20.6 Modifying Views

It is unlikely that any of the views provided with SwiftUI will appear and behave exactly as required without some form of customization. These changes are made by applying modifiers to the views.

All SwiftUI views have sets of modifiers which can be applied to make appearance and behavior changes. These modifiers take the form of methods that are called on the instance of the view and essentially wrap the original view inside another view which applies the necessary changes. This means that modifiers can be chained together to apply multiple modifications to the same view. The following, for example, changes the font and foreground color of a Text view:

Text("Text 1")

    .font(.headline)

    .foregroundColor(.red)

Similarly, the following example uses modifiers to configure an Image view to be resizable with the aspect ratio set to fit proportionally within the available space:

Image(systemName...