private async void connectionManager_MessageReceived(string message)
{
string[] messagesArray = message.Split(';');
foreach (var msg in messagesArray)
{
string[] messageArray = msg.Split(':');
switch (messageArray[0])
{
case "LIGHT":
stateManager.LightOn = messageArray[1] == "ON" ? true : false;
Dispatcher.BeginInvoke(delegate()
{
lightButton.Background = stateManager.LightOn ? (App.Current.Resources["PhoneAccentBrush"] as SolidColorBrush) : new SolidColorBrush(Colors.Transparent);
});
break;
case "DISPLAY":
stateManager.DisplayOn = messageArray[1] == "ON" ? true : false;
Dispatcher.BeginInvoke(delegate()
{
displayButton.Background = stateManager.DisplayOn ? (App.Current.Resources["PhoneAccentBrush"] as SolidColorBrush) : new SolidColorBrush(Colors.Transparent);
});
break;
case "TIME":
Int32 unixTimestamp = (Int32)(DateTime.Now.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
await connectionManager.SendCommand("TIME:" + unixTimestamp.ToString());
break;
}
}
}
/// <summary>
/// Method to get current coordinate asynchronously so that the UI thread is not blocked. Updates MyCoordinate.
/// Using Location API requires ID_CAP_LOCATION capability to be included in the Application manifest file.
/// </summary>
private async void GetCurrentCoordinate()
{
ShowProgressIndicator(AppResources.GettingLocationProgressText);
if (App.Geolocator == null)
{
// Use the app's global Geolocator variable
App.Geolocator = new Geolocator();
App.Geolocator.DesiredAccuracy = PositionAccuracy.High;
}
try
{
Geoposition currentPosition = await App.Geolocator.GetGeopositionAsync(TimeSpan.FromMinutes(1), TimeSpan.FromSeconds(10));
_accuracy = currentPosition.Coordinate.Accuracy;
string latitude = currentPosition.Coordinate.Latitude.ToString("0.000000");
string longitude = currentPosition.Coordinate.Longitude.ToString("0.000000");
string accuracy = currentPosition.Coordinate.Accuracy.ToString();
string speed = currentPosition.Coordinate.Speed.ToString() == "NaN" ? "0" : (currentPosition.Coordinate.Speed).ToString();
string direction = currentPosition.Coordinate.Heading.ToString() == "NaN" ? "0" : currentPosition.Coordinate.Heading.ToString();
string locationMethod = currentPosition.Coordinate.PositionSource.ToString();
Dispatcher.BeginInvoke(async() =>
{
MyCoordinate = new GeoCoordinate(currentPosition.Coordinate.Latitude, currentPosition.Coordinate.Longitude);
DrawMapMarkers();
MyMap.SetView(MyCoordinate, 12, MapAnimationKind.Parabolic);
sessionID = Guid.NewGuid().ToString();
Location location = new Location();
location.Latitude = Double.Parse(latitude);
location.Longitude = Double.Parse(longitude);
location.Accuracy = int.Parse(accuracy);
location.Speed = float.Parse(speed);
location.Direction = int.Parse(direction);
location.LocationMethod = locationMethod;
location.GpsTime = DateTimeOffset.Now.UtcDateTime;
if (ConnectionHelper.isConnected)
{
ICollection <Threat> threats = await ConnectionHelper.locationHubProxy.Invoke <ICollection <Threat> >("SendLocation", location, userInfo.PhoneNumber);
if (threats.Count != 0)
{
string threatString = "This area is potential to threats. This area is prone to the following threats.\n";
foreach (Threat threat in threats)
{
threatString += threat.Type + " ";
}
Dispatcher.BeginInvoke(() =>
{
MessageBox.Show(threatString, "Alert!", MessageBoxButton.OK);
});
SpeechSynthesizer speech = new SpeechSynthesizer();
await speech.SpeakTextAsync(threatString);
BluetoothConnectionManager connectionManager = new BluetoothConnectionManager();
await connectionManager.Connect();
await connectionManager.SendCommand(threatString);
}
}
});
}
catch (Exception)
{
// Couldn't get current location - location might be disabled in settings
MessageBox.Show(AppResources.LocationDisabledMessageBoxText, AppResources.ApplicationTitle, MessageBoxButton.OK);
}
HideProgressIndicator();
}
