Extending forms

Even though the Xamarin.Forms framework provides an extensive set of customizable UI elements, in certain scenarios you might want to change how a certain control looks or behaves. Moreover, at times, providing an application-wide customization scheme can provide consistency and decrease redundancy. XAML markup infrastructure used in Xamarin.Forms provides various custom implementation scenarios.

Styles

When implementing certain UI patterns, view elements have to be declared independent of each other, and yet they have to carry the same design attributes, such as typography, layout properties, colors, and so on. Styles can be used in this situation to organize and re-use the element attributes.

Using ListView, the only view container defined would be the item data template, and the content items loaded from the data source will be rendered using the same template. However, if the view requirement is to use Grid, StackLayout, or TableView, each view item would have to be defined...