/// <summary>
/// Starts Countly tracking session.
/// Call from your App.xaml.cs Application_Launching and Application_Activated events.
/// Must be called before other SDK methods can be used.
/// </summary>
/// <param name="serverUrl">URL of the Countly server to submit data to; use "https://cloud.count.ly" for Countly Cloud</param>
/// <param name="appKey">app key for the application being tracked; find in the Countly Dashboard under Management > Applications</param>
public static async Task StartSession(string serverUrl, string appKey)
{
if (String.IsNullOrWhiteSpace(serverUrl))
{
throw new ArgumentException("invalid server url");
}
if (String.IsNullOrWhiteSpace(appKey))
{
throw new ArgumentException("invalid application key");
}
ServerUrl = serverUrl;
AppKey = appKey;
Events.Clear();
startTime =
lastTime = DateTime.UtcNow;
var interval = TimeSpan.FromSeconds(updateInterval);
Timer = new Timer(UpdateSession, null, interval, interval);
var view = lastView;
if (view != null)
{
view.Time = DateTime.UtcNow;
AddEvent(new CountlyEvent(ViewEvent, 1, null, null, view.Segmentation));
}
await Upload(CountlyRequest.CreateBeginSession());
}
