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Author message:

This package moved to @estimote/react-native-proximity

react-native-estimote-proximity

React Native wrapper for Estimote Proximity SDK.

You can read more about Estimote Proximity on developer.estimote.com.

• Installation
• Location permission
• Background support
• Usage & examples
• Contact & feedback

Installation

$ npm install react-native-estimote-proximity --save
$ react-native link react-native-estimote-proximity

On iOS, you also need to add Estimote Proximity SDK and its dependencies to your app's Xcode project. The easiest way to do that is via CocoaPods:

1. Install CocoaPods: https://cocoapods.org

2. In the ios directory of your app, add a Podfile with this content:

   platform :ios, '10.0'
   
   target 'NAME_OF_YOUR_APP' do
     pod 'EstimoteProximitySDK'
   end

   The NAME_OF_YOUR_APP is usually the same thing you used with react-native init.

3. Inside the ios directory, run:

   $ pod --repo-update install
   

On Android, you need to bump the minSdkVersion of your app to 18, since that's the lowest Estimote Proximity SDK supports. In the android/app/build.gradle file: find minSdkVersion 16 and change it to 18.

Location permission

Since detecting proximity to Bluetooth beacons gives you some idea of the user's location, both iOS and Android require that the user agrees to that, even though we're not actually using GPS or the likes. Location services must also be globally enabled in the system.

import * as RNEP from 'react-native-estimote-proximity'

// this will trigger a popup with "allow this app to access your location?"
RNEP.locationPermission.request()
  .then(permission => { // this is the user's decision
    // permission can be equal to:
    // * RNEP.locationPermission.DENIED - proximity detection won't work
    // * RNEP.locationPermission.WHEN_IN_USE - only when the app is active
    // * RNEP.locationPermission.ALWAYS - even when the app is not active
  })

On iOS, you also need to make sure you have the following entries in your app's Info.plist file: (you'll usually find it at ios/APP_NAME/Info.plist)

<key>NSLocationWhenInUseUsageDescription</key>
<string>We'll show you things near you in the app.</string>
<key>NSLocationAlwaysAndWhenInUseUsageDescription</key>
<string>We'll show you things near you in the app. With "always" access, we'll
        also send you notifications when you're near something interesting.</string>

These are the messages that iOS will show as part of the location permission popup.

On Android, you need to bump the targetSdkVersion of your app to 23, since that's when the new permissions system was introduced. In the android/app/build.gradle file: find targetSdkVersion 22 and change it to 23.

Background support

Other than obtaining the ALWAYS location permission, there's just a little bit more to do if you want your app to keep getting the enter/exit/change callbacks in the background.

On iOS, you need to:

1. Open the Xcode project.
2. Click on the top-level item in the project navigator to access the project settings.
3. Make sure your app is selected in the "TARGETS" section.
4. Go to the "Capabilities" tab.
5. Enable "Background Modes" and check "Uses Bluetooth LE accessories".

On Android, you need to:

1. Make sure your target API level is at least 23.
   • In the android/app/build.gradle file: find targetSdkVersion 22 and change it to 23.
2. [TBD]

Usage & examples

Check example/index.js for a quick run-down of how to use this library.

You can run the example app with the usual react-native run-android and run-ios. Note that iOS and Android simulators don't support Bluetooth, so you need to run it on a physical device.

To run the example on iOS, you also need to install pods (dependencies) first:

1. Install CocoaPods: https://cocoapods.org

2. Inside the example/ios directory, run:

   $ pod --repo-update install
   

Contact & feedback

Let us know your thoughts, feedback, and questions on forums.estimote.com.