【代码笔记】iOS-二维码

一，工程图。

二，代码。

ViewController.m

#import "ViewController.h"
#import "ScanViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    ScanViewController *scanView=[[ScanViewController alloc]init];
    [self.navigationController pushViewController:scanView animated:NO];

}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end