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    <pre><code>//Create our colorspaces imageColorSpace = CGColorSpaceCreateDeviceRGB(); maskColorSpace = CGColorSpaceCreateDeviceGray(); provider=CGDataProviderCreateWithCFData((__bridge CFDataRef)self.puzzleData); image=CGImageCreateWithPNGDataProvider(provider, NULL, true, kCGRenderingIntentDefault); CGDataProviderRelease(provider); //Resize the puzzle image context = CGBitmapContextCreate(NULL, kPuzzleSize, kPuzzleSize, 8, 0, imageColorSpace, kCGImageAlphaPremultipliedFirst); CGContextDrawImage(context, CGRectMake(0, 0, kPuzzleSize, kPuzzleSize), image); CGImageRelease(image); image = CGBitmapContextCreateImage(context); CGContextRelease(context); //Create the image view with the puzzle image self.imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, kPuzzleSize, kPuzzleSize)]; [self.imageView setImage:[UIImage imageWithCGImage:image]]; //Create the puzzle pieces (note that pieces are rotated to the puzzle orientation in order to minimize the number of graphic operations when creating the puzzle images) for(i = 0; i &lt; appDelegate().puzzleSize * appDelegate().puzzleSize; ++i) { //Recreate the piece view [pieces[i] removeFromSuperview]; pieces[i] = [[CJPieceView alloc] initWithFrame:CGRectMake(0, 0, kPieceSize, kPieceSize) index:i]; [pieces[i] setTag:-1]; //Load puzzle piece mask image UIImage *maskimage=[self.arrmaskImages objectAtIndex:i]; NSData *dataMaskImage=UIImagePNGRepresentation(maskimage); provider=CGDataProviderCreateWithCFData((__bridge CFDataRef)dataMaskImage); tile = CGImageCreateWithPNGDataProvider(provider, NULL, true, kCGRenderingIntentDefault); CGDataProviderRelease(provider); mask = CGImageCreateCopyWithColorSpace(tile, maskColorSpace); CGImageRelease(tile); context = CGBitmapContextCreate(NULL, kPieceSize / kPieceShadowFactor, kPieceSize / kPieceShadowFactor, 8, 0, imageColorSpace, kCGImageAlphaPremultipliedFirst); CGContextClipToMask(context, CGRectMake(0, 0, kPieceSize / kPieceShadowFactor, kPieceSize / kPieceShadowFactor), mask); CGContextSetRGBFillColor(context, 0.0, 0.0, 0.0, 1.0); CGContextFillRect(context, CGRectMake(0, 0, kPieceSize / kPieceShadowFactor, kPieceSize / kPieceShadowFactor)); shadow = CGBitmapContextCreateImage(context); CGContextRelease(context); imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, kPieceSize, kPieceSize)]; [imageView setImage:[UIImage imageWithCGImage:shadow]]; [imageView setAlpha:kPieceShadowOpacity]; [imageView setUserInteractionEnabled:NO]; [pieces[i] addSubview:imageView]; CGImageRelease(shadow); //Create image view with piece image and add it to the piece view context = CGBitmapContextCreate(NULL, kPieceSize, kPieceSize, 8, 0, imageColorSpace, kCGImageAlphaPremultipliedFirst); CGRect rectPiece= CGRectMake(fmodf(i, appDelegate().puzzleSize) * kPieceDistance, (floorf(i / appDelegate().puzzleSize)) * kPieceDistance, kPieceSize, kPieceSize); [self.arrlocations addObject:[NSValue valueWithCGRect:rectPiece]]; CGContextTranslateCTM(context, (kPieceSize - kPieceDistance) / 2 - fmodf(i, appDelegate().puzzleSize) * kPieceDistance, (kPieceSize - kPieceDistance) / 2 - (appDelegate().puzzleSize - 1 - floorf(i / appDelegate().puzzleSize)) * kPieceDistance); CGContextDrawImage(context, CGRectMake(0, 0, CGImageGetWidth(image), CGImageGetHeight(image)), image); subImage = CGBitmapContextCreateImage(context); CGContextRelease(context); tile = CGImageCreateWithMask(subImage, mask); imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, kPieceSize, kPieceSize)]; [imageView setImage:[UIImage imageWithCGImage:tile]]; [imageView setUserInteractionEnabled:NO]; [pieces[i] addSubview:imageView]; CGImageRelease(tile); CGImageRelease(subImage); DLog(@"%f", pieces[i].frame.size.width); pieces[i].transform=CGAffineTransformScale(CGAffineTransformIdentity, kTransformScale, kTransformScale); DLog(@"%f %f",kTransformScale, pieces[i].frame.size.width); //Release puzzle piece mask; CGImageRelease(mask); } //Clean up CGColorSpaceRelease(maskColorSpace); CGColorSpaceRelease(imageColorSpace); CGImageRelease(image); </code></pre>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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