fix: override abstract methods in location listener (#178)

Some `LocationListener` methods don't have default implementations on Android 10 and older versions, and that leads to a crash.


Refs: #177

Author: naveensingh

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Fixed app crash when location service is disabled on Android 10 and prior ([#177]) 
 
 ## [1.3.0] - 2025-09-17
 ### Changed

app/src/main/kotlin/org/fossify/camera/helpers/SimpleLocationManager.kt

@@ -4,6 +4,7 @@ import android.Manifest
 import android.location.Location
 import android.location.LocationListener
 import android.location.LocationManager
+import android.os.Bundle
 import androidx.annotation.RequiresPermission
 import org.fossify.camera.extensions.checkLocationPermission
 import org.fossify.commons.activities.BaseSimpleActivity
@@ -15,12 +16,23 @@ class SimpleLocationManager(private val activity: BaseSimpleActivity) {
         private const val LOCATION_UPDATE_MIN_DISTANCE_M = 10F
     }
 
+    private var location: Location? = null
+
     private val locationManager = activity.getSystemService(LocationManager::class.java)!!
-    private val locationListener = LocationListener { location ->
-        this@SimpleLocationManager.location = location
-    }
 
-    private var location: Location? = null
+    @Suppress("EmptyFunctionBlock")
+    private val locationListener = object: LocationListener {
+        override fun onLocationChanged(location: Location) {
+            this@SimpleLocationManager.location = location
+        }
+
+        // No-op methods that must be overridden.
+        // See https://github.com/FossifyOrg/Camera/issues/177
+        @Suppress("DEPRECATION")
+        override fun onStatusChanged(provider: String?, status: Int, extras: Bundle?) {}
+        override fun onProviderEnabled(provider: String) {}
+        override fun onProviderDisabled(provider: String) {}
+    }
 
     fun getLocation(): Location? {
         if (location == null) {