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| // | ||
| // DJScanViewController.h | ||
| // YHB_Prj | ||
| // | ||
| // Created by yato_kami on 15/9/3. | ||
| // Copyright (c) 2015年 striveliu. All rights reserved. | ||
| // | ||
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| #import "BaseViewController.h" | ||
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| @protocol DJScanDelegate<NSObject> | ||
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| /** | ||
| * 扫描出信息的徽标 | ||
| * | ||
| * @param message 扫描出的信息 | ||
| * | ||
| */ | ||
| - (void)scanController:(UIViewController *)vc didScanedAndTransToMessage: (NSString *)message; | ||
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| /** | ||
| * 用户点击了手工输入码 | ||
| */ | ||
| - (void)needToInputNumberFromScanController:(UIViewController *)vc; | ||
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| @end | ||
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| @interface DJScanViewController : BaseViewController | ||
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| @property (nonatomic, weak) id<DJScanDelegate> delegate; | ||
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| - (BOOL)startReading; | ||
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| @end |
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| @@ -0,0 +1,149 @@ | ||
| // | ||
| // DJScanViewController.m | ||
| // YHB_Prj | ||
| // | ||
| // Created by yato_kami on 15/9/3. | ||
| // Copyright (c) 2015年 striveliu. All rights reserved. | ||
| // | ||
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| #import "DJScanViewController.h" | ||
| #import <AVFoundation/AVFoundation.h> | ||
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| #define kButtonWidth 180 | ||
| #define kButtonHeight 40 | ||
| #define kScanWidth 250 | ||
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| @interface DJScanViewController()<AVCaptureMetadataOutputObjectsDelegate> | ||
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| @property (nonatomic, assign) BOOL isReading; | ||
| @property (nonatomic, strong) AVCaptureSession * captureSession; | ||
| @property (nonatomic, strong) AVCaptureVideoPreviewLayer *videoPreviewLayer; | ||
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| @end; | ||
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| @implementation DJScanViewController | ||
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| - (void)viewDidLoad { | ||
| [super viewDidLoad]; | ||
| if (![self startReading]) { | ||
| [self.navigationController popViewControllerAnimated:YES]; | ||
| } | ||
| [self initailUI]; | ||
| } | ||
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| - (void)initailUI { | ||
| [self addShape]; | ||
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| self.title = @"商品扫码"; | ||
| UILabel *Label = [[UILabel alloc] initWithFrame:CGRectMake(0, 40, kMainScreenWidth, 20)]; | ||
| Label.backgroundColor = [UIColor clearColor]; | ||
| [Label setTextAlignment:NSTextAlignmentCenter]; | ||
| Label.font = kFont16; | ||
| Label.text= @"请将您的摄像头对准条码"; | ||
| Label.textColor = [UIColor whiteColor]; | ||
| [self.view addSubview:Label]; | ||
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| UIButton *inputNumButton = [[UIButton alloc] initWithFrame:CGRectMake((kMainScreenWidth-kButtonWidth)/2., kMainScreenHeight-20-44-kButtonHeight-30, kButtonWidth, kButtonHeight)]; | ||
| [inputNumButton setBackgroundColor:KColor]; | ||
| [inputNumButton setTitle:@"手工输入条码" forState:UIControlStateNormal]; | ||
| [inputNumButton addTarget:self action:@selector(inputNum:) forControlEvents:UIControlEventTouchUpInside]; | ||
| inputNumButton.layer.cornerRadius = 4.; | ||
| [self.view addSubview:inputNumButton]; | ||
| } | ||
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| - (void)inputNum: (UIButton *)sender { | ||
| if ([self.delegate respondsToSelector:@selector(scanController:didScanedAndTransToMessage:)]) { | ||
| [self.navigationController popViewControllerAnimated:YES]; | ||
| [self.delegate needToInputNumberFromScanController:self]; | ||
| } | ||
| } | ||
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| - (BOOL)startReading { | ||
| if (_isReading) { | ||
| return YES; | ||
| } | ||
| _isReading = YES; | ||
| NSError *error; | ||
| AVCaptureDevice *captureDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo]; | ||
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| AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice:captureDevice error:&error]; | ||
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| if (!input) { | ||
| NSLog(@"%@", [error localizedDescription]); | ||
| return NO; | ||
| } | ||
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| _captureSession = [[AVCaptureSession alloc] init]; | ||
| // Set the input device on the capture session. | ||
| [_captureSession addInput:input]; | ||
| [_captureSession setSessionPreset:AVCaptureSessionPresetHigh]; | ||
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| AVCaptureMetadataOutput *captureMetadataOutput = [[AVCaptureMetadataOutput alloc] init]; | ||
| [_captureSession addOutput:captureMetadataOutput]; | ||
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| // [captureMetadataOutput setRectOfInterest:CGRectMake(0.5, 0.5, 0.5, 0.5)]; | ||
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| [captureMetadataOutput setMetadataObjectsDelegate:self queue:dispatch_get_main_queue()]; | ||
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| [captureMetadataOutput setMetadataObjectTypes:@[AVMetadataObjectTypeQRCode,AVMetadataObjectTypeEAN13Code, AVMetadataObjectTypeEAN8Code, AVMetadataObjectTypeCode128Code]]; | ||
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| _videoPreviewLayer = [[AVCaptureVideoPreviewLayer alloc] initWithSession:_captureSession]; | ||
| [_videoPreviewLayer setVideoGravity:AVLayerVideoGravityResizeAspectFill]; | ||
| [_videoPreviewLayer setFrame:self.view.layer.bounds]; | ||
| [self.view.layer insertSublayer:_videoPreviewLayer atIndex:0];//:_videoPreviewLayer]; | ||
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| [_captureSession startRunning]; | ||
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| return YES; | ||
| } | ||
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| - (void)addShape { | ||
| CGFloat x = (kMainScreenWidth - kScanWidth) / 2.; | ||
| CGFloat y = 40 + 40; | ||
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| CGMutablePathRef path = CGPathCreateMutable(); | ||
| CGPathAddRect(path, nil, self.view.bounds); | ||
| CGPathAddRect(path, nil, CGRectMake(x, y, kScanWidth, kScanWidth)); | ||
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| CAShapeLayer *shapeLayer = [CAShapeLayer layer]; | ||
| shapeLayer.strokeColor = [UIColor whiteColor].CGColor; | ||
| shapeLayer.fillColor = RGBACOLOR(0, 0, 0, 0.7).CGColor; | ||
| [shapeLayer setFillRule:@"even-odd"]; | ||
| // shapeLayer.lineWidth = 1; | ||
| shapeLayer.lineJoin = kCALineJoinRound; | ||
| shapeLayer.lineCap = kCALineCapRound; | ||
| shapeLayer.path = path; | ||
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| [self.view.layer addSublayer:shapeLayer]; | ||
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| CGPathRelease(path); | ||
| } | ||
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| -(void)stopReading{ | ||
| [_captureSession stopRunning]; | ||
| _captureSession = nil; | ||
| [_videoPreviewLayer removeFromSuperlayer]; | ||
| _isReading = NO; | ||
| } | ||
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| -(void)captureOutput:(AVCaptureOutput *)captureOutput didOutputMetadataObjects:(NSArray *)metadataObjects | ||
| fromConnection:(AVCaptureConnection *)connection | ||
| { | ||
| if (!_isReading) return; | ||
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| if (metadataObjects != nil && [metadataObjects count] > 0) { | ||
| AVMetadataMachineReadableCodeObject *metadataObj = [metadataObjects objectAtIndex:0]; | ||
| NSLog(@"扫描到的信息%@",metadataObj.stringValue); | ||
| if ([self.delegate respondsToSelector:@selector(scanController:didScanedAndTransToMessage:)]) { | ||
| [self stopReading]; | ||
| [self.delegate scanController:self didScanedAndTransToMessage:metadataObj.stringValue]; | ||
| [self.navigationController popViewControllerAnimated:YES]; | ||
| } | ||
| } | ||
| } | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
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| // | ||
| // main.m | ||
| // YHB_Prj | ||
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