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Png Renders as White Box on Mobile

I have some very simple png files that I am using in my main menu. They work perfectly on the computer but on mobile they simply render as white blocks. I tried using a PSD file instead but that didn't seem to do the trick.

I'm just using a widget blueprint with an "Image" that I hide/show. Super simple stuff but I seem to be having quite an issue with it.

Here's what I'm working with.

Playing in editor on computer: alt text

Playing on phone (Samsung S5 if it matters): alt text

Yeah I know my interface is beyond ugly but I would like to solve this before making it prettier :).

Product Version: UE 4.8
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menu_ss_comp.png (255.7 kB)
menu_ss_phone.png (137.3 kB)
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asked Aug 27 '15 at 07:23 AM in Rendering

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tehhax
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avatar image Jamie Dale STAFF Aug 27 '15 at 10:57 AM

Does the same thing happen if you run a cooked build on PC?

When you run via PIE, you're using non-cooked data, but the phone will be using cooked data. Trying a cooked build on PC should help us determine whether it's an issue with your data not being cooked.

avatar image tehhax Aug 27 '15 at 10:57 PM

Hey Jamie,

Thanks for the response! I just cooked the data and packaged for windows 64 bit. Everything looked great! Still at a loss as to why my pngs are white bricks still :(. I'm going to take a look at the settings that svv3d used and see if that solves it. If you have any more suggestions please let me know!

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HI!

This my test GUI setup

alt text

This is screenshot from Galaxy S2

alt text

gui_trans.png (240.1 kB)
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answered Aug 27 '15 at 09:22 AM

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svv3dUDN
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avatar image tehhax Aug 27 '15 at 11:02 PM

Thanks for the response!

I'm not sure if this completely solves my issue because I'm using the same settings as you with no luck. Very simple png texture without changing any settings. One thing that did spring to mind is the power of 2 size. My images dimensions are not a power of 2 at the moment and I really hope that is what is causing the issue. I'm going to resize them and report back.

Thanks for letting me know that it isn't simply a compatibility issue with the phone :).

Still open to suggestions if you have any more of them!

avatar image tehhax Aug 28 '15 at 02:36 AM

Oh god it was the power of 2 issue. I changed my images to 2048x2048 and they are now displaying correctly. That was something I totally overlooked because I haven't worked on an interface in a while.

Thank you so much UE4 staff you rock! Please re-mark your answer as correct. Hope this helps someone in a similar predicament!

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