Class BarcodeScannerViewController

BarcodeScannerViewController is an extension of the ViewController class that implements barcode decoding features.

Definition

Assembly: DynamsoftBarcodeReaderBundle.xcframework

Objective-C
Swift

@interface BarcodeScannerViewController: UIViewController

class BarcodeScannerViewController: UIViewController

Properties

Property	Type	Description
`config`	DSBarcodeScannerConfig *	Sets or returns the barcode scanner configurations.
`onScannedResult`	void (^)(DSBarcodeScannerConfig )*	A property that holds a Block. The block is a callback that takes a single parameter of type `DSBarcodeScanResult` and returns no value.

config

Sets or returns the barcode scanner configurations of type DSBarcodeScannerConfig.

Objective-C
Swift

@property (nonatomic, strong, readwrite) DSBarcodeScannerConfig * config

var config: BarcodeScannerConfig = .init()

onScannedResult

A property that holds a Block. The block is a callback that takes a single parameter of type DSBarcodeScanResult and returns no value.

Objective-C
Swift

@property (nonatomic, copy, readwrite) void (^)(DSBarcodeScanResult *) onScannedResult

var onScannedResult: ((BarcodeScanResult) -> Void)?

How to Use

Objective-C
Swift

#import "ViewController.h"
#import <DynamsoftLicense/DynamsoftLicense.h>
#import <DynamsoftBarcodeReaderBundle/DynamsoftBarcodeReaderBundle.h>
#import <DynamsoftBarcodeReaderBundle/DynamsoftBarcodeReaderBundle-Swift.h>
@interface ViewController ()
@property (nonatomic, strong) UIButton *button;
@property (nonatomic, strong) UILabel *label;
@end
@implementation ViewController
- (void)viewDidLoad {
   [super viewDidLoad];
   [self setup];
}
// Config a button on the UI. Pop the BarcodeScannerViewController when the button is clicked.
- (void)buttonTapped {
   DSBarcodeScannerViewController *vc = [[DSBarcodeScannerViewController alloc] init];
   DSBarcodeScannerConfig *config = [[DSBarcodeScannerConfig alloc] init];
   config.license = @"DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9";
   vc.config = config;
   __weak typeof(self) weakSelf = self;
   vc.onScannedResult = ^(DSBarcodeScanResult *result) {
      // The result have 3 status: finished (Successfully decoded), canceled (Quit by clicking close button), exception (error occurs when processing).
      switch (result.resultStatus) {
         case DSResultStatusFinished: {
                // Add your code to do when the result status is finished.
         }
         case DSResultStatusCanceled: {
                // Add your code to do when the result status is canceled.
         }
         case DSResultStatusException: {
                // Add your code to do when the result status is exception.
         }
         default:
                break;
      }
      dispatch_async(dispatch_get_main_queue(), ^{
         [weakSelf.navigationController popViewControllerAnimated:YES];
      });
   };
   dispatch_async(dispatch_get_main_queue(), ^{
      weakSelf.navigationController.navigationBar.hidden = YES;
      [weakSelf.navigationController pushViewController:vc animated:YES];
   });
}
@end

import UIKit
import DynamsoftLicense
import DynamsoftBarcodeReaderBundle
class ViewController: UIViewController {
   let button = UIButton()
   let label = UILabel()
   override func viewDidLoad() {
      super.viewDidLoad()
      setup()
   }
   // Config a button on the UI. Pop the BarcodeScannerViewController when the button is clicked.
   @objc func buttonTapped() {
      let vc = BarcodeScannerViewController()
      // Set up the license via the BarcodeScannerConfig
      let config = BarcodeScannerConfig()
      config.license = "DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9"
      vc.config = config
      // Set up the result callback of BarcodeScannerViewController.
      vc.onScannedResult = { [weak self] result in
         guard let self = self else { return }
         // The result have 3 status: finished (Successfully decoded), canceled (Quit by clicking close button), exception (error occurs when processing).
         switch result.resultStatus {
         case .finished:
                // Add your code to do when the result status is finished.
         case .canceled:
                // Add your code to do when the result status is canceled.
         case .exception:
                // Add your code to do when the result status is exception.
         @unknown default:
                break
         }
         DispatchQueue.main.async {
                self.navigationController?.popViewController(animated: true)
         }
      }
      DispatchQueue.main.async {
         self.navigationController?.navigationBar.isHidden = true
         self.navigationController?.pushViewController(vc, animated: true)
      }
   }
}