build.gradle

buildscript {
    repositories {
            mavenCentral()
    }
    dependencies {
            classpath 'com.android.tools.build:gradle:0.9.+'
    }
}

apply plugin: 'android'

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.3"

    sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDir      'src'
            res.srcDir       'res'
            assets.srcDir    'assets'
            resources.srcDir 'src'
            aidl.srcDir '     src'
            
            // add compiled libs to apk!
            jniLibs.srcDir 'libs'
        }
    }
          
    // the defines how to trigger ndk-build to create droidcon-native.so
    task ndkBuild(type: Exec) {
        if (System.properties['os.name'].toLowerCase().contains('windows')) {
            commandLine 'ndk-build.cmd'
        } else {
            commandLine 'ndk-build'
        }
    }

    tasks.withType(Compile) {
        compileTask -> compileTask.dependsOn ndkBuild
    }
}