private async void ScanAction(object obj)
{
try
{
var item = (Product)obj;
var barcodeScan = new BarcodeScanner();
var vmScanBarcode = new BarcodeScannerViewModel();
barcodeScan.BindingContext = vmScanBarcode;
vmScanBarcode.OnResultScanHandler += async(x) => {
if (item != null)
{
if (_SourceItems.Where(prod => !string.IsNullOrEmpty(prod.CodeArticle) && prod.CodeArticle == x.ToString()).Count() > 0)
{
MessagingCenter.Send <MessageDataCenter>(new MessageDataCenter
{
Title = "Error",
Message = $"Data {x} Sudah Ada",
Ok = "Ya"
}, "message");
}
else
{
item.CodeArticle = x.ToString();
var aa = await Products.Update(item.Id, item);
}
}
};
await Shell.Current.Navigation.PushModalAsync(barcodeScan);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
private async void Button_Clicked(object sender, EventArgs e)
{
var form = new BarcodeScanner();
var vm = new BarcodeScannerViewModel();
form.BindingContext = vm;
vm.OnResultScanHandler += Vm_OnResultScanHandler;
await Navigation.PushModalAsync(form);
}
public BarcodeScanner()
{
InitializeComponent();
scanView.Options = new ZXing.Mobile.MobileBarcodeScanningOptions
{
TryHarder = true,
PossibleFormats = new List <ZXing.BarcodeFormat>
{
ZXing.BarcodeFormat.EAN_8, ZXing.BarcodeFormat.EAN_13, ZXing.BarcodeFormat.UPC_A, ZXing.BarcodeFormat.UPC_E
},
DelayBetweenContinuousScans = 100,
AutoRotate = true
};
scanView.AutoFocus();
BindingContext = new BarcodeScannerViewModel();
}