apply plugin: 'com.android.library' android { compileSdkVersion 25 buildToolsVersion "25.0.2" defaultConfig { minSdkVersion 21 targetSdkVersion 25 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" externalNativeBuild { ndkBuild { cFlags "-std=c11", "-Wall", "-Wextra", "-Werror", "-Os", "-fno-stack-protector", "-Wl,--gc-sections" } } ndk { abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a' } } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } externalNativeBuild { ndkBuild { path "src/main/jni/Android.mk" } } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { exclude group: 'com.android.support', module: 'support-annotations' }) compile 'com.android.support:appcompat-v7:25.3.1' testCompile 'junit:junit:4.12' }