If you’re going to use Xamarin Forms in real-world projects, you’re going to need custom renderers. ![]() But what if you’re handed a set of UI requirements that can’t be achieved using those properties? What if, for example, you need to round the corners on an Entry control or wrap and truncate text in a Label? (The Xamarin Forms Label control supports either but not both.) The Xamarin forums are full of such questions, and the answer is almost always “you need to write a custom renderer.” Each control has a default appearance, and each control exposes properties that allow you to customize its appearance. Xamarin Forms includes an assortment of “views,” more commonly known as controls, to help you build cross-platform UIs using XAML.
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