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platform_considerations.md

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Platform Considerations

In order to support some of our more low level features, Rive brings some of its C++ runtime to Flutter.

Platform Technology Dependencies
iOS FFI statically linked
Android FFI rive_text.so
Windows FFI rive_plugin.dll
Mac FFI statically linked
Web WASM rive_text.js, rive_text.wasm

iOS & Mac

We use cocoapods to build and statically link to your project the portions of Rive's C++ runtime that are necessary for text features.

Android

We use Gradle & CMake to build rive_text.so. Rive's runtime uses modern features that are only available on newer NDKs, for this reason we recommend updating your build.gradle to include ndkVersion 25.1.8937393

android {
  compileSdkVersion 31
  ndkVersion "25.1.8937393"
  ...
}

Windows

We use CMake to build rive_plugin.dll. Note that Clang compiler is required, see here for how to enable it in your Visual Studio: https://learn.microsoft.com/en-us/cpp/build/clang-support-msbuild?view=msvc-170

Web

We use emscripten to build a wasm and js file which are statically served via unpkg similarly to how Flutter delivers the CanvasKit wasm file.