build.gradle

task ndkBuild(type: Exec, description: ‘Compile JNI source via NDK’) {
    println(‘executing ndkBuild’)
    def ndkDir = project.android.ndkDirectory
    commandLine “$ndkDir/ndk-build”,
        ‘NDK_PROJECT_PATH=build/intermediates/ndk’,
        ‘APP_BUILD_SCRIPT=src/main/jni/Android.mk’,
        ‘NDK_APPLICATION_MK=src/main/jni/Application.mk’,
        ‘V=1’
}