void barCodecontrol_Completed(object sender, string e)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
barCodecontrol.StopReadingBarcode();
barCodecontrol.ReadComplete -= barCodecontrol_Completed;
PhoneApplicationFrame frame = Application.Current.RootVisual as PhoneApplicationFrame;
PhoneApplicationPage page = null;
if (frame != null)
{
page = frame.Content as PhoneApplicationPage;
}
if (page != null)
{
Grid grid = page.FindName("LayoutRoot") as Grid;
if (grid != null)
{
page.OrientationChanged -= page_OrientationChanged;
grid.Children.Remove(barCodecontrol);
barCodecontrol = null;
// user hit back button
if (e == null)
{
string js = "var e=document.createEvent('Events');e.initEvent('intel.xdk.device.barcode.scan',true,true);e.success=false;e.codetype='';e.codedata='';document.dispatchEvent(e);";
InvokeCustomScript(new ScriptCallback("eval", new string[] { js }), true);
}
else
{
e = e.Replace(System.Environment.NewLine,"\\n");
string format = "QR_CODE";
string js = "var e=document.createEvent('Events');e.initEvent('intel.xdk.device.barcode.scan',true,true);e.success=true;e.codetype='" + format + "';e.codedata='" + e + "';document.dispatchEvent(e);";
InvokeCustomScript(new ScriptCallback("eval", new string[] { js }), true);
}
}
}
else
{
string js = "var e=document.createEvent('Events');e.initEvent('intel.xdk.device.barcode.scan',true,true);e.success=false;e.codetype='';e.codedata='';document.dispatchEvent(e);";
InvokeCustomScript(new ScriptCallback("eval", new string[] { js }), true);
}
});
}
public void scanBarcode(string parameters)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
if (page != null)
{
Grid grid = page.FindName("LayoutRoot") as Grid;
if (grid != null)
{
barCodecontrol = new BarCodeControl();
PageOrientation po = ((PhoneApplicationFrame)(Application.Current.RootVisual)).Orientation;
if (po == PageOrientation.Landscape || po == PageOrientation.LandscapeLeft || po == PageOrientation.LandscapeRight)
{
barCodecontrol.Height = Application.Current.Host.Content.ActualWidth;
barCodecontrol.Width = Application.Current.Host.Content.ActualHeight;
} else {
barCodecontrol.Height = Application.Current.Host.Content.ActualHeight;
barCodecontrol.Width = Application.Current.Host.Content.ActualWidth;
}
//barCodecontrol.viewFeed.Height = Application.Current.Host.Content.ActualHeight;
//barCodecontrol.viewFeed.Width = Application.Current.Host.Content.ActualWidth;
grid.Children.Add(barCodecontrol);
barCodecontrol.ReadComplete += barCodecontrol_Completed;
}
}
else
{
}
});
}