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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| namespace MauiMaps; | ||
|
|
||
| public static class Geolocator | ||
| { | ||
| public static IGeolocator Default = new GeolocatorImplementation(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| namespace MauiMaps; | ||
|
|
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| public interface IGeolocator | ||
| { | ||
| Task StartListening(IProgress<Location> positionChangedProgress, CancellationToken cancellationToken); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| using Android.Locations; | ||
| using Android.OS; | ||
| using Android.Runtime; | ||
| using CommunityToolkit.Maui.Alerts; | ||
| using Location = Android.Locations.Location; | ||
| using Permissions = Microsoft.Maui.ApplicationModel.Permissions; | ||
|
|
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| namespace MauiMaps; | ||
|
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| public class GeolocatorImplementation : IGeolocator | ||
| { | ||
| GeolocationContinuousListener? locator; | ||
|
|
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| public async Task StartListening(IProgress<Microsoft.Maui.Devices.Sensors.Location> positionChangedProgress, CancellationToken cancellationToken) | ||
| { | ||
| var permission = await Permissions.CheckStatusAsync<Permissions.LocationAlways>(); | ||
| if (permission != PermissionStatus.Granted) | ||
| { | ||
| permission = await Permissions.RequestAsync<Permissions.LocationAlways>(); | ||
| if (permission != PermissionStatus.Granted) | ||
| { | ||
| await Toast.Make("No permission").Show(CancellationToken.None); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| locator = new GeolocationContinuousListener(); | ||
| var taskCompletionSource = new TaskCompletionSource(); | ||
| cancellationToken.Register(() => | ||
| { | ||
| locator.Dispose(); | ||
| locator = null; | ||
| taskCompletionSource.TrySetResult(); | ||
| }); | ||
| locator.OnLocationChangedAction = location => | ||
| positionChangedProgress.Report( | ||
| new Microsoft.Maui.Devices.Sensors.Location(location.Latitude, location.Longitude)); | ||
| await taskCompletionSource.Task; | ||
| } | ||
| } | ||
|
|
||
| internal class GeolocationContinuousListener : Java.Lang.Object, ILocationListener | ||
| { | ||
| public Action<Location>? OnLocationChangedAction { get; set; } | ||
|
|
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| LocationManager? locationManager; | ||
|
|
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| public GeolocationContinuousListener() | ||
| { | ||
| locationManager = (LocationManager?)Android.App.Application.Context.GetSystemService(Android.Content.Context.LocationService); | ||
| locationManager?.RequestLocationUpdates(LocationManager.GpsProvider, 1000, 0, this); | ||
| } | ||
|
|
||
| public void OnLocationChanged(Location location) | ||
| { | ||
| OnLocationChangedAction?.Invoke(location); | ||
| } | ||
|
|
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| public void OnProviderDisabled(string provider) | ||
| { | ||
| } | ||
|
|
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| public void OnProviderEnabled(string provider) | ||
| { | ||
| } | ||
|
|
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| public void OnStatusChanged(string? provider, [GeneratedEnum] Availability status, Bundle? extras) | ||
| { | ||
| } | ||
|
|
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| protected override void Dispose(bool disposing) | ||
| { | ||
| base.Dispose(disposing); | ||
| locationManager?.RemoveUpdates(this); | ||
| locationManager?.Dispose(); | ||
| } | ||
| } |
41 changes: 41 additions & 0 deletions
41
MauiMaps/Platforms/MacCatalyst/GeolocatorImplementation.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| namespace MauiMaps; | ||
|
|
||
| using CommunityToolkit.Maui.Alerts; | ||
| using CoreLocation; | ||
|
|
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| public class GeolocatorImplementation : IGeolocator | ||
| { | ||
| readonly CLLocationManager manager = new(); | ||
|
|
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| public async Task StartListening(IProgress<Location> positionChangedProgress, CancellationToken cancellationToken) | ||
| { | ||
| var permission = await Permissions.CheckStatusAsync<Permissions.LocationAlways>(); | ||
| if (permission != PermissionStatus.Granted) | ||
| { | ||
| permission = await Permissions.RequestAsync<Permissions.LocationAlways>(); | ||
| if (permission != PermissionStatus.Granted) | ||
| { | ||
| await Toast.Make("No permission").Show(CancellationToken.None); | ||
| return; | ||
| } | ||
| } | ||
| var taskCompletionSource = new TaskCompletionSource(); | ||
| cancellationToken.Register(() => | ||
| { | ||
| manager.LocationsUpdated -= PositionChanged; | ||
| taskCompletionSource.TrySetResult(); | ||
| }); | ||
| manager.LocationsUpdated += PositionChanged; | ||
|
|
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| void PositionChanged(object? sender, CLLocationsUpdatedEventArgs args) | ||
| { | ||
| if (args.Locations.Length > 0) | ||
| { | ||
| var coordinate = args.Locations[^1].Coordinate; | ||
| positionChangedProgress.Report(new Location(coordinate.Latitude, coordinate.Longitude)); | ||
| } | ||
| } | ||
|
|
||
| await taskCompletionSource.Task; | ||
| } | ||
| } |
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