Add LocationHelper #110

Author: ghost1372

dev/DevWinUI.Gallery/Views/Pages/Common/SunTimesHelperPage.xaml

@@ -36,13 +36,30 @@
                     </StackPanel>
                 </local:ControlExample.Pane>
                 <StackPanel Spacing="10">
+                    <InfoBar Title="Retrieve your current Latitude and Longitude"
+                             IsClosable="False"
+                             IsOpen="True"
+                             Message="Works only if location access is granted and your device supports reliable location services (e.g., GPS or Wi-Fi).  If your device does not have GPS, results may be inaccurate.">
+                        <InfoBar.ActionButton>
+                            <Button x:Name="BtnGetLocation"
+                                    Click="BtnGetLocation_Click"
+                                    Content="Get Latitude and Longitude" />
+                        </InfoBar.ActionButton>
+                    </InfoBar>
+                    <InfoBar x:Name="InfoBarSource"
+                             Title="Position Source"
+                             IsClosable="False"
+                             IsOpen="True"
+                             Message="Position source will appear here after retrieving location."
+                             Severity="Warning" />
                     <Button x:Name="BtnCalc"
                             Click="BtnCalc_Click"
-                            Content="Calculate" />
+                            Content="Calculate Sunrise and Sunset"
+                            Style="{StaticResource AccentButtonStyle}" />
                     <TextBlock x:Name="TxtSunRise"
-                               Style="{ThemeResource BaseTextBlockStyle}" />
+                               Style="{ThemeResource TitleTextBlockStyle}" />
                     <TextBlock x:Name="TxtSunSet"
-                               Style="{ThemeResource BaseTextBlockStyle}" />
+                               Style="{ThemeResource TitleTextBlockStyle}" />
                 </StackPanel>
             </local:ControlExample>
         </StackPanel>

dev/DevWinUI.Gallery/Views/Pages/Common/SunTimesHelperPage.xaml.cs

@@ -13,4 +13,16 @@ private void BtnCalc_Click(object sender, RoutedEventArgs e)
         TxtSunRise.Text = $"Sunrise: {sunTimes.SunriseHour}:{sunTimes.SunriseMinute}";
         TxtSunSet.Text = $"Sunset: {sunTimes.SunsetHour}:{sunTimes.SunsetMinute}";
     }
+
+    private async void BtnGetLocation_Click(object sender, RoutedEventArgs e)
+    {
+        var pos = await LocationHelper.GetGeoLocationAsync();
+        if (pos == null)
+            return;
+
+        NBLatitude.Value = pos.Coordinate.Point.Position.Latitude;
+        NBLongitude.Value = pos.Coordinate.Point.Position.Longitude;
+
+        InfoBarSource.Message = pos.Coordinate.PositionSource.ToString();
+    }
 }

dev/DevWinUI/Helpers/LocationHelper.cs

@@ -0,0 +1,38 @@
+using Windows.Devices.Geolocation;
+
+namespace DevWinUI;
+
+public partial class LocationHelper
+{
+    public static async Task<Geoposition> GetGeoLocationAsync()
+    {
+        return await GetGeoLocationAsync(PositionAccuracy.Default, null);
+    }
+    public static async Task<Geoposition> GetGeoLocationAsync(PositionAccuracy accuracy)
+    {
+        return await GetGeoLocationAsync(accuracy, null);
+    }
+    public static async Task<Geoposition> GetGeoLocationAsync(PositionAccuracy accuracy, uint? desiredAccuracyInMeters)
+    {
+        try
+        {
+            // Request access
+            var accessStatus = await Geolocator.RequestAccessAsync();
+            if (accessStatus != GeolocationAccessStatus.Allowed)
+            {
+                throw new InvalidOperationException($"Location access failed: {accessStatus}");
+            }
+
+            var geolocator = new Geolocator { DesiredAccuracy = accuracy };
+
+            if (desiredAccuracyInMeters.HasValue)
+                geolocator.DesiredAccuracyInMeters = desiredAccuracyInMeters;
+
+            return await geolocator.GetGeopositionAsync();
+        }
+        catch (Exception ex)
+        {
+            throw new Exception(ex.Message);
+        }
+    }
+}

dev/DevWinUI/Helpers/SunTimes/SunTimesHelper.cs

@@ -121,5 +121,4 @@ static double NormalizeHours(double hours)
             return hours;
         }
     }
-
 }