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[4.7.6] Black Screen on Android casting c++ class to blueprint

[Version 4.7.6]

I have been struggling with this issue for a while. My project was built on the Puzzle Blueprint prototype and I was able to deploy correctly this basic project on my Nvidia Shield Tablet. I have no compiling errors and everything works fine in-editor, but deploying on my device results in permanent black screen. I tried to regress to previous stages in order to understand the source of the issue. I have a grid defined in c++ that spawns tiles, which are defined in a c++ class as well; the tile class contain a grid variable. Then I extended these two basic classes in blueprints, and when I try to cast the grid variable belonging to the blueprint tile class into the blueprint derived grid class, black screen starts appearing. If I remove the casting (leaving the reference), everything is fine. I read that many people are experiencing black screens in 4.7, so I tried the 4.8 preview, with no luck.

Any ideas?

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asked May 10 '15 at 03:09 PM in Packaging & Deployment

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avatar image Rask May 12 '15 at 01:54 PM


  • Already tried disabling 'mobile HDR'.

  • The default map is set correctly.

  • Changing the deploying options does not change the result.

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Hello Rask,

Would you mind testing to see if you still get this error when packaging with engine version 4.9.2?

Thank you,

Andrew Hurley

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answered Oct 11 '15 at 07:34 PM

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