public ZXingScannerPage (MobileBarcodeScanningOptions options = null, View customOverlay = null) : base ()
{
zxing = new ZXingScannerView
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Options = options
};
zxing.OnScanResult += (result) => {
var eh = this.OnScanResult;
if (eh != null)
eh(result);
//Device.BeginInvokeOnMainThread (() => eh (result));
};
if (customOverlay == null) {
defaultOverlay = new ZXingDefaultOverlay {
TopText = "Hold your phone up to the barcode",
BottomText = "Scanning will happen automatically",
ShowFlashButton = zxing.HasTorch,
};
defaultOverlay.FlashButtonClicked += (sender, e) => {
zxing.IsTorchOn = !zxing.IsTorchOn;
};
Overlay = defaultOverlay;
} else {
Overlay = customOverlay;
}
var grid = new Grid
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
};
grid.Children.Add(zxing);
grid.Children.Add(Overlay);
// The root page of your application
Content = grid;
}
public void Scan()
{
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.PossibleFormats = new List<ZXing.BarcodeFormat>() {
ZXing.BarcodeFormat.PDF_417
};
options.TryHarder = true;
options.AutoRotate = true;
options.TryInverted = true;
var scanner = new ZXing.Mobile.MobileBarcodeScanner(this);
//Tell our scanner to use the default overlay
scanner.UseCustomOverlay = false;
scanner.CameraUnsupportedMessage = "This Device's Camera is not supported.";
//We can customize the top and bottom text of the default overlay
scanner.TopText = "Hold the camera up to the barcode\nAbout 6 inches away";
scanner.BottomText = "Wait for the barcode to automatically scan!";
scanner.Scan(options).ContinueWith(t => {
if (t.Result != null)
{
System.Console.WriteLine("Scanned Barcode: " + t.Result.Text);
Toast.MakeText(this, t.Result.Text, ToastLength.Short);
}
});
}
public ZXingScannerPage (MobileBarcodeScanningOptions options = null, View customOverlay = null) : base ()
{
zxing = new ZXingScannerView
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Options = options,
AutomationId = "zxingScannerView"
};
zxing.SetBinding( ZXingScannerView.IsTorchOnProperty, new Binding( nameof( IsTorchOn ) ) );
zxing.SetBinding( ZXingScannerView.IsAnalyzingProperty, new Binding( nameof( IsAnalyzing ) ) );
zxing.SetBinding( ZXingScannerView.IsScanningProperty, new Binding( nameof( IsScanning ) ) );
zxing.SetBinding( ZXingScannerView.HasTorchProperty, new Binding( nameof( HasTorch ) ) );
zxing.SetBinding( ZXingScannerView.ResultProperty, new Binding( nameof( Result ) ) );
zxing.OnScanResult += (result) => {
this.OnScanResult?.Invoke( result );
//Device.BeginInvokeOnMainThread (() => eh (result));
};
if (customOverlay == null) {
defaultOverlay = new ZXingDefaultOverlay () { AutomationId = "zxingDefaultOverlay" };
defaultOverlay.SetBinding( ZXingDefaultOverlay.TopTextProperty, new Binding( nameof( DefaultOverlayTopText ) ) );
defaultOverlay.SetBinding( ZXingDefaultOverlay.BottomTextProperty, new Binding( nameof( DefaultOverlayBottomText ) ) );
defaultOverlay.SetBinding( ZXingDefaultOverlay.ShowFlashButtonProperty, new Binding( nameof( DefaultOverlayShowFlashButton ) ) );
DefaultOverlayTopText = "Hold your phone up to the barcode";
DefaultOverlayBottomText = "Scanning will happen automatically";
DefaultOverlayShowFlashButton = HasTorch;
defaultOverlay.FlashButtonClicked += (sender, e) => {
zxing.IsTorchOn = !zxing.IsTorchOn;
};
Overlay = defaultOverlay;
} else {
Overlay = customOverlay;
}
var grid = new Grid
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
};
grid.Children.Add(zxing);
grid.Children.Add(Overlay);
// The root page of your application
Content = grid;
}
void scan ()
{
var opts = new MobileBarcodeScanningOptions {
PossibleFormats = new List<ZXing.BarcodeFormat> {
ZXing.BarcodeFormat.QR_CODE
},
CameraResolutionSelector = availableResolutions => {
foreach (var ar in availableResolutions) {
Console.WriteLine ("Resolution: " + ar.Width + "x" + ar.Height);
}
return null;
}
};
scanFragment.StartScanning (opts, result => {
// Null result means scanning was cancelled
if (result == null || string.IsNullOrEmpty (result.Text)) {
Toast.MakeText (this, "Scanning Cancelled", ToastLength.Long).Show ();
return;
}
// Otherwise, proceed with result
RunOnUiThread (() => Toast.MakeText (this, "Scanned: " + result.Text, ToastLength.Short).Show ());
});
}
public override void ScanContinuously (MobileBarcodeScanningOptions options, Action<Result> scanHandler)
{
var scanIntent = new Intent(lifecycleListener.Context, typeof(ZxingActivity));
scanIntent.AddFlags(ActivityFlags.NewTask);
ZxingActivity.UseCustomOverlayView = this.UseCustomOverlay;
ZxingActivity.CustomOverlayView = this.CustomOverlay;
ZxingActivity.ScanningOptions = options;
ZxingActivity.ScanContinuously = true;
ZxingActivity.TopText = TopText;
ZxingActivity.BottomText = BottomText;
ZxingActivity.OnCanceled += () =>
{
ZxingActivity.RequestCancel ();
};
ZxingActivity.OnScanCompleted += (Result result) =>
{
if (scanHandler != null)
scanHandler (result);
};
lifecycleListener.Context.StartActivity(scanIntent);
}
private async Task scanBarcode()
{
//Creates the barcode scanner and adds camera
var options = new ZXing.Mobile.MobileBarcodeScanningOptions
{
CameraResolutionSelector = HandleCameraResolutionSelectorDelegate
};
options.PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.EAN_8, ZXing.BarcodeFormat.EAN_13
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner(this);
scanner.AutoFocus();
//Grabs the scanner result and displays it in the new page
//The new page is the itemController
var result = await scanner.Scan(options, true);
string code = result.Text;
if (result != null)
{
ItemController controller = new ItemController();
this.NavigationController.PushViewController(controller, true);
controller.barCodeLableText = code;
controller.itemNameText = "Bandage, Adhsv Shr Strp 1x3 (100/bx 24bx/cs) Mgm16";
controller.itemNumberText = "15";
//controller.addLabelText = query;
Console.WriteLine("Scanned Barcode: " + result.Text);
}
}
public ZxingCameraViewController(MobileBarcodeScanningOptions options, MobileBarcodeScanner scanner)
: base()
{
this.ScanningOptions = options;
this.Scanner = scanner;
Initialize();
}
public override Task<Result> Scan(MobileBarcodeScanningOptions options)
{
return Task.Factory.StartNew(new Func<Result>(() =>
{
var scanResultResetEvent = new System.Threading.ManualResetEvent(false);
Result result = null;
//Navigate: /ZxingSharp.WindowsPhone;component/Scan.xaml
ScanPage.ScanningOptions = options;
ScanPage.ResultFoundAction = (r) =>
{
result = r;
scanResultResetEvent.Set();
};
ScanPage.UseCustomOverlay = this.UseCustomOverlay;
ScanPage.CustomOverlay = this.CustomOverlay;
ScanPage.TopText = TopText;
ScanPage.BottomText = BottomText;
Dispatcher.BeginInvoke(() =>
{
((Microsoft.Phone.Controls.PhoneApplicationFrame)Application.Current.RootVisual).Navigate(
new Uri("/ZXingNetMobile;component/ScanPage.xaml", UriKind.Relative));
});
scanResultResetEvent.WaitOne();
return result;
}));
}
private async void startScanning()
{
_scanning = true;
Core.ViewModels.CheckInViewModel viewModel = (this.ViewModel as Core.ViewModels.CheckInViewModel);
viewModel.IsBusy = true;
var scanner = new ZXing.Mobile.MobileBarcodeScanner(this.Activity);
scanner.UseCustomOverlay = true;
scanner.CustomOverlay = LayoutInflater.FromContext(this.Activity).Inflate(Resource.Layout.ZXingCustomLayout, null);
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.PossibleFormats = new List<ZXing.BarcodeFormat>() { ZXing.BarcodeFormat.QR_CODE };
await scanner.Scan(options).ContinueWith(t =>
{
if (t.Result != null)
{
viewModel.ScannedQRCode = t.Result.Text;
}
else
{
viewModel.Message = "The Check In QR code could not be scanned. Please go back and try again.";
Task.Delay(500).ContinueWith(async dummy => await viewModel.OnBackButtonPressedAsync());
}
});
viewModel.IsBusy = false;
_scanning = false;
}
public override Task<Result> Scan(MobileBarcodeScanningOptions options)
{
var rootFrame = RootFrame ?? Window.Current.Content as Frame ?? ((FrameworkElement) Window.Current.Content).GetFirstChildOfType<Frame>();
var dispatcher = Dispatcher ?? Window.Current.Dispatcher;
return Task.Factory.StartNew(new Func<Result>(() =>
{
var scanResultResetEvent = new System.Threading.ManualResetEvent(false);
Result result = null;
ScanPage.ScanningOptions = options;
ScanPage.ResultFoundAction = (r) =>
{
result = r;
scanResultResetEvent.Set();
};
ScanPage.UseCustomOverlay = this.UseCustomOverlay;
ScanPage.CustomOverlay = this.CustomOverlay;
ScanPage.TopText = TopText;
ScanPage.BottomText = BottomText;
dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootFrame.Navigate(typeof(ScanPage));
});
scanResultResetEvent.WaitOne();
return result;
}));
}
public async Task <string> ScanAsync()
{
var app = new Android.App.Application();
MobileBarcodeScanner.Initialize(app);
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan(options);
if (result != null)
{
return(result.Text);
}
else
{
return(null);
}
}
public async Task ScanCode()
{
MobileBarcodeScanner scanner;
scanner = new MobileBarcodeScanner();
//scannerO.TryHarder = true;
//Tell our scanner to use the default overlay
scanner.UseCustomOverlay = false;
//We can customize the top and bottom text of our default overlay
scanner.TopText = "Hold camera up to barcode";
scanner.BottomText = "Camera will automatically scan barcode\r\n\r\nPress the 'Back' button to Cancel";
var options = new MobileBarcodeScanningOptions();
//options.CameraResolutionSelector = ;
//options.PossibleFormats = new List<ZXing.BarcodeFormat>() {ZXing.BarcodeFormat.Ean8, ZXing.BarcodeFormat.Ean13};
//options.PossibleFormats = new List<ZXing.BarcodeFormat>() { ZXing.BarcodeFormat.PDF_417 };
//options.TryHarder = false;
//options.UseNativeScanning = true;
var result = await scanner.Scan(options);
HandleScanResult(result);
}
public override async Task<Result> Scan(MobileBarcodeScanningOptions options)
{
var rootFrame = RootFrame ?? Window.Current.Content as Frame ?? ((FrameworkElement) Window.Current.Content).GetFirstChildOfType<Frame>();
var dispatcher = Dispatcher ?? Window.Current.Dispatcher;
var tcsScanResult = new TaskCompletionSource<Result>();
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootFrame.Navigate(typeof(ScanPage), new ScanPageNavigationParameters
{
Options = options,
ResultHandler = r =>
{
tcsScanResult.SetResult(r);
},
Scanner = this,
ContinuousScanning = false
});
});
var result = await tcsScanResult.Task;
await dispatcher.RunAsync(CoreDispatcherPriority.High, () =>
{
if (rootFrame.CanGoBack)
rootFrame.GoBack();
});
return result;
}
public ZXingSurfaceView (Activity activity, MobileBarcodeScanningOptions options)
: base (activity)
{
this.activity = activity;
this.scanningOptions = options;
Init ();
}
public ZxingViewController(MobileBarcodeScanningOptions options, bool showButtons, bool showOverlay) : base()
{
this.Options = options;
this.ShowButtons = showButtons;
this.ShowOverlay = showOverlay;
this.resxMgr = new ResourceManager("Resources", System.Reflection.Assembly.GetExecutingAssembly());
}
async public void Scannit()
{
var scanner = new MobileBarcodeScanner ();
var opt = new MobileBarcodeScanningOptions();
opt.PossibleFormats.Clear();
opt.PossibleFormats.Add(ZXing.BarcodeFormat.QR_CODE);
var result = await scanner.Scan(opt);
HandleResult(result);
}
public ScanController()
{
ScanningOptions = new MobileBarcodeScanningOptions();
ScanningOptions.AutoRotate = false;
ScanningOptions.PossibleFormats = new List<BarcodeFormat>()
{
BarcodeFormat.QR_CODE
};
}
private void SetScanOptions()
{
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
//options.TryHarder = true;
//options.TryInverted = true;
//options.AutoRotate = true;
options.PossibleFormats = new List <ZXing.BarcodeFormat>
{
ZXing.BarcodeFormat.QR_CODE
};
if (Parameters.Options.AcceptBarcode_Code)
{
options.PossibleFormats.Append(ZXing.BarcodeFormat.CODE_39);
options.PossibleFormats.Append(ZXing.BarcodeFormat.CODE_93);
options.PossibleFormats.Append(ZXing.BarcodeFormat.CODE_128);
options.PossibleFormats.Append(ZXing.BarcodeFormat.CODABAR);
}
if (Parameters.Options.AcceptBarcode_Ean)
{
options.PossibleFormats.Append(ZXing.BarcodeFormat.EAN_8);
options.PossibleFormats.Append(ZXing.BarcodeFormat.EAN_13);
}
if (Parameters.Options.AcceptBarcode_Upc)
{
options.PossibleFormats.Append(ZXing.BarcodeFormat.UPC_A);
options.PossibleFormats.Append(ZXing.BarcodeFormat.UPC_E);
options.PossibleFormats.Append(ZXing.BarcodeFormat.UPC_EAN_EXTENSION);
}
// solve camera resolution bug (up to ZXing 3.1.0 beta2)
options.CameraResolutionSelector = new CameraResolutionSelectorDelegate((List <CameraResolution> availableResolutions) =>
{
CameraResolution result = null;
double aspectTolerance = 0.1;
var displayOrientationHeight = DeviceDisplay.MainDisplayInfo.Orientation == DisplayOrientation.Portrait ? DeviceDisplay.MainDisplayInfo.Height : DeviceDisplay.MainDisplayInfo.Width;
var displayOrientationWidth = DeviceDisplay.MainDisplayInfo.Orientation == DisplayOrientation.Portrait ? DeviceDisplay.MainDisplayInfo.Width : DeviceDisplay.MainDisplayInfo.Height;
var targetRatio = displayOrientationHeight / displayOrientationWidth;
var targetHeight = displayOrientationHeight;
var minDiff = double.MaxValue;
foreach (var r in availableResolutions.Where(r => Math.Abs(((double)r.Width / r.Height) - targetRatio) < aspectTolerance))
{
if (Math.Abs(r.Height - targetHeight) < minDiff)
{
minDiff = Math.Abs(r.Height - targetHeight);
}
result = r;
}
return(result);
});
zxing.Options = options;
}
public AVCaptureScannerViewController(MobileBarcodeScanningOptions options, MobileBarcodeScanner scanner)
{
this.ScanningOptions = options;
this.Scanner = scanner;
var appFrame = UIScreen.MainScreen.ApplicationFrame;
View.Frame = new CGRect(0, 0, appFrame.Width, appFrame.Height);
View.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
View.BackgroundColor = UIColor.White;
webView = new UIWebView(View.Bounds);
View.AddSubview(webView);
webView.ShouldStartLoad = (webView, request, navType) =>
{
// System.Console.WriteLine("###" + request.Url.AbsoluteString);
if (request.Url.AbsoluteString == "myapp://scan")
{
var options = new ZXing.Mobile.MobileBarcodeScanningOptions
{
PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.EAN_8, ZXing.BarcodeFormat.EAN_13, ZXing.BarcodeFormat.CODE_128
}
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner
{
// scanner.ScanContinuously(HandleScanResult);
TopText = "Поднесите камеру к штрих-коду для сканирования",
BottomText = "Штрих-код будет автоматически отсканирован"
};
scanner.Scan(options).ContinueWith(t => {
var result = t.Result;
var format = result?.BarcodeFormat.ToString() ?? string.Empty;
var value = result?.Text ?? string.Empty;
BeginInvokeOnMainThread(() => {
if (value != null && !string.IsNullOrEmpty(value))
{
webView.EvaluateJavascript("location.href = '/search?q=" + value + "';");
}
// var av = UIAlertController.Create("Barcode Result", format + "|" + value, UIAlertControllerStyle.Alert);
// av.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Cancel, null));
// PresentViewController(av, true, null);
});
});
}
return(true);
};
var url = "https://mobile.kcentr.ru";
webView.LoadRequest(new NSUrlRequest(new NSUrl(url)));
// if this is false, page will be 'zoomed in' to normal size
webView.ScalesPageToFit = false;
}
private String m_qtyString = "1"; // use string for input // TODO
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Create your application here
this.SetContentView(Resource.Layout.Checkin);
this.FindViewById <Button>(Resource.Id.buttonBack).Click += this.Back;
// Initialize scanner
MobileBarcodeScanner.Initialize(Application);
scanner = new ZXing.Mobile.MobileBarcodeScanner();
// set up scanning options
var scanOptions = new ZXing.Mobile.MobileBarcodeScanningOptions();
scanOptions.PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.EAN_8,
ZXing.BarcodeFormat.EAN_13,
ZXing.BarcodeFormat.UPC_A,
ZXing.BarcodeFormat.UPC_E,
ZXing.BarcodeFormat.UPC_EAN_EXTENSION
};
// quick scan code
buttonQuickScan = this.FindViewById <Button>(Resource.Id.buttonQuickScan);
buttonQuickScan.Click += async delegate
{
scanner.UseCustomOverlay = false;
scanner.TopText = "Scanning for barcode";
var result = await scanner.Scan();
await AddOneToInventory(result);
DisplayConfirm(1);
};
// quantities scan code
buttonQtyScan = this.FindViewById <Button>(Resource.Id.buttonQtyScan);
buttonQtyScan.Click += async delegate
{
scanner.UseCustomOverlay = false;
scanner.TopText = "Scanning for barcode";
var result = await scanner.Scan();
await GetQuantityDialog(result);
//DisplayConfirm();
//await AddQtyToInventory(result, Int32.Parse(m_qtyString));
};
}
public void ScanContinuously (MobileBarcodeScanningOptions options, bool useAVCaptureEngine, Action<Result> scanHandler)
{
try
{
Version sv = new Version (0, 0, 0);
Version.TryParse (UIDevice.CurrentDevice.SystemVersion, out sv);
var is7orgreater = sv.Major >= 7;
var allRequestedFormatsSupported = true;
if (useAVCaptureEngine)
allRequestedFormatsSupported = AVCaptureScannerView.SupportsAllRequestedBarcodeFormats(options.PossibleFormats);
this.appController.InvokeOnMainThread(() => {
if (useAVCaptureEngine && is7orgreater && allRequestedFormatsSupported)
{
viewController = new AVCaptureScannerViewController(options, this);
viewController.ContinuousScanning = true;
}
else
{
if (useAVCaptureEngine && !is7orgreater)
Console.WriteLine("Not iOS 7 or greater, cannot use AVCapture for barcode decoding, using ZXing instead");
else if (useAVCaptureEngine && !allRequestedFormatsSupported)
Console.WriteLine("Not all requested barcode formats were supported by AVCapture, using ZXing instead");
viewController = new ZXing.Mobile.ZXingScannerViewController(options, this);
viewController.ContinuousScanning = true;
}
viewController.OnScannedResult += barcodeResult => {
// If null, stop scanning was called
if (barcodeResult == null) {
((UIViewController)viewController).InvokeOnMainThread(() => {
((UIViewController)viewController).DismissViewController(true, null);
});
}
scanHandler (barcodeResult);
};
appController.PresentViewController((UIViewController)viewController, true, null);
});
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
public ZxingCameraViewController(MobileBarcodeScanningOptions options, MobileBarcodeScanner scanner)
: base()
{
this.ScanningOptions = options;
this.Scanner = scanner;
_observer = NSNotificationCenter.DefaultCenter.AddObserver(
UIApplication.DidEnterBackgroundNotification, n => {
DismissViewController();
});
Initialize();
}
public async void ShowQRScanner()
{
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE
};
ShowLoading();
var result = await Scan(options);
HideLoading();
presenter.SetSacnnerResult(result?.Text);
}
public override Task<Result> Scan (MobileBarcodeScanningOptions options)
{
return Task.Factory.StartNew(() => {
try
{
var scanResultResetEvent = new System.Threading.ManualResetEvent(false);
Result result = null;
this.appController.InvokeOnMainThread(() => {
// Free memory first and release resources
if (viewController != null)
{
viewController.Dispose();
viewController = null;
}
viewController = new ZxingCameraViewController(options, this);
viewController.BarCodeEvent += (BarCodeEventArgs e) => {
viewController.DismissViewController();
result = e.BarcodeResult;
scanResultResetEvent.Set();
};
viewController.Canceled += (sender, e) => {
viewController.DismissViewController();
scanResultResetEvent.Set();
};
appController.PresentViewController(viewController, true, () => { });
});
scanResultResetEvent.WaitOne();
return result;
}
catch (Exception ex)
{
return null;
}
});
}
public ZXingSurfaceView (Activity activity, MobileBarcodeScanningOptions options, Action<ZXing.Result> callback)
: base (activity)
{
this.activity = activity;
this.callback = callback;
this.options = options;
lastPreviewAnalysis = DateTime.Now.AddMilliseconds(options.InitialDelayBeforeAnalyzingFrames);
this.surface_holder = Holder;
this.surface_holder.AddCallback (this);
this.surface_holder.SetType (SurfaceType.PushBuffers);
this.tokenSource = new System.Threading.CancellationTokenSource();
}
public void StartScanning(Action <Result> scanResultCallback, MobileBarcodeScanningOptions options = null)
{
this.callback = scanResultCallback;
this.scanningOptions = options ?? MobileBarcodeScanningOptions.Default;
if (surfaceCreated)
{
OnSurfaceCreated();
}
if (surfaceChanged)
{
OnSurfaceChanged();
}
}
public ZXingScannerViewController(MobileBarcodeScanningOptions options, MobileBarcodeScanner scanner)
{
this.ScanningOptions = options;
this.Scanner = scanner;
var appFrame = UIScreen.MainScreen.ApplicationFrame;
this.View.Frame = new CGRect(0, 0, appFrame.Width, appFrame.Height);
this.View.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
if (UIDevice.CurrentDevice.CheckSystemVersion(13, 0))
{
this.ModalPresentationStyle = UIModalPresentationStyle.FullScreen;
}
}
public ZXingSurfaceView(Activity activity, MobileBarcodeScanningOptions options, Action <ZXing.Result> callback)
: base(activity)
{
//this.activity = activity;
this.callback = callback;
this.options = options;
lastPreviewAnalysis = DateTime.Now.AddMilliseconds(options.InitialDelayBeforeAnalyzingFrames);
this.surface_holder = Holder;
this.surface_holder.AddCallback(this);
this.surface_holder.SetType(SurfaceType.PushBuffers);
this.tokenSource = new System.Threading.CancellationTokenSource();
}
public void StartScanning(Action <Result> scanResultHandler, MobileBarcodeScanningOptions options = null)
{
if (!stopped)
{
return;
}
stopped = false;
var perf = PerformanceCounter.Start();
Setup(this.Frame);
this.options = options ?? MobileBarcodeScanningOptions.Default;
this.resultCallback = scanResultHandler;
Console.WriteLine("StartScanning");
this.InvokeOnMainThread(() => {
if (!SetupCaptureSession())
{
//Setup 'simulated' view:
Console.WriteLine("Capture Session FAILED");
}
if (Runtime.Arch == Arch.SIMULATOR)
{
var simView = new UIView(new CGRect(0, 0, this.Frame.Width, this.Frame.Height));
simView.BackgroundColor = UIColor.LightGray;
simView.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
this.InsertSubview(simView, 0);
}
});
if (!analyzing)
{
analyzing = true;
}
PerformanceCounter.Stop(perf, "PERF: StartScanning() Took {0} ms.");
var evt = this.OnScannerSetupComplete;
if (evt != null)
{
evt();
}
}
public void StartScanning(Action <ZXing.Result> scanCallback, MobileBarcodeScanningOptions options = null)
{
ScanCallback = scanCallback;
ScanningOptions = options ?? MobileBarcodeScanningOptions.Default;
this.topText.Text = TopText;
this.bottomText.Text = BottomText;
if (UseCustomOverlay)
{
gridCustomOverlay.Children.Clear();
if (CustomOverlay != null)
{
gridCustomOverlay.Children.Add(CustomOverlay);
}
gridCustomOverlay.Visibility = Visibility.Visible;
gridDefaultOverlay.Visibility = Visibility.Collapsed;
}
else
{
gridCustomOverlay.Visibility = Visibility.Collapsed;
gridDefaultOverlay.Visibility = Visibility.Visible;
}
MobileBarcodeScanner.Log("ZXingScannerControl.StartScanning");
// Initialize a new instance of SimpleCameraReader with Auto-Focus mode on
if (_reader == null)
{
MobileBarcodeScanner.Log("Creating SimpleCameraReader");
//_reader = new SimpleCameraReader(options);
_reader = new AudioVideoCaptureDeviceCameraReader(options);
_reader.ScanInterval = ScanningOptions.DelayBetweenAnalyzingFrames;
// AudioVideoCaptureDevice - move this to camera initialized otherwise throws
// We need to set the VideoBrush we're going to display the preview feed on
// IMPORTANT that it gets set before Camera initializes
//_previewVideo.SetSource(_reader.Camera);
// The reader throws an event when a result is available
_reader.DecodingCompleted += (o, r) => DisplayResult(r);
// The reader throws an event when the camera is initialized and ready to use
_reader.CameraInitialized += ReaderOnCameraInitialized;
}
}
public void StartScanning(Action <Result> scanResultCallback, MobileBarcodeScanningOptions options = null)
{
//fix Android 7 bug: camera freezes because surfacedestroyed function isn't always called correct, the old surfaceview was still visible.
this.Visibility = ViewStates.Visible;
//make sure the camera is setup
_cameraAnalyzer.SetupCamera();
ScanningOptions = options ?? MobileBarcodeScanningOptions.Default;
_cameraAnalyzer.BarcodeFound += (sender, result) =>
{
scanResultCallback?.Invoke(result);
};
_cameraAnalyzer.ResumeAnalysis();
}
void buttonSample2_Click (object sender, EventArgs e)
{
var scanner = new MobileBarcodeScanner(this);
var options = new MobileBarcodeScanningOptions()
{
PossibleFormats = new List<BarcodeFormat>() { BarcodeFormat.All_1D },
};
scanner.TopText = "Hold the barcode close to the camera";
scanner.BottomText = "Barcode will scan automatigically";
scanner.Scan(options).ContinueWith((t) => {
ShowMessage(t.Result != null ? "Scanned: " + t.Result.Text : "No Barcode Scanned");
});
}
public async void ScanQRCode()
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner ();
var options = new ZXing.Mobile.MobileBarcodeScanningOptions ();
options.TryHarder = true;
options.PossibleFormats.Add (ZXing.BarcodeFormat.QR_CODE);
var result = await scanner.Scan(options);
if (result != null) {
Debug.WriteLine ("Scanned barcode: " + result.Text);
RecordAttandance (result.Text);
}
}
public override async void ScanContinuously(MobileBarcodeScanningOptions options, Action<Result> scanHandler)
{
//Navigate: /ZxingSharp.WindowsPhone;component/Scan.xaml
var rootFrame = RootFrame ?? Window.Current.Content as Frame ?? ((FrameworkElement) Window.Current.Content).GetFirstChildOfType<Frame>();
var dispatcher = Dispatcher ?? Window.Current.Dispatcher;
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootFrame.Navigate(typeof(ScanPage), new ScanPageNavigationParameters
{
Options = options,
ResultHandler = scanHandler,
Scanner = this,
ContinuousScanning = true
});
});
}
public override async void ScanContinuously(MobileBarcodeScanningOptions options, Action <Result> scanHandler)
{
//Navigate: /ZxingSharp.WindowsPhone;component/Scan.xaml
var rootFrame = RootFrame ?? Window.Current.Content as Frame ?? ((FrameworkElement)Window.Current.Content).GetFirstChildOfType <Frame>();
var dispatcher = Dispatcher ?? Window.Current.Dispatcher;
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootFrame.Navigate(typeof(ScanPage), new ScanPageNavigationParameters
{
Options = options,
ResultHandler = scanHandler,
Scanner = this,
ContinuousScanning = true
});
});
}
public void StartScanning(Action<ZXing.Result> scanCallback, MobileBarcodeScanningOptions options = null)
{
ScanCallback = scanCallback;
ScanningOptions = options ?? MobileBarcodeScanningOptions.Default;
this.topText.Text = TopText;
this.bottomText.Text = BottomText;
if (UseCustomOverlay)
{
gridCustomOverlay.Children.Clear();
if (CustomOverlay != null)
gridCustomOverlay.Children.Add(CustomOverlay);
gridCustomOverlay.Visibility = Visibility.Visible;
gridDefaultOverlay.Visibility = Visibility.Collapsed;
}
else
{
gridCustomOverlay.Visibility = Visibility.Collapsed;
gridDefaultOverlay.Visibility = Visibility.Visible;
}
MobileBarcodeScanner.Log("ZXingScannerControl.StartScanning");
// Initialize a new instance of SimpleCameraReader with Auto-Focus mode on
if (_reader == null)
{
MobileBarcodeScanner.Log("Creating SimpleCameraReader");
//_reader = new SimpleCameraReader(options);
_reader = new AudioVideoCaptureDeviceCameraReader(options);
_reader.ScanInterval = ScanningOptions.DelayBetweenAnalyzingFrames;
// AudioVideoCaptureDevice - move this to camera initialized otherwise throws
// We need to set the VideoBrush we're going to display the preview feed on
// IMPORTANT that it gets set before Camera initializes
//_previewVideo.SetSource(_reader.Camera);
// The reader throws an event when a result is available
_reader.DecodingCompleted += (o, r) => DisplayResult(r);
// The reader throws an event when the camera is initialized and ready to use
_reader.CameraInitialized += ReaderOnCameraInitialized;
}
}
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,
CameraResolutionSelector = new CameraResolutionSelectorDelegate(SelectLowestResolutionMatchingDisplayAspectRatio),
PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE
}
};
View scanView = LayoutInflater.From(Application.Context).Inflate(Resource.Layout.ScanView, null);
ImageView imgLine = scanView.FindViewById <ImageView>(Resource.Id.imgLine);
ImageView imgClose = scanView.FindViewById <ImageView>(Resource.Id.imgClose);
imgClose.Click += delegate
{
scanner.Cancel();
};
scanner.CustomOverlay = scanView;
ObjectAnimator objectAnimator = ObjectAnimator.OfFloat(imgLine, "Y", 0, DpToPixels(240));
objectAnimator.SetDuration(2500);
objectAnimator.RepeatCount = -1;
objectAnimator.SetInterpolator(new LinearInterpolator());
objectAnimator.RepeatMode = ValueAnimatorRepeatMode.Restart;
objectAnimator.Start();
ZXing.Result scanResults = await scanner.Scan(CrossCurrentActivity.Current.Activity, options);
if (scanResults != null)
{
return(scanResults.Text);
}
return(string.Empty);
}
public ZXingScannerPage(ZXing.Mobile.MobileBarcodeScanningOptions options = null, View customOverlay = null) : base()
{
zxing = new ZXingScannerView
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand
};
zxing.OnScanResult += (result) => {
var eh = this.OnScanResult;
if (eh != null)
{
eh(result);
}
//Device.BeginInvokeOnMainThread (() => eh (result));
};
if (customOverlay == null)
{
defaultOverlay = new ZXingDefaultOverlay {
TopText = "Hold your phone up to the barcode",
BottomText = "Scanning will happen automatically",
ShowFlashButton = zxing.HasTorch,
};
defaultOverlay.FlashButtonClicked += (sender, e) => {
zxing.IsTorchOn = !zxing.IsTorchOn;
};
Overlay = defaultOverlay;
}
else
{
Overlay = customOverlay;
}
var grid = new Grid
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
};
grid.Children.Add(zxing);
grid.Children.Add(Overlay);
// The root page of your application
Content = grid;
}
public void StartScanning(Action <ZXing.Result> callback, MobileBarcodeScanningOptions options)
{
this.options = options;
this.resultCallback = callback;
Console.WriteLine("StartScanning");
this.InvokeOnMainThread(() => {
if (!SetupCaptureSession())
{
//Setup 'simulated' view:
Console.WriteLine("Capture Session FAILED");
var simView = new UIView(this.Frame);
simView.BackgroundColor = UIColor.LightGray;
this.AddSubview(simView);
}
});
}
//int width, height;
//MultiFormatReader reader;
//BarcodeReader reader;
public ZxingSurfaceView(ZxingActivity activity, MobileBarcodeScanningOptions options)
: base(activity)
{
this.activity = activity;
screenResolution = new Size(this.activity.WindowManager.DefaultDisplay.Width, this.activity.WindowManager.DefaultDisplay.Height);
this.options = options;
lastPreviewAnalysis = DateTime.Now.AddMilliseconds(options.InitialDelayBeforeAnalyzingFrames);
//this.reader = this.options.BuildMultiFormatReader();
this.surface_holder = Holder;
this.surface_holder.AddCallback(this);
this.surface_holder.SetType(SurfaceType.PushBuffers);
this.tokenSource = new System.Threading.CancellationTokenSource();
}
public override Task <Result> Scan(MobileBarcodeScanningOptions options)
{
return(Task.Factory.StartNew(() => {
try
{
var scanResultResetEvent = new System.Threading.ManualResetEvent(false);
Result result = null;
this.appController.InvokeOnMainThread(() => {
// Free memory first and release resources
if (viewController != null)
{
viewController.Dispose();
viewController = null;
}
viewController = new ZxingCameraViewController(options, this);
viewController.BarCodeEvent += (BarCodeEventArgs e) => {
viewController.DismissViewController();
result = e.BarcodeResult;
scanResultResetEvent.Set();
};
viewController.Canceled += (sender, e) => {
viewController.DismissViewController();
scanResultResetEvent.Set();
};
appController.PresentViewController(viewController, true, () => { });
});
scanResultResetEvent.WaitOne();
return result;
}
catch (Exception ex)
{
return null;
}
}));
}
public override Task<Result> Scan (MobileBarcodeScanningOptions options)
{
return Task.Factory.StartNew(() => {
try
{
scanResultResetEvent.Reset();
Result result = null;
this.appController.InvokeOnMainThread(() => {
//viewController = new ZxingCameraViewController(options, this);
viewController = new ZXing.Mobile.ZXingScannerViewController(options, this);
viewController.OnScannedResult += barcodeResult => {
viewController.InvokeOnMainThread(() => {
viewController.Cancel();
viewController.DismissViewController(true, () => {
result = barcodeResult;
scanResultResetEvent.Set();
});
});
};
appController.PresentViewController(viewController, true, null);
});
scanResultResetEvent.WaitOne();
viewController.Dispose();
return result;
}
catch (Exception ex)
{
Console.WriteLine(ex);
return null;
}
});
}
public App()
{
var scannedLabel = new Label {
Text = "Scanned Value",
HeightRequest = 50,
};
var scan = new ScannerView {
HeightRequest = 400,
WidthRequest = 400,
CornerRadius=20,
};
var btn = new Button {
Text = "Push To start scanner",
HeightRequest=50,
};
scan.OnCancelPressed = () => scannedLabel.Text = "Canceled";
var options = new MobileBarcodeScanningOptions ();
options.UseFrontCameraIfAvailable = true;
options.PossibleFormats = new List<ZXing.BarcodeFormat> {
ZXing.BarcodeFormat.QR_CODE
};
btn.Clicked += (s, e) => {
scan.StartScanner((res)=>{
scan.StopScanner();
scannedLabel.Text=res.Text;
},options);
};
// The root page of your application
MainPage = new ContentPage {
Content = new StackLayout {
VerticalOptions = LayoutOptions.Center,
HorizontalOptions=LayoutOptions.Center,
Children = {
scan,
scannedLabel,
btn
}
}
};
}
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;
}
public async void CallWebViewSendData()
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.AutoFocus();
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.DelayBetweenAnalyzingFrames = 1000;
scanner.TopText = "Scanning..";
var result = await scanner.Scan(options);
if (result != null)
{
wv.LoadUrl("javascript:msg(" + @"'" + result.Text + @"'" + ");");
}
}
async Task <DeviceInformation> GetFilteredCameraOrDefaultAsync(MobileBarcodeScanningOptions options)
{
var videoCaptureDevices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
var useFront = options.UseFrontCameraIfAvailable.HasValue && options.UseFrontCameraIfAvailable.Value;
var selectedCamera = videoCaptureDevices.FirstOrDefault(vcd => vcd.EnclosureLocation != null &&
((!useFront && vcd.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Back) ||
(useFront && vcd.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Front)));
// we fall back to the first camera that we can find.
if (selectedCamera == null)
{
selectedCamera = videoCaptureDevices.FirstOrDefault();
}
return(selectedCamera);
}
public void ScanContinuously(Context context, MobileBarcodeScanningOptions options, Action <IScanResult> scanHandler)
{
var ctx = GetContext(context);
var scanIntent = new Intent(ctx, typeof(ZxingActivity));
scanIntent.AddFlags(ActivityFlags.NewTask);
ZxingActivity.UseCustomOverlayView = this.UseCustomOverlay;
ZxingActivity.CustomOverlayView = this.CustomOverlay;
ZxingActivity.ScanningOptions = options;
ZxingActivity.ScanContinuously = true;
ZxingActivity.TopText = TopText;
ZxingActivity.BottomText = BottomText;
ZxingActivity.ScanCompletedHandler = (IScanResult result)
=> scanHandler?.Invoke(result);
ctx.StartActivity(scanIntent);
}
public async void OnClickStart(object sender, EventArgs e)
{
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan(options);
if (result != null)
{
ProfileData profileData = JsonConvert.DeserializeObject <ProfileData>(result.Text);
await Navigation.PushAsync(new ProfilePage(profileData));
}
}
public void StartScanning(Action<ZXing.Result> callback, MobileBarcodeScanningOptions options)
{
this.options = options;
this.resultCallback = callback;
Console.WriteLine("StartScanning");
this.InvokeOnMainThread(() => {
if (!SetupCaptureSession())
{
//Setup 'simulated' view:
Console.WriteLine("Capture Session FAILED");
var simView = new UIView(this.Frame);
simView.BackgroundColor = UIColor.LightGray;
this.AddSubview(simView);
}
});
}
//BarcodeReader reader;
public ZxingSurfaceView(ZxingActivity activity, MobileBarcodeScanningOptions options)
: base(activity)
{
this.activity = activity;
screenResolution = new Size(this.activity.WindowManager.DefaultDisplay.Width, this.activity.WindowManager.DefaultDisplay.Height);
this.options = options;
this.reader = this.options.BuildMultiFormatReader();
this.surface_holder = Holder;
this.surface_holder.AddCallback(this);
this.surface_holder.SetType(SurfaceType.PushBuffers);
this.tokenSource = new System.Threading.CancellationTokenSource();
}
public override void ScanContinuously(MobileBarcodeScanningOptions options, Action <Result> scanHandler)
{
//Navigate: /ZxingSharp.WindowsPhone;component/Scan.xaml
var rootFrame = RootFrame ?? Window.Current.Content as Frame ?? ((FrameworkElement)Window.Current.Content).GetFirstChildOfType <Frame>();
var dispatcher = Dispatcher ?? Window.Current.Dispatcher;
ScanPage.ScanningOptions = options;
ScanPage.ResultFoundAction = scanHandler;
ScanPage.UseCustomOverlay = this.UseCustomOverlay;
ScanPage.CustomOverlay = this.CustomOverlay;
ScanPage.TopText = TopText;
ScanPage.BottomText = BottomText;
ScanPage.ContinuousScanning = true;
dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootFrame.Navigate(typeof(ScanPage));
});
}
private static MobileBarcodeScanningOptions GetXingConfig(BarCodeScannerOptions opts) {
var def = ZXing.Mobile.MobileBarcodeScanningOptions.Default;
var config = new MobileBarcodeScanningOptions {
AutoRotate = def.AutoRotate,
CharacterSet = opts.CharacterSet ?? def.CharacterSet,
DelayBetweenAnalyzingFrames = opts.DelayBetweenAnalyzingFrames ?? def.DelayBetweenAnalyzingFrames,
InitialDelayBeforeAnalyzingFrames = (opts.InitialDelayBeforeAnalyzingFrames ?? def.InitialDelayBeforeAnalyzingFrames),
PureBarcode = opts.PureBarcode,
TryHarder = opts.TryHarder,
TryInverted = opts.TryInverted,
UseFrontCameraIfAvailable = opts.UseFrontCameraIfAvailable
};
if (opts.Formats != null && opts.Formats.Count > 0) {
config.PossibleFormats = opts.Formats
.Select(x => (BarcodeFormat)(int)x)
.ToList();
}
return config;
}
public override void ScanContinuously(MobileBarcodeScanningOptions options, Action<Result> scanHandler)
{
//Navigate: /ZxingSharp.WindowsPhone;component/Scan.xaml
var rootFrame = RootFrame ?? Window.Current.Content as Frame ?? ((FrameworkElement) Window.Current.Content).GetFirstChildOfType<Frame>();
var dispatcher = Dispatcher ?? Window.Current.Dispatcher;
ScanPage.ScanningOptions = options;
ScanPage.ResultFoundAction = scanHandler;
ScanPage.UseCustomOverlay = this.UseCustomOverlay;
ScanPage.CustomOverlay = this.CustomOverlay;
ScanPage.TopText = TopText;
ScanPage.BottomText = BottomText;
ScanPage.ContinuousScanning = true;
dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootFrame.Navigate(typeof(ScanPage));
});
}
public Task<Result> Scan (Context context, MobileBarcodeScanningOptions options)
{
var ctx = GetContext (context);
var task = Task.Factory.StartNew(() => {
var waitScanResetEvent = new System.Threading.ManualResetEvent(false);
var scanIntent = new Intent(ctx, typeof(ZxingActivity));
scanIntent.AddFlags(ActivityFlags.NewTask);
ZxingActivity.UseCustomOverlayView = this.UseCustomOverlay;
ZxingActivity.CustomOverlayView = this.CustomOverlay;
ZxingActivity.ScanningOptions = options;
ZxingActivity.ScanContinuously = false;
ZxingActivity.TopText = TopText;
ZxingActivity.BottomText = BottomText;
Result scanResult = null;
ZxingActivity.CanceledHandler = () =>
{
waitScanResetEvent.Set();
};
ZxingActivity.ScanCompletedHandler = (Result result) =>
{
scanResult = result;
waitScanResetEvent.Set();
};
ctx.StartActivity (scanIntent);
waitScanResetEvent.WaitOne();
return scanResult;
});
return task;
}
async Task <DeviceInformation> GetFilteredCameraOrDefaultAsync(MobileBarcodeScanningOptions options)
{
var videoCaptureDevices = await DeviceInformation.FindAllAsync(DeviceClass.VideoCapture);
var useFront = options.UseFrontCameraIfAvailable.HasValue && options.UseFrontCameraIfAvailable.Value;
var selectedCamera = videoCaptureDevices.FirstOrDefault(vcd => vcd.EnclosureLocation != null &&
((!useFront && vcd.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Back) ||
(useFront && vcd.EnclosureLocation.Panel == Windows.Devices.Enumeration.Panel.Front)));
// we fall back to the first camera that we can find.
if (selectedCamera == null)
{
var whichCamera = useFront ? "front" : "back";
System.Diagnostics.Debug.WriteLine("Finding " + whichCamera + " camera failed, opening first available camera");
selectedCamera = videoCaptureDevices.FirstOrDefault();
}
return(selectedCamera);
}
private async Task ShowQRCodeScannerAsync()
{
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner(this);
scanner.TopText = "Scan QR Code from lottiefiles.com";
scanner.AutoFocus();
var result = await scanner.Scan(options, true);
if (result != null)
{
LoadAnimationFromUrl(result.Text);
}
}
public Task <Result> Scan(Context context, MobileBarcodeScanningOptions options)
{
var ctx = GetContext(context);
var task = Task.Factory.StartNew(() => {
var waitScanResetEvent = new System.Threading.ManualResetEvent(false);
var scanIntent = new Intent(ctx, typeof(ZxingActivity));
scanIntent.AddFlags(ActivityFlags.NewTask);
ZxingActivity.UseCustomOverlayView = this.UseCustomOverlay;
ZxingActivity.CustomOverlayView = this.CustomOverlay;
ZxingActivity.ScanningOptions = options;
ZxingActivity.ScanContinuously = false;
ZxingActivity.TopText = TopText;
ZxingActivity.BottomText = BottomText;
Result scanResult = null;
ZxingActivity.CanceledHandler = () =>
{
waitScanResetEvent.Set();
};
ZxingActivity.ScanCompletedHandler = (Result result) =>
{
scanResult = result;
waitScanResetEvent.Set();
};
ctx.StartActivity(scanIntent);
waitScanResetEvent.WaitOne();
return(scanResult);
});
return(task);
}
public ZxingSurfaceView(ZxingCameraViewController parentController, MobileBarcodeScanner scanner, MobileBarcodeScanningOptions options, UIView overlayView) : base()
{
var screenFrame = UIScreen.MainScreen.Bounds;
var scale = UIScreen.MainScreen.Scale;
screenFrame = new RectangleF(screenFrame.X, screenFrame.Y, screenFrame.Width * scale, screenFrame.Height * scale);
var picFrameWidth = Math.Round(screenFrame.Width * 0.90); //screenFrame.Width;
var picFrameHeight = Math.Round(screenFrame.Height * 0.60);
var picFrameX = (screenFrame.Width - picFrameWidth) / 2;
var picFrameY = (screenFrame.Height - picFrameHeight) / 2;
picFrame = new RectangleF((int)picFrameX, (int)picFrameY, (int)picFrameWidth, (int)picFrameHeight);
//Console.WriteLine(picFrame.X + ", " + picFrame.Y + " -> " + picFrame.Width + " x " + picFrame.Height);
this.OverlayView = overlayView;
this.Scanner = scanner;
this.Options = options;
Initialize();
_parentViewController = parentController;
}
public override void ScanContinuously(MobileBarcodeScanningOptions options, Action <Result> scanHandler)
{
//Navigate: /ZxingSharp.WindowsPhone;component/Scan.xaml
ScanPage.ScanningOptions = options;
ScanPage.ResultFoundAction = (r) =>
{
scanHandler(r);
};
ScanPage.UseCustomOverlay = this.UseCustomOverlay;
ScanPage.CustomOverlay = this.CustomOverlay;
ScanPage.TopText = TopText;
ScanPage.BottomText = BottomText;
ScanPage.ContinuousScanning = true;
Dispatcher.BeginInvoke(() =>
{
((Microsoft.Phone.Controls.PhoneApplicationFrame)Application.Current.RootVisual).Navigate(
new Uri("/ZXingNetMobile;component/WindowsPhone/ScanPage.xaml", UriKind.Relative));
});
}
