public async Task <string> ScanAsync()
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner()
{
UseCustomOverlay = true
};
var options = new ZXing.Mobile.MobileBarcodeScanningOptions()
{
TryHarder = true,
AutoRotate = false,
UseFrontCameraIfAvailable = false,
PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE
}
};
ScannerOverlayView customOverlay = new ScannerOverlayView();
customOverlay.OnCancel += () =>
{
scanner?.Cancel();
};
customOverlay.OnResume += () =>
{
scanner?.ResumeAnalysis();
};
customOverlay.OnPause += () =>
{
scanner?.PauseAnalysis();
};
scanner.CustomOverlay = customOverlay;
ZXing.Result scanResults = null;
scanResults = await scanner.Scan(options);
//customOverlay.Dispose();
if (scanResults != null)
{
return(scanResults.Text);
}
return(string.Empty);
}
