Gradle android project build config.

build.gradle

buildscript {
    repositories {
        mavenCentral()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:0.6+'
    }
}

apply plugin: 'android'

dependencies {
    compile fileTree(dir: "$buildDir/native-libs", include: 'native-libs.jar')
    compile fileTree(dir: 'libs', include: '*.jar')

    compile project(":Projectname")
  

}

android {
    buildToolsVersion "17.0"
    compileSdkVersion 10

    sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDirs = ['src']
            resources.srcDirs = ['gen']
            res.srcDirs = ['res']
            assets.srcDirs = ['assets']
            aidl.srcDirs = ['src']
        }
    }

    signingConfigs {
        release {
            storeFile file("your.keystore")
            storePassword "******"
            keyAlias "alias"
            keyPassword "******"
        }
    }

    buildTypes {
        release {
            signingConfig signingConfigs.release
        }
    }
}

task nativeLibsToJar(type: Zip, description: 'create a jar archive of the native libs') {
    destinationDir file("$buildDir/native-libs")
    baseName 'native-libs'
    extension 'jar'
    from fileTree(dir: 'libs', include: '**/*.so')
    into 'lib/'
}

tasks.withType(JavaCompile) {
    compileTask -> compileTask.dependsOn(nativeLibsToJar)
}