Hi Matthew Finch,
We regret the delay.
We are able to reproduce the issue in your APK and we are sorry to inform you that this is not reproduced in the sample we have provided in the last update. Hence we suspect that the environment in your development machine may vary from ours. We kindly request you to confirm us the below required details once again for assisting you with most appropriate solution.
1. Xamarin Version
2. Xamarin.Android Version
3. Compile SDK version in the application
4. Syncfusion Essential Studio version
5. Android SDK Build-tools version
Also, We kindly request you to confirm whether the issue is reproduced in the previously attached sample without making any changes.
Please let us know if you need any clarifications.