1 files changed, 24 insertions, 6 deletions
diff --git a/lib/main.dart b/lib/main.dart
index f6bbb92..273f93f 100755
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -17,7 +17,7 @@ extension on SpeedUnit {
   };
 }
 
-void main() {
+void main() async {
   runApp(const MyApp());
 }
 
@@ -56,9 +56,7 @@ class _HomePageState extends State<HomePage> {
   SpeedUnit _speedUnit = SpeedUnit.milesPerHour;
   LocationSettings _locationSettings = LocationSettings();
 
-  @override
-  void initState() {
-    super.initState();
+  _initPositionStream() {
     _positionStream =
         Geolocator.getPositionStream(
           locationSettings: _locationSettings,
@@ -73,6 +71,26 @@ class _HomePageState extends State<HomePage> {
   }
 
   @override
+  void initState() {
+    super.initState();
+
+    Geolocator.checkPermission()
+        .then(
+          (permission) => permission == LocationPermission.denied
+              ? Geolocator.requestPermission()
+              : permission,
+        )
+        .then((permission) {
+          if (![
+            LocationPermission.deniedForever,
+            LocationPermission.denied,
+          ].contains(permission)) {
+            _initPositionStream();
+          }
+        });
+  }
+
+  @override
   void dispose() {
     super.dispose();
     _positionStream?.cancel();
@@ -106,11 +124,11 @@ class _HomePageState extends State<HomePage> {
           children: [
             Flex(direction: Axis.horizontal),
             Text(
-              '${_speedUnit.fromMetersPerSecond(_speed)} ${_speedUnit.acronym}',
+              '${_speedUnit.fromMetersPerSecond(_speed).round()} ${_speedUnit.acronym}',
               style: Theme.of(context).textTheme.displayLarge,
             ),
             Text(
-              '± ${_speedUnit.fromMetersPerSecond(_speedAccuracy)} ${_speedUnit.acronym}',
+              '± ${_speedUnit.fromMetersPerSecond(_speedAccuracy).round()} ${_speedUnit.acronym}',
               style: Theme.of(context).textTheme.displaySmall,
             ),
           ],