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public ScanContinuously ( Android.Content.Context context, ZXing.Mobile.MobileBarcodeScanningOptions options, Action |
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| context | Android.Content.Context | |
| options | ZXing.Mobile.MobileBarcodeScanningOptions | |
| scanHandler | Action |
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| Результат | void | |
public void ScanQRCodeContinuously(Func <IMobileBarcodeScanner, ZXing.Result, bool> action)
{
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
scanner.ScanContinuously((result) =>
{
//scanner.Torch(true);
var url = result.Text;
if (action == null || action(scanner, result))
{
scanner.Cancel();
}
});
//scanner.Torch(true);
}
public override void ViewDidLoad()
{
//Create a new instance of our scanner
scanner = new MobileBarcodeScanner(this.NavigationController);
Root = new RootElement ("ZXing.Net.Mobile") {
new Section {
new StyledStringElement ("Scan with Default View", async () => {
//Tell our scanner to use the default overlay
scanner.UseCustomOverlay = false;
//We can customize the top and bottom text of the default overlay
scanner.TopText = "Hold camera up to barcode to scan";
scanner.BottomText = "Barcode will automatically scan";
//Start scanning
var result = await scanner.Scan ();
HandleScanResult(result);
}),
new StyledStringElement ("Scan Continuously", () => {
//Tell our scanner to use the default overlay
scanner.UseCustomOverlay = false;
//Tell our scanner to use our custom overlay
scanner.UseCustomOverlay = true;
scanner.CustomOverlay = customOverlay;
var opt = new MobileBarcodeScanningOptions ();
opt.DelayBetweenContinuousScans = 3000;
//Start scanning
scanner.ScanContinuously (opt, true, HandleScanResult);
}),
new StyledStringElement ("Scan with Custom View", async () => {
//Create an instance of our custom overlay
customOverlay = new CustomOverlayView();
//Wireup the buttons from our custom overlay
customOverlay.ButtonTorch.TouchUpInside += delegate {
scanner.ToggleTorch();
};
customOverlay.ButtonCancel.TouchUpInside += delegate {
scanner.Cancel();
};
//Tell our scanner to use our custom overlay
scanner.UseCustomOverlay = true;
scanner.CustomOverlay = customOverlay;
var result = await scanner.Scan ();
HandleScanResult(result);
}),
new StyledStringElement ("Scan with AVCapture Engine", async () => {
//Tell our scanner to use the default overlay
scanner.UseCustomOverlay = false;
//We can customize the top and bottom text of the default overlay
scanner.TopText = "Hold camera up to barcode to scan";
scanner.BottomText = "Barcode will automatically scan";
//Start scanning
var result = await scanner.Scan (true);
HandleScanResult (result);
}),
new StyledStringElement ("Generate Barcode", () => {
NavigationController.PushViewController (new ImageViewController (), true);
})
}
};
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate (bundle);
// Initialize the scanner first so we can track the current context
MobileBarcodeScanner.Initialize (Application);
// Set our view from the "main" layout resource
SetContentView (Resource.Layout.Main);
//Create a new instance of our Scanner
scanner = new MobileBarcodeScanner();
hideImage = this.FindViewById<Button>(Resource.Id.hideImageBtn);
previewImage = this.FindViewById<ImageView>(Resource.Id.previewImage);
hideImage.Visibility = ViewStates.Gone;
previewImage.Visibility = ViewStates.Gone;
hideImage.Click += (object sender, System.EventArgs e) => {
hideImage.Visibility = ViewStates.Gone;
previewImage.Visibility = ViewStates.Gone;
};
buttonScanDefaultView = this.FindViewById<Button>(Resource.Id.buttonScanDefaultView);
buttonScanDefaultView.Click += async delegate {
//Tell our scanner to use the default overlay
scanner.UseCustomOverlay = false;
//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!";
//Start scanning
var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
options.PossibleFormats = new List<ZXing.BarcodeFormat>() { ZXing.BarcodeFormat.AZTEC };
var result = await scanner.Scan(options);
HandleScanResult(result);
};
buttonContinuousScan = FindViewById<Button> (Resource.Id.buttonScanContinuous);
buttonContinuousScan.Click += delegate {
scanner.UseCustomOverlay = false;
//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!";
var opt = new MobileBarcodeScanningOptions ();
opt.DelayBetweenContinuousScans = 3000;
//Start scanning
scanner.ScanContinuously(opt, HandleScanResult);
};
Button flashButton;
View zxingOverlay;
buttonScanCustomView = this.FindViewById<Button>(Resource.Id.buttonScanCustomView);
buttonScanCustomView.Click += async delegate {
//Tell our scanner we want to use a custom overlay instead of the default
scanner.UseCustomOverlay = true;
//Inflate our custom overlay from a resource layout
zxingOverlay = LayoutInflater.FromContext(this).Inflate(Resource.Layout.ZxingOverlay, null);
//Find the button from our resource layout and wire up the click event
flashButton = zxingOverlay.FindViewById<Button>(Resource.Id.buttonZxingFlash);
flashButton.Click += (sender, e) => scanner.ToggleTorch();
//Set our custom overlay
scanner.CustomOverlay = zxingOverlay;
//Start scanning!
var result = await scanner.Scan();
HandleScanResult(result);
};
buttonFragmentScanner = FindViewById<Button> (Resource.Id.buttonFragment);
buttonFragmentScanner.Click += delegate {
StartActivity (typeof (FragmentActivity));
};
buttonGenerate = FindViewById<Button> (Resource.Id.buttonGenerate);
buttonGenerate.Click += delegate {
StartActivity (typeof (ImageActivity));
};
}