AR Quick Look does not display call to action on Chrome

[aviggiano]

Description

Disclaimer: I believe this should be filled as a Chrome bug and not as a model-viewer bug, but since I don't know the means to talk to them, I'm reporting this here since it also affects model-viewer users.

Adding a call to action button to AR Quick Look only takes effect on mobile Safari, not on Chrome.

As per the Apple documentation, including URL parameters to the USDZ scheme, such as callToAction, should create a button on the AR experience on iOS. The problem is that this only works for Safari.

Live Demo

ar-quick-look-call-to-action.mp4

• https://github.com/aviggiano/ar-call-to-action

Version

• model-viewer: current

Browser Affected

• Chrome, version: 93.0.4577.39 (Build oficial) stable (64 bits)
• Edge
• Firefox
• IE
• Safari

OS

• Android
• iOS
• Linux
• MacOS
• Windows

AR

• WebXR
• SceneViewer
• QuickLook

[elalish]

That's surprising since we use that same hash API to set scale = fixed and it works fine on iOS Chrome. You should be able to append apple's APIs to your ios-src in MV and have them flow into QuickLook; does that work? Does it work from some of their APIs and not others?

[aviggiano]

It doesn't work.
I've just updated my MWE, and the bug report remains the same.

See here the code to repro:

  <model-viewer src="https://modelviewer.dev/shared-assets/models/Astronaut.glb"
    ios-src="https://modelviewer.dev/shared-assets/models/Astronaut.usdz#applePayButtonType=buy&checkoutTitle=Biplane%20Toy&checkoutSubtitle=Rustic%20finish%20with%20rotating%20propeller&price=$15"
    alt="A 3D model of an astronaut" ar ar-modes="webxr scene-viewer quick-look" environment-image="neutral" auto-rotate
    camera-controls></model-viewer>

See here the video:

ar-quick-look-cta-model-viewer.mp4

[milesgreen]

There's a related thread here:
https://bugs.chromium.org/p/chromium/issues/detail?id=1163852#c4

iOS Chrome was originally not respecting the fixed scaling parameter. That was fixed.

But they also stated that QuickLook, in a native app, doesn't provide public APIs for handling all the other parameters, and that Safari is using private API for those.

That was 6 months ago. Maybe things have improved? Worth logging the issue again?