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    <p>I have managed to integrate ZXING into my test project. I have done this a little time ago so I might not remember all the problems that I faced and solved. Into my workspace folder I have copied ZXing-2.0 folder. Inside I have only left folders: cpp, docs and iphone. To my workspace (containing the test project) I have added ZXingWidget project from the folder ZXing-2.0. This allowed me to add to linking setting libZXingWidget.a. When I build my test project, XCode detects dependency and builds the widget first and then builds the test project and links it against libZXingWidget.a.</p> <p>Here's a simple view controller that I have implemented to display inside camera view able to detect QR code.</p> <pre><code>// // MyVC.m // // #import "MyVC.h" #import "QRCodeReader.h" @interface MyVC () { ZXingWidgetController *_widController; } @end @implementation MyVC @synthesize labelResultString; - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view from its nib. _widController = [[ZXingWidgetController alloc] initWithDelegate:(id&lt;ZXingDelegate&gt;)self showCancel:YES OneDMode:NO]; QRCodeReader* qrcodeReader = [[QRCodeReader alloc] init]; NSSet *readers = [[NSSet alloc ] initWithObjects:qrcodeReader,nil]; //[qrcodeReader release]; _widController.readers = readers; //[readers release]; //NSBundle *mainBundle = [NSBundle mainBundle]; //_widController.soundToPlay = [NSURL fileURLWithPath:[mainBundle pathForResource:@"beep-beep" ofType:@"aiff"] isDirectory:NO]; _widController.overlayView.displayedMessage = @""; _widController.wantsFullScreenLayout = NO; //[self presentModalViewController:_widController animated:NO]; _widController.view.frame = CGRectMake(10, 10, 300, 300);//self.view.frame; _widController.view.autoresizingMask = UIViewAutoresizingNone; _widController.overlayView.frame = CGRectMake(0, 0, 300, 300); _widController.overlayView.cropRect = CGRectMake(20, 20, 260, 260); [self.view addSubview:_widController.view]; //[_widController release]; } - (void)viewDidUnload { [super viewDidUnload]; self.labelResultString = nil; } - (void)dealloc { self.labelResultString = nil; } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; [_widController viewWillAppear:animated]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; [_widController viewDidAppear:animated]; [[UIApplication sharedApplication] setStatusBarHidden:NO]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; [_widController viewWillDisappear:animated]; } - (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; [_widController viewDidDisappear:animated]; } #pragma mark - ZXingDelegateMethods - (void)zxingController:(ZXingWidgetController*)controller didScanResult:(NSString *)result { self.labelResultString.text = result; } - (void)zxingControllerDidCancel:(ZXingWidgetController *)controller { [self dismissModalViewControllerAnimated:YES]; } @end </code></pre>
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    1. USMateusz
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