build.gradle

apply plugin: 'com.android.library'

android {
    compileSdkVersion 27
    buildToolsVersion "23.0.1"

    defaultConfig {
        minSdkVersion 16
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

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

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'com.facebook.react:react-native:+'
    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'androidx.annotation:annotation:1.0.2'
}