From df2a39bcd2c47a374863af3f1ef24d09c5b84742 Mon Sep 17 00:00:00 2001
From: Cristan Meijer <cristan.meijer@gmail.com>
Date: Tue, 17 Dec 2024 13:55:35 +0100
Subject: [PATCH] Fall back to the old fashioned GPS provided when Play
 Services are absent

---
 .../util/LocationLoader.kt                    | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/app/src/main/java/nl/ovfietsbeschikbaarheid/util/LocationLoader.kt b/app/src/main/java/nl/ovfietsbeschikbaarheid/util/LocationLoader.kt
index 3bc4cab..fb70c32 100644
--- a/app/src/main/java/nl/ovfietsbeschikbaarheid/util/LocationLoader.kt
+++ b/app/src/main/java/nl/ovfietsbeschikbaarheid/util/LocationLoader.kt
@@ -2,14 +2,22 @@ package nl.ovfietsbeschikbaarheid.util
 
 import android.annotation.SuppressLint
 import android.content.Context
+import android.content.Context.LOCATION_SERVICE
 import android.location.Location
+import android.location.LocationListener
+import android.location.LocationManager
+import android.os.Bundle
+import com.google.android.gms.common.ConnectionResult
+import com.google.android.gms.common.GoogleApiAvailability
 import com.google.android.gms.location.CurrentLocationRequest
 import com.google.android.gms.location.Granularity
 import com.google.android.gms.location.LocationServices
 import com.google.android.gms.location.Priority
 import com.google.android.gms.tasks.CancellationTokenSource
 import dev.jordond.compass.Coordinates
+import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.tasks.await
+import kotlin.coroutines.resume
 
 class LocationLoader(
     private val context: Context
@@ -20,6 +28,12 @@ class LocationLoader(
 
     @SuppressLint("MissingPermission")
     suspend fun loadCurrentCoordinates(): Coordinates? {
+        val playServicesAvailable = GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(context)
+        if (playServicesAvailable != ConnectionResult.SUCCESS) {
+            val locationService = context.getSystemService(LOCATION_SERVICE) as LocationManager
+            return locationService.awaitCurrentLocation()?.toCoordinates()
+        }
+
         val currentLocationRequest = CurrentLocationRequest.Builder()
             .setDurationMillis(5000)
             .setGranularity(Granularity.GRANULARITY_COARSE)
@@ -39,4 +53,31 @@ class LocationLoader(
     }
 }
 
+@SuppressLint("MissingPermission")
+private suspend fun LocationManager.awaitCurrentLocation(): Location? {
+    return suspendCancellableCoroutine { continuation ->
+        val provider = LocationManager.GPS_PROVIDER
+
+        val locationListener = object : LocationListener {
+            override fun onLocationChanged(location: Location) {
+                continuation.resume(location)
+            }
+
+            @Deprecated("Deprecated in Java")
+            override fun onStatusChanged(provider: String?, status: Int, extras: Bundle?) = Unit
+            override fun onProviderEnabled(provider: String) = Unit
+            override fun onProviderDisabled(provider: String) {
+                continuation.resume(null) // Provider was disabled, return null
+            }
+        }
+
+        @Suppress("DEPRECATION")
+        requestSingleUpdate(provider, locationListener, null)
+
+        continuation.invokeOnCancellation {
+            removeUpdates(locationListener)
+        }
+    }
+}
+
 private fun Location.toCoordinates() = Coordinates(latitude, longitude)
\ No newline at end of file