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我在我试图做一些条形码读取processes.when我在主页上按下一个按钮,我提出的条形码读取viewcontrollers一个iPad应用程序中查看像this`如何在当前视图控制器视图上添加UIview?
ZBarReaderViewController *reader = [ZBarReaderViewController new];
reader.readerDelegate = self;
reader.supportedOrientationsMask = ZBarOrientationMaskAll;
reader.sourceType=UIImagePickerControllerSourceTypeCamera;
//reader.cameraDevice = UIImagePickerControllerCameraDeviceFront;
reader.cameraOverlayView=cameraOverlay;
if([UIImagePickerController isCameraDeviceAvailable: UIImagePickerControllerCameraDeviceFront ])
{
reader.cameraDevice = UIImagePickerControllerCameraDeviceFront;
}
ZBarImageScanner *scanner = reader.scanner;
reader.wantsFullScreenLayout = YES;
// TODO: (optional) additional reader configuration here
// EXAMPLE: disable rarely used I2/5 to improve performance
[scanner setSymbology: ZBAR_I25
config: ZBAR_CFG_ENABLE
to: 0];
reader.showsZBarControls = NO;
// present and release the controller
[self presentModalViewController:reader animated:YES];
//[appdel.navigationController pushViewController:reader animated:YES];
//[reader.view addSubview:collect];
[reader.view addSubview:back];
[back addTarget:self action:@selector(backpressed:) forControlEvents:UIControlEventTouchUpInside];
[reader.view addSubview:scan];
[scan addTarget:self action:@selector(getpressed:) forControlEvents:UIControlEventTouchUpInside];
[reader release];
当我我按下扫描按钮添加到阅读器视图我需要添加另一个视图。因为我在做-(IBAction)getpressed:(id)sender{[self.view addSubview:newview] }
。但它不被添加到视图。任何人都可以帮助我实现这一点? `
试着用'[self.view addSubView:newView.view]'? – Phillip
您是否检查了getpressed方法被调用?谁是新视点? – giorashc
是[self.view addSubView:newView.view]它没有试过 – hacker