diff --git a/lib/screen/home.dart b/lib/screen/home.dart
index 4a9564b..e9e2e0a 100644
--- a/lib/screen/home.dart
+++ b/lib/screen/home.dart
@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter_ringtone_player/flutter_ringtone_player.dart';
 import 'package:loc/style/colors.dart';
 import 'package:loc/utils/location.dart';
 import 'package:loc/utils/states.dart';
@@ -12,7 +11,6 @@ class HomeScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final provider = Provider.of<AppStates>(context);
-    final providerNoListening = Provider.of<AppStates>(context, listen: false);
 
     return Scaffold(
       resizeToAvoidBottomInset: false,
@@ -161,12 +159,7 @@ class HomeScreen extends StatelessWidget {
                           'Latitude, Longitude, and Radius are required!');
                       return;
                     }
-
-                    FlutterRingtonePlayer.playNotification(
-                      looping: true,
-                      volume: 0.1,
-                      asAlarm: true,
-                    );
+                    provider.setListening(true);
 
                     getCurrentLocation().then((value) {
                       provider.setCurrLatitude(value.latitude);
@@ -201,14 +194,14 @@ class HomeScreen extends StatelessWidget {
                   ),
                 ),
               ),
-              provider.isListening && providerNoListening.isLocValid() == false
+              provider.isListening && provider.isLocValid() == false
                   ? Container(
                       padding: const EdgeInsets.only(
                         top: 16,
                         left: 16,
                         right: 16,
                       ),
-                      child: LinearProgressIndicator(
+                      child: const LinearProgressIndicator(
                         value: null,
                       ),
                     )
@@ -336,7 +329,7 @@ class HomeScreen extends StatelessWidget {
                             ),
                             child: Text(
                               provider.isListening
-                                  ? '${calcDistance(context).toString()} KM'
+                                  ? '${toKiloMeter(calcDistance(context))} KM'
                                   : '',
                               textAlign: TextAlign.center,
                             ),
diff --git a/lib/utils/location.dart b/lib/utils/location.dart
index 23a72c9..f693f88 100644
--- a/lib/utils/location.dart
+++ b/lib/utils/location.dart
@@ -29,9 +29,9 @@ Future<geo.Position> getCurrentLocation() async {
 void listenToLocationUpdate(BuildContext context) {
   final provider = Provider.of<AppStates>(context, listen: false);
 
-  geo.LocationSettings settings = geo.LocationSettings(
+  geo.LocationSettings settings = const geo.LocationSettings(
     accuracy: geo.LocationAccuracy.high,
-    distanceFilter: double.parse(provider.radiusText.text).toInt(),
+    distanceFilter: 50,
   );
 
   final subscription =
@@ -39,9 +39,17 @@ void listenToLocationUpdate(BuildContext context) {
           .listen((position) {
     provider.setCurrLatitude(position.latitude);
     provider.setCurrLongitude(position.longitude);
+
+    if (calcDistance(context) <= double.parse(provider.radiusText.text)) {
+      FlutterRingtonePlayer.playAlarm(
+        looping: true,
+        volume: 0.1,
+        asAlarm: true,
+      );
+    }
   });
+
   provider.setPositionStream(subscription);
-  provider.setListening(true);
 }
 
 void cancelLocationUpdate(BuildContext context) {
@@ -56,7 +64,7 @@ void cancelLocationUpdate(BuildContext context) {
 
 double calcDistance(BuildContext context) {
   final provider = Provider.of<AppStates>(context, listen: false);
-  if (provider.isLocValid() == false) return 0.0;
+  if (provider.isLocValid() == false) return 0;
 
   final currentLatitude = provider.currLatitude!;
   final currentLongitude = provider.currLongitude!;
@@ -66,10 +74,14 @@ double calcDistance(BuildContext context) {
   final inMeters = geo.Geolocator.distanceBetween(
       destLatitude, destLongitude, currentLatitude, currentLongitude);
 
-  return toKiloMeter(inMeters);
+  return inMeters;
 }
 
 double toKiloMeter(double distanceInMeters) {
+  if (distanceInMeters <= 1000) {
+    return distanceInMeters;
+  }
   distanceInMeters /= 1000;
-  return double.parse(distanceInMeters.toStringAsFixed(2));
+
+  return double.parse(distanceInMeters.toStringAsPrecision(3));
 }
diff --git a/test/widget_test.dart b/test/widget_test.dart
index 5758acd..1bb5d65 100644
--- a/test/widget_test.dart
+++ b/test/widget_test.dart
@@ -13,7 +13,7 @@ import 'package:loc/main.dart';
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
+    await tester.pumpWidget(const App());
 
     // Verify that our counter starts at 0.
     expect(find.text('0'), findsOneWidget);