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What is Unity and Unity AR?

Unity is a powerful game development engine that provides creators with the tools for interactive 3D and 2D content. Regarding Flutter, which is a separate framework for building cross-platform mobile applications, testing plays an essential role in ensuring the quality and stability of applications.

Unity's AR foundation provides a common API that abstracts the specifics of ARCore for Android and ARKit for iOS, allowing developers to write their AR applications once and deploy them across multiple platforms without needing to manage two separate sets of code. Unity's tools, like MARS (Mixed and Augmented Reality Studio), further enhance these capabilities, offering an integrated environment to test and develop immersive AR experiences.

Additionally, Unity's support for XR interaction toolkits and subsystems streamlines the development of interactive VR/AR applications, making it easier to implement features like object tracking, environment probing, and face detection. These subsystems serve as a bridge between Unity's engine and the underlying hardware capabilities, abstracting complex functionalities into more manageable components. With Unity, developers can also access a variety of packages and SDKs to further extend the functionality of their applications, like integrating Apple's Roomplan SDK for advanced spatial awareness on iOS devices.

AR foundation

In the context of the image provided, it illustrates how Unity's AR foundation interacts with various XR subsystems and utilizes SDKs specific to platforms like ARCore, ARKit, Oculus XR, Windows XR, and others, to provide a unified API for developers to build AR/VR applications.