September 11, 2017 - We just posted about Android O support for Xamarin.Android.
It still shows as 'Android 7.99.0 - O Beta' in the Platforms area of the new SDK manager for me. The blog post has it as 'Android 8.0 - Oreo'. Might just be me though as I have previously had the betas installed
@MarkAdamson This should be fixed in the next Preview release. Thanks for the report!
Find the sample code for Notification Channel Badges here.
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