Keywords: UE4, Mixed Reality, MR, Hololens

Docs

Offical Docs

Unreal development overview
https://docs.microsoft.com/en-us/windows/mixed-reality/unreal-development-overview

HoloLens 2 Streaming Quick Start
https://docs.unrealengine.com/en-US/Platforms/AR/HoloLens2/QuickStartStreaming/index.html

Mixed Reality Capture Supported Apps (Oculus Quest)
https://developer.oculus.com/documentation/mrc/mr-quest-supported-app/

Source Code

Common API

HoloLensARFunctionLibrary.h:
Engine\Plugins\Runtime\AR\Microsoft\HoloLensAR\Source\HoloLensAR\Public\HoloLensARFunctionLibrary.h

WindowsMixedRealityHandTrackingFunctionLibrary.h:
Engine\Plugins\Runtime\WindowsMixedReality\Source\WindowsMixedRealityHandTracking\Public\WindowsMixedRealityHandTrackingFunctionLibrary.h

SDKs & Tools

MRTK (Mixed Reality Toolkit)

The MixedRealityToolkit is a collection of scripts and components intended to accelerate the development of mixed reality applications targeting Windows Mixed Reality.
https://github.com/microsoft/MixedRealityToolkit

Examples & Demos

Offical Examples

Apollo 11 Mission AR
https://www.unrealengine.com/marketplace/en-US/product/missionar

A collection of mixed reality samples built with Unreal Engine 4
https://github.com/microsoft/MixedReality-Unreal-Samples

Issues

Holograph disappeared suddenly

Case:
Graph usually disappeared at running remoted streaming.

Caused by:
Maybe the network quality of WiFi wasn’t stable.

Solution:
Running application in WLAN, has the remoted PC disconnected from Internet.

The snake which cannot cast its skin has to die. As well the minds which are prevented from changing their opinions; they cease to be mind. ― Friedrich Nietzsche