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Unity Engine

Introducing native plug-ins for Android

Understand native plug-ins for Android and their use-cases.
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You can use native plug-ins in Android applications. There are different types of native plug-in, and the project's scripting backend determines which plug-in types Unity supports. The possible plug-in types are:
  • Shared library: Plug-ins packaged in a shared library (
    .so
    ).
  • Static library: Plug-ins packaged in a static library (
    .a
    ).
  • C/C++ source files: C/C++ source files that Unity compiles along with IL2CPP generated files. This includes all C/C++ source files with extensions 
    .c
    , 
    .cc
    , 
    .cpp
    and 
    .h
    .

Scripting backend compatibility

The following table shows which scripting backends support the different types of native plug-ins.

Scripting backend

Shared library

Static library

C/C++ source files

IL2CPPYesYesYes
MonoYesNoNo
Notes:
  • IL2CPP scripting backend doesn’t support direct use of .NET dynamic linked libraries (.dll) at runtime. These libraries must be converted to C++ code during the build process.
  • Integration with other .NET runtime platforms, such as Xamarin isn’t supported.

Additional resources