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Created attachment 17206 [details]
On Android with AppCompat, setting a TabbedPage ItemsSource to null will cause the app to crash with an ArgumentOutOfRangeException because it tries to scroll to CurrentPage which is also now null.
### Steps to Reproduce
1. Run the attached repro project
2. Switch to a child other than the first
3. Press "Set Null"
### Expected Results
The TabbedPage will be empty with no visible children pages.
### Actual Results
### Testing Info
Reproduced on Forms 2.3.1 and 2.3.2-pre1
Still reproducible in Xamarin Forms version 220.127.116.11.
This is no longer reproducible in Xamarin Forms version 18.104.22.168-pre2. Thanks!
I have checked this issue with xamarin.forms version 22.214.171.124-pre2 and observed that this issue has been fixed.
Hence closing this issue.