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Merge pull request #36 from wrk-fmd/develop
RELEASE: Version 1.1.2
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77 changes: 77 additions & 0 deletions
77
GeoClient/GeoClient.Android/Location/GooglePlayLocationProvider.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| using Android.App; | ||
| using Android.Gms.Common; | ||
| using Android.Gms.Common.Apis; | ||
| using Android.Gms.Location; | ||
| using Android.OS; | ||
| using Android.Util; | ||
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| namespace GeoClient.Droid.Location | ||
| { | ||
| public class GooglePlayLocationProvider : Java.Lang.Object, ILocationListener, ILocationProvider, GoogleApiClient.IConnectionCallbacks, GoogleApiClient.IOnConnectionFailedListener | ||
| { | ||
| private const string LoggerTag = "GooglePlayLocationProvider"; | ||
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| private LocationProviderListener _updateDelegate = (location) => | ||
| { | ||
| Log.Warn(LoggerTag, "No location update delegate registered!"); | ||
| }; | ||
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| private readonly GoogleApiClient _googleApiClient; | ||
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| public GooglePlayLocationProvider() | ||
| { | ||
| _googleApiClient = new GoogleApiClient.Builder(Application.Context) | ||
| .AddApi(LocationServices.API) | ||
| .AddConnectionCallbacks(this) | ||
| .AddOnConnectionFailedListener(this) | ||
| .Build(); | ||
| } | ||
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| public void RegisterLocationUpdateDelegate(LocationProviderListener updateDelegate) | ||
| { | ||
| _updateDelegate = updateDelegate; | ||
| } | ||
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| public void StartLocationProvider() | ||
| { | ||
| _googleApiClient.Connect(); | ||
| } | ||
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| public void StopLocationProvider() | ||
| { | ||
| _googleApiClient.Disconnect(); | ||
| } | ||
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| public void OnConnected(Bundle connectionHint) | ||
| { | ||
| var locationRequest = new LocationRequest() | ||
| .SetPriority(LocationRequest.PriorityHighAccuracy) | ||
| .SetInterval(10000) | ||
| .SetFastestInterval(5000); | ||
| LocationServices.FusedLocationApi.RequestLocationUpdates(_googleApiClient, locationRequest, this); | ||
| } | ||
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| public void OnConnectionSuspended(int cause) | ||
| { | ||
| Log.Warn(LoggerTag, "Connection of google API client has been suspended!"); | ||
| } | ||
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| public void OnConnectionFailed(ConnectionResult result) | ||
| { | ||
| Log.Warn(LoggerTag, "Connection to google API client failed!"); | ||
| } | ||
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| public void OnLocationChanged(Android.Locations.Location location) | ||
| { | ||
| if (location != null) | ||
| { | ||
| var updatedLocation = XamarinLocationFactory.CreateXamarinLocation(location); | ||
| _updateDelegate.Invoke(updatedLocation); | ||
| } | ||
| else | ||
| { | ||
| Log.Debug(LoggerTag, "Received empty location update from google play provider!"); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| namespace GeoClient.Droid.Location | ||
| { | ||
| public delegate void LocationProviderListener(Xamarin.Essentials.Location updatedLocation); | ||
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| public interface ILocationProvider | ||
| { | ||
| void RegisterLocationUpdateDelegate(LocationProviderListener updateDelegate); | ||
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| void StartLocationProvider(); | ||
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| void StopLocationProvider(); | ||
| } | ||
| } |
50 changes: 50 additions & 0 deletions
50
GeoClient/GeoClient.Android/Location/LocationProviderFactory.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| using Android.App; | ||
| using Android.Gms.Common; | ||
| using Android.Util; | ||
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| namespace GeoClient.Droid.Location | ||
| { | ||
| public class LocationProviderFactory | ||
| { | ||
| private const string LoggerTag = nameof(LocationProviderFactory); | ||
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| public ILocationProvider CreateLocationProvider() | ||
| { | ||
| ILocationProvider locationProvider; | ||
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| if (IsGooglePlayServicesInstalled()) | ||
| { | ||
| locationProvider = new GooglePlayLocationProvider(); | ||
| } | ||
| else | ||
| { | ||
| locationProvider = new NativeAndroidLocationProvider(); | ||
| } | ||
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| return locationProvider; | ||
| } | ||
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| private bool IsGooglePlayServicesInstalled() | ||
| { | ||
| var queryResult = GoogleApiAvailability.Instance.IsGooglePlayServicesAvailable(Application.Context); | ||
| if (queryResult == ConnectionResult.Success) | ||
| { | ||
| Log.Info(LoggerTag, "Google Play Services is installed on this device. Will be used as location provider."); | ||
| return true; | ||
| } | ||
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| if (GoogleApiAvailability.Instance.IsUserResolvableError(queryResult)) | ||
| { | ||
| var errorString = GoogleApiAvailability.Instance.GetErrorString(queryResult); | ||
| Log.Error(LoggerTag, "There is a problem with Google Play Services on this device: {0} - {1}", | ||
| queryResult, errorString); | ||
| } | ||
| else | ||
| { | ||
| Log.Error(LoggerTag, "Unkown error while checking if Google Play Services are installed."); | ||
| } | ||
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| return false; | ||
| } | ||
| } | ||
| } |
85 changes: 85 additions & 0 deletions
85
GeoClient/GeoClient.Android/Location/NativeAndroidLocationProvider.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| using System; | ||
| using Android.App; | ||
| using Android.Content; | ||
| using Android.Locations; | ||
| using Android.OS; | ||
| using Android.Util; | ||
| using Object = Java.Lang.Object; | ||
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| namespace GeoClient.Droid.Location | ||
| { | ||
| public class NativeAndroidLocationProvider : Object, ILocationProvider, ILocationListener | ||
| { | ||
| private const string LoggerTag = "NativeAndroidLocationProvider"; | ||
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| private const long MinimumElapsedTimeInMilliseconds = 10000; | ||
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| // Only use coarse or fine here! Other values are only for bearing, horizontal accuracy, etc. | ||
| private const Accuracy RequiredAccuracy = Accuracy.Fine; | ||
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| private readonly LocationManager _locationManager; | ||
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| private LocationProviderListener _locationUpdateDelegate = (location) => | ||
| { | ||
| Log.Warn(LoggerTag, "No location update delegate registered!"); | ||
| }; | ||
|
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| public NativeAndroidLocationProvider() | ||
| { | ||
| _locationManager = Application.Context.GetSystemService(Context.LocationService) as LocationManager; | ||
| } | ||
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| public void RegisterLocationUpdateDelegate(LocationProviderListener updateDelegate) | ||
| { | ||
| _locationUpdateDelegate = updateDelegate; | ||
| } | ||
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| public void StartLocationProvider() | ||
| { | ||
| var locationProvider = GetLocationProvider(); | ||
| _locationManager.RequestLocationUpdates(locationProvider, MinimumElapsedTimeInMilliseconds, 0, this); | ||
| Log.Debug(LoggerTag, "Native android location provider is registered for location updates."); | ||
| } | ||
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| public void StopLocationProvider() | ||
| { | ||
| _locationManager.RemoveUpdates(this); | ||
| } | ||
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| public void OnLocationChanged(Android.Locations.Location location) | ||
| { | ||
| var updatedLocation = XamarinLocationFactory.CreateXamarinLocation(location); | ||
| _locationUpdateDelegate.Invoke(updatedLocation); | ||
| } | ||
|
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| public void OnProviderDisabled(string provider) | ||
| { | ||
| Log.Warn(LoggerTag, "Location provider was disabled! provider: " + provider); | ||
| } | ||
|
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| public void OnProviderEnabled(string provider) | ||
| { | ||
| Log.Info(LoggerTag, "Location provider was enabled. provider: " + provider); | ||
| } | ||
|
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| public void OnStatusChanged(string provider, Availability status, Bundle extras) | ||
| { | ||
| Log.Info( | ||
| LoggerTag, | ||
| "Status of location provider changed. provider: " + provider + ", availability: " + status); | ||
| } | ||
|
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| private string GetLocationProvider() | ||
| { | ||
| var locationCriteria = new Criteria | ||
| { | ||
| Accuracy = RequiredAccuracy, | ||
| PowerRequirement = Power.NoRequirement | ||
| }; | ||
|
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| var locationProvider = _locationManager.GetBestProvider(locationCriteria, true); | ||
| Log.Debug(LoggerTag, $"You are about to get location updates via {locationProvider}"); | ||
| return locationProvider; | ||
| } | ||
| } | ||
| } |
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