protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
SystemTray.ProgressIndicator.IsVisible = true;
App.Camera.Focused += Camera_Focused;
App.Camera.PhotoCaptured += Camera_PhotoCaptured;
((ApplicationBarIconButton)ApplicationBar.Buttons[0]).IsEnabled = false;
await App.Camera.InitializeAsync();
CameraBrush.SetSource(App.Camera.Device);
((ApplicationBarIconButton)ApplicationBar.Buttons[0]).IsEnabled = true;
SystemTray.ProgressIndicator.IsVisible = false;
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
BackKeyPress += BarcodeScannerUI_BackKeyPress;
cancellationTokenSource = new CancellationTokenSource();
// Instantiate objects and start camera preview
this.camera = new PhotoCamera();
this.reader = new BarcodeReader {
Options = { TryHarder = true }
};
CameraBrush.SetSource(this.camera);
// Bind events
this.camera.Initialized += CameraInitialized;
this.reader.ResultFound += ReaderResultFound;
base.OnNavigatedTo(e);
}
