public void RegisterGeofences(PlaceGeofence[] fenceData)
{
if(pendingIntent != null)
{
Toast.MakeText(context, "Removing old fences", ToastLength.Short).Show();
currentStage = FencingStage.Removing;
}
if (fencesToAdd == null)
{
fencesToAdd = new List<IGeofence>();
}
ISharedPreferences prefs = context.GetSharedPreferences("FENCES", FileCreationMode.MultiProcess);
ISharedPreferencesEditor editor = prefs.Edit();
editor.Clear();
editor.Apply();
foreach (PlaceGeofence fence in fenceData)
{
fencesToAdd.Add(new GeofenceBuilder()
.SetCircularRegion(fence.lat, fence.lng, fence.radius)
.SetExpirationDuration(Geofence.NeverExpire)
.SetRequestId(fence.placeId)
.SetLoiteringDelay(0)
.SetTransitionTypes(Geofence.GeofenceTransitionEnter | Geofence.GeofenceTransitionDwell | Geofence.GeofenceTransitionExit)
.Build());
editor.PutString(fence.placeId, JsonConvert.SerializeObject(fence));
}
editor.Apply();
if(googleApiClient == null)
{
intent = new Intent(context, typeof(GeofencingReceiver));
googleApiClient = new GoogleApiClientBuilder(context)
.AddApi(LocationServices.Api)
.AddConnectionCallbacks(this)
.AddOnConnectionFailedListener(this)
.Build();
}
googleApiClient.Connect();
}
private async void OnExitedGeofences(PlaceGeofence fence)
{
Intent intent = await PrepareIntent(fence);
AndroidUtils.SendNotification(
"Record about " + fence.name + "!", "It looks like you're leaving " + fence.name + "! Why not practice your speech by making a voice diary about your visit?",
typeof(RecordPlaceEntryActivity),
intent,
this
);
RemoveFence(fence);
}
private async Task<Intent> PrepareIntent(PlaceGeofence fence)
{
Intent intent = new Intent(this, typeof(RecordPlaceEntryActivity));
string imgRef = (fence.imageRef != null) ? fence.imageRef : null;
if (imgRef != null)
{
imgRef = await ServerData.FetchPlacePhoto(fence, 800, 600);
}
intent.PutExtra("PlaceImage", imgRef);
intent.PutExtra("PlaceName", fence.name);
intent.PutExtra("PlaceID", fence.placeId);
intent.PutExtra("PlaceLat", fence.lat);
intent.PutExtra("PlaceLng", fence.lng);
return intent;
}
/// <summary>
/// Stop watching this fence to save battery/ prevent being annoying
/// </summary>
/// <param name="fence"></param>
private void RemoveFence(PlaceGeofence fence)
{
if(client == null)
{
client = new GoogleApiClientBuilder(this)
.AddApi(LocationServices.Api)
.AddConnectionCallbacks(this)
.Build();
}
client.Connect();
toRemove = new List<string>();
toRemove.Add(fence.placeId);
}
