CDZQRScanningViewController/CDZQRScanningViewController.h at master · SimpleUpdates/CDZQRScanningViewController · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
//
//  CDZQRScanningViewController.h
//
//  Created by Chris Dzombak on 10/27/13.
//  Copyright (c) 2013 Chris Dzombak. All rights reserved.
//

#import <UIKit/UIKit.h>


NS_ASSUME_NONNULL_BEGIN

@protocol CDZQRResult <NSObject>

@property (nonatomic, readonly) NSString *capturedString;
- (void)resumeScanning;
- (void)reset;

@end


typedef void (^CDZQRCompletionHandler)(__nullable id<CDZQRResult> result, NSError *__nullable error);

extern NSString * const CDZQRScanningErrorDomain;

typedef NS_ENUM(NSInteger, CDZQRScanningViewControllerErrorCode) {
    CDZQRScanningViewControllerErrorUnavailableMetadataObjectType = 1,
};

typedef NS_ENUM(NSInteger, CDZQRCameraDevice) {
    CDZQRCameraDeviceBackFacing,
    CDZQRCameraDeviceFrontFacing
};


@interface CDZQRScanningViewController : UIViewController

- (instancetype)init NS_UNAVAILABLE;

- (instancetype)initWithCompletion:(CDZQRCompletionHandler)completionHandler;

- (instancetype)initWithDevice:(CDZQRCameraDevice)cameraDevice
                    completion:(CDZQRCompletionHandler)completionHandler;

- (instancetype)initWithMetadataObjectTypes:(NSArray *)metadataObjectTypes
                                     device:(CDZQRCameraDevice)cameraDevice
                                 completion:(CDZQRCompletionHandler)completionHandler NS_DESIGNATED_INITIALIZER;

@property (nonatomic, copy, readonly) CDZQRCompletionHandler completionHandler; // called on the main queue

/**
 *  An array of `AVMetadataMachineReadableCodeObject`s
 */
@property (nonatomic, readonly) NSArray *metadataObjectTypes;
@property (nonatomic, nullable, readonly) NSString *capturedString;

@end

NS_ASSUME_NONNULL_END