Xamarin.Forms is a framework for building cross-platform mobile applications using the C# programming language. One important aspect of building a mobile app is the user interface, or what the user sees and interacts with on the screen. In Xamarin.Forms, these user interface elements are called “Views”.
There are many different types of views that can be used in a Xamarin.Forms app, each with their own specific purpose. Some common examples include:
- Label: A simple text element that can be used to display information such as a title or a description.
- Button: A button that can be tapped by the user to perform an action, such as navigating to a new page or triggering a specific event.
- Entry: A text input field where the user can enter information such as their name or a password.
- Image: A view that can display an image, such as a logo or a photo.
- ListView: A view that can display a list of items, such as a list of products or a list of contacts.
Views can also be grouped together and arranged on the screen using layout containers. These layout containers allow you to control how views are positioned and sized on the screen. Some common layout containers include:
- StackLayout: A layout container that can stack views on top of each other, either horizontally or vertically.
- Grid: A layout container that can arrange views in a grid of rows and columns.
- AbsoluteLayout: A layout container that can position views at specific coordinates on the screen.
Each view and layout container has properties that can be set to control how they look and behave. For example, the background color of a label can be set to change its appearance. The IsEnabled property of a button can be set to control whether or not the button can be tapped.
Creating views in Xamarin.Forms can be done either in the XAML markup language or in C# code. The choice between XAML and C# depends on the developer’s preference and the complexity of the layout.
In summary, Xamarin.Forms views are the basic building blocks for creating a user interface in a Xamarin.Forms app. There are many different types of views available, each with their own specific purpose. Views can also be grouped together using layout containers to control how they are positioned and sized on the screen. And each view and layout container has properties that can be set to control how they look and behave.
Cookbook – Xamarin for Beginners – Chapter 08
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