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a. AVFoundation
b. AudioToolbox
c. CoreVideo
d. CoreMedia
e. libiconv
f. AddressBook
g. AddressBookUI
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1 #import <ZXingWidgetController.h>
2 #import <QRCodeReader.h>
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1 - (IBAction)scanPressed:(id)sender {
2 ZXingWidgetController *widController = [[ZXingWidgetController alloc] initWithDelegate:self showCancel:YES OneDMode:NO];
3 NSMutableSet *readers = [[NSMutableSet alloc ] init];
4 QRCodeReader* qrcodeReader = [[QRCodeReader alloc] init];
5 [readers addObject:qrcodeReader];
6 [qrcodeReader release];
7 widController.readers = readers;
8 [readers release];
9 [self presentModalViewController:widController animated:YES];
[widController release];
}
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1 @protocol ZXingDelegate
2 - (void)zxingController:(ZXingWidgetController*)controller didScanResult:(NSString *)result;
3 - (void)zxingControllerDidCancel:(ZXingWidgetController*)controller;
4 @end
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1 #import "Decoder.h"
2 #import "TwoDDecoderResult.h"
3 #import "QRCodeReader.h"
4
5 - (void)viewDidLoad {
6 // setup QR reader
7 self.qrReader = [[NSMutableSet alloc ] init];
8 QRCodeReader* qrcodeReader = [[QRCodeReader alloc] init];
9 [self.qrReader addObject:qrcodeReader];
self.scanningQR = NO;
self.step = STEP_QR;
}
// AVFoundationçåè°å½æ°
- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection {
// 第ä¸æ¥ï¼å°sampleBuffer转æUIImage
UIImage *image= [self getCaptureImage:sampleBuffer];
// 第äºæ¥ï¼ç¨Decoderè¯å«å¾è±¡
Decoder *d = [[Decoder alloc] init];
d.readers = self.qrReader;
d.delegate = self;
self.scanningQR = [d decodeImage:image] == YES ?肇源麻将源码 NO : YES;
}
ZXingçDecoderç±»æä¾äºä»¥ä¸åè°å½æ°è·å¾è¯å«ç»æï¼
1 @protocol DecoderDelegate<NSObject>
2 @optional
3 - (void)decoder:(Decoder *)decoder willDecodeImage:(UIImage *)image usingSubset:(UIImage *)subset;
4 - (void)decoder:(Decoder *)decoder didDecodeImage:(UIImage *)image usingSubset:(UIImage *)subset withResult:(TwoDDecoderResult *)result {
5 NSLog(@"result = %@", [result text]);
6 }
7 - (void)decoder:(Decoder *)decoder failedToDecodeImage:(UIImage *)image usingSubset:(UIImage *)subset reason:(NSString *)reason;
8 - (void)decoder:(Decoder *)decoder foundPossibleResultPoint:(CGPoint)point;
9
@end
Trouble Shoot & Tips
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