enum { CLASS_SECTION = 0, SOURCE_SECTION, CAMODE_SECTION, DEVICE_SECTION, FLASH_SECTION, QUALITY_SECTION, CONFIG_SECTION, CUSTOM_SECTION, SYMBOL_SECTION, RESULT_SECTION, NUM_SECTIONS }; static NSString* const section_titles[] = { @"Classes", @"SourceType", @"CameraMode", @"CaptureDevice", @"CameraFlashMode", @"VideoQuality", @"Reader Configuration", nil, @"Enabled Symbologies", @"Decode Results", }; static const CGRect const crop_choices[] = { { { 0, 0 }, { 1, 1 } }, { { .125, 0 }, { .75, 1 } }, { { 0, .3 }, { 1, .4 } }, { { 0, 0 }, { 0, 0 } } }; static const NSInteger const density_choices[] = { 3, 2, 1, 0, 4, -1 }; static const CGFloat const zoom_choices[] = { 1, 10/9., 10/8., 8/6., 10/7., 9/6., 10/6., 7/4., 2, 0, -1 }; @interface AppDelegate : UITableViewController < UIApplicationDelegate, UINavigationControllerDelegate, UITableViewDelegate, UITableViewDataSource, UIActionSheetDelegate, ZBarReaderDelegate > { UIWindow *window; UINavigationController *nav; NSSet *defaultSymbologies; CGFloat zoom; NSMutableArray *sections, *symbolEnables; NSInteger xDensity, yDensity; BOOL found, paused, continuous; NSInteger dataHeight; UILabel *typeLabel, *dataLabel; UIImageView *imageView; ZBarReaderViewController *reader; UIView *overlay; UIBarButtonItem *manualBtn; UILabel *typeOvl, *dataOvl; NSArray *masks; } @end @implementation AppDelegate - (id) init { return([super initWithStyle: UITableViewStyleGrouped]); } - (void) initReader: (NSString*) clsName { [reader release]; Class cls = [[NSBundle mainBundle] classNamed: clsName]; assert(cls); reader = [cls new]; assert(reader); reader.readerDelegate = self; xDensity = yDensity = 3; #if 0 // apply defaults for demo ZBarImageScanner *scanner = reader.scanner; continuous = NO; zoom = 1; reader.showsZBarControls = NO; reader.scanCrop = CGRectMake(0, .35, 1, .3); [defaultSymbologies release]; defaultSymbologies = [[NSSet alloc] initWithObjects: [NSNumber numberWithInteger: ZBAR_CODE128], nil]; [scanner setSymbology: 0 config: ZBAR_CFG_ENABLE to: 0]; for(NSNumber *sym in defaultSymbologies) [scanner setSymbology: sym.integerValue config: ZBAR_CFG_ENABLE to: 1]; [scanner setSymbology: 0 config: ZBAR_CFG_X_DENSITY to: (xDensity = 0)]; [scanner setSymbology: 0 config: ZBAR_CFG_Y_DENSITY to: (yDensity = 1)]; #endif } - (void) initOverlay { overlay = [[UIView alloc] initWithFrame: CGRectMake(0, 426, 320, 54)]; overlay.backgroundColor = [UIColor clearColor]; masks = [[NSArray alloc] initWithObjects: [[[UIView alloc] initWithFrame: CGRectMake(0, -426, 320, 0)] autorelease], [[[UIView alloc] initWithFrame: CGRectMake(0, -426, 0, 426)] autorelease], [[[UIView alloc] initWithFrame: CGRectMake(0, 0, 320, 0)] autorelease], [[[UIView alloc] initWithFrame: CGRectMake(320, -426, 0, 426)] autorelease], nil]; for(UIView *mask in masks) { mask.backgroundColor = [UIColor colorWithWhite: 0 alpha: .5]; [overlay addSubview: mask]; } UILabel *label = [[UILabel alloc] initWithFrame: CGRectMake(0, -426, 320, 48)]; label.backgroundColor = [UIColor clearColor]; label.textColor = [UIColor whiteColor]; label.font = [UIFont boldSystemFontOfSize: 24]; label.text = @"Custom Overlay"; [overlay addSubview: label]; [label release]; typeOvl = [[UILabel alloc] initWithFrame: CGRectMake(0, -378, 80, 24)]; typeOvl.backgroundColor = [UIColor clearColor]; typeOvl.textColor = [UIColor whiteColor]; typeOvl.font = [UIFont systemFontOfSize: 16]; typeOvl.textAlignment = UITextAlignmentCenter; [overlay addSubview: typeOvl]; dataOvl = [[UILabel alloc] initWithFrame: CGRectMake(96, -378, 224, 24)]; dataOvl.backgroundColor = [UIColor clearColor]; dataOvl.textColor = [UIColor whiteColor]; dataOvl.font = [UIFont systemFontOfSize: 16]; [overlay addSubview: dataOvl]; UIToolbar *toolbar = [[UIToolbar alloc] initWithFrame: CGRectMake(0, 0, 320, 54)]; toolbar.tintColor = [UIColor colorWithRed: .5 green: 0 blue: 0 alpha: 1]; [manualBtn release]; manualBtn = [[UIBarButtonItem alloc] initWithBarButtonSystemItem: UIBarButtonSystemItemCamera target: self action: @selector(manualCapture)]; UIButton *info = [UIButton buttonWithType: UIButtonTypeInfoLight]; [info addTarget: self action: @selector(info) forControlEvents: UIControlEventTouchUpInside]; toolbar.items = [NSArray arrayWithObjects: [[[UIBarButtonItem alloc] initWithTitle: @"X" style: UIBarButtonItemStylePlain target: self action: @selector(imagePickerControllerDidCancel:)] autorelease], [[[UIBarButtonItem alloc] initWithBarButtonSystemItem: UIBarButtonSystemItemFlexibleSpace target: nil action: nil] autorelease], manualBtn, [[[UIBarButtonItem alloc] initWithBarButtonSystemItem: UIBarButtonSystemItemFlexibleSpace target: nil action: nil] autorelease], [[[UIBarButtonItem alloc] initWithBarButtonSystemItem: UIBarButtonSystemItemPause target: self action: @selector(pause)] autorelease], [[[UIBarButtonItem alloc] initWithBarButtonSystemItem: UIBarButtonSystemItemFlexibleSpace target: nil action: nil] autorelease], [[[UIBarButtonItem alloc] initWithCustomView: info] autorelease], nil]; [overlay addSubview: toolbar]; [toolbar release]; } - (void) updateCropMask { CGRect r = reader.scanCrop; r.origin.x *= 426; r.origin.y *= 320; r.size.width *= 426; r.size.height *= 320; UIView *mask = [masks objectAtIndex: 0]; mask.frame = CGRectMake(0, -426, 320, r.origin.x); mask = [masks objectAtIndex: 1]; mask.frame = CGRectMake(0, r.origin.x - 426, r.origin.y, r.size.width); r.origin.y += r.size.height; mask = [masks objectAtIndex: 2]; mask.frame = CGRectMake(r.origin.y, r.origin.x - 426, 320 - r.origin.y, r.size.width); r.origin.x += r.size.width; mask = [masks objectAtIndex: 3]; mask.frame = CGRectMake(0, r.origin.x - 426, 320, 426 - r.origin.x); } - (void) setCheck: (BOOL) state forCell: (UITableViewCell*) cell { cell.accessoryType = ((state) ? UITableViewCellAccessoryCheckmark : UITableViewCellAccessoryNone); } - (void) setCheckForTag: (int) tag inSection: (int) section { for(UITableViewCell *cell in [sections objectAtIndex: section]) [self setCheck: (cell.tag == tag) forCell: cell]; } - (void) setCheckForName: (NSString*) name inSection: (int) section { for(UITableViewCell *cell in [sections objectAtIndex: section]) [self setCheck: [name isEqualToString: cell.textLabel.text] forCell: cell]; } - (void) applicationDidFinishLaunching: (UIApplication*) application { self.title = @"ZBar Reader Test"; nav = [[UINavigationController alloc] initWithRootViewController: self]; nav.delegate = self; window = [[UIWindow alloc] initWithFrame: [[UIScreen mainScreen] bounds]]; [window addSubview: nav.view]; [window makeKeyAndVisible]; [self initReader: @"ZBarReaderViewController"]; } - (UITableViewCell*) cellWithTitle: (NSString*) title tag: (NSInteger) tag checked: (BOOL) checked { UITableViewCell *cell = [UITableViewCell new]; cell.textLabel.text = title; cell.tag = tag; [self setCheck: checked forCell: cell]; return([cell autorelease]); } - (void) initControlCells { // NB don't need SourceTypeSavedPhotosAlbum static NSString* const sourceNames[] = { @"Library", @"Camera", @"Album", nil }; NSMutableArray *sources = [NSMutableArray array]; for(int i = 0; sourceNames[i]; i++) if([[reader class] isSourceTypeAvailable: i]) [sources addObject: [self cellWithTitle: sourceNames[i] tag: i checked: (reader.sourceType == i)]]; [sections replaceObjectAtIndex: SOURCE_SECTION withObject: sources]; static NSString* const modeNames[] = { @"Default", @"Sampling", @"Sequence", nil }; NSMutableArray *modes = [NSMutableArray array]; for(int i = 0; modeNames[i]; i++) [modes addObject: [self cellWithTitle: modeNames[i] tag: i checked: (reader.cameraMode == i)]]; [sections replaceObjectAtIndex: CAMODE_SECTION withObject: modes]; static NSString *const deviceNames[] = { @"Rear", @"Front", nil }; NSMutableArray *devices = [NSMutableArray array]; for(int i = 0; deviceNames[i]; i++) if([[reader class] isCameraDeviceAvailable: i]) [devices addObject: [self cellWithTitle: deviceNames[i] tag: i checked: (reader.cameraDevice == i)]]; assert(devices.count); [sections replaceObjectAtIndex: DEVICE_SECTION withObject: devices]; static NSString *const flashNames[] = { @"Off", @"Auto", @"On", nil }; NSMutableArray *flashModes = [NSMutableArray array]; for(int i = 0; flashNames[i]; i++) [flashModes addObject: [self cellWithTitle: flashNames[i] tag: i - 1 checked: (reader.cameraFlashMode == i - 1)]]; [sections replaceObjectAtIndex: FLASH_SECTION withObject: flashModes]; static NSString *const qualityNames[] = { @"High", @"Medium", @"Low", @"640x480", nil }; NSMutableArray *qualities = [NSMutableArray array]; for(int i = 0; qualityNames[i]; i++) [qualities addObject: [self cellWithTitle: qualityNames[i] tag: i checked: (reader.videoQuality == i)]]; [sections replaceObjectAtIndex: QUALITY_SECTION withObject: qualities]; static NSString* const configNames[] = { @"showsCameraControls", @"showsZBarControls", @"tracksSymbols", @"enableCache", @"showsHelpOnFail", @"takesPicture", nil }; NSMutableArray *configs = [NSMutableArray array]; for(int i = 0; configNames[i]; i++) @try { BOOL checked = [[reader valueForKey: configNames[i]] boolValue]; [configs addObject: [self cellWithTitle: configNames[i] tag: i checked: checked]]; } @catch(...) { } [sections replaceObjectAtIndex: CONFIG_SECTION withObject: configs]; UITableViewCell *xDensityCell = [[[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: nil] autorelease]; xDensityCell.textLabel.text = @"CFG_X_DENSITY"; xDensityCell.detailTextLabel.tag = ZBAR_CFG_X_DENSITY; xDensityCell.detailTextLabel.text = [NSString stringWithFormat: @"%d", xDensity]; UITableViewCell *yDensityCell = [[[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: nil] autorelease]; yDensityCell.textLabel.text = @"CFG_Y_DENSITY"; yDensityCell.detailTextLabel.tag = ZBAR_CFG_Y_DENSITY; yDensityCell.detailTextLabel.text = [NSString stringWithFormat: @"%d", yDensity]; UITableViewCell *cropCell = [[[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: nil] autorelease]; cropCell.textLabel.text = @"scanCrop"; cropCell.detailTextLabel.text = NSStringFromCGRect(reader.scanCrop); UITableViewCell *zoomCell = [[[UITableViewCell alloc] initWithStyle: UITableViewCellStyleValue1 reuseIdentifier: nil] autorelease]; zoomCell.textLabel.text = @"zoom"; zoomCell.detailTextLabel.text = [NSString stringWithFormat: @"%g", zoom]; [sections replaceObjectAtIndex: CUSTOM_SECTION withObject: [NSArray arrayWithObjects: xDensityCell, yDensityCell, cropCell, zoomCell, [self cellWithTitle: @"continuous" tag: 1 checked: continuous], nil]]; static const zbar_symbol_type_t allSymbologies[] = { ZBAR_QRCODE, ZBAR_CODE128, ZBAR_CODE93, ZBAR_CODE39, ZBAR_CODABAR, ZBAR_I25, ZBAR_DATABAR, ZBAR_DATABAR_EXP, ZBAR_EAN13, ZBAR_EAN8, ZBAR_EAN2, ZBAR_EAN5, ZBAR_COMPOSITE, ZBAR_UPCA, ZBAR_UPCE, ZBAR_ISBN13, ZBAR_ISBN10, 0 }; NSMutableArray *symbols = [NSMutableArray array]; [symbolEnables release]; symbolEnables = [NSMutableArray new]; BOOL en = YES; for(int i = 0; allSymbologies[i]; i++) { zbar_symbol_type_t sym = allSymbologies[i]; if(defaultSymbologies) en = !![defaultSymbologies member: [NSNumber numberWithInteger: sym]]; else /* symbologies after ZBAR_EAN5 are disabled by default */ en = en && (sym != ZBAR_EAN2); [symbols addObject: [self cellWithTitle: [ZBarSymbol nameForType: sym] tag: sym checked: en]]; [symbolEnables addObject: [NSNumber numberWithBool: en]]; } [sections replaceObjectAtIndex: SYMBOL_SECTION withObject: symbols]; [self.tableView reloadData]; } - (void) viewDidLoad { [super viewDidLoad]; UITableView *view = self.tableView; view.delegate = self; view.dataSource = self; [self initOverlay]; [self updateCropMask]; sections = [[NSMutableArray alloc] initWithCapacity: NUM_SECTIONS]; for(int i = 0; i < NUM_SECTIONS; i++) [sections addObject: [NSNull null]]; NSArray *classes = [NSArray arrayWithObjects: [self cellWithTitle: @"ZBarReaderViewController" tag: 0 checked: YES], [self cellWithTitle: @"ZBarReaderController" tag: 1 checked: NO], nil]; [sections replaceObjectAtIndex: CLASS_SECTION withObject: classes]; UITableViewCell *typeCell = [UITableViewCell new]; typeLabel = [typeCell.textLabel retain]; UITableViewCell *dataCell = [UITableViewCell new]; dataLabel = [dataCell.textLabel retain]; dataLabel.numberOfLines = 0; dataLabel.lineBreakMode = UILineBreakModeCharacterWrap; UITableViewCell *imageCell = [UITableViewCell new]; imageView = [UIImageView new]; imageView.contentMode = UIViewContentModeScaleAspectFit; imageView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight); UIView *content = imageCell.contentView; imageView.frame = content.bounds; [content addSubview: imageView]; [imageView release]; NSArray *results = [NSArray arrayWithObjects: typeCell, dataCell, imageCell, nil]; [sections replaceObjectAtIndex: RESULT_SECTION withObject: results]; [self initControlCells]; } - (void) viewDidUnload { [sections release]; sections = nil; [symbolEnables release]; symbolEnables = nil; [manualBtn release]; manualBtn = nil; [typeLabel release]; typeLabel = nil; [dataLabel release]; dataLabel = nil; [imageView release]; imageView = nil; [typeOvl release]; typeOvl = nil; [dataOvl release]; dataOvl = nil; [overlay release]; overlay = nil; [masks release]; masks = nil; [super viewDidUnload]; } - (void) dealloc { [reader release]; reader = nil; [nav release]; nav = nil; [window release]; window = nil; [super dealloc]; } - (BOOL) shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation) orient { return(YES); } - (void) scan { found = paused = NO; imageView.image = nil; typeLabel.text = nil; dataLabel.text = nil; typeOvl.text = nil; dataOvl.text = nil; [self.tableView reloadData]; if(reader.sourceType == UIImagePickerControllerSourceTypeCamera) reader.cameraOverlayView = (reader.showsZBarControls) ? nil : overlay; if([reader respondsToSelector: @selector(readerView)]) { reader.readerView.showsFPS = YES; if(zoom) reader.readerView.zoom = zoom; reader.supportedOrientationsMask = (reader.showsZBarControls) ? ZBarOrientationMaskAll : ZBarOrientationMask(UIInterfaceOrientationPortrait); // tmp disable } manualBtn.enabled = TARGET_IPHONE_SIMULATOR || (reader.cameraMode == ZBarReaderControllerCameraModeDefault) || [reader isKindOfClass: [ZBarReaderViewController class]]; [self presentModalViewController: reader animated: YES]; } - (void) help { ZBarHelpController *help = [[ZBarHelpController alloc] initWithReason: @"TEST"]; [self presentModalViewController: help animated: YES]; [help release]; } - (void) info { [reader showHelpWithReason: @"INFO"]; } - (void) pause { if(![reader respondsToSelector: @selector(readerView)]) return; paused = !paused; if(paused) [reader.readerView stop]; else [reader.readerView start]; } - (void) manualCapture { [(UIImagePickerController*)reader takePicture]; } // UINavigationControllerDelegate - (void) navigationController: (UINavigationController*) _nav willShowViewController: (UIViewController*) vc animated: (BOOL) animated { self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle: @"Help" style: UIBarButtonItemStyleDone target: self action: @selector(help)] autorelease]; self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle: @"Scan!" style: UIBarButtonItemStyleDone target: self action: @selector(scan)] autorelease]; } // UITableViewDataSource - (NSInteger) numberOfSectionsInTableView: (UITableView*) view { return(sections.count - !found); } - (NSInteger) tableView: (UITableView*) view numberOfRowsInSection: (NSInteger) idx { NSArray *section = [sections objectAtIndex: idx]; return(section.count); } - (UITableViewCell*) tableView: (UITableView*) view cellForRowAtIndexPath: (NSIndexPath*) path { return([[sections objectAtIndex: path.section] objectAtIndex: path.row]); } - (NSString*) tableView: (UITableView*) view titleForHeaderInSection: (NSInteger) idx { assert(idx < NUM_SECTIONS); return(section_titles[idx]); } // UITableViewDelegate - (NSIndexPath*) tableView: (UITableView*) view willSelectRowAtIndexPath: (NSIndexPath*) path { if(path.section == RESULT_SECTION && path.row != 2) return(nil); return(path); } - (void) alertUnsupported { UIAlertView *alert = [[UIAlertView alloc] initWithTitle: @"Unsupported" message: @"Setting not available for this reader" @" (or with this OS on this device)" delegate: nil cancelButtonTitle: @"Cancel" otherButtonTitles: nil]; [alert show]; [alert release]; } - (void) advanceCrop: (UILabel*) label { CGRect r = CGRectFromString(label.text); int i; for(i = 0; crop_choices[i].size.width;) if(CGRectEqualToRect(r, crop_choices[i++])) break; if(!crop_choices[i].size.width) i = 0; r = crop_choices[i]; reader.scanCrop = r; label.text = NSStringFromCGRect(r); [self updateCropMask]; } - (void) advanceZoom: (UILabel*) label { int i; for(i = 0; zoom_choices[i] >= 0;) if(zoom == zoom_choices[i++]) break; if(zoom_choices[i] < 0) i = 0; zoom = zoom_choices[i]; assert(zoom >= 0); label.text = [NSString stringWithFormat: @"%g", zoom]; } - (void) advanceDensity: (UILabel*) label value: (NSInteger*) value { NSInteger d = *value; int i; for(i = 0; density_choices[i] >= 0;) if(d == density_choices[i++]) break; if(density_choices[i] < 0) i = 0; *value = d = density_choices[i]; assert(d >= 0); [reader.scanner setSymbology: 0 config: label.tag to: d]; label.text = [NSString stringWithFormat: @"%d", d]; } - (void) tableView: (UITableView*) view didSelectRowAtIndexPath: (NSIndexPath*) path { [view deselectRowAtIndexPath: path animated: YES]; UITableViewCell *cell = [view cellForRowAtIndexPath: path]; switch(path.section) { case CLASS_SECTION: { NSString *name = cell.textLabel.text; [self initReader: name]; [self updateCropMask]; [self initControlCells]; [self setCheckForName: name inSection: CLASS_SECTION]; break; } case SOURCE_SECTION: [self setCheckForTag: reader.sourceType = cell.tag inSection: SOURCE_SECTION]; break; case CAMODE_SECTION: @try { reader.cameraMode = cell.tag; } @catch (...) { [self alertUnsupported]; } [self setCheckForTag: reader.cameraMode inSection: CAMODE_SECTION]; break; case DEVICE_SECTION: reader.cameraDevice = cell.tag; [self setCheckForTag: reader.cameraDevice inSection: DEVICE_SECTION]; break; case FLASH_SECTION: reader.cameraFlashMode = cell.tag; [self setCheckForTag: reader.cameraFlashMode inSection: FLASH_SECTION]; break; case QUALITY_SECTION: reader.videoQuality = cell.tag; [self setCheckForTag: reader.videoQuality inSection: QUALITY_SECTION]; break; case CONFIG_SECTION: { BOOL state; NSString *key = cell.textLabel.text; state = ![[reader valueForKey: key] boolValue]; @try { [reader setValue: [NSNumber numberWithBool: state] forKey: key]; } @catch (...) { [self alertUnsupported]; } // read back and update current state state = [[reader valueForKey: key] boolValue]; [self setCheck: state forCell: cell]; break; } case CUSTOM_SECTION: switch(path.row) { case 0: [self advanceDensity: cell.detailTextLabel value: &xDensity]; break; case 1: [self advanceDensity: cell.detailTextLabel value: &yDensity]; break; case 2: [self advanceCrop: cell.detailTextLabel]; break; case 3: [self advanceZoom: cell.detailTextLabel]; break; case 4: [self setCheck: continuous = !continuous forCell: cell]; break; default: assert(0); } break; case SYMBOL_SECTION: { BOOL state = ![[symbolEnables objectAtIndex: path.row] boolValue]; [symbolEnables replaceObjectAtIndex: path.row withObject: [NSNumber numberWithBool: state]]; [reader.scanner setSymbology: cell.tag config: ZBAR_CFG_ENABLE to: state]; [self setCheck: state forCell: cell]; break; } case RESULT_SECTION: if(path.row == 2) [[[[UIActionSheet alloc] initWithTitle: nil delegate: self cancelButtonTitle: @"Cancel" destructiveButtonTitle: nil otherButtonTitles: @"Save Image", nil] autorelease] showInView: self.view]; break; default: assert(0); } } - (CGFloat) tableView: (UITableView*) view heightForRowAtIndexPath: (NSIndexPath*) path { if(path.section < RESULT_SECTION) return(44); switch(path.row) { case 0: return(44); case 1: return(dataHeight); case 2: return(300); default: assert(0); } return(44); } // UIActionSheetDelegate - (void) actionSheet: (UIActionSheet*) sheet clickedButtonAtIndex: (NSInteger) idx { if(idx == sheet.cancelButtonIndex) return; idx -= sheet.firstOtherButtonIndex; if(!idx) { UIImage *img = [UIImage imageWithData: UIImagePNGRepresentation(imageView.image)]; UIImageWriteToSavedPhotosAlbum(img, nil, NULL, NULL); } } // ZBarReaderDelegate - (void) imagePickerController: (UIImagePickerController*) picker didFinishPickingMediaWithInfo: (NSDictionary*) info { id results = [info objectForKey: ZBarReaderControllerResults]; assert(results); UIImage *image = [info objectForKey: UIImagePickerControllerOriginalImage]; assert(image); if(image) imageView.image = image; int quality = 0; ZBarSymbol *bestResult = nil; for(ZBarSymbol *sym in results) { int q = sym.quality; if(quality < q) { quality = q; bestResult = sym; } } [self performSelector: @selector(presentResult:) withObject: bestResult afterDelay: .001]; if(!continuous) [picker dismissModalViewControllerAnimated: YES]; } - (void) presentResult: (ZBarSymbol*) sym { found = sym || imageView.image; NSString *typeName = @"NONE"; NSString *data = @""; if(sym) { typeName = sym.typeName; data = sym.data; } typeLabel.text = typeName; dataLabel.text = data; if(continuous) { typeOvl.text = typeName; dataOvl.text = data; } NSLog(@"imagePickerController:didFinishPickingMediaWithInfo:\n"); NSLog(@" type=%@ data=%@\n", typeName, data); CGSize size = [data sizeWithFont: [UIFont systemFontOfSize: 17] constrainedToSize: CGSizeMake(288, 2000) lineBreakMode: UILineBreakModeCharacterWrap]; dataHeight = size.height + 26; if(dataHeight > 2000) dataHeight = 2000; [self.tableView reloadData]; [self.tableView scrollToRowAtIndexPath: [NSIndexPath indexPathForRow: 0 inSection: RESULT_SECTION] atScrollPosition:UITableViewScrollPositionTop animated: NO]; } - (void) imagePickerControllerDidCancel: (UIImagePickerController*) picker { NSLog(@"imagePickerControllerDidCancel:\n"); [reader dismissModalViewControllerAnimated: YES]; } - (void) readerControllerDidFailToRead: (ZBarReaderController*) _reader withRetry: (BOOL) retry { NSLog(@"readerControllerDidFailToRead: retry=%s\n", (retry) ? "YES" : "NO"); if(!retry) [_reader dismissModalViewControllerAnimated: YES]; } @end int main (int argc, char *argv[]) { NSAutoreleasePool *pool = [NSAutoreleasePool new]; int rc = UIApplicationMain(argc, argv, nil, @"AppDelegate"); [pool release]; return(rc); }