/// <summary>
/// Called when a page is no longer the active page in a frame.
/// </summary>
/// <param name="e">Event arguments</param>
protected async override void OnNavigatingFrom(NavigatingCancelEventArgs e)
{
base.OnNavigatingFrom(e);
if (_recordingTimer != null)
{
_recordingTimer.Stop();
}
if (_pMonitor != null)
{
await _pMonitor.DeactivateAsync();
}
if (_sCounter != null)
{
await _sCounter.DeactivateAsync();
}
if (_rTracker != null)
{
await _rTracker.DeactivateAsync();
}
if (_aMonitor != null)
{
await _aMonitor.DeactivateAsync();
}
_activityRecording.Recorder = null;
_placesRecording.Recorder = null;
_stepsRecording.Recorder = null;
_routeRecording.Recorder = null;
}
/// <summary>
/// constructor
/// </summary>
public MainPage()
{
this.InitializeComponent();
this.NavigationCacheMode = NavigationCacheMode.Required;
Window.Current.VisibilityChanged += async(oo, ee) =>
{
if (!ee.Visible && _trackMonitor != null)
{
await CallSenseApiAsync(async() =>
{
await _trackMonitor.DeactivateAsync();
});
}
else if (_trackMonitor != null)
{
await CallSenseApiAsync(async() =>
{
await _trackMonitor.ActivateAsync();
});
UpdateScreenAsync();
}
};
}