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[Bug] crash when first displaying a carousel view on android with ItemsUpdatingScrollMode="KeepLastItemInView" #15824

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tmijieux opened this issue Oct 2, 2023 · 0 comments
Open

[Bug] crash when first displaying a carousel view on android with ItemsUpdatingScrollMode="KeepLastItemInView" #15824

tmijieux opened this issue Oct 2, 2023 · 0 comments
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s/unverified New report that has yet to be verified t/bug 🐛

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@tmijieux
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tmijieux commented Oct 2, 2023 •
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I think the bug probably started occuring with this commit 720c25c

It only happens with ItemsUpdatingScrollMode="KeepLastItemInView"
the two other values for ItemsUpdatingScrollMode does not trigger this bug.

From the following callstack at the moment of the crash it seems
the crash appears when rendering the CarouselItemView for the first time (creation of the renderer)
during CarouselViewRenderer.UpdateItemsSource() it will call base.UpdateItemsSource() (from ItemsViewRenderer)
(this call to base.UpdateItemsSource() comes just before setting the _itemsSource on the CarouselViewLoopManager,
so until this base.UpdateItemsSource the _itemsSource in the LoopManager will remain null)

but during the call to base.UpdateItemsSource() , will at some point call UpdateItemSpacing() that will in turn call
CarouselViewLoopManager.GetGoToIndex (CarouselViewRenderer.cs:721) (at this point the _itemsSource is accessed before being set to a non-null value)
(through an native android callback AndroidX.RecyclerView.Widget.RecyclerView+AdapterDataObserver.n_OnItemRangeChanged_II so maybe a little unexpected ? )

So the whole bug seems like an initialization order problem to me.

Description

[RecyclerView] Cannot scroll to position a LayoutManager set. Call setLayoutManager with a non-null argument.
The thread 0x25 has exited with code 0 (0x0).
**System.NullReferenceException:** 'Object reference not set to an instance of an object.'

[mono-rt] [ERROR] FATAL UNHANDLED EXCEPTION: System.NullReferenceException: Object reference not set to an instance of an object.
[mono-rt]   at Xamarin.Forms.Platform.Android.CarouselViewRenderer+CarouselViewLoopManager.GetGoToIndex (AndroidX.RecyclerView.Widget.RecyclerView recyclerView, System.Int32 carouselPosition, System.Int32 newPosition) [0x00013] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\CarouselViewRenderer.cs:721 
[mono-rt]   at Xamarin.Forms.Platform.Android.CarouselViewRenderer.DetermineTargetPosition (Xamarin.Forms.ScrollToRequestEventArgs args) [0x0004a] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\CarouselViewRenderer.cs:59 
[mono-rt]   at Xamarin.Forms.Platform.Android.CarouselViewRenderer.ScrollTo (Xamarin.Forms.ScrollToRequestEventArgs args) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\CarouselViewRenderer.cs:204 
[mono-rt]   at Xamarin.Forms.Platform.Android.ItemsViewRenderer`3[TItemsView,TAdapter,TItemsViewSource].AdjustScrollForItemUpdate () [0x00013] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\ItemsViewRenderer.cs:668 
[mono-rt]   at Xamarin.Forms.Platform.Android.DataChangeObserver.OnItemRangeChanged (System.Int32 positionStart, System.Int32 itemCount) [0x00008] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\DataChangeObserver.cs:59 
[mono-rt]   at AndroidX.RecyclerView.Widget.RecyclerView+AdapterDataObserver.n_OnItemRangeChanged_II (System.IntPtr jnienv, System.IntPtr native__this, System.Int32 positionStart, System.Int32 itemCount) [0x00008] in D:\a\1\s\generated\androidx.recyclerview.recyclerview\obj\Release\monoandroid9.0\generated\src\AndroidX.RecyclerView.Widget.RecyclerView.cs:1061 
[mono-rt]   at Android.Runtime.JNINativeWrapper.Wrap_JniMarshal_PPII_V (_JniMarshal_PPII_V callback, System.IntPtr jnienv, System.IntPtr klazz, System.Int32 p0, System.Int32 p1) [0x00005] in /Users/runner/work/1/s/xamarin-android/src/Mono.Android/Android.Runtime/JNINativeWrapper.g.cs:154 
[mono-rt]   at (wrapper native-to-managed) Android.Runtime.JNINativeWrapper.Wrap_JniMarshal_PPII_V(intptr,intptr,int,int)
[mono-rt]   at (wrapper managed-to-native) Java.Interop.NativeMethods.java_interop_jnienv_call_nonvirtual_void_method_a(intptr,intptr&,intptr,intptr,intptr,intptr)
[mono-rt]   at Java.Interop.JniEnvironment+InstanceMethods.CallNonvirtualVoidMethod (Java.Interop.JniObjectReference instance, Java.Interop.JniObjectReference type, Java.Interop.JniMethodInfo method, Java.Interop.JniArgumentValue* args) [0x00058] in /Users/runner/work/1/s/xamarin-android/external/Java.Interop/src/Java.Interop/obj/Release/JniEnvironment.g.cs:12320 
[mono-rt]   at Java.Interop.JniPeerMembers+JniInstanceMethods.InvokeVirtualVoidMethod (System.String encodedMember, Java.Interop.IJavaPeerable self, Java.Interop.JniArgumentValue* parameters) [0x00065] in /Users/runner/work/1/s/xamarin-android/external/Java.Interop/src/Java.Interop/Java.Interop/JniPeerMembers.JniInstanceMethods_Invoke.cs:75 
[mono-rt]   at AndroidX.RecyclerView.Widget.RecyclerView+AdapterDataObserver.OnItemRangeChanged (System.Int32 positionStart, System.Int32 itemCount, Java.Lang.Object payload) [0x00050] in D:\a\1\s\generated\androidx.recyclerview.recyclerview\obj\Release\monoandroid9.0\generated\src\AndroidX.RecyclerView.Widget.RecyclerView.cs:1106 
[mono-rt]   at Xamarin.Forms.Platform.Android.DataChangeObserver.OnItemRangeChanged (System.Int32 positionStart, System.Int32 itemCount, Java.Lang.Object payload) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\DataChangeObserver.cs:64 
[mono-rt]   at AndroidX.RecyclerView.Widget.RecyclerView+AdapterDataObserver.n_OnItemRangeChanged_IILjava_lang_Object_ (System.IntPtr jnienv, System.IntPtr native__this, System.Int32 positionStart, System.Int32 itemCount, System.IntPtr native_payload) [0x00011] in D:\a\1\s\generated\androidx.recyclerview.recyclerview\obj\Release\monoandroid9.0\generated\src\AndroidX.RecyclerView.Widget.RecyclerView.cs:1092 
[mono-rt]   at (wrapper delegate-invoke) <Module>.invoke_void_intptr_intptr_int_int_intptr(intptr,intptr,int,int,intptr)
[mono-rt]   at Android.Runtime.JNINativeWrapper.Wrap_JniMarshal_PPIIL_V (_JniMarshal_PPIIL_V callback, System.IntPtr jnienv, System.IntPtr klazz, System.Int32 p0, System.Int32 p1, System.IntPtr p2) [0x00005] in /Users/runner/work/1/s/xamarin-android/src/Mono.Android/Android.Runtime/JNINativeWrapper.g.cs:253 
[mono-rt]   at (wrapper native-to-managed) Android.Runtime.JNINativeWrapper.Wrap_JniMarshal_PPIIL_V(intptr,intptr,int,int,intptr)
[mono-rt]   at (wrapper managed-to-native) Java.Interop.NativeMethods.java_interop_jnienv_call_nonvirtual_void_method_a(intptr,intptr&,intptr,intptr,intptr,intptr)
[mono-rt]   at Java.Interop.JniEnvironment+InstanceMethods.CallNonvirtualVoidMethod (Java.Interop.JniObjectReference instance, Java.Interop.JniObjectReference type, Java.Interop.JniMethodInfo method, Java.Interop.JniArgumentValue* args) [0x00058] in /Users/runner/work/1/s/xamarin-android/external/Java.Interop/src/Java.Interop/obj/Release/JniEnvironment.g.cs:12320 
[mono-rt]   at Java.Interop.JniPeerMembers+JniInstanceMethods.InvokeNonvirtualVoidMethod (System.String encodedMember, Java.Interop.IJavaPeerable self, Java.Interop.JniArgumentValue* parameters) [0x0001a] in /Users/runner/work/1/s/xamarin-android/external/Java.Interop/src/Java.Interop/Java.Interop/JniPeerMembers.JniInstanceMethods_Invoke.cs:93 
[mono-rt]   at AndroidX.RecyclerView.Widget.RecyclerView+Adapter.NotifyItemChanged (System.Int32 position) [0x00018] in D:\a\1\s\generated\androidx.recyclerview.recyclerview\obj\Release\monoandroid9.0\generated\src\AndroidX.RecyclerView.Widget.RecyclerView.cs:419 
[mono-rt]   at Xamarin.Forms.Platform.Android.CarouselViewRenderer.UpdateItemSpacing () [0x00019] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\CarouselViewRenderer.cs:194 
[mono-rt]   at Xamarin.Forms.Platform.Android.ItemsViewRenderer`3[TItemsView,TAdapter,TItemsViewSource].UpdateLayoutManager () [0x00024] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\ItemsViewRenderer.cs:628 
[mono-rt]   at Xamarin.Forms.Platform.Android.ItemsViewRenderer`3[TItemsView,TAdapter,TItemsViewSource].UpdateEmptyViewVisibility () [0x000d1] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\ItemsViewRenderer.cs:660 
[mono-rt]   at Xamarin.Forms.Platform.Android.ItemsViewRenderer`3[TItemsView,TAdapter,TItemsViewSource].UpdateEmptyView () [0x0011b] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\ItemsViewRenderer.cs:534 
[mono-rt]   at Xamarin.Forms.Platform.Android.ItemsViewRenderer`3[TItemsView,TAdapter,TItemsViewSource].UpdateItemsSource () [0x00048] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\ItemsViewRenderer.cs:267 
[mono-rt]   at Xamarin.Forms.Platform.Android.CarouselViewRenderer.UpdateItemsSource () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\CarouselViewRenderer.cs:152 
[mono-rt]   at Xamarin.Forms.Platform.Android.ItemsViewRenderer`3[TItemsView,TAdapter,TItemsViewSource].SetUpNewElement (TItemsView newElement) [0x00053] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\ItemsViewRenderer.cs:316 
[mono-rt]   at Xamarin.Forms.Platform.Android.CarouselViewRenderer.SetUpNewElement (Xamarin.Forms.ItemsView newElement) [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\CarouselViewRenderer.cs:94 
[mono-rt]   at Xamarin.Forms.Platform.Android.ItemsViewRenderer`3[TItemsView,TAdapter,TItemsViewSource].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x0004f] in D:\a\1\s\Xamarin.Forms.Platform.Android\CollectionView\ItemsViewRenderer.cs:104 
[mono-rt]   at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0003e] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:358 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:481 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:244 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:131 
[mono-rt]   at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0003e] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:358 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:481 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:244 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:131 
[mono-rt]   at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0003e] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:358 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:481 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:244 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:131 
[mono-rt]   at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0003e] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:358 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:481 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:244 
[mono-rt]   at Xamarin.Forms.Platform.Android.VisualElementRenderer`1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:131 
[mono-rt]   at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, AndroidX.Fragment.App.FragmentManager fragmentManager, Android.Content.Context context) [0x00031] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:404 
[mono-rt]   at Xamarin.Forms.Platform.Android.AppCompat.FragmentContainer.OnCreateView (Android.Views.LayoutInflater inflater, Android.Views.ViewGroup container, Android.OS.Bundle savedInstanceState) [0x00008] in D:\a\1\s\Xamarin.Forms.Platform.Android\AppCompat\FragmentContainer.cs:57 
[mono-rt]   at AndroidX.Fragment.App.Fragment.n_OnCreateView_Landroid_view_LayoutInflater_Landroid_view_ViewGroup_Landroid_os_Bundle_ (System.IntPtr jnienv, System.IntPtr native__this, System.IntPtr native_inflater, System.IntPtr native_container, System.IntPtr native_savedInstanceState) [0x00021] in D:\a\1\s\generated\androidx.fragment.fragment\obj\Release\monoandroid9.0\generated\src\AndroidX.Fragment.App.Fragment.cs:1977 
[mono-rt]   at (wrapper delegate-invoke) <Module>.invoke_intptr_intptr_intptr_intptr_intptr_intptr(intptr,intptr,intptr,intptr,intptr)
[mono-rt]   at Android.Runtime.JNINativeWrapper.Wrap_JniMarshal_PPLLL_L (_JniMarshal_PPLLL_L callback, System.IntPtr jnienv, System.IntPtr klazz, System.IntPtr p0, System.IntPtr p1, System.IntPtr p2) [0x00005] in /Users/runner/work/1/s/xamarin-android/src/Mono.Android/Android.Runtime/JNINativeWrapper.g.cs:352 
[mono-rt]   at (wrapper native-to-managed) Android.Runtime.JNINativeWrapper.Wrap_JniMarshal_PPLLL_L(intptr,intptr,intptr,intptr,intptr)

Steps to Reproduce

  1. git clone https://github.com/tmijieux/xamforms_carousel_crash
  2. build and run project
  3. click open carousel page button
  4. the app crashes

Expected Behavior

not crashing

Actual Behavior

crashing (uncaught NullReference during Renderer stuff)

Basic Information

  • Version with issue: 2478 and following
  • Last known good version:2401
  • Platform Target Frameworks:
    • Android:
  • Android Support Library / AndroidX Version:
  • NuGet Packages:
  • Affected Devices:

Environment

Show/Hide Visual Studio info 
Microsoft Visual Studio Community 2022
Version 17.7.4
VisualStudio.17.Release/17.7.4+34031.279
Microsoft .NET Framework
Version 4.8.04084

Installed Version: Community

Visual C++ 2022   00482-90000-00000-AA788
Microsoft Visual C++ 2022

ASP.NET and Web Tools   17.7.273.65229
ASP.NET and Web Tools

Azure App Service Tools v3.0.0   17.7.273.65229
Azure App Service Tools v3.0.0

C# Tools   4.7.0-3.23416.8+43b0b05cc4f492fd5de00f6f6717409091df8daa
C# components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Extensibility Message Bus   1.4.34 (main@d5ab18b)
Provides common messaging-based MEF services for loosely coupled Visual Studio extension components communication and integration.

Microsoft JVM Debugger   1.0
Provides support for connecting the Visual Studio debugger to JDWP compatible Java Virtual Machines

Mono Debugging for Visual Studio   17.7.27 (547ea6f)
Support for debugging Mono processes with Visual Studio.

NuGet Package Manager   6.7.0
NuGet Package Manager in Visual Studio. For more information about NuGet, visit https://docs.nuget.org/

Razor (ASP.NET Core)   17.7.3.2333001+0ab18affdf2a37647768d0e25f5f021bee6257a1
Provides languages services for ASP.NET Core Razor.

Test Adapter for Boost.Test   1.0
Enables Visual Studio's testing tools with unit tests written for Boost.Test.  The use terms and Third Party Notices are available in the extension installation directory.

TypeScript Tools   17.0.20829.2001
TypeScript Tools for Microsoft Visual Studio

Visual Basic Tools   4.7.0-3.23416.8+43b0b05cc4f492fd5de00f6f6717409091df8daa
Visual Basic components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Visual F# Tools   17.7.0-beta.23314.10+e612cf93b989503c89e3a5830090062b7ab5e143
Microsoft Visual F# Tools

Visual Studio IntelliCode   2.2
AI-assisted development for Visual Studio.

VisualStudio.DeviceLog   1.0
Information about my package

VisualStudio.Mac   1.0
Mac Extension for Visual Studio

VSPackage Extension   1.0
VSPackage Visual Studio Extension Detailed Info

Xamarin   17.7.0.216 (d17-7@133ddef)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin Designer   17.7.3.9 (remotes/origin/d17-7@796d191def)
Visual Studio extension to enable Xamarin Designer tools in Visual Studio.

Xamarin Templates   17.7.21 (150ec9f)
Templates for building iOS, Android, and Windows apps with Xamarin and Xamarin.Forms.

Xamarin.Android SDK   13.2.1.2 (d17-5/a8a26c7)
Xamarin.Android Reference Assemblies and MSBuild support.
    Mono: d9a6e87
    Java.Interop: xamarin/java.interop/d17-5@149d70fe
    SQLite: xamarin/sqlite/3.40.1@68c69d8
    Xamarin.Android Tools: xamarin/xamarin-android-tools/d17-5@ca1552d


Xamarin.iOS and Xamarin.Mac SDK   16.4.0.15 (8c3876d5e)
Xamarin.iOS and Xamarin.Mac Reference Assemblies and MSBuild support.

Build Logs

Screenshots

Reproduction Link

https://github.com/tmijieux/xamforms_carousel_crash

Workaround

using the default value for ItemsUpdatingScrollMode (although it may have a different behavior)

also downgrading to 2401 also works
@tmijieux tmijieux added s/unverified New report that has yet to be verified t/bug 🐛 labels Oct 2, 2023
@tmijieux tmijieux changed the title [Bug] crash when first displaying a carousel view on android [Draft issue] [Bug] crash when first displaying a carousel view on android Oct 2, 2023
@tmijieux tmijieux changed the title [Bug] crash when first displaying a carousel view on android [Bug] crash when first displaying a carousel view on android with ItemsUpdatingScrollMode="KeepLastItemInView" Oct 2, 2023
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