Explore the community Forums CenarioVR CenarioVR Questions & Answers Blank screen in iPadOS app

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  • #444056 Score: 0
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    CarlFink
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    @CarlFink

    I wouldn’t use this forum for a bug report, but the CenarioVR page has no links for support, and searching the “?” dropdown for support is also blank.

    I created a very simple scenario in my trial version (8 minute 360 video, a few info cards, one question, one button). It works fine in Google Chrome, and my Oculus Go headset.

    In the iPadOS app, it produces a blank, black full screen. I can hear the audio, but nothing shows.

    Also, even though there’s a pause action at 22 seconds in my scenario, the audio continues. (Obviously I can’t tell whether the invisible video is continuing.) Pausing works correctly on Chrome and in the Go.

    iPad Air 2 model MGKL2LL/A, iPadOS 13.4.1.

    I restarted the device, but the problem persisted. I have no other iOS or iPadOS devices here to test on.

     

    It occurred to me while typing, so I tested, and the Corals of the Caribbean scenario does the same thing: blank black screen, aside from the little micro-icons at the edges that CenarioVR seems to add. It is not just my scenario that’s doing it.

    #444068 Score: 0
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    CarlFink
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    @CarlFink

    My boss confirms the same behavior on his iPhone.

    #444081 Score: 0
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    John Blackmon
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    @johnb

    For support issues, you can always use support@trivantis.com, or the forums as well.

     

    iOS showing a blank screen is generally indicative of an out of memory or video capability issue. In looking up that model of iPad, it looks to be released in 2014, and very well may not be capable of 360 video, despite having an updated OS. We do test quite thoroughly on iOS devices, and certainly have not seen issues with the Corals scenario.

    Have you tried lower resolution videos, or perhaps 360 image scenes to see if they load on your iOS device?

     

     

     

    #444083 Score: 0
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    CarlFink
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    @CarlFink

    This video is already very low in resolution, probably too low to be usable. I’ll test a still.

    Surely you could display an error message explaining the problem, instead of a blank screen?

    #444263 Score: 0
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    John Blackmon
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    @johnb

    iOS (Safari in this case) gives no indication of an error to the underlying program, that is how it handles it.

    Sadly, iOS is by far the least capable VR runtime out there.

    #444267 Score: 0
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    CarlFink
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    @CarlFink

    Wow. That seems very retrograde for Apple, which is so proud of being a technology leader.

    Would the same thing happen with Google Cardboard? I have just been authorized to get a new iPhone for myself, so I will be able to test that soon.

    #444357 Score: 0
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    John Blackmon
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    @johnb

    They are actually about as far behind as they could be in the VR space.

    Cardboard is a “dual lens” view of what you see in the browser, it will be the same experience.

    #444368 Score: 0
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    CarlFink
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    @CarlFink

    Thanks again, John.

    Can you maybe have a different error message than the “access to motion” one, to tip off someone on an iOS device? Just saying, “Use the CenarioVR app if on iOS” would avoid having ignorant folks like me bugging you.

    #444601 Score: 1
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    John Blackmon
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    @johnb

    iOS 13.5  came out the other day, and it should help with that broswer issue. They fixed some bugs introduced with 13.4.1.

     

     

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    #444681 Score: 0
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    CarlFink
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    @CarlFink

    No different on my older iPad. Blank screen.

    Am I remembering wrong? I thought we used to be able to edit our own postings in these forums.

    #444686 Score: 0
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    CarlFink
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    @CarlFink

    Huh. My Lectora course containing CenarioVR HTML5 (the Corals of the Caribbean sample) won’t let me pan by dragging on my iPad. The interactivities that happen to be on the screen work, but I can’t pan.

    #444704 Score: 0
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    John Blackmon
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    @johnb

    The panning should be controlled by movement of the tablet itself.

     

     

    #444706 Score: 0
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    CarlFink
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    @CarlFink

    A brand new iPhone XR running 13.4.1 gives me the Black Void of Death in the CenarioVR app, and in Lectora. I can’t upgrade to the new version, this device is managed and our IT department usually spends several weeks checking new iOS releases before pushing them out to our corporate devices.

    However, after a restart, I can open the scenario on the iPad!

    And it’s totally unusable! I’m attaching a video showing what it looks like. I was holding the iPad as still as physically possible for the first 90 seconds or so, then I put it in the stand. (I’m using an Otterbox case, which doubles as a stand.) Even motionless it had some weird jitter and remained stubbornly upside-down. Dragging with my fingers had no effect.

    I figured out the problem with editing your posts. If you last edited a posting in the “Text” (really shortcode) mode, then the WordPress app (or whatever it is) you’re using doesn’t let you edit a previous post. If you switch to Visual and post, then you can retroactively edit other posts you have made. This is … odd. Why would my choosing a specific editor mode disable editing other posts?

    Attachments:
    1. CVROniPad.mp4
    #444770 Score: 0
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    CarlFink
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    @CarlFink

    John, you wrote:

    The panning should be controlled by movement of the tablet itself.

    I believe you commented elsewhere that this is NOT true for Lectora courses containing embedded CenarioVR scenarios under iOS. That’s the situation I’m referring to above, launching the Lectora course from ReviewLink on iPadOS with Safari.

    I checked, by the way, and the iPhone XR can’t even launch your public scenario about the sailing ship Namur. That is, it launches but is a blank, black screen.

    I really want to recommend the product to my management, but the majority of our employees have only iPhones or iPads, not computers or headsets. It’s make-or-break to be able to use the scenarios on the devices they actually have access to.

    #444791 Score: 0
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    John Blackmon
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    @johnb

    Things in the “public” area are not necessarily published with the latest version of CenarioVR. We are constantly updating the product to work with each release of iOS/iPadOS as they seem to introduce new bugs along the way. Please try publishing your content with the latest version to check compatibility.

     

     

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