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Question by jimmycrazyskills · Mar 15, 2015 at 07:49 PM · androidimportdllpluginsexternal

How do I include added dll's to a android apk build?

Hi currently im referencing an external dll and import it using [DllImport("dll_name_here")] nut this doesn;t seem to work with android, do I need to place this in a certain folder or does it need to be in a different format? Sorry this is probably a wierd question but im quite confused about dlls and such!

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Answer by jilleJr · Apr 18, 2019 at 11:33 AM

If it doesn't find the DLL then it could be because it is being stripped. Try specifying it in a link.xml linker file to force it being included.

Example:

 <linker>
        <assembly fullname="AssemblyNameOfDLLYouWantIncluded" preserve="all"/>
 </linker>

The "fullname" attribute is in most cases the same value as the name of the DLL file (without extension).

Save that to file link.dll. It can be placed anywhere, or rather, more specifically, as quoted from the manual:

"/.../ creating a link.xml file and placing it into the Assets folder (or any subdirectory of Assets)."


Ref: https://docs.unity3d.com/Manual/IL2CPP-BytecodeStripping.html

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