eclipse structure build.gradle

build.gradle(library)

apply plugin: 'android-library'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 17
    buildToolsVersion '19.1.0'

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

        instrumentTest.setRoot('tests')
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
        }
    }
}

dependencies {
    compile 'com.android.support:support-v4:19.0.0'
}

build.gradle(sample-aar)

apply plugin: 'android'


repositories {
    flatDir {
        dirs 'libs'
    }
}

android {
    compileSdkVersion 17
    buildToolsVersion '19.1.0'

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

        instrumentTest.setRoot('tests')
    }

    buildTypes {}
}

dependencies {
    compile 'com.android.support:support-v4:20.0.0'
    compile(name:'library-release', ext:'aar')
}

build.gradle(sample-module)

apply plugin: 'android'


repositories {
    flatDir {
        dirs 'libs'
    }
}

android {
    compileSdkVersion 17
    buildToolsVersion '19.1.0'

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

        instrumentTest.setRoot('tests')
    }

    buildTypes {}
}

dependencies {
    compile project(':library')
}

setting.gradle

include ':library'
include ':sample'