基本的 JNI Gradle 配置

root：build.gradle

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle-experimental:0.8.0-alpha4'
    }
}

allprojects {
    repositories {
        jcenter()
    }
}

app：build.gradle

apply plugin: 'com.android.model.application'

dependencies {
    compile "com.android.support:support-v4:23.3.0"
    compile fileTree(dir: 'libs', include: '*.jar')
}

model {
    android {
        compileSdkVersion = 23
        buildToolsVersion = '23.0.3'

        defaultConfig {
            applicationId = 'com.example.hello'
            minSdkVersion.apiLevel = 9
            targetSdkVersion.apiLevel = 23

            buildConfigFields {
                create() {
                    type "int"
                    name "VALUE"
                    value "1"
                }
            }
        }

        ndk {
            platformVersion = 9
            moduleName "hello"

            toolchain "clang"

            stl "gnustl_static"
            CFlags.add("-DANDROID_NDK")
            cppFlags.add("-std=c++11")

            ldLibs.add("android")
            ldLibs.add("dl")
            ldLibs.add("log")
        }

        sources {
            main {
                jni {
                    exportedHeaders {
                        srcDirs "../../common/headers"
                    }
                    source {
                        srcDirs "../../common/src"
                    }
                }
            }
        }
    }
}