/// <summary>
/// Called when page is loaded
/// Initialize app assets such as skills
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void Page_Loaded(object sender, RoutedEventArgs e)
{
// Disable buttons while we initialize
await UpdateMediaSourceButtonsAsync(false);
// Initialize helper class used to render the skill results on screen
m_renderer = new ObjectTrackRenderer(UIOverlayCanvas);
m_lock.Wait();
{
NotifyUser("Initializing skills...");
m_detectorDescriptor = new ObjectDetectorDescriptor();
m_detectorExecutionDevices = await m_detectorDescriptor.GetSupportedExecutionDevicesAsync();
await InitializeObjectDetectorAsync();
m_trackerDescriptor = new ObjectTrackerDescriptor();
m_trackerExecutionDevices = await m_trackerDescriptor.GetSupportedExecutionDevicesAsync();
await InitializeObjectTrackerAsync();
await UpdateSkillUIAsync();
}
m_lock.Release();
// Ready to begin, enable buttons
NotifyUser("Skill initialized. Select a media source from the top to begin.");
await UpdateMediaSourceButtonsAsync(true);
}
/// <summary>
/// Initialize the skill related members
/// </summary>
/// <param name="executionDevice"></param>
/// <returns></returns>
private async Task InitializeSkillAsync(ISkillExecutionDevice executionDevice = null)
{
m_descriptor = new ObjectTrackerDescriptor();
m_availableExecutionDevices = await m_descriptor.GetSupportedExecutionDevicesAsync();
if (m_availableExecutionDevices.Count == 0)
{
NotifyUser("No execution devices available, this skill cannot run on this device", NotifyType.ErrorMessage);
return; // Abort
}
// Either create skill using provided execution device or let skill create with default device if none provided
if (executionDevice != null)
{
m_skill = await m_descriptor.CreateSkillAsync(executionDevice) as ObjectTrackerSkill;
}
else
{
m_skill = await m_descriptor.CreateSkillAsync() as ObjectTrackerSkill;
}
m_bindings = new List <ObjectTrackerBinding>();
m_trackerHistory = new List <Queue <TrackerResult> >();
}
