React Native Expo beacon test with react-native-beacons-manager

build.gradle

apply plugin: 'com.android.application'

android {
  compileSdkVersion 24
  buildToolsVersion '24.0.3'

  defaultConfig {
    applicationId "com.xxx.beacontest"
    minSdkVersion 19
    targetSdkVersion 24
    versionCode 1
    versionName "1.0"
    multiDexEnabled true
    ndk {
      abiFilters 'armeabi-v7a', 'x86'
    }
    manifestPlaceholders = [
      'appAuthRedirectScheme': 'com.xxx.beacontest'
    ]
  }
  buildTypes {
    release {
      minifyEnabled false
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
  }
  dexOptions {
    javaMaxHeapSize "8g"
  }
}

task exponentPrebuildStep(type: Exec) {
  workingDir '../../'

  if (System.getProperty('os.name').toLowerCase().contains('windows')) {
    commandLine 'cmd', '/c', '.\\.expo-source\\android\\detach-scripts\\prepare-detached-build.bat'
  } else {
    commandLine './.expo-source/android/detach-scripts/prepare-detached-build.sh'
  }
}
preBuild.dependsOn exponentPrebuildStep

repositories{
  flatDir{
    dirs 'libs'
  }
  mavenLocal()
  maven { url 'https://maven.fabric.io/public' }
}

dependencies {
  compile(project(':react-native-beacons-manager')) { exclude module: 'react-native' }
  compile fileTree(dir: 'libs', include: ['*.jar'])
  testCompile 'junit:junit:4.12'
  compile 'com.android.support:appcompat-v7:24.1.1'
  compile 'com.android.support:multidex:1.0.0'


  compile('host.exp.exponent:expoview:15.0.0@aar') {
    exclude group: 'com.facebook.android', module: 'facebook-android-sdk'
    exclude group: 'com.facebook.android', module: 'audience-network-sdk'
    exclude group: 'io.nlopez.smartlocation', module: 'library'
    transitive = true;
  }

  compile ('com.facebook.android:facebook-android-sdk:4.7.0') {
    exclude module: 'bolts-android'
  }
  compile('com.facebook.android:audience-network-sdk:4.19.0') {
    exclude module: 'play-services-ads'
  }
  compile('io.nlopez.smartlocation:library:3.2.11') {
    transitive = false
  }


}

main.js

import Expo from 'expo';
import React from 'react';
import { StyleSheet, Text, View, DeviceEventEmitter } from 'react-native';

import Beacons from 'react-native-beacons-manager';

// Tells the library to detect iBeacons
Beacons.detectIBeacons();

// Monitoring
try {
  const myRegion = {
    identifier: 'AXAET-01',
    uuid: 'fda50693-a4e2-4fb1-afcf-c6eb07647825',
    minor: 54480,
    major: 10004
  };

  Beacons.startMonitoringForRegion(myRegion);

  console.log('Beacons monitoring started successfully');
} catch (err) {
  console.log('Beacons monitoring not started, error: ${err}');
}

// monitoring:
DeviceEventEmitter.addListener(
  'regionDidEnter',
  ({ identifier, uuid, minor, major }) => {
    console.log('monitoring - regionDidEnter data: ', { identifier, uuid, minor, major });
  }
);

DeviceEventEmitter.addListener(
  'regionDidExit',
  ({ identifier, uuid, minor, major }) => {
    console.log('monitoring - regionDidExit data: ', { identifier, uuid, minor, major });
  }
);

class App extends React.Component {
  render() {
    return (
      <View style={styles.container}>
        <Text>Open up main.js to start working on your app!</Text>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
    alignItems: 'center',
    justifyContent: 'center',
  },
});

Expo.registerRootComponent(App);

package.json

{
  "name": "beacon-test-01",
  "version": "0.0.0",
  "description": "Hello Expo!",
  "author": null,
  "private": true,
  "main": "main.js",
  "dependencies": {
    "expo": "^15.0.2",
    "react": "~15.4.0",
    "react-native": "https://github.com/exponent/react-native/archive/sdk-15.0.0.tar.gz",
    "react-native-beacons-manager": "^1.0.4"
  }
}