OTP Auto-Fill Entry for iOS with .NET MAUI
I needed OT Auto-Fill for my .NET MAUI App, and since it involved an unexpected struggle to get it working I thought I'd share my findings. Our app sends out a verification code via SMS and I want to capture this code and auto-fill it in the verification code field. First of all I found Gerald's article for doing this in Xamarin - https://blog.verslu.is/xamarin-forms-xamarin/otp-auto-fill-entry-for-ios-with-xamarin-forms/ It was also rather easy to find articles of people extending EntryRenderer, which is an obsolete method. The approach that I finally got working is to instead extend the EntryHandler, as such: Now you need to do some wiring up in MauiProgram.cs. First of all the right usings: Followed by adding the CustomEntryHandler in ConfigureMauiHandlers, as such: Now - one would think that this was enough, but not quite! The problem was not quite expected. Our verification SMS contained just the verification code - 6 digits. In order for OTP to work, the message needs to