sample/build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.davemorrissey.labs.subscaleview.test"
    }

    sourceSets {
        main {
            assets.srcDirs = ['assets']
        }
    }
}

dependencies {
    implementation project(':library')
    implementation 'com.android.support:support-v4:27.0.2'
}