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Resolution detection is broken

Hi! After update UE 4.7, resolution detect incorrect alt text

Product Version: Not Selected
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asked Mar 01 '15 at 03:26 PM in Bug Reports

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avatar image Adam Davis STAFF Mar 01 '15 at 04:16 PM

Hi Evgeny_Efremov,

What steps are you taking that reproduce this error?

avatar image Bagby_NK Mar 01 '15 at 04:20 PM
  1. Make new project and build them -> result black screen

  2. Download TappyChicken and build them -> result on screen

avatar image Adam Davis STAFF Mar 01 '15 at 04:33 PM

What device/OS are you currently using?

avatar image Bagby_NK Mar 01 '15 at 04:35 PM

Device OPPO Find 5 (X909) Android 4.1.1

avatar image Adam Davis STAFF Mar 01 '15 at 04:39 PM

Thank you for your report. We have assigned this issue to a member of our support staff, and they will begin investigation as soon as possible. If we are unable to reproduce the issue, or we need additional information, our staff member will comment here with additional questions. Otherwise, we will post an ‘Answer’ once we have logged the issue in our bug database or we have a solution for it. In the meantime, please be sure to review our suggestions for how to report a bug, and feel free to edit your post if you have additional information to provide: https://answers.unrealengine.com/questions/12363/how-do-i-report-a-bug.html Thank you.

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1 answer: sort voted first

Howdy Evgeny,

Thank you for reporting this resolution error that you have been seeing. I have tested on a device internally that is closely related to your device but I have seen no errors. I have checked our Android Device Compatibility sheet and, since your device is not listed on that sheet, that your device is not supported.

This does not mean that you device is unable to run any project deployed to it, but, since it is untested, we are unable to provide any solution as to what may be occurring. I was using the Xiaomi MI-2S mobile device and saw no errors. Have you changed any of the Android Project Setting that could of caused the error or would this be with a fresh download of Tappy Chicken?

Thanks and have a great day!

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answered Mar 03 '15 at 08:33 PM

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[Epic] Gribbs ♦♦ STAFF
11.8k 292 14 77

avatar image Bagby_NK Mar 04 '15 at 03:06 AM

Hi! What settings to change? Verify please on the device with a resolution 1920*1080. I reload Tappy Chicken - nothing has changed. More screenshots of my project ver 4.6 alt text

ver 4.7 alt text Pay attention to the HUD. Can be a problem in +CVars=r.MobileContentScaleFactor. I change value but nothing has changed.

Thank you for your attention!

ue46_s.png (906.8 kB)
ue47_s.png (449.9 kB)
avatar image [Epic] Gribbs ♦♦ STAFF Mar 04 '15 at 02:34 PM

Are you using the 4.7 version of UE4 of the 4.7.1 version? I have been testing in 4.7.1.

Also would you be using a binary build of UE4 or a source build?


avatar image Bagby_NK Mar 04 '15 at 02:53 PM

I`m using 4.7.1 version, and binary build!

avatar image [Epic] Gribbs ♦♦ STAFF Mar 04 '15 at 04:37 PM

Would you be changing any of the Android Project Settings under the Project Settings? If you have, would you be able to provide screenshots of your settings?

Can you replicate this issue on a blank template project?


avatar image Bagby_NK Mar 04 '15 at 05:40 PM

With screenshot Blank project

alt text

With screenshot android settings

alt text

I`m download Tappy Chicken from google play the problem remains

set.png (220.1 kB)
avatar image [Epic] Gribbs ♦♦ STAFF Mar 04 '15 at 10:16 PM

I have tested Tappy Chicken, both deployed from UE4 and from the Google play store, and still have not seen any errors. I believe that the error still has to do with the device not being supported. Though you have seen it work before, it does not always mean that deploying projects to that device will work. With that device being on the lower end of CPU and GPU, That seems to be the only conclusion I can make at this time.

Would you have any other devices that you may be able to test on? Possibly one that may be on that list. That would give us the best chance to compare and see if it is the device or the project.


avatar image Bagby_NK Mar 06 '15 at 07:15 AM

Hi! I solved the problem. In GameMode blueprint, add Event Begin Play -> Execute Console Command-> setres 1920x1080.

In Level blueprint I added :

alt text

Screen launched application

alt text

Resolution Not detected!

lb.jpg (218.7 kB)
avatar image [Epic] Gribbs ♦♦ STAFF Mar 06 '15 at 04:47 PM

Howdy Evgeny,

Glad to hear that you were able to resolve the issue of screen resolution. As for the Resolution not being detected, I have bee able to recreate this issue internally . I have entered Jira report UE-11409 and placed this issue into our Bug database so it may be addressed in a future release. Please let me know if you have any additional questions regarding this issue.

Thanks and have a great day!

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