二维码的扫描
扫描二维码SDK:ZBarSDK..
生成二维码SDK：QREncoder
参考：http://blog.csdn.net/miracle_of_thinking/article/details/7576532
系统定制的方式。
- (void)btnPressed:(UIButton *)btn
{
if ([ZBarReaderViewControllerisSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
ZBarReaderViewController *imagePicker = [[ZBarReaderViewControlleralloc]init];
imagePicker.readerDelegate =self;
imagePicker.sourceType =UIImagePickerControllerSourceTypeCamera;
[selfpresentViewController:imagePickeranimated:YEScompletion:^{
//
}];
}
}
#pragma mark - delegate
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
id<NSFastEnumeration> results = [infoobjectForKey:ZBarReaderControllerResults];
ZBarSymbol *symbol =nil;
NSString *data =nil;
for (symbolin results) {
if ([symbol.typeNameisEqualToString:@"QR-Code"]) {
data = symbol.data;
break;
}
}
[[UIApplicationsharedApplication]openURL:[NSURLURLWithString:data]];
}
- (void)viewDidLoad
{
[superviewDidLoad];
ZBarImageScanner *imageScanner = [[ZBarImageScanneralloc] init];
[imageScanner setSymbology:ZBAR_QRCODEconfig:ZBAR_CFG_X_DENSITYto:0];
ZBarReaderView *readerView = [[ZBarReaderViewalloc] initWithImageScanner:imageScanner];
readerView.frame =CGRectMake(30, 30, 260, 260);
readerView.readerDelegate =self;
readerView.tracksSymbols =YES;
readerView.trackingColor = [UIColorwhiteColor];
[self.viewaddSubview:readerView];
[readerViewstart];
}
- (void) readerView: (ZBarReaderView*) readerView
didReadSymbols: (ZBarSymbolSet*) symbols
fromImage: (UIImage*) image
{
ZBarSymbol *symbol = nil;
NSString *data = nil;
for (symbol in symbols) {
if ([symbol.typeNameisEqualToString:@"QR-Code"]) {
data = symbol.data;
break;
}
}
[[UIApplicationsharedApplication] openURL:[NSURLURLWithString:data]];
}