#import "MQMainViewController.h"#import "ZBarSDK.h"@interface MQMainViewController ()@end@implementation MQMainViewController- (void)viewDidLoad{    [super viewDidLoad];            [self addCaptureButton];    }#pragma mark - add btn- (void)addCaptureButton{    CGRect frame = CGRectMake(0, 0, 100, 100);    UIButton * btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];    btn.frame = frame;    [btn setTitle:@"拍照" forState:UIControlStateNormal];    btn.backgroundColor = [UIColor clearColor];    btn.tag = 1111;    [btn addTarget:self action:@selector(onClickCaptureButton:) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:btn];}-(IBAction)onClickCaptureButton:(id)sender{    [self takePicture];}- (void)takePicture{    ZBarReaderViewController * reader = [ZBarReaderViewController new];    reader.readerDelegate = self;    reader.supportedOrientationsMask = ZBarOrientationMaskAll;            reader.wantsFullScreenLayout = NO;  //非全屏    reader.showsZBarControls = NO;  //隐藏底部控制按钮            [self setOverlayPickerView:reader]; //设置自己定义的界面            ZBarImageScanner * scanner = reader.scanner;    [scanner setSymbology:ZBAR_I25 config:ZBAR_CFG_ENABLE to:0];        //reader.showsZBarControls = YES;        [self presentViewController:reader animated:YES completion:nil];}- (void)setOverlayPickerView:(ZBarReaderViewController *)reader{            //清除原有控件    for (UIView * temp in [reader.view subviews])    {        for (UIButton *button in [temp subviews])        {            if ([button isKindOfClass:[UIButton class]])            {                [button removeFromSuperview];            }                    }                for (UIToolbar * toolbar in [temp subviews])        {            if ([toolbar isKindOfClass:[UIToolbar class]])            {                                [toolbar setHidden:YES];                [toolbar removeFromSuperview];            }        }    }                //画中间的基准线    UIView * line = [[UIView alloc] initWithFrame:CGRectMake(40, 220, 240, 1)];    line.backgroundColor = [UIColor redColor];    [reader.view addSubview:line];    //[line release];            //最上部view    UIView* upView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 80)];    upView.alpha = 0.3;    upView.backgroundColor = [UIColor blackColor];    [reader.view addSubview:upView];            //用于说明的label    UILabel * labIntroudction= [[UILabel alloc] init];    labIntroudction.backgroundColor = [UIColor clearColor];    labIntroudction.frame=CGRectMake(15, 20, 290, 50);    labIntroudction.numberOfLines=2;    labIntroudction.textColor=[UIColor whiteColor];    labIntroudction.text=@"将二维码图像置于矩形方框内，离手机摄像头10CM左右，系统会自动识别。";    [upView addSubview:labIntroudction];    //[labIntroudction release];    //[upView release];            //左侧的view    UIView * leftView = [[UIView alloc] initWithFrame:CGRectMake(0, 80, 20, 280)];    leftView.alpha = 0.3;    leftView.backgroundColor = [UIColor blackColor];    [reader.view addSubview:leftView];    //[leftView release];            //右侧的view    UIView *rightView = [[UIView alloc] initWithFrame:CGRectMake(300, 80, 20, 280)];    rightView.alpha = 0.3;    rightView.backgroundColor = [UIColor blackColor];    [reader.view addSubview:rightView];    //[rightView release];                //底部view    UIView * downView = [[UIView alloc] initWithFrame:CGRectMake(0, 360, 320, 220)];    downView.alpha = 0.3;    downView.backgroundColor = [UIColor blackColor];    [reader.view addSubview:downView];    //[downView release];            //用于取消操作的button    UIButton *cancelButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];    cancelButton.alpha = 0.4;    [cancelButton setFrame:CGRectMake(20, 390, 280, 40)];    [cancelButton setTitle:@"取消" forState:UIControlStateNormal];    [cancelButton.titleLabel setFont:[UIFont boldSystemFontOfSize:20]];    [cancelButton addTarget:self action:@selector(dismissOverlayView:)forControlEvents:UIControlEventTouchUpInside];    [reader.view addSubview:cancelButton];    }- (void) imagePickerController:(UIImagePickerController*) reader didFinishPickingMediaWithInfo:(NSDictionary*) info{    id<NSFastEnumeration> results = [info objectForKey:ZBarReaderControllerResults];    ZBarSymbol * symbol;    for (symbol in results) {        break;    }        UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"解码内容" message:symbol.data delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil];    [alertView show];            }//取消button方法- (void)dismissOverlayView:(id)sender{    [self dismissModalViewControllerAnimated: YES];}@end