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A Compose app is made up of composable functions - just regular functions marked with @Composable , which can call other composable functions. A function is all you need to create a new UI component. The annotation tells Compose to add special support to the function for updating and maintaining your UI over time.

Compose allows you to do more with less code, compared to using the Android View system: Buttons, lists or animation - whatever you need to build, now there's less code to write.

Conclusion: The debate between Jetpack Compose and XML layout for Android application development reflects the evolution and innovation in the Android ecosystem. While XML layout remains a reliable and widely-used approach, Jetpack Compose offers a modern, flexible, and powerful alternative.

Surface is a basic building block for displaying content and can be used to wrap other composable to provide a background color, elevation, padding, and other layout properties.

Material 3 includes updated theming, components and Material You personalization features like dynamic color, and is designed to be cohesive with the new visual style and system UI on Android 12 and above. Note: The terms ?Material Design 3?, ?Material 3?, and ?M3? are interchangeable.

Jetpack Compose is a modern declarative UI Toolkit for Android. Compose makes it easier to write and maintain your app UI by providing a declarative API that allows you to render your app UI without imperatively mutating frontend views.

A composite material (also called a composition material or shortened to composite, which is the common name) is a material which is produced from two or more constituent materials.

Usage: While Box is mainly used for alignment and layering, Surface is typically used as a container for other composables, where you wish to apply Material Design aesthetics.