build.gradle

apply plugin: 'com.android.library'

def DEFAULT_COMPILE_SDK_VERSION = 27
def DEFAULT_BUILD_TOOLS_VERSION = "27.0.3"
def DEFAULT_TARGET_SDK_VERSION = 27
def DEFAULT_MIN_SDK_VERSION = 16

android {
    compileSdkVersion project.hasProperty('compileSdkVersion') ? project.compileSdkVersion : DEFAULT_COMPILE_SDK_VERSION
    buildToolsVersion project.hasProperty('buildToolsVersion') ? project.buildToolsVersion : DEFAULT_BUILD_TOOLS_VERSION

    defaultConfig {
        minSdkVersion project.hasProperty('minSdkVersion') ? project.minSdkVersion : DEFAULT_MIN_SDK_VERSION
        targetSdkVersion project.hasProperty('targetSdkVersion') ? project.targetSdkVersion : DEFAULT_TARGET_SDK_VERSION
        versionCode 1
        versionName "1.0"
        ndk {
            abiFilters "armeabi-v7a", "x86"
        }
    }
    lintOptions {
       warning 'InvalidPackage'
    }
}

dependencies {
    implementation 'com.facebook.react:react-native:+'
}