public async Task <BarCodeResult> Read(BarCodeReadConfiguration config, CancellationToken cancelToken)
{
config = config ?? BarCodeReadConfiguration.Default;
#if __IOS__
var scanner = new MobileBarcodeScanner {
UseCustomOverlay = false
};
#elif __ANDROID__
var scanner = new MobileBarcodeScanner(Forms.Context)
{
UseCustomOverlay = false
};
#elif WINDOWS_PHONE
var scanner = new MobileBarcodeScanner(System.Windows.Deployment.Current.Dispatcher)
{
UseCustomOverlay = false
};
#endif
cancelToken.Register(scanner.Cancel);
var result = await scanner.Scan(this.GetXingConfig(config));
return(result == null || String.IsNullOrWhiteSpace(result.Text)
? BarCodeResult.Fail
: new BarCodeResult(result.Text, FromXingFormat(result.BarcodeFormat))
);
}
private MobileBarcodeScanningOptions GetXingConfig(BarCodeReadConfiguration cfg)
{
var opts = new MobileBarcodeScanningOptions {
AutoRotate = cfg.AutoRotate,
CharacterSet = cfg.CharacterSet,
DelayBetweenAnalyzingFrames = cfg.DelayBetweenAnalyzingFrames,
InitialDelayBeforeAnalyzingFrames = cfg.InitialDelayBeforeAnalyzingFrames,
PureBarcode = cfg.PureBarcode,
TryHarder = cfg.TryHarder,
TryInverted = cfg.TryInverted,
UseFrontCameraIfAvailable = cfg.UseFrontCameraIfAvailable
};
if (cfg.Formats != null && cfg.Formats.Count > 0)
{
opts.PossibleFormats = cfg.Formats
.Select(x => (BarcodeFormat)(int)x)
.ToList();
}
return(opts);
}