title |
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Building an on-premise mode |
import Tabs from "@theme/Tabs"; import TabItem from "@theme/TabItem";
In this tutorial, we show you how to use geofences in Radar to show an on-premise mode when a user is in a geofence.
If you haven't already, sign up for Radar to get your API key. You can create up to 1,000 geofences and make up to 100,000 API requests per month for free.
There are several ways to create geofences:
The tag
is a group for the geofence. For example, you could set tag = venue
for gaming, or tag = restaurant
for restaurants. In this tutorial, we're going to use tag = store
.
Initialize the SDK with your publishable API key.
<Tabs groupId="initialize" defaultValue="swift" values={[ { label: 'Swift', value: 'swift' }, { label: 'Kotlin', value: 'kotlin' }, { label: 'Web', value: 'web' }, { label: 'React Native', value: 'react-native' }, { label: 'Flutter', value: 'flutter' } ]}
import UIKit
import RadarSDK
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
Radar.initialize(publishableKey: "prj_test_pk_...")
Radar.setUserId("foo")
return true
}
}
import io.radar.sdk.Radar
class MyApplication : Application() {
override fun onCreate() {
super.onCreate()
Radar.initialize(this, "prj_test_pk...")
Radar.setUserId("foo")
}
}
<html>
<head>
<title>Hello, world!</title>
<script src="https://js.radar.com/v4/radar.min.js"></script>
</head>
<body>
<div id="content">
</div>
<script type="text/javascript">
Radar.initialize("prj_test_pk_...");
Radar.setUserId("foo")
</script>
</body>
</html>
import React, { useState, useEffect } from "react";
import Radar from "react-native-radar";
export default function App() {
useEffect(() => {
Radar.initialize("prj_live_pk_...");
Radar.setUserId("foo")
}, []);
return (
<div id="content">
</div>
);
}
import 'package:flutter/material.dart';
import 'package:flutter_radar/flutter_radar.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
home: RadarTrackingScreen(),
);
}
}
class RadarTrackingScreen extends StatefulWidget {
const RadarTrackingScreen({super.key});
@override
_RadarTrackingScreenState createState() => _RadarTrackingScreenState();
}
class _RadarTrackingScreenState extends State<RadarTrackingScreen> {
@override
void initState() {
super.initState();
_initializeRadar();
}
void _initializeRadar() {
Radar.initialize("prj_test_pk_..."); // Replace with your actual Radar publishable key
Radar.setUserId('flutter-test-user');
Radar.setDescription('Flutter');
Radar.setMetadata({'foo': 'bar', 'bax': true, 'qux': 1});
Radar.setLogLevel('debug');
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Radar Tracking')),
body: const Center(
child: Text('Initialized Radar SDK'),
),
);
}
}
<Tabs groupId="initialize" defaultValue="swift" values={[ { label: 'Swift', value: 'swift' }, { label: 'Kotlin', value: 'kotlin' }, { label: 'Web', value: 'web' }, { label: 'React Native', value: 'react-native' }, { label: 'Flutter', value: 'flutter' } ]}
import UIKit
import RadarSDK
import CoreLocation
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, CLLocationManagerDelegate {
let locationManager = CLLocationManager()
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
Radar.initialize(publishableKey: "prj_test_pk_...")
Radar.setUserId("foo")
self.locationManager.delegate = self
self.requestLocationPermissions()
return true
}
func requestLocationPermissions() {
let status = self.locationManager.authorizationStatus
if status == .notDetermined {
self.locationManager.requestWhenInUseAuthorization()
}
}
}
import android.Manifest
import android.app.AlertDialog
import android.content.pm.PackageManager
import android.os.Build
import androidx.core.app.ActivityCompat
import io.radar.sdk.Radar
class MainActivity : AppCompatActivity() {
private val foregroundLocationPermissionsRequestCode = 1
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
Radar.initialize(this, "prj_test_pk_...")
Radar.setUserId("foo")
requestLocationPermissions()
}
private fun requestLocationPermissions() {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION), foregroundLocationPermissionsRequestCode)
}
}
}
When Radar.trackOnce()
is called, the browser will automatically prompt for foreground permissions.
<html>
<head>
<title>Hello, world!</title>
<script src="https://js.radar.com/v4/radar.min.js"></script>
</head>
<body>
<div id="content">
</div>
<script type="text/javascript">
Radar.initialize("prj_test_pk_...");
Radar.setUserId("foo");
Radar.trackOnce();
</script>
</body>
</html>
import React, { useState, useEffect } from "react";
import Radar from "react-native-radar";
export default function App() {
useEffect(() => {
Radar.initialize("prj_live_pk_...");
Radar.setUserId("foo")
Radar.requestPermissions(false).then((status) => {
// status will be "GRANTED_FOREGROUND" if permissions were granted
});
}, []);
return (
<div id="content">
</div>
);
}
Learn about platform-specific permissions in the iOS SDK documentation and Android SDK documentation.
import 'package:flutter/material.dart';
import 'package:flutter_radar/flutter_radar.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
home: RadarTrackingScreen(),
);
}
}
class RadarTrackingScreen extends StatefulWidget {
const RadarTrackingScreen({super.key});
@override
_RadarTrackingScreenState createState() => _RadarTrackingScreenState();
}
class _RadarTrackingScreenState extends State<RadarTrackingScreen> {
String _displayText = 'Initialized Radar SDK';
@override
void initState() {
super.initState();
_initializeRadar();
_requestPermissionsAndTrack();
}
void _initializeRadar() {
Radar.initialize("prj_test_pk_...."); // Replace with your actual Radar publishable key
Radar.setUserId('flutter-test-user');
Radar.setDescription('Flutter');
Radar.setMetadata({'foo': 'bar', 'bax': true, 'qux': 1});
Radar.setLogLevel('debug');
}
Future<void> _requestPermissionsAndTrack() async {
// Initial permission status check
var permissionStatus = await Radar.getPermissionsStatus();
// Check if permissions are not determined
if (permissionStatus == 'NOT_DETERMINED') {
print('Requesting foreground permissions...');
await Radar.requestPermissions(false); // Request foreground permission
}
// Status will be "GRANTED_FOREGROUND" if permissions were granted
if (permissionStatus == 'GRANTED_FOREGROUND') {
// Activate on-premise experience here
} else {
// Handle denied permissions
print('Location permissions not granted');
setState(() {
_displayText = 'Permissions denied, tracking is disabled.';
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Radar Tracking')),
body: const Center(
child: Text(_displayText),
),
);
}
}
Call Radar.trackOnce()
to track the user's location in the foreground. In the callback, check user.geofences
to determine if the user is in a store, then change the UI to show the on-premise experience.
<Tabs groupId="initialize" defaultValue="swift" values={[ { label: 'Swift', value: 'swift' }, { label: 'Kotlin', value: 'kotlin' }, { label: 'Web', value: 'web' }, { label: 'React Native', value: 'react-native' }, { label: 'Flutter', value: 'flutter' } ]}
import UIKit
import RadarSDK
import CoreLocation
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, CLLocationManagerDelegate {
let locationManager = CLLocationManager()
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
Radar.initialize(publishableKey: "prj_test_pk_...")
Radar.setUserId("foo")
self.locationManager.delegate = self
self.requestLocationPermissions()
Radar.trackOnce { (status, location, events, user) in
let isInStore = user?.geofences?.contains { $0.tag == "store" }
if isInStore {
// show on-premise mode
}
}
return true
}
func requestLocationPermissions() {
let status = self.locationManager.authorizationStatus
if status == .notDetermined {
self.locationManager.requestWhenInUseAuthorization()
}
}
}
import android.Manifest
import android.app.AlertDialog
import android.content.pm.PackageManager
import android.os.Build
import androidx.core.app.ActivityCompat
import io.radar.sdk.Radar
class MainActivity : AppCompatActivity() {
private val foregroundLocationPermissionsRequestCode = 1
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
Radar.initialize(this, "prj_test_pk_...")
Radar.setUserId("foo")
requestLocationPermissions()
}
override fun onStart() {
super.onStart()
Radar.trackOnce { status, location, events, user ->
val isInStore = user?.geofences?.any { geofence.tag == "store" }
if (isInStore) {
// show on-premise mode
}
}
}
private fun requestLocationPermissions() {
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION), foregroundLocationPermissionsRequestCode)
}
}
}
<html>
<head>
<title>Hello, world!</title>
<script src="https://js.radar.com/v4/radar.min.js"></script>
</head>
<body>
<div id="content">
</div>
<script type="text/javascript">
Radar.initialize("prj_test_pk_...");
Radar.setUserId("foo");
Radar.trackOnce().then((result) => {
const user = result.user;
for (const geofence of user.geofences) {
if (geofence.tag === 'store') {
// show on-premise mode
}
}
}).catch((err) => {
// handle error
});
</script>
</body>
</html>
import React, { useState, useEffect } from "react";
import Radar from "react-native-radar";
export default function App() {
const [isInStore, setIsInStore] = useState(false);
useEffect(() => {
Radar.initialize("prj_live_pk_...");
Radar.setUserId("foo");
Radar.requestPermissions(false).then((status) => {
// status will be "GRANTED_FOREGROUND" if permissions were granted
Radar.trackOnce().then((result) => {
const { user } = result;
for (const geofence of user.geofences) {
if (geofence.tag === 'store') {
setIsInStore(true);
}
}
}).catch((err) => {
// handle error
});
});
}, []);
return (
<div id="content">
{ isInStore ? (
{/* Show on-premise mode */}
) : (
{/* Show default UI */}
)}
</div>
);
}
import 'package:flutter/material.dart';
import 'package:flutter_radar/flutter_radar.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
home: RadarTrackingScreen(),
);
}
}
class RadarTrackingScreen extends StatefulWidget {
const RadarTrackingScreen({super.key});
@override
_RadarTrackingScreenState createState() => _RadarTrackingScreenState();
}
class _RadarTrackingScreenState extends State<RadarTrackingScreen> {
String _displayText = 'Initialized Radar SDK';
@override
void initState() {
super.initState();
_initializeRadar();
_requestPermissionsAndTrack();
}
void _initializeRadar() {
Radar.initialize("prj_test_pk_..."); // Replace with your actual Radar publishable key
Radar.setUserId('flutter-test-user');
Radar.setDescription('Flutter');
Radar.setMetadata({'foo': 'bar', 'bax': true, 'qux': 1});
Radar.setLogLevel('debug');
}
Future<void> _requestPermissionsAndTrack() async {
// Initial permission status check
var permissionStatus = await Radar.getPermissionsStatus();
// Check if permissions are not determined
if (permissionStatus == 'NOT_DETERMINED') {
print('Requesting foreground permissions...');
permissionStatus = await Radar.requestPermissions(false); // Request foreground permission
}
if (permissionStatus == 'GRANTED_FOREGROUND') {
var res = await Radar.trackOnce();
// Check if the user is in a geofence to activate on-premise mode
var geofences = res?['user']?['geofences'];
if (geofences!= null && geofences.isNotEmpty) {
// If user is in a geofence, activate on-premise mode
setState(() {
_displayText = 'In geofence: ${geofences[0]['description']}';
});
} else {
// User is not in a geofence
print('User is not in any geofence');
}
} else {
// Handle denied permissions
print('Location permissions not granted');
setState(() {
_displayText = 'Permissions denied, tracking is disabled.';
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Radar Tracking')),
body: Center(
child: Text(_displayText), // Display on-premise mode
),
);
}
}
Have questions or feedback on this documentation? Let us know! Contact us at radar.com/support.