android studio - Error: Your project contains C++ files but it is not using a supported native build

Question

Error:Execution failed for task ':app:compileDebugNdk'.

Error: Your project contains C++ files but it is not using a supported native build system. Consider using CMake or ndk-build integration with the stable Android Gradle plugin:

Screenshot

Answer 1

It seems that you already have the C++ code, and the Makefiles in the project directory, in which case, you simply have to link Gradle to the native library:

1. In your project pane, right-click on your module, and select Link C++ Project with Gradle.

2. From the drop-down select either CMake or ndk-build, depending on your project

   a. If you selected CMake, specify the CMakeLists.txt script in your project

   b. If you selected ndk-build, specify the Android.mk.

Source: https://developer.android.com/studio/projects/add-native-code.html#existing-project