/// <summary>
/// Save a geofence
/// </summary>
/// <param name="region">The GeofenceCircularRegion with the values you want to save in SharedPreferemces</param>
public override void Save(GeofenceCircularRegion region)
{
if (!region.Persistent)
{
return;
}
string id = region.Id;
// Get a SharedPreferences editor instance. Among other things, SharedPreferences ensures that updates are atomic and non-concurrent
ISharedPreferencesEditor prefs = mPrefs.Edit();
// Write the geofence values to SharedPreferences
prefs.PutFloat(GetFieldKey(id, LatitudeGeofenceRegionKey), (float)region.Latitude);
prefs.PutFloat(GetFieldKey(id, LongitudeGeofenceRegionKey), (float)region.Longitude);
prefs.PutFloat(GetFieldKey(id, RadiusGeofenceRegionKey), (float)region.Radius);
prefs.PutBoolean(GetFieldKey(id, NotifyOnEntryGeofenceRegionKey), region.NotifyOnEntry);
prefs.PutBoolean(GetFieldKey(id, NotifyOnExitGeofenceRegionKey), region.NotifyOnExit);
prefs.PutBoolean(GetFieldKey(id, NotifyOnStayGeofenceRegionKey), region.NotifyOnStay);
prefs.PutString(GetFieldKey(id, NotificationEntryMessageGeofenceRegionKey), region.NotificationEntryMessage);
prefs.PutString(GetFieldKey(id, NotificationExitMessageGeofenceRegionKey), region.NotificationExitMessage);
prefs.PutString(GetFieldKey(id, NotificationStayMessageGeofenceRegionKey), region.NotificationStayMessage);
prefs.PutBoolean(GetFieldKey(id, ShowNotificationGeofenceRegionKey), region.ShowNotification);
prefs.PutBoolean(GetFieldKey(id, PersistentGeofenceRegionKey), region.Persistent);
prefs.PutBoolean(GetFieldKey(id, ShowEntryNotificationGeofenceRegionKey), region.ShowEntryNotification);
prefs.PutBoolean(GetFieldKey(id, ShowExitNotificationGeofenceRegionKey), region.ShowExitNotification);
prefs.PutBoolean(GetFieldKey(id, ShowStayNotificationGeofenceRegionKey), region.ShowStayNotification);
prefs.PutInt(GetFieldKey(id, StayedInThresholdDurationGeofenceRegionKey), (int)region.StayedInThresholdDuration.TotalMilliseconds);
// Commit the changes
prefs.Commit();
}
public override GeofenceCircularRegion Get(string id)
{
GeofenceCircularRegion region = null;
if (!string.IsNullOrEmpty(NSUserDefaults.StandardUserDefaults.StringForKey(GetFieldKey(id, IdGeofenceRegionKey))))
{
double lat = NSUserDefaults.StandardUserDefaults.DoubleForKey(GetFieldKey(id, LatitudeGeofenceRegionKey));
double lon = NSUserDefaults.StandardUserDefaults.DoubleForKey(GetFieldKey(id, LongitudeGeofenceRegionKey));
bool notifyOnEntry = NSUserDefaults.StandardUserDefaults.BoolForKey(GetFieldKey(id, NotifyOnEntryGeofenceRegionKey));
bool notifyOnExit = NSUserDefaults.StandardUserDefaults.BoolForKey(GetFieldKey(id, NotifyOnExitGeofenceRegionKey));
bool notifyOnStay = NSUserDefaults.StandardUserDefaults.BoolForKey(GetFieldKey(id, NotifyOnStayGeofenceRegionKey));
double radius = NSUserDefaults.StandardUserDefaults.DoubleForKey(GetFieldKey(id, RadiusGeofenceRegionKey));
string notificationEntryMessage = NSUserDefaults.StandardUserDefaults.StringForKey(GetFieldKey(id, NotificationEntryMessageGeofenceRegionKey));
string notificationExitMessage = NSUserDefaults.StandardUserDefaults.StringForKey(GetFieldKey(id, NotificationExitMessageGeofenceRegionKey));
string notificationStayMessage = NSUserDefaults.StandardUserDefaults.StringForKey(GetFieldKey(id, NotificationStayMessageGeofenceRegionKey));
bool showNotification = NSUserDefaults.StandardUserDefaults.BoolForKey(GetFieldKey(id, ShowNotificationGeofenceRegionKey));
bool persistent = NSUserDefaults.StandardUserDefaults.BoolForKey(GetFieldKey(id, PersistentGeofenceRegionKey));
bool showEntryNotification = NSUserDefaults.StandardUserDefaults.BoolForKey(GetFieldKey(id, ShowEntryNotificationGeofenceRegionKey));
bool showExitNotification = NSUserDefaults.StandardUserDefaults.BoolForKey(GetFieldKey(id, ShowExitNotificationGeofenceRegionKey));
bool showStayNotification = NSUserDefaults.StandardUserDefaults.BoolForKey(GetFieldKey(id, ShowStayNotificationGeofenceRegionKey));
int stayedInThresholdDuration = (int)NSUserDefaults.StandardUserDefaults.IntForKey(GetFieldKey(id, StayedInThresholdDurationGeofenceRegionKey));
region = new GeofenceCircularRegion(id, lat, lon, radius, notifyOnEntry, notifyOnExit, notifyOnStay, showNotification, persistent, showEntryNotification, showExitNotification, showStayNotification)
{
NotificationEntryMessage = notificationEntryMessage,
NotificationStayMessage = notificationStayMessage,
NotificationExitMessage = notificationExitMessage,
StayedInThresholdDuration = TimeSpan.FromMilliseconds(stayedInThresholdDuration)
};
}
return(region);
}
void AddRegion(GeofenceCircularRegion region)
{
CLRegion cRegion = null;
if (UIDevice.CurrentDevice.CheckSystemVersion(7, 0))
{
cRegion = new CLCircularRegion(new CLLocationCoordinate2D(region.Latitude, region.Longitude), (region.Radius > locationManager.MaximumRegionMonitoringDistance) ? locationManager.MaximumRegionMonitoringDistance : region.Radius, region.Id);
}
else
{
cRegion = new CLRegion(new CLLocationCoordinate2D(region.Latitude, region.Longitude), (region.Radius > locationManager.MaximumRegionMonitoringDistance) ? locationManager.MaximumRegionMonitoringDistance : region.Radius, region.Id);
}
cRegion.NotifyOnEntry = region.NotifyOnEntry || region.NotifyOnStay;
cRegion.NotifyOnExit = region.NotifyOnExit;
locationManager.StartMonitoring(cRegion);
// Request state for this region, putting request behind a timer per thread: http://stackoverflow.com/questions/24543814/diddeterminestate-not-always-called
Task.Run(async() => {
await Task.Delay(TimeSpan.FromSeconds(2));
locationManager.RequestState(cRegion);
});
}
/// <summary>
/// Starts monitoring region
/// </summary>
/// <param name="region"></param>
public void StartMonitoring(GeofenceCircularRegion region)
{
if (AvailableForMonitoring())
{
if (!mRegions.ContainsKey(region.Id))
{
mRegions.Add(region.Id, region);
}
else
{
mRegions[region.Id] = region;
}
GeofenceStore.SharedInstance.Save(region);
if (Regions.Count > 20 && locationManager.MonitoredRegions.Count == 20)
{
RecalculateRegions();
}
else
{
AddRegion(region);
}
locationManager.StartMonitoringSignificantLocationChanges();
}
}
public override Dictionary <string, GeofenceCircularRegion> GetAll()
{
List <string> keys = mPrefs.All.Where(p => p.Key.ToString().StartsWith(GeofenceStoreId) && p.Key.Split('_').Length > 1).Select(p => p.Key.Split('_')[1]).Distinct().ToList();
Dictionary <string, GeofenceCircularRegion> regions = new Dictionary <string, GeofenceCircularRegion>();
foreach (string key in keys)
{
GeofenceCircularRegion region = Get(key);
if (region != null)
{
regions.Add(region.Id, region);
}
}
return(regions);
}
public GeofenceCircularRegion(GeofenceCircularRegion region)
{
Id = region.Id;
Latitude = region.Latitude;
Longitude = region.Longitude;
Radius = region.Radius;
NotifyOnEntry = region.NotifyOnEntry;
NotifyOnExit = region.NotifyOnExit;
NotifyOnStay = region.NotifyOnStay;
ShowNotification = region.ShowNotification;
Persistent = region.Persistent;
ShowEntryNotification = region.ShowEntryNotification;
ShowExitNotification = region.ShowExitNotification;
ShowStayNotification = region.ShowStayNotification;
}
/// <summary>
/// Starts monitoring specified region
/// </summary>
/// <param name="region"></param>
public void StartMonitoring(GeofenceCircularRegion region)
{
lock (Lock)
{
if (IsMonitoring)
{
mGeofencingClient.RemoveGeofences(GeofenceTransitionPendingIntent).AddOnCompleteListener(this);
}
if (!mRegions.ContainsKey(region.Id))
{
mRegions.Add(region.Id, region);
}
}
RequestMonitoringStart();
}
public override void Save(GeofenceCircularRegion region)
{
string id = region.Id;
if (string.IsNullOrEmpty(id) || !region.Persistent)
{
return;
}
NSUserDefaults.StandardUserDefaults.SetString(region.Id, GetFieldKey(id, IdGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetDouble(region.Latitude, GetFieldKey(id, LatitudeGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetDouble(region.Longitude, GetFieldKey(id, LongitudeGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetBool(region.NotifyOnEntry, GetFieldKey(id, NotifyOnEntryGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetBool(region.NotifyOnExit, GetFieldKey(id, NotifyOnExitGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetBool(region.NotifyOnStay, GetFieldKey(id, NotifyOnStayGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetDouble(region.Radius, GetFieldKey(id, RadiusGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetBool(region.ShowNotification, GetFieldKey(id, ShowNotificationGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetBool(region.Persistent, GetFieldKey(id, PersistentGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetBool(region.ShowEntryNotification, GetFieldKey(id, ShowEntryNotificationGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetBool(region.ShowExitNotification, GetFieldKey(id, ShowExitNotificationGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetBool(region.ShowStayNotification, GetFieldKey(id, ShowStayNotificationGeofenceRegionKey));
NSUserDefaults.StandardUserDefaults.SetInt((int)region.StayedInThresholdDuration.TotalMilliseconds, GetFieldKey(id, StayedInThresholdDurationGeofenceRegionKey));
if (!string.IsNullOrEmpty(region.NotificationEntryMessage))
{
NSUserDefaults.StandardUserDefaults.SetString(region.NotificationEntryMessage, GetFieldKey(id, NotificationEntryMessageGeofenceRegionKey));
}
if (!string.IsNullOrEmpty(region.NotificationExitMessage))
{
NSUserDefaults.StandardUserDefaults.SetString(region.NotificationExitMessage, GetFieldKey(id, NotificationExitMessageGeofenceRegionKey));
}
if (!string.IsNullOrEmpty(region.NotificationStayMessage))
{
NSUserDefaults.StandardUserDefaults.SetString(region.NotificationStayMessage, GetFieldKey(id, NotificationStayMessageGeofenceRegionKey));
}
geofenceIds.Add(id);
NSUserDefaults.StandardUserDefaults.SetString(string.Join(IdSeparator, geofenceIds.ToArray <string>()), GeofenceIdsKey);
NSUserDefaults.StandardUserDefaults.Synchronize();
}
/// <summary> /// Saves geofence region in store /// </summary> /// <param name="region"></param> public abstract void Save(GeofenceCircularRegion region);
/// <summary>
/// Handles geofence intent arrival
/// </summary>
/// <param name="intent"></param>
protected override void OnHandleIntent(Intent intent)
{
try
{
lock (IntentLock)
{
if (intent == null)
{
intent = new Intent(Application.Context, typeof(GeofenceTransitionsIntentService));
}
Context context = Android.App.Application.Context;
Bundle extras = intent.Extras;
Android.Gms.Location.GeofencingEvent geofencingEvent = Android.Gms.Location.GeofencingEvent.FromIntent(intent);
if (geofencingEvent.HasError)
{
string errorMessage = Android.Gms.Location.GeofenceStatusCodes.GetStatusCodeString(geofencingEvent.ErrorCode);
string message = string.Format("{0} - {1}", CrossGeofence.Id, errorMessage);
System.Diagnostics.Debug.WriteLine(message);
((GeofenceImplementation)CrossGeofence.Current).LocationHasError = true;
CrossGeofence.GeofenceListener.OnError(message);
return;
}
// Get the geofences that were triggered. A single event can trigger multiple geofences.
IList <Android.Gms.Location.IGeofence> triggeringGeofences = geofencingEvent.TriggeringGeofences;
List <GeofenceResult> geofenceTransitions = new List <GeofenceResult>();
Dictionary <string, GeofenceCircularRegion> transitionRegions = new Dictionary <string, GeofenceCircularRegion>();
if (triggeringGeofences != null)
{
foreach (Android.Gms.Location.IGeofence geofence in triggeringGeofences)
{
if (geofence == null)
{
continue;
}
int geofenceTransition = geofencingEvent.GeofenceTransition;
GeofenceTransition gTransition = GeofenceTransition.Unknown;
// Get the transition type.
lock (GeofenceImplementation.Lock)
{
((GeofenceImplementation)CrossGeofence.Current).CurrentRequestType = Plugin.Geofence.GeofenceImplementation.RequestType.Update;
if (!CrossGeofence.Current.GeofenceResults.ContainsKey(geofence.RequestId))
{
((GeofenceImplementation)CrossGeofence.Current).AddGeofenceResult(geofence.RequestId);
}
GeofenceResult result = CrossGeofence.Current.GeofenceResults[geofence.RequestId];
//geofencingEvent.TriggeringLocation.Accuracy
result.Latitude = geofencingEvent.TriggeringLocation.Latitude;
result.Longitude = geofencingEvent.TriggeringLocation.Longitude;
result.Accuracy = geofencingEvent.TriggeringLocation.Accuracy;
double seconds = geofencingEvent.TriggeringLocation.Time / 1000;
DateTime resultDate = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddSeconds(seconds).ToLocalTime();
switch (geofenceTransition)
{
case Android.Gms.Location.Geofence.GeofenceTransitionEnter:
gTransition = GeofenceTransition.Entered;
result.LastEnterTime = resultDate;
result.LastExitTime = null;
break;
case Android.Gms.Location.Geofence.GeofenceTransitionExit:
gTransition = GeofenceTransition.Exited;
result.LastExitTime = resultDate;
break;
case Android.Gms.Location.Geofence.GeofenceTransitionDwell:
gTransition = GeofenceTransition.Stayed;
break;
default:
string message = string.Format("{0} - {1}", CrossGeofence.Id, "Invalid transition type");
System.Diagnostics.Debug.WriteLine(message);
gTransition = GeofenceTransition.Unknown;
break;
}
System.Diagnostics.Debug.WriteLine($"{CrossGeofence.Id} - {result.RegionId} - Transition: {gTransition}");
if (result.Transition != gTransition)
{
result.Transition = gTransition;
geofenceTransitions.Add(new GeofenceResult(result));
if (CrossGeofence.Current.Regions.ContainsKey(result.RegionId))
{
GeofenceCircularRegion region = CrossGeofence.Current.Regions[result.RegionId];
transitionRegions.Add(result.RegionId, new GeofenceCircularRegion(region));
}
//Check if device has stayed in region asynchronosly
//Commented because is already handled using DWELL on Android
//CheckIfStayed(geofence.RequestId);
}
}
}
}
Task.Factory.StartNew(() =>
{
foreach (GeofenceResult result in geofenceTransitions)
{
if (result == null)
{
continue;
}
CrossGeofence.GeofenceListener.OnRegionStateChanged(result);
if (transitionRegions.ContainsKey(result.RegionId))
{
GeofenceCircularRegion region = transitionRegions[result.RegionId];
if (region.ShowNotification)
{
string message = result.ToString();
switch (result.Transition)
{
case GeofenceTransition.Entered:
if (!region.ShowEntryNotification)
{
return;
}
message = string.IsNullOrEmpty(region.NotificationEntryMessage) ? message : region.NotificationEntryMessage;
break;
case GeofenceTransition.Exited:
if (!region.ShowExitNotification)
{
return;
}
message = string.IsNullOrEmpty(region.NotificationExitMessage) ? message : region.NotificationExitMessage;
break;
case GeofenceTransition.Stayed:
if (!region.ShowStayNotification)
{
return;
}
message = string.IsNullOrEmpty(region.NotificationStayMessage) ? message : region.NotificationStayMessage;
break;
}
using (Handler handler = new Handler(Looper.MainLooper))
{
handler.Post(() =>
{
CreateNotification(context.ApplicationInfo.LoadLabel(context.PackageManager), message);
});
}
}
}
}
});
}
}
catch (Java.Lang.Exception ex)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0} - {1}", CrossGeofence.Id, ex.ToString()));
}
catch (System.Exception ex)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0} - {1}", CrossGeofence.Id, ex.ToString()));
}
}
