Hello,
You can customize the keyboard in .Net MAUI.
If you want to implement simple customizations such as hinting at keyboard use and capitalizations are built in. You can refer to https://github.com/dotnet/docs-maui/blob/main/docs/user-interface/controls/entry.md#customize-the-keyboard .
If you want to implement completely customizing keyboard, you can use essentially the same techniques you use in Xamarin to do so as in Maui. It's because that the customization is not Xamarin specific behavior but comes from the underlying Android API.
Best Regards,
Alec Liu.
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