build.gradle

buildscript {
    // The Android Gradle plugin is only required when opening the android folder stand-alone.
    // This avoids unnecessary downloads and potential conflicts when the library is included as a
    // module dependency in an application project.
    if (project == rootProject) {
        repositories {
            mavenCentral()
            google()
            jcenter()
        }
        def buildGradleVersion = ext.has('buildGradlePluginVersion') ? ext.get('buildGradlePluginVersion') : '4.2.2'

        dependencies {
            classpath "com.android.tools.build:gradle:$buildGradleVersion"
        }
    }
}

apply plugin: 'com.android.library'

def safeExtGet(prop, fallback) {
    rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
}

android {
    compileSdkVersion safeExtGet('compileSdkVersion', 30)
    buildToolsVersion safeExtGet('buildToolsVersion', '30.0.3')

    defaultConfig {
        minSdkVersion safeExtGet('minSdkVersion', 16)
        targetSdkVersion safeExtGet('targetSdkVersion', 30)
        versionCode 1
        versionName "1.0"

        externalNativeBuild {
            cmake {
                cppFlags "-O2 -frtti -fexceptions -Wall -fstack-protector-all"
                abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
            }
        }   
    }

    externalNativeBuild {
        cmake {
            path "CMakeLists.txt"
        }
    }
    
    buildTypes {
        release {
            minifyEnabled false
        }
    }

    lintOptions {
        abortOnError false
        disable 'GradleCompatible'
    }

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

repositories {
    mavenLocal()
    mavenCentral()
    google()
    maven {
        // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
        url "$rootDir/../node_modules/react-native/android"
    }
    jcenter()
}

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