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Android project crashes on start up

I was working on a simple project in unreal, I had deployed the game multiple times to my android phone without any problems, until it crashed when i start the app, saying "My project name has stopped working". When I make a new project in unreal and deploy it to the same phone it works. How can i check what is the error that is causing the app to crash? The game works fine in the preview mode.

Product Version: UE 4.12
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asked Sep 01 '16 at 04:31 AM in Packaging & Deployment

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avatar image Samantha Sutton ♦♦ STAFF Sep 01 '16 at 08:53 PM


In order to better assist you, I'm going to need for you to provide me the logs from your mobile device.

  • Attach your phone to the computer

  • Go here: C:\NVPACK\android-sdk-windows\tools

  • Open up Monitor.bat

  • Launch the program and save the logs

If you cannot get Monitor.bat to open, please go to:

  • C:\NVPACK\android-sdk-windows\tools\lib\monitor-x86

  • Open up Monitor.exe

  • Follow the instructions above

Make sure that you highlight all of the logs, because they do not save unless they're highlighted.

Thank you!

avatar image Zablon Sep 01 '16 at 10:26 PM

Okey so I saved the logs: I think the problem is in

 java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "__aeabi_memmove" referenced by "/data/app/com.platformer-1/lib/arm/libUE4.so"

But Im not sure what it means.

log.txt (2.4 kB)
avatar image Samantha Sutton ♦♦ STAFF Sep 02 '16 at 04:27 PM

While that may be the issue, that's only part of your logs. We would like to see from start to finish with the Monitor.bat logs. Seeing the whole picture helps us determine whether or not that's the actual issue.


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2 answers: sort voted first

Hey Zablon,

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will offer further assistance.

Thank you!

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answered Sep 06 '16 at 08:26 PM

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I've stumbled across the same issue, there is a post with more details: https://answers.unrealengine.com/questions/847624/crash-on-android-startup-cannot-locate-symbol-aeab.html

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answered Nov 17 '18 at 08:59 AM

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