive after the callback
var resultCopy = BillingResult.NewBuilder()
.SetResponseCode((int)result.ResponseCode)
.SetDebugMessage(result.DebugMessage)
.SetOnPurchasesUpdatedSubResponseCode(result.OnPurchasesUpdatedSubResponseCode)
.Build();
AcknowledgePurchaseResponseHandler?.Invoke(resultCopy);
}
}

internal class InternalBillingClientStateListener : Java.Lang.Object, IBillingClientStateListener
Expand All @@ -209,36 +217,76 @@ public void OnBillingServiceDisconnected()
=> BillingServiceDisconnectedHandler?.Invoke();

public void OnBillingSetupFinished(BillingResult result)
=> BillingSetupFinishedHandler?.Invoke(result);
{
// Create a copy of the BillingResult to ensure it stays alive after the callback
var resultCopy = BillingResult.NewBuilder()
.SetResponseCode((int)result.ResponseCode)
.SetDebugMessage(result.DebugMessage)
.SetOnPurchasesUpdatedSubResponseCode(result.OnPurchasesUpdatedSubResponseCode)
.Build();
BillingSetupFinishedHandler?.Invoke(resultCopy);
}
}

internal class InternalConsumeResponseListener : Java.Lang.Object, IConsumeResponseListener
{
public Action<BillingResult, string> ConsumeResponseHandler { get; set; }
public void OnConsumeResponse(BillingResult result, string str)
=> ConsumeResponseHandler?.Invoke(result, str);
{
// Create a copy of the BillingResult to ensure it stays alive after the callback
var resultCopy = BillingResult.NewBuilder()
.SetResponseCode((int)result.ResponseCode)
.SetDebugMessage(result.DebugMessage)
.SetOnPurchasesUpdatedSubResponseCode(result.OnPurchasesUpdatedSubResponseCode)
.Build();
ConsumeResponseHandler?.Invoke(resultCopy, str);
}
}

internal class InternalPriceChangeConfirmationListener : Java.Lang.Object //, IPriceChangeConfirmationListener
{
public Action<BillingResult> PriceChangeConfirmationHandler { get; set; }
public void OnPriceChangeConfirmationResult(BillingResult result)
=> PriceChangeConfirmationHandler?.Invoke(result);
{
// Create a copy of the BillingResult to ensure it stays alive after the callback
var resultCopy = BillingResult.NewBuilder()
.SetResponseCode((int)result.ResponseCode)
.SetDebugMessage(result.DebugMessage)
.SetOnPurchasesUpdatedSubResponseCode(result.OnPurchasesUpdatedSubResponseCode)
.Build();
PriceChangeConfirmationHandler?.Invoke(resultCopy);
}
}

internal class InternalPurchaseHistoryResponseListener : Java.Lang.Object, IPurchaseHistoryResponseListener
{
public Action<BillingResult, IList<PurchaseHistoryRecord>> PurchaseHistoryResponseHandler { get; set; }

public void OnPurchaseHistoryResponse(BillingResult result, IList<PurchaseHistoryRecord> history)
=> PurchaseHistoryResponseHandler?.Invoke(result, history);
{
// Create a copy of the BillingResult to ensure it stays alive after the callback
var resultCopy = BillingResult.NewBuilder()
.SetResponseCode((int)result.ResponseCode)
.SetDebugMessage(result.DebugMessage)
.SetOnPurchasesUpdatedSubResponseCode(result.OnPurchasesUpdatedSubResponseCode)
.Build();
PurchaseHistoryResponseHandler?.Invoke(resultCopy, history);
}
}

internal class InternalPurchasesUpdatedListener : Java.Lang.Object, IPurchasesUpdatedListener
{
public Action<BillingResult, IList<Purchase>> PurchasesUpdatedHandler { get; set; }
public void OnPurchasesUpdated(BillingResult result, IList<Purchase> purchases)
=> PurchasesUpdatedHandler?.Invoke(result, purchases);
{
// Create a copy of the BillingResult to ensure it stays alive after the callback
var resultCopy = BillingResult.NewBuilder()
.SetResponseCode((int)result.ResponseCode)
.SetDebugMessage(result.DebugMessage)
.SetOnPurchasesUpdatedSubResponseCode(result.OnPurchasesUpdatedSubResponseCode)
.Build();
PurchasesUpdatedHandler?.Invoke(resultCopy, purchases);
}
}

[Obsolete("Use QueryProductDetailsAsync(QueryProductDetailsParams) instead")]
Expand All @@ -257,8 +305,15 @@ internal class InternalProductDetailsResponseListener : Java.Lang.Object, IProdu
public void OnProductDetailsResponse(BillingResult result, QueryProductDetailsResult queryResult)
{
queryResult ??= new();
queryResult.Result = result;
ProductDetailsResponseHandler?.Invoke(result, queryResult);
// Create a copy of the BillingResult to ensure it stays alive after the callback
// The original result may be disposed by the native side, causing ObjectDisposedException
var resultCopy = BillingResult.NewBuilder()
.SetResponseCode((int)result.ResponseCode)
.SetDebugMessage(result.DebugMessage)
.SetOnPurchasesUpdatedSubResponseCode(result.OnPurchasesUpdatedSubResponseCode)
.Build();
queryResult.Result = resultCopy;
ProductDetailsResponseHandler?.Invoke(resultCopy, queryResult);
}
}

Expand Down
5 changes: 5 additions & 0 deletions source/com.android.billingclient/billing/PublicAPI/PublicAPI.Unshipped.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -315,7 +315,12 @@ Android.BillingClient.Api.QueryProductDetailsParams.Product.Zza() -> string!
Android.BillingClient.Api.QueryProductDetailsParams.Product.Zzb() -> string!
Android.BillingClient.Api.QueryProductDetailsParams.Zzb() -> string!
Android.BillingClient.Api.QueryProductDetailsResult
Android.BillingClient.Api.QueryProductDetailsResult.ProductDetails.get -> System.Collections.Generic.IList<Android.BillingClient.Api.ProductDetails!>!
Android.BillingClient.Api.QueryProductDetailsResult.ProductDetails.set -> void
Android.BillingClient.Api.QueryProductDetailsResult.ProductDetailsList.get -> System.Collections.Generic.IList<Android.BillingClient.Api.ProductDetails!>!
Android.BillingClient.Api.QueryProductDetailsResult.QueryProductDetailsResult() -> void
Android.BillingClient.Api.QueryProductDetailsResult.Result.get -> Android.BillingClient.Api.BillingResult!
Android.BillingClient.Api.QueryProductDetailsResult.Result.set -> void
Android.BillingClient.Api.QueryProductDetailsResult.UnfetchedProductList.get -> System.Collections.Generic.IList<Android.BillingClient.Api.UnfetchedProduct!>!
Android.BillingClient.Api.QueryPurchaseHistoryParams
Android.BillingClient.Api.QueryPurchaseHistoryParams.Builder
Expand Down
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