public async Task<string> ScanAsync()
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var scanResults = await scanner.Scan();
return scanResults.Text;
}
async void BtnScann_Clicked(object sender, System.EventArgs e)
{
try
{
bool scanned = true;
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
Device.StartTimer(TimeSpan.FromSeconds(3), () =>
{
scanner.AutoFocus();
return(scanned);
});
var result = await scanner.Scan();
Device.BeginInvokeOnMainThread(() =>
{
scanned = false;
if (result != null)
{
var text = result.Text;
(ViewModel as RentViewModel).SearchByBarcodeCommand.Execute(text);
}
});
}
catch (Exception ex)
{
// Handle exception
}
}
private async void GetScan(object s, object e)
{
ZXing.Mobile.MobileBarcodeScanner scanner = new ZXing.Mobile.MobileBarcodeScanner();
ZXing.Result result = await scanner.Scan();
if (result == null)
{
return;
}
Console.WriteLine("Scanned Barcode: " + result.Text);
NSUrlComponents comps = NSUrlComponents.FromString(result.Text);
if (comps != null && comps.QueryItems != null)
{
foreach (NSUrlQueryItem queryItem in comps.QueryItems)
{
if (queryItem.Name == "code")
{
var suppress = GetAndOpenActivity(queryItem.Value);
return;
}
}
}
AppUtils.ShowSimpleDialog(this, "Not found", "Are you sure that was a valid OurPlace QR code?", "Got it");
}
public async Task ScanProofRequest()
{
var expectedFormat = ZXing.BarcodeFormat.QR_CODE;
var opts = new ZXing.Mobile.MobileBarcodeScanningOptions {
PossibleFormats = new List <ZXing.BarcodeFormat> {
expectedFormat
}
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan(opts);
if (result == null)
{
return;
}
RequestPresentationMessage presentationMessage;
try
{
presentationMessage = await MessageDecoder.ParseMessageAsync(result.Text) as RequestPresentationMessage
?? throw new Exception("Unknown message type");
}
catch (Exception)
{
DialogService.Alert("Invalid Proof Request!");
return;
}
if (presentationMessage == null)
{
return;
}
try
{
var request = presentationMessage.Requests?.FirstOrDefault((Attachment x) => x.Id == "libindy-request-presentation-0");
if (request == null)
{
DialogService.Alert("scanned qr code does not look like a proof request", "Error");
return;
}
var proofRequest = request.Data.Base64.GetBytesFromBase64().GetUTF8String().ToObject <ProofRequest>();
if (proofRequest == null)
{
return;
}
var proofRequestViewModel = _scope.Resolve <ProofRequestViewModel>(new NamedParameter("proofRequest", proofRequest),
new NamedParameter("requestPresentationMessage", presentationMessage));
await NavigationService.NavigateToAsync(proofRequestViewModel);
}
catch (Exception xx)
{
DialogService.Alert(xx.Message);
}
}
bool HandleShouldStartLoad(UIWebView webView, NSUrlRequest request, UIWebViewNavigationType navigationType)
{
// If the URL is not our own custom scheme, just let the webView load the URL as usual
var scheme = "app:";
if (request.Url.Scheme != scheme.Replace(":", ""))
return true;
var resources = request.Url.ResourceSpecifier.Split('?');
var method = resources[0];
if (method == "QR")
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.Scan().ContinueWith(result => {
if (result != null){
var code = result.Result.Text;
this.InvokeOnMainThread(new NSAction(() => webView.LoadRequest(new NSUrlRequest(new NSUrl(MainUrl + "code?value=" + code)))));
}
});
}
return false;
}
public async Task <BarcodeScanReturn> StartBarcodeScanner()
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
try
{
string[] Results = result.ToString().Split('*');
Console.WriteLine("Returned Data " + Results[1]);
string Contra = (string)ViewController.MakeRequest3("data", Results[1]);
string Name = Contra.GetStringOut("lastfirst");
string Email1 = Contra.GetStringOut("guardianemail");
string Email2 = Contra.GetStringOut("guardianemail_2");
string Email3 = Contra.GetStringOut("stud_email");
BarcodeScanReturn Student = new BarcodeScanReturn(Name, Results[1], Email1, Email2, Email3);
AllReturned.Add(Student);
return(Student);
}
catch
{
string[] Results = result.ToString().Split(' ');
BarcodeScanReturn Staff = new BarcodeScanReturn((Results[2] + ", " + Results[1]), "", null, null, null);
AllReturned.Add(Staff);
return(Staff);
}
}
async void ScanClicked(object sender, EventArgs eventArgs)
{
//Navigation.PushAsync(new Search.BookSearchPage("4121024109"));
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.CancelButtonText = "キャンセル";
scanner.FlashButtonText = "フラッシュ";
scanner.AutoFocus();
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
var status = await CrossPermissions.Current.CheckPermissionStatusAsync(Plugin.Permissions.Abstractions.Permission.Camera);
if (status == Plugin.Permissions.Abstractions.PermissionStatus.Granted)
{
var result = await scanner.Scan(options);
if (result != null)
{
await Navigation.PushAsync(new Search.BookSearchPage(result.Text));
}
}
else
{
await DisplayAlert("エラー", "カメラを使用できません", "了解");
}
}
private async void ScanConfirmation()
{
try
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan(this, ZXing.Mobile.MobileBarcodeScanningOptions.Default);
if (result != null)
{
_onScanConfirmation.Invoke(this, Newtonsoft.Json.JsonConvert.DeserializeObject <Confirmation>(result.Text));
}
}
catch (Exception e)
{
new AlertDialog.Builder(this)
.SetMessage("Pøi skenování došlo k chybì: " + e.Message)
.SetNeutralButton("Ok", (o, ev) =>
{
SetResult(Android.App.Result.Canceled);
Finish();
})
.Create()
.Show();
}
}
public override bool OnOptionsItemSelected(IMenuItem item)
{
switch (item.ItemId)
{
case Resource.Id.menu_add:
_IsContactNew = true;
CreateDialog();
_dialog.Show();
break;
case Resource.Id.menu_contacts:
AddContactFromPhone();
break;
case Resource.Id.menu_qr:
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
RunOnUiThread(async() =>
{
var result = await scanner.Scan();
if (!string.IsNullOrEmpty(result?.Text))
{
SetUpAndShowAlert(result.Text);
}
});
break;
default:
break;
}
return(base.OnOptionsItemSelected(item));
}
public override async void OnLoadResource(WebView view, string url)
{
// If the URL is not our own custom scheme, just let the webView load the URL as usual
var scheme = "hybrid:";
//if (!url.StartsWith(scheme))
// return false;
if (url.EndsWith("Scanner"))
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan(view.Context, new ZXing.Mobile.MobileBarcodeScanningOptions {
PossibleFormats = new List <ZXing.BarcodeFormat> {
ZXing.BarcodeFormat.QR_CODE
}
});
if (result != null)
{
Console.WriteLine("Scanned Barcode: " + result.Text);
scanner.Cancel();
// TODO
System.Net.WebClient client = new System.Net.WebClient();
var response = client.UploadString("https://idcoin.howell.no/Bank/Authenticated", result.Text);
// - POST request to /Bank/AuthenticateOrWhatever with the keywords in the QR
// - Navigate to /Authenticator/Success
view.LoadUrl("https://idcoin.howell.no/Authenticator/Success");
}
}
}
async void scanClicked(object sender, System.EventArgs e)
{
//MobileBarcodeScanner.Initialize(Application);
#if __ANDROID__
// Initialize the scanner first so it can track the current context
MobileBarcodeScanner.Initialize(Application);
#endif
// Initialize the scanner first so it can track the current context
//if (Device.RuntimePlatform == Device.Android)
// {
//ZXing.Mobile.MobileBarcodeScanner.Initialize(Application);
//}
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
try
{
var result = await scanner.Scan();
bar.Text = result.Text;
}
catch
{
bar.Text = "no result";
}
}
async void OnScan_Clicked(object sender, EventArgs eventArgs)
{
try
{
ZXing.Mobile.MobileBarcodeScanner scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.Torch(true);
ZXing.Result result = await scanner.Scan();
if (result != null)
{
Console.WriteLine("Scanned Barcode: " + result.Text);
GoogleBooksService service = new GoogleBooksService();
Book bookResult = await service.GetBookAsync(result.Text);
if (bookResult == null)
{
await DisplayAlert("Could not find Book", "Could not find book. Please check the barcode and try again.", "OK");
}
else
{
this._book.Book = bookResult;
}
}
}
catch (Exception ex)
{
await DisplayAlert("Error Occured", "An Error occured while scanning. Try again later.", "Ok");
Log.Warning("Scanner", ex.Message);
throw new Exception(ex.Message, ex);
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.FirstView);
Button buttonQR = this.FindViewById <Button>(Resource.Id.buttonQR);
buttonQR.Click += async delegate {
//NOTE: On Android you MUST pass a Context into the Constructor!
var scanner = new ZXing.Mobile.MobileBarcodeScanner(this);
var result = await scanner.Scan();
if (result != null)
{
System.Console.WriteLine("Scanned Barcode: " + result.Text);
}
};
/*
* if (IsThereAnAppToTakePictures())
* {
* CreateDirectoryForPictures();
* Button button = this.FindViewById<Button>(Resource.Id.button1);
*
* //Button button = FindViewById<Button>(Resource.Id.myButton);
* _imageView = FindViewById<ImageView>(Resource.Id.imageView1);
* if (App.bitmap != null)
* {
* _imageView.SetImageBitmap(App.bitmap);
* //App.bitmap = null;
* }
* button.Click += TakeAPicture;
* }
*/
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.MyButton);
button.Click += delegate { button.Text = string.Format("{0} clicks!", count++); };
Button btn_Scanner = FindViewById <Button>(Resource.Id.btn_Scanner);
btn_Scanner.Click += async(sender, e) =>
{
//NOTE: On Android, you MUST pass a Context into the Constructor!
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
Console.WriteLine("Scanned Barcode: " + result.Text);
}
};
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.Main);
Button buttonScan = FindViewById <Button> (Resource.Id.buttonScan);
TextView labelOutput = FindViewById <TextView> (Resource.Id.labelOutput);
buttonScan.Click += delegate
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner(this);
scanner.UseCustomOverlay = false;
scanner.TopText = "Hold the camera up to the barcode\nAbout 6 inches away";
scanner.BottomText = "Wait for the barcode to automatically scan!\nEvolve 2013";
scanner.Scan().ContinueWith(t => {
if (t.Status == System.Threading.Tasks.TaskStatus.RanToCompletion)
{
RunOnUiThread(() => labelOutput.Text = t.Result.Text);
}
});
};
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Create your application here
SetContentView(Resource.Layout.QRCodeView);
var txtQRResult = FindViewById <EditText> (Resource.Id.txtQRResult);
var btnScan = FindViewById <Button> (Resource.Id.btnScan);
btnScan.Click += async(object sender, EventArgs e) => {
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
Console.WriteLine("Scanned Barcode: " + result.Text);
RunOnUiThread(() => {
txtQRResult.Text = result.Text;
});
}
};
}
public async Task Navigate()
{
ZXing.Mobile.MobileBarcodeScanner option = new ZXing.Mobile.MobileBarcodeScanner();
var scanner = new ZXing.Mobile.MobileBarcodeScanningOptions()
{
TryHarder = true,
AutoRotate = false,
TryInverted = true,
DelayBetweenContinuousScans = 2000,
};
ZXingScannerPage scanPage = new ZXingScannerPage(scanner);
await Navigation.PushAsync(scanPage);
scanPage.OnScanResult += (result) =>
{
scanPage.IsScanning = false;
ZXing.BarcodeFormat barcodeFormat = result.BarcodeFormat;
string type = barcodeFormat.ToString();
Device.BeginInvokeOnMainThread(() =>
{
Navigation.PopAsync();
DisplayAlert("The Barcode type is : " + type, "The text is : " + result.Text, "OK");
});
};
}
private async Task ScanBarcode()
{
try
{
var barcodeScanner = new ZXing.Mobile.MobileBarcodeScanner(this);
var barcodeResult = await barcodeScanner.Scan();
if (string.IsNullOrEmpty(barcodeResult.Text))
{
return;
}
var Beers = await barcodeLookupService.SearchForBeer(barcodeResult.Text);
if (Beers != null)
{
}
}
catch (Exception ex)
{
Insights.Report(ex);
}
finally
{
UserDialogs.Instance.HideLoading();
}
}
public async Task<string> ScanAsync()
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner(App.RootFrame.Dispatcher);
var scanResults = await scanner.Scan();
return scanResults.Text;
}
public override void ViewDidLoad()
{
base.ViewDidLoad ();
View.BackgroundColor = UIColor.White;
var button = UIButton.FromType (UIButtonType.RoundedRect);
button.Frame = new System.Drawing.RectangleF (10, 10, 150, 44);
button.SetTitle ("Scan Beer", UIControlState.Normal);
var label = new UILabel (new System.Drawing.Rectangle (10, 70, 300, 44));
button.TouchUpInside += delegate
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.Scan().ContinueWith(t => {
if (t.Result != null)
{
try
{
var foundBeer = Engine.Service.LookupBeerFromScanCode (t.Result.Text);
label.Text = foundBeer.Name;
}
catch (Exception e)
{
label.Text = "Could not find beer";
}
}
}, System.Threading.Tasks.TaskScheduler.FromCurrentSynchronizationContext ());
};
View.Add (button);
View.Add (label);
}
private async void Scanner_Tapped(object sender, EventArgs e)
{
try
{
var options = new ZXing.Mobile.MobileBarcodeScanningOptions()
{
AutoRotate = false,
TryInverted = true,
TryHarder = true,
};
//options.PossibleFormats = new List<ZXing.BarcodeFormat>()
//{
// ZXing.BarcodeFormat.EAN_8, ZXing.BarcodeFormat.EAN_13
//};
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan(options);
actLoading.IsRunning = true;
HandleResult(result);
actLoading.IsRunning = false;
}
catch (Exception ex)
{
}
}
private async void onQRCodeConnectClicked(object sender, EventArgs e)
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var scanResult = await scanner.Scan();
if (scanResult != null && scanResult.Text != "")
{
var connectInfo = Connection.DecodeBluetoothConnection(scanResult.Text);
Guid guid = connectInfo.Guid;
IBluetoothDevice bluetoothDevice = DependencyService.Get <IBluetoothManager>().GetBluetoothDevice(connectInfo.DeviceAddress);
IConnectionManager connectionManager = DependencyService.Get <IConnectionManager>();
IClientConnection currentConnection = connectionManager.ControllerConnection as IClientConnection;
ConnectionEstablishState connectState = ConnectionEstablishState.Failed;
IClientConnection connection = DependencyService.Get <IBluetoothManager>().CreateRfcommClientConnection(bluetoothDevice, guid);
if (connectionManager.ControllerConnection != null)
{
bool result = await DisplayAlert("Connect", "Stop Current Connection ?", "Yes", "No");
if (result)
{
if (currentConnection.ConnectionEstablishState == ConnectionEstablishState.Connecting)
{
currentConnection.AbortConnecting();
}
}
}
connectionManager.ControllerConnection = connection;
connectState = await connection.ConnectAsync();
}
}
async private void PerformScanAsync()
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result == null)
{
return;
}
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
string fname = Path.Combine(dir, result.Text);
if (File.Exists(fname))
{
lblInfo.Text = "Чек был добавлен ранее";
return;
}
using (var streamWriter = new StreamWriter(fname, false))
{
streamWriter.WriteLine(result.Text);
}
lblInfo.Text = "Чек успешно добавлен";
UpdateReceipts();
}
private async void ScanQRCode(object obj)
{
var options = new ZXing.Mobile.MobileBarcodeScanningOptions
{
PossibleFormats = new List <ZXing.BarcodeFormat> {
ZXing.BarcodeFormat.QR_CODE
}
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan(options);
try
{
if (result != null)
{
if (result.Text.StartsWith("http://", StringComparison.InvariantCulture) ||
result.Text.StartsWith("https://", StringComparison.InvariantCulture))
{
Device.OpenUri(new Uri(result.Text));
}
}
Console.WriteLine("Scanned Barcode: " + result.Text);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
// Función para abrir la página del scanner
async void ScanningPage(object sender, EventArgs e)
{
try
{
// Se configura el lector de códigos de barras
var options = new ZXing.Mobile.MobileBarcodeScanningOptions
{
PossibleFormats = new List <ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.CODE_128
},
TryHarder = true,
AssumeGS1 = true,
AutoRotate = true
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan(options);
if (result != null)
{
// Capturamos el código de barras
string scanResult = result.Text;
// Asignamos su valor a la entrada de texto
Entry_CodeBars.Text = scanResult;
// Verificamos que el código de barras sea válido
await VerifyCodeBars();
}
}
catch (Exception ex)
{
await DisplayAlert("Error", ex.Message, "OK");
return;
}
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
/* 以下寫法會得到:
* error CS4034: The 'await' operator can only be used within an
* async lambda expression. Consider marking this lambda expression
* with the 'async' modifier.
*
* buttonScan.TouchUpInside += (sender, e) => {
*
* //NOTE: On Android you MUST pass a Context into the Constructor!
* var scanner = new ZXing.Mobile.MobileBarcodeScanner();
* var result = await scanner.Scan();
*
* if (result != null)
* Console.WriteLine("Scanned Barcode: " + result.Text);
* };
*/
//改成如下是可以
buttonScan.TouchUpInside += async(sender, e) => {
//NOTE: On Android you MUST pass a Context into the Constructor!
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
Console.WriteLine("Scanned Barcode: " + result.Text);
}
};
// Perform any additional setup after loading the view, typically from a nib.
}
// The project requires the Google Glass Component from
// https://components.xamarin.com/view/googleglass
// so make sure you add that in to compile succesfully.
protected override async void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
Window.AddFlags(WindowManagerFlags.KeepScreenOn);
var scanner = new ZXing.Mobile.MobileBarcodeScanner(this);
scanner.UseCustomOverlay = true;
scanner.CustomOverlay = LayoutInflater.Inflate(Resource.Layout.QRScan, null);;
var result = await scanner.Scan();
AudioManager audio = (AudioManager)GetSystemService(Context.AudioService);
audio.PlaySoundEffect((SoundEffect)Sounds.Success);
Window.ClearFlags(WindowManagerFlags.KeepScreenOn);
if (result != null)
{
Console.WriteLine("Scanned Barcode: " + result.Text);
var card2 = new Card(this);
card2.SetText(result.Text);
card2.SetFootnote("Just scanned!");
SetContentView(card2.ToView());
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById<Button>(Resource.Id.MyButton);
button.Click += delegate { button.Text = string.Format("{0} clicks!", count++); };
Button btn_Scanner = FindViewById<Button>(Resource.Id.btn_Scanner);
btn_Scanner.Click += async (sender, e) =>
{
//NOTE: On Android, you MUST pass a Context into the Constructor!
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
Console.WriteLine("Scanned Barcode: " + result.Text);
};
}
private async void ScanQrClicked(object sender, EventArgs e)
{
ILoggingService log = DependencyService.Get <ILoggingService>();
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
log.LogMessage(false, $"Read QR code. Text length = {result.Text.Length}");
var list = new DeviceList();
list.LoadDeviceListFromString(result.Text);
log.LogMessage(false, $"{list.DeviceInfos.Count} connections read");
if (list.DeviceInfos.Count > 0)
{
this.Devices.Clear();
foreach (var info in list.DeviceInfos)
{
this.Devices.Add(info);
}
}
}
else
{
log.LogMessage(false, "No QR code read");
}
}
private async void btn_Scanner_Clicked(object sender, EventArgs e)
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
System.Diagnostics.Debug.WriteLine(result.Text);
}
private async void InformarParticipante()
{
try
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
String[] dados = result.ToString().Split(';');
NomeParticipante = dados[1];
EmailParticipante = dados[2];
TelParticipante = dados[3];
EmpresaParticipante = dados[4];
IsRunning = true;
String sql = "insert into tb_participante02 (idcliente01, idparticipante01, dtpresenca) values (" + pesquisador.idcliente + ", " + dados[0] + " ,'" + String.Format("{0:yyyy-MM-dd HH:mm:ss}", DateTime.Now) + "')";
await new DadosPesquisaUtil().EnviarSQL(sql, 0);
await this.page.DisplayAlert("Sucesso", "Participante registrado com sucesso.", "Ok");
}
}
catch (Exception ex)
{
await this.page.DisplayAlert("Erro", ex.Message, "Ok");
}
finally
{
IsRunning = false;
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
Button zaloguj = FindViewById <Button>(Resource.Id.zaloguj);
EditText kod = FindViewById <EditText>(Resource.Id.editKod);
zaloguj.Click += mButton_zaloguj;
Button Skanuj = FindViewById <Button>(Resource.Id.Skanuj);
MobileBarcodeScanner.Initialize(Application);
Skanuj.Click += async(sender, e) =>
{
var opt = new MobileBarcodeScanningOptions();
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
opt.DelayBetweenContinuousScans = 3000;
scanner.TopText = "Utrzymuj kreskę na kodzie kreskowym\ntak aby był cały na ekranie\n(ok 10 com od ekranu)";
scanner.BottomText = "Dotknij ekranu aby zlapac ostrość!";
// scanner.ScanContinuously(opt, HandleScanResultContinuous);
var result = await scanner.Scan();
if (result != null)
{
kod.Text = result.Text;
}
};
}
private async void Scan_Clicked(object sender, EventArgs e)
{
try
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
var content = result.Text;
try
{
JsonConvert.PopulateObject(content, Item);
OnPropertyChanged(nameof(Item));
}
catch
{
DependencyService.Get <IMessage>().ShortAlert("二维码数据不正确。");
}
}
}
catch (Exception ex)
{
DependencyService.Get <IMessage>().ShortAlert(ex.ToString());
}
}
public Scanner()
{
var scanButton = new Button {
Text = "Scan"
};
scanButton.Clicked += async(sender, e) =>
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
DisplayAlert("ZXing", "Scanned Barcode: " + result.Text, "OK");
}
};
Content = new StackLayout
{
Children =
{
scanButton
}
};
}
async void ScanItem_ClickedAsync(object sender, EventArgs e)
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
Debug.WriteLine("Scanned Barcode: " + result.Text);
var book = app.Database.GetBookByBarcode(result.Text);
if (book != null)
{
await Task.Delay(300);
await Navigation.PushAsync(new BookDetailsPage()
{
Book = book
});
}
else
{
if (await DisplayAlert("Not Found!", "Книга с ISBN " + result.Text + " не найдена. Добавить эту книгу в библиотеку?", "Yes", "No"))
{
await Navigation.PushAsync(new NewBookEdit()
{
ISBN = result.Text
});
}
}
}
}
public GameCompletePage()
{
InitializeComponent();
viewModel = this.DataContext as GameCompleteViewModel;
viewModel.PropertyChanged += HandlePropertyChanged;
Loaded += GameCompletePage_Loaded;
scanner = new ZXing.Mobile.MobileBarcodeScanner(Deployment.Current.Dispatcher);
}
async Task Scan()
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
Console.WriteLine("Scanned Barcode: " + result.Text);
TextDocumentProxy.InsertText (result.Text);
}
async public Task<string> Scan()
{
//NOTE: On Android you MUST pass a Context into the Constructor!
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
//if (result != null)
//Console.WriteLine("Scanned Barcode: " + result.Text);
return result.Text;
}
//
// This method is invoked when the application has loaded and is ready to run. In this
// method you should instantiate the window, load the UI into it and then make the window
// visible.
//
// You have 17 seconds to return from this method, or iOS will terminate your application.
//
public override bool FinishedLaunching (UIApplication app, NSDictionary options)
{
JsBridge.EnableJsBridge();
window = new UIWindow (UIScreen.MainScreen.Bounds);
// get useragent
UIWebView agentWebView = new UIWebView ();
var userAgent = agentWebView.EvaluateJavascript ("navigator.userAgent");
agentWebView = null;
userAgent += " XamarinBarcodeSampleApp";
// set default useragent
NSDictionary dictionary = NSDictionary.FromObjectAndKey(NSObject.FromObject(userAgent), NSObject.FromObject("UserAgent"));
NSUserDefaults.StandardUserDefaults.RegisterDefaults(dictionary);
viewController = new Xamarin_iOS_BarcodeSampleViewController ();
window.RootViewController = viewController;
window.MakeKeyAndVisible ();
viewController.MainWebView.LoadRequest(new NSUrlRequest(new NSUrl("http://xamarinbarcodesample.apphb.com/")));
// listen for the event triggered by the browser.
viewController.MainWebView.AddEventListener( "scanBarcode", delegate(FireEventData arg) {
// show a native action sheet
BeginInvokeOnMainThread (delegate {
//NOTE: On Android you MUST pass a Context into the Constructor!
var scanningOptions = new ZXing.Mobile.MobileBarcodeScanningOptions();
scanningOptions.PossibleFormats = new List<ZXing.BarcodeFormat>() {
ZXing.BarcodeFormat.All_1D
};
scanningOptions.TryInverted = true;
scanningOptions.TryHarder = true;
scanningOptions.AutoRotate = false;
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.TopText = "Hold camera up to barcode to scan";
scanner.BottomText = "Barcode will automatically scan";
scanner.Scan(scanningOptions).ContinueWith(t => {
if (t.Result != null) {
//Console.WriteLine("Scanned Barcode: " + t.Result.Text);
// pass barcode back to browser.
viewController.MainWebView.FireEvent( "scanComplete", new {
code = t.Result.Text
});
}
});
});
});
return true;
}
//Implementamos el metodo Scan definido en la interfaz IScan
public async System.Threading.Tasks.Task<String> Scan(){
var ctx = Forms.Context;
var scanner = new ZXing.Mobile.MobileBarcodeScanner(ctx);
var result = await scanner.Scan();
if(result != null)
return result.ToString ();
return string.Empty;
}
public override void ViewDidLoad ()
{
base.ViewDidLoad ();
buttonScan.TouchUpInside += (sender, e) => {
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.Scan().ContinueWith(t => {
if (t.Result != null)
InvokeOnMainThread(() => labelOutput.Text = t.Result.Text);
});
};
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear (animated);
Btn.TouchDown += async (object sender, EventArgs e) =>
{
//NOTE: On Android you MUST pass a Context into the Constructor!
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
Console.WriteLine("Scanned Barcode: " + result.Text);
};
}
public QuestPage()
{
InitializeComponent();
ViewModel = this.DataContext as QuestViewModel;
ViewModel.PropertyChanged += HandlePropertyChanged;
this.Loaded += PhasePage_Loaded;
scanner = new ZXing.Mobile.MobileBarcodeScanner(Deployment.Current.Dispatcher);
options.PossibleFormats = new List<ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE
};
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
viewModel = new GameCompleteViewModel();
scanner = new ZXing.Mobile.MobileBarcodeScanner();
ButtonShare.Layer.CornerRadius = 5;
scanButton = new UIBarButtonItem("Scan", UIBarButtonItemStyle.Plain, async (sender, args) =>
{
var result = await scanner.Scan(true);
if (result == null)
return;
Console.WriteLine("Scanned Barcode: " + result.Text);
viewModel.CheckBanana(result.Text);
});
NavigationItem.RightBarButtonItem = scanButton;
viewModel.PropertyChanged += HandlePropertyChanged;
manager = new CLLocationManager();
manager.DidRangeBeacons += (sender2, e) =>
{
if (e.Beacons == null)
return;
foreach (var beacon in e.Beacons)
{
if (beacon.Proximity != CLProximity.Immediate)
{
return;
}
if (beacon.Accuracy > .1)//close, but not close enough.
return;
viewModel.CheckBanana(beacon.Major.Int32Value, beacon.Minor.Int32Value);
}
};
viewModel.LoadGameCommand.Execute(null);
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
UITapGestureRecognizer scanBarcodeTapped = new UITapGestureRecognizer();
scanBarcodeTapped.AddTarget(async() =>
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
Console.WriteLine(result.Text);
});
scanBarcodeView.AddGestureRecognizer(scanBarcodeTapped);
}
partial void OnScan(MonoTouch.Foundation.NSObject sender)
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.Scan().ContinueWith(t => {
if (t.Result != null)
{
//Console.WriteLine("Scanned Barcode: " + t.Result.Text);
var newCtrl = new UIViewController ();
var beer = Engine.Service.LookupBeerFromScanCode (t.Result.Text);
newCtrl.Title = beer.Name;
newCtrl.View.BackgroundColor = UIColor.White;
NavigationController.PushViewController (newCtrl, false);
}
}, System.Threading.Tasks.TaskScheduler.FromCurrentSynchronizationContext ());
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
App.CurrentActivity = this;
ActionBar.SetDisplayHomeAsUpEnabled(true);
ActionBar.SetHomeButtonEnabled(true);
viewModel = new GameCompleteViewModel();
SetContentView(Resource.Layout.game_complete);
viewModel.PropertyChanged += HandlePropertyChanged;
mainImage = FindViewById<ImageView>(Resource.Id.main_image);
progressBar = FindViewById<ProgressBar>(Resource.Id.progressBar);
beaconManager = new BeaconManager(this);
scanner = new ZXing.Mobile.MobileBarcodeScanner();
var shareButton = FindViewById<Button>(Resource.Id.share_success);
shareButton.Click += (sender, e) =>
{
var intent = new Intent(Intent.ActionSend);
intent.SetType("text/plain");
intent.PutExtra(Intent.ExtraText, Resources.GetString(Resource.String.success_tweet));
StartActivity(Intent.CreateChooser(intent, Resources.GetString(Resource.String.share_success)));
};
beaconManager.Ranging += (sender, e) =>
{
if (e.Beacons == null)
return;
foreach (var beacon in e.Beacons)
{
var proximity = Utils.ComputeProximity(beacon);
if (proximity != Utils.Proximity.Immediate)
continue;
var accuracy = Utils.ComputeAccuracy(beacon);
if (accuracy > .06)
continue;
viewModel.CheckBanana(beacon.Major, beacon.Minor);
}
};
viewModel.LoadGameCommand.Execute(null);
}
public override UITableViewCell GetCell(UITableView tableView, Foundation.NSIndexPath indexPath)
{
if(indexPath.Section == 0)
{
var index = indexPath.Row;
if (index == 0)
{
var cellIdentifier = new NSString("noRecentSearchesViewCell");
var cell = tableView.DequeueReusableCell(cellIdentifier) as NoRecentSearchesViewCell ?? new NoRecentSearchesViewCell(cellIdentifier);
return cell;
}
}
if(indexPath.Section == 1)
{
var cellIdentifier = new NSString("barcodeSearchTableViewCell");
var cell = tableView.DequeueReusableCell(cellIdentifier) as BarcodeSearchTableViewCell ?? new BarcodeSearchTableViewCell(cellIdentifier);
cell.ScanBeer += async () =>
{
try
{
var barcodeScanner = new ZXing.Mobile.MobileBarcodeScanner(viewController);
var barcodeResult = await barcodeScanner.Scan();
if (string.IsNullOrEmpty(barcodeResult.Text))
return;
var Beers = await barcodeLookupService.SearchForBeer(barcodeResult.Text);
if (Beers != null)
{
}
}
catch (Exception ex)
{
Xamarin.Insights.Report(ex);
}
finally
{
UserDialogs.Instance.HideLoading();
}
};
return cell;
}
return new UITableViewCell();
}
public static async Task<string> ReadQRCode(Context context)
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner(context);
scanner.UseCustomOverlay = false;
//We can customize the top and bottom text of the default overlay
scanner.TopText = "Hold the camera up to the QR code\nAbout 6 inches away";
scanner.BottomText = "Wait for the QR Code to automatically scan!";
//Start scanning
var result = await scanner.Scan();
if (result != null)
{
return result.Text;
}
return null;
}
//Implementamos el metodo Scan definido en la interfaz IScan
public async System.Threading.Tasks.Task<String> Scan(){
var ctx = Forms.Context;
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.PossibleFormats = new System.Collections.Generic.List<ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE,
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner(ctx);
var result = await scanner.Scan(options);
if(result != null)
return result.ToString ();
return string.Empty;
}
async public Task<string> Scan ()
{
//NOTE: On Android you MUST pass a Context into the Constructor!
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null) {
Console.WriteLine ("Scanned Barcode: " + result.Text);
return result.Text;
} else {
Console.WriteLine ("No barcode scanned");
return "50375264";
}
// return result.Text;
// return "We need to link to a real iphone to test";
}
private async void OnScanButtonClick (object sender, EventArgs e)
{
ZXing.Mobile.MobileBarcodeScanner scanner = new ZXing.Mobile.MobileBarcodeScanner();
ZXing.Result result = await scanner.Scan();
ProductEntity product = Model.FindProductByEAN (uint.Parse(result.Text));
AlertDialog.Builder alertBuilder = new AlertDialog.Builder (Activity);
if (product != null) {
alertBuilder.SetTitle ($"Product - {product.Name}");
alertBuilder.SetMessage (product.Description);
} else {
alertBuilder.SetTitle ("Error");
alertBuilder.SetMessage ($"Product with EAN {result.Text} couldnt be found!");
}
alertBuilder.Show ();
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
ActionBar.SetDisplayHomeAsUpEnabled(true);
ActionBar.SetHomeButtonEnabled(true);
App.CurrentActivity = this;
ViewModel = new QuestViewModel();
SetContentView(Resource.Layout.quest);
ViewModel.PropertyChanged += HandlePropertyChanged;
imageLoader = new ImageLoader(this, 256, 5);
beacon1 = FindViewById<ImageView>(Resource.Id.beacon1);
beacon2 = FindViewById<ImageView>(Resource.Id.beacon2);
beacon3 = FindViewById<ImageView>(Resource.Id.beacon3);
beacons = new List<ImageView> { beacon1, beacon2, beacon3 };
mainImage = FindViewById<ImageView>(Resource.Id.main_image);
mainText = FindViewById<TextView>(Resource.Id.main_text);
beaconNearby = FindViewById<TextView>(Resource.Id.text_beacons);
progressBar = FindViewById<ProgressBar>(Resource.Id.progressBar);
buttonContinue = FindViewById<Button>(Resource.Id.button_continue);
buttonContinue.Click += ButtonContinueClick;
buttonContinue.Visibility = ViewStates.Gone;
beaconManager = new BeaconManager(this);
scanner = new ZXing.Mobile.MobileBarcodeScanner();
beaconManager.Ranging += BeaconManagerRanging;
beaconManager.EnteredRegion += (sender, args) => SetBeaconText(true);
beaconManager.ExitedRegion += (sender, args) => SetBeaconText(false);
beacon1.Visibility = beacon2.Visibility = beacon3.Visibility = ViewStates.Invisible;
options.PossibleFormats = new List<ZXing.BarcodeFormat>()
{
ZXing.BarcodeFormat.QR_CODE
};
ViewModel.LoadQuestCommand.Execute(null);
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate (bundle);
//载入页面
SetContentView (Resource.Layout.Main);
//将页面上的物件实体化
var btnScan = FindViewById<Button> (Resource.Id.btnScan);
var txtResult = FindViewById<TextView> (Resource.Id.txtResult);
var txInput = FindViewById<TextView> (Resource.Id.txInput);
var imgBarcode = FindViewById<ImageView> (Resource.Id.imgBarcode);
var btnGenerateBarcode = FindViewById<Button> (Resource.Id.btnGenerateBarcode);
imgBarcode.Visibility = ViewStates.Invisible;
//扫描条码
btnScan.Click += async (sender, e) => {
var Scanner = new ZXing.Mobile.MobileBarcodeScanner(this);
Scanner.UseCustomOverlay = false;
Scanner.TopText = "请保持摄像头与条码至少六英寸的距离";
Scanner.BottomText = "请等候，扫描将自动完成";
var result = await Scanner.Scan();
if (result !=null)
txtResult.Text = result.Text;
};
btnGenerateBarcode.Click += (sender, e) => {
var writer = new BarcodeWriter
{
Format = BarcodeFormat.QR_CODE
};
var bitmap = writer.Write(txInput.Text);
imgBarcode.SetImageBitmap(bitmap);
imgBarcode.Visibility=ViewStates.Visible;
};
}
/// <summary>
/// Create connection by presenting in-app QR code scanner.
/// </summary>
/// <param name="ctx"></param>
/// <returns></returns>
public static async Task<bool> EstablishSenderConnection(Activity ctx)
{
var overlay = ctx.LayoutInflater.Inflate(Resource.Layout.ScannerOverlay, null);
var options = new ZXing.Mobile.MobileBarcodeScanningOptions()
{
PossibleFormats = new System.Collections.Generic.List<ZXing.BarcodeFormat>() { ZXing.BarcodeFormat.QR_CODE }
};
var scanner = new ZXing.Mobile.MobileBarcodeScanner(ctx)
{
UseCustomOverlay = true,
CustomOverlay = overlay
};
var result = await scanner.Scan(options);
if (result == null)
return false;
string resString = result.Text;
if (resString == QR.DataSchemeWithSuffix + "sound")
{
// the secret special mode. makes it possible to test features without another device.
// scan this: http://chart.apis.google.com/chart?chs=500x500&cht=qr&chl=dltsec://sound
Network.SenderConnection.CreateWithoutEndpoint();
Network.SenderConnection.CurrentConnection.RemoteName = "nobody";
return true;
}
if (!Features.QR.IsValid(resString))
throw new InvalidQRCodeException();
string host, password;
int port;
Features.QR.GetComponents(resString, out host, out port, out password);
return await EstablishSenderConnection(ctx, host, port, password);
}
async public Task<string> Scan ()
{
//NOTE: On Android you MUST pass a Context into the Constructor!
var scanner = new ZXing.Mobile.MobileBarcodeScanner ();
// scanner.ScanContinuously( HandleScanResult );
var result = await scanner.Scan ();
if (result != null) {
Console.WriteLine ("Scanned Barcode: " + result.Text);
SystemSound.Vibrate.PlaySystemSound ();
return result.Text;
} else {
Console.WriteLine ("No barcode scanned");
// SystemSound.Vibrate.PlaySystemSound ();
// return "50375264";
return null;
}
return null;
}
protected override void OnCreate (Bundle bundle)
{
base.OnCreate (bundle);
SetContentView (Resource.Layout.Main);
Button buttonScan = FindViewById<Button> (Resource.Id.buttonScan);
TextView labelOutput = FindViewById<TextView> (Resource.Id.labelOutput);
buttonScan.Click += delegate
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner (this);
scanner.UseCustomOverlay = false;
scanner.TopText = "Hold the camera up to the barcode\nAbout 6 inches away";
scanner.BottomText = "Wait for the barcode to automatically scan!\nEvolve 2013";
scanner.Scan ().ContinueWith (t => {
if (t.Status == System.Threading.Tasks.TaskStatus.RanToCompletion)
RunOnUiThread (() => labelOutput.Text = t.Result.Text);
});
};
}
// The project requires the Google Glass Component from
// https://components.xamarin.com/view/googleglass
// so make sure you add that in to compile succesfully.
protected override async void OnCreate (Bundle bundle)
{
base.OnCreate (bundle);
Window.AddFlags (WindowManagerFlags.KeepScreenOn);
var scanner = new ZXing.Mobile.MobileBarcodeScanner(this);
scanner.UseCustomOverlay = true;
scanner.CustomOverlay = LayoutInflater.Inflate(Resource.Layout.QRScan, null);;
var result = await scanner.Scan();
AudioManager audio = (AudioManager) GetSystemService(Context.AudioService);
audio.PlaySoundEffect((SoundEffect)Sounds.Success);
Window.ClearFlags (WindowManagerFlags.KeepScreenOn);
if (result != null) {
Console.WriteLine ("Scanned Barcode: " + result.Text);
var card2 = new Card (this);
card2.SetText (result.Text);
card2.SetFootnote ("Just scanned!");
SetContentView (card2.ToView());
}
}
private async void BtnScan_Click(object sender, EventArgs e)
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
var result = await scanner.Scan();
if (result != null)
{
// Toast.MakeText(this, "Scanned Barcode: " + result.ToString(), ToastLength.Short).Show(); //Show ID
objDm = new DatabaseManager();
var PCHardwareInfo = objDm.CheckData(result.ToString()).DefaultView; //Search Database for ID
//Change labels to show data
foreach (System.Data.DataRowView PCHardwareItem in PCHardwareInfo)
{
txtAuditDate.Text = PCHardwareItem.Row[0].ToString();
txtAuditor.Text = PCHardwareItem.Row[1].ToString();
txtManu.Text = PCHardwareItem.Row[2].ToString();
txtModel.Text = PCHardwareItem.Row[3].ToString();
txtComputerName.Text = PCHardwareItem.Row[4].ToString();
txtOperSys.Text = PCHardwareItem.Row[5].ToString();
txtOperSysArch.Text = PCHardwareItem.Row[6].ToString();
txtServicePack.Text = PCHardwareItem.Row[7].ToString();
txtSerialNo.Text = PCHardwareItem.Row[8].ToString();
txtProcessorName.Text = PCHardwareItem.Row[9].ToString();
txtProcessorsAmt.Text = PCHardwareItem.Row[10].ToString();
txtRamAmt.Text = PCHardwareItem.Row[11].ToString();
txtHardDriveSize.Text = PCHardwareItem.Row[12].ToString();
txtAvailSpace.Text = PCHardwareItem.Row[13].ToString();
txtComments.Text = PCHardwareItem.Row[14].ToString();
}
UpdateInformation = true;
}
else
Toast.MakeText(this, "Invalid QRCode", ToastLength.Short).Show();
}
public async void ScanBarcode(Action<object> callback)
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner(_baseActivity);
var result = await scanner.Scan();
if (result != null)
_baseActivity.InvokeOnResume(() => callback(result.Text));
}
