Chad

app/build.gradle

@@ -34,6 +34,7 @@ android {
     buildFeatures {
         viewBinding true
     }
+    namespace 'com.ar.application'
 }
 
 dependencies {
@@ -43,7 +44,9 @@ dependencies {
     implementation 'com.google.android.material:material:1.6.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'com.google.android.gms:play-services-maps:18.1.0'
+    implementation 'com.google.android.gms:play-services-location:20.0.0'
     implementation 'com.google.firebase:firebase-messaging-ktx:23.0.8'
+    implementation 'com.google.firebase:firebase-database-ktx:20.0.6'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'

app/src/main/AndroidManifest.xml

@@ -1,12 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="com.ar.application">
+    xmlns:tools="http://schemas.android.com/tools">
 
-    <uses-permission android:name="android.permission.RECEIVE_SMS"/>
-    <uses-permission android:name="android.permission.SEND_SMS"/>
-    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
-    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
+    <uses-permission android:name="android.permission.RECEIVE_SMS" />
+    <uses-permission android:name="android.permission.SEND_SMS" />
+    <uses-permission android:name="android.permission.INTERNET" />
 
     <application
         android:allowBackup="true"
@@ -32,7 +33,7 @@
         -->
         <meta-data
             android:name="com.google.android.geo.API_KEY"
-            android:value="${MAPS_API_KEY}" />
+            android:value="AIzaSyBesYoZOX1GYDg1n5JySelTKaTPafyfm1w" />
 
         <activity
             android:name=".TracingRoute"
@@ -54,6 +55,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <receiver android:name=".GeofenceReceiver" />
     </application>
 
 </manifest>

app/src/main/java/com/ar/application/Fence.kt

@@ -0,0 +1,7 @@
+package com.ar.application
+
+data class Fence(
+    var key: String = "",
+    var lat: Double = 0.0,
+    var lng: Double = 0.0,
+)

app/src/main/java/com/ar/application/GeofenceReceiver.kt

@@ -0,0 +1,54 @@
+package com.ar.application
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import com.ar.application.Geofencing.Companion.showNotification
+import com.google.android.gms.location.Geofence
+import com.google.android.gms.location.GeofencingEvent
+import com.google.firebase.database.DataSnapshot
+import com.google.firebase.database.DatabaseError
+import com.google.firebase.database.ValueEventListener
+import com.google.firebase.database.ktx.database
+import com.google.firebase.database.ktx.getValue
+import com.google.firebase.ktx.Firebase
+
+class GeofenceReceiver: BroadcastReceiver() {
+    lateinit var key: String
+    lateinit var message: String
+    override fun onReceive(p0: Context?, p1: Intent?) {
+        if (p0 != null) {
+            val geofencingEvent = p1?.let { GeofencingEvent.fromIntent(it) }
+            val geofenceTransition = geofencingEvent?.geofenceTransition
+
+            if (geofenceTransition == Geofence.GEOFENCE_TRANSITION_ENTER
+                || geofenceTransition == Geofence.GEOFENCE_TRANSITION_DWELL) {
+                if (p1 != null) {
+                    key = p1.getStringExtra("key")!!
+                    message = p1.getStringExtra("message")!!
+                }
+
+                // retrieving data from database
+                val database = Firebase.database
+                val reference = database.getReference("fences")
+                val fenceListener = object : ValueEventListener {
+                    override fun onDataChange(snapshot: DataSnapshot) {
+                        val fence = snapshot.getValue<Fence>()
+                        if (fence != null) {
+                            showNotification(
+                                p0.applicationContext,
+                                message
+                            )
+                        }
+                    }
+
+                    override fun onCancelled(error: DatabaseError) {
+                        println("Fence: onCancelled: ${error.details}")
+                    }
+                }
+                val child = reference.child(key)
+                child.addValueEventListener(fenceListener)
+            }
+        }
+    }
+}