/// <summary>
/// Initializes activity monitor
/// </summary>
public async Task Initialize()
{
if (ActivityMonitorProperty == null)
{
if (await MapPage._instanceMap.CallSensorcoreApiAsync(async() => { ActivityMonitorProperty = await ActivityMonitor.GetDefaultAsync(); }))
{
Debug.WriteLine("ActivityMonitorSimulator initialized.");
}
if (ActivityMonitorProperty != null)
{
// Set activity observer
ActivityMonitorProperty.ReadingChanged += activityMonitor_ReadingChanged;
ActivityMonitorProperty.Enabled = true;
// read current activity
ActivityMonitorReading reading = null;
if (await MapPage._instanceMap.CallSensorcoreApiAsync(async() => { reading = await ActivityMonitorProperty.GetCurrentReadingAsync(); }))
{
if (reading != null)
{
this.ActivityEnum = reading.Mode;
}
}
}
else
{
// nothing to do if we cannot use the API
// in a real app do make an effort to make the user experience better
return;
}
// Must call DeactivateAsync() when the application goes to background
Window.Current.VisibilityChanged += async(sender, args) =>
{
if (_activityMonitor != null)
{
await MapPage._instanceMap.CallSensorcoreApiAsync(async() =>
{
if (!args.Visible)
{
await _activityMonitor.DeactivateAsync();
}
else
{
await _activityMonitor.ActivateAsync();
}
});
}
};
}
}