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In addition, adding children to a layout in code in Xamarin.Forms is accomplished by adding the children to the layout's Children collection: Grid grid = new Grid() Use Grid instead, or add the xmlns for the compatibility namespace. NET MAUI, RelativeLayout only exists as a compatibility control for users migrating from Xamarin.Forms. The Add overload that accepts 5 arguments isn't present in. The Add overload that accepts 3 arguments isn't present in. In addition, all of the numeric values in a are float, rather than double as used in. FromHex is obsolete and will be removed in a future release. Xamarin.Forms property replaced with a method in. The following table shows the API changes between the struct and the class: Xamarin.Forms API The class, which is also in the namespace, largely provides the same named colors. The class, in the namespace, lets you construct Color objects using float values, byte values, and int values. NET MAUI, this functionality has been separated into the class, and the class. In Xamarin.Forms, the struct lets you construct Color objects using double values, and provides named colors, such as. The following sections discuss these changes. This is multiple reasons including removing duplicate functionality caused by Xamarin.Essentials becoming part of. Some APIs have changed in the move from Xamarin.Forms to. Therefore, you should replace all occurrences of xmlns="" with xmlns="".

In addition, the default XAML namespace has changed from in Xamarin.Forms to in. This enables you to remove using directives for the Xamarin.Essentials namespace, without having to replace them with the equivalent. NET MAUI projects make use of implicit global using directives. To make namespace updates, perform a find and replace for the following namespaces: NET MAUI, and Xamarin.Essentials features are now part of. Namespaces have changed in the move from Xamarin.Forms to. Then copy your Xamarin.Forms library files into the. In your platform projects, add a reference to this new library project. Net7.0 net7.0-android net7.0-ios net7.0-maccatalyst Opening the project file will confirm that you have a. This project will host the code from your Xamarin.Forms library project. NET MAUI class library project of the same name as your Xamarin.Forms library project. NET MAUI library project of the same name as your Xamarin.Forms library project, and then copying in your code. To simplify the upgrade process, we recommend creating a new.