iOS Zbar扫描二维码

 添加依赖库:AVFoundation.framework、libiconv.2.dylib、CoreMedia.framework、CoreVideo.framework,其中libzbar.a是SDK中的,(如果需要通过SVN上传自己代码时,要记得还有这个.a文件)

在你要进行添加扫描的界面的.h里可直接复制到工程里

添加头文件

import "ZBarSDK.h"

//设置代理

@protocol ErweimaDelegate

//扫描出结果则调用这个方法

-(void)finishRead:(NSString *)barCode;

@end

@interface ErweimaViewController : superVC < ZBarReaderViewDelegate > //此处superVC是自定义的父类

@property (strong, nonatomic)id < ErweimaDelegate >delegate;

@end

4.在.m文件中:

@interface ErweimaViewController ()

{

ZBarReaderViewrederView;//二维码扫描View,可自定义样式

UIImageViewlineView;//自定义的扫描线

NSTimer *time;//定时器,控制扫描线跑动

}

//在进入界面时就开始扫描

-(void)viewWillAppear:(BOOL)animated{

[super viewWillAppear:animated];[rederView start];

}

//退出界面时就停止扫描

(void)viewWillDisappear:(BOOL)animated

{

[super viewWillDisappear:animated];

[rederView stop];

}

-(void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view.

self.title = @"扫描";

[self initView];

}

(void)initView

{

rederView = [[ZBarReaderView alloc] init];

rederView.frame = CGRectMake(0, 0,self.view.frame.size.width,self.view.frame.size.height);

rederView.readerDelegate = self;

rederView.allowsPinchZoom = NO; // 不使用Pinch手势变焦

rederView.torchMode = 0;//闪光灯 关

rederView.trackingColor = [UIColor clearColor];//锁定图码 显示的颜色框

if (TARGET_IPHONE_SIMULATOR) {

ZBarCameraSimulatorcamera = [[ZBarCameraSimulator alloc] initWithViewController:self];

camera.readerView = rederView;

}

[self.view addSubview:rederView];

/************可忽略此域中的以下代码,可以自己自定义***************/

//扫描区域计算

CGRect scanMaskRect = CGRectMake(Width_Screen/2-75, 150, 150, 150);

CGRect scanCrop=[self getScanCrop:scanMaskRect readerViewBounds:rederView.bounds];

rederView.scanCrop = scanCrop;

[rederView.captureReader captureFrame];

[rederView start];

UIImageView *image = [[UIImageView alloc] initWithFrame:CGRectMake(-20, -64, Width_Screen+40, Height_Screen)];

image.image = [UIImage imageNamed:@"111111111"];

image.backgroundColor = [UIColor clearColor];

image.alpha = 0.3;

[self.view addSubview:image];

//这里添加了类似微信的扫描线,并开始上线滑动动画

lineView=[[UIImageView alloc] initWithFrame:CGRectMake(51, 200, 219, 3)];

// lineView.image=[UIImage imageNamed:@"scan_line"];

lineView.backgroundColor = UIColor_Theme;

[self.view addSubview:lineView];

[self loadAnimationStart];

}

-(CGRect)getScanCrop:(CGRect)rect readerViewBounds:(CGRect)rvBounds{

CGFloat x,y,width,height;

x = rect.origin.y / rvBounds.size.height;

y = 1 - (rect.origin.x + rect.size.width) / rvBounds.size.width;

width = (rect.origin.y + rect.size.height) / rvBounds.size.height;

height = 1 - rect.origin.x / rvBounds.size.width;

return CGRectMake(x, y, width, height);

}

-(void)loadAnimationStart{

if(Width_Screen !=320){        [UIViewanimateWithDuration:2.0animations:^{        lineView.frame=CGRectMake(lineView.frame.origin.x,390,lineView.frame.size.width,lineView.frame.size.height);    }completion:^(BOOL finished) {              time = [NSTimerscheduledTimerWithTimeInterval:0.2target:selfselector:@selector(secStart)userInfo:nilrepeats:NO];    }];}else{        [UIViewanimateWithDuration:2.0animations:^{        lineView.frame=CGRectMake(lineView.frame.origin.x,345,lineView.frame.size.width,lineView.frame.size.height);    }completion:^(BOOL finished) {                time = [NSTimerscheduledTimerWithTimeInterval:0.2target:selfselector:@selector(secStart)userInfo:nilrepeats:NO];    }];    }

}

-(void)secStart{

if(Width_Screen !=320){    lineView.frame=CGRectMake(lineView.frame.origin.x,175,lineView.frame.size.width,lineView.frame.size.height);if(time !=nil) {        [selfloadAnimationStart];    }    }else{    lineView.frame=CGRectMake(lineView.frame.origin.x,130,lineView.frame.size.width,lineView.frame.size.height);if(time !=nil) {        [selfloadAnimationStart];NSLog(@"123");    }NSLog(@"qwe");}

}

-(void)readerView:(ZBarReaderView)readerView didReadSymbols:(ZBarSymbolSet)symbols fromImage:(UIImage)image

{

NSStringstr;//扫描出的字段,记录下来

for(ZBarSymbol *symbolinsymbols) {NSLog(@"%@", symbol.data);    str=symbol.data;    [rederView stop];    [self.navigationController popViewControllerAnimated:YES];    [selfshowHudMessageAndHidden:str];//展示出扫描结果,根据需求可自定义展示样式lineView.hidden =YES;    [time setFireDate:[NSDatedistantFuture]];    [time invalidate];    time =nil;break;}//这个代理是 返回到上个界面把str传过去的,根据需求可改变if([_delegate respondsToSelector:@selector(finishRead:)]){        [_delegate finishRead:str];}

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