Moving Items between groups of a Grouped CollectionView in Android throws a IndexOutOfBoundsException

[inimirpaz]

Description

See repro. When moving items back and forth in a grouped collectioview in Android a

Java.Lang.IndexOutOfBoundsException has been thrown
Inconsistency detected. Invalid view holder adapter positionTemplatedItemViewHolder{aaacc96 position=7 id=-1, oldPos=5, pLpos:5 scrap [attachedScrap] tmpDetached no parent} crc645d80431ce5f73f11.MauiRecyclerView_3{5d3c385 VFED..... ......I. 0,0-1080,1584}, adapter:crc645d80431ce5f73f11.ReorderableItemsViewAdapter_2@d202cd7, layout:androidx.recyclerview.widget.LinearLayoutManager@c6597f5, context:crc64dcdaa62ceb4aad7f.MainActivity@29e59f2

is thrown.

Steps to Reproduce

In the repro, try to tap on the elements which are moved to the newly created "bucket" group. Then from the "bucket" group try to tap once again to move them back, and the crash should be triggered.

Link to public reproduction project repository

https://github.com/inimirpaz/maui_issues/tree/grouped_cv_issue

Version with bug

8.0.60 SR6

Is this a regression from previous behavior?

Yes, this used to work in Xamarin.Forms

Last version that worked well

8.0.3

Affected platforms

Android

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output

No response

[github-actions]

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[ninachen03]

I can repro this issue on Visual Studio 17.11.0 Preview 2.0 (8.0.60 &8.0.21 ), but it doesn't repro on 8.0.3

[inimirpaz]

Possible workaround: add an empty group at the end.