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Tag Archives: beginner
Handy UIKit Debugging Functions
I don’t know how many times I had typed something like
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NSLog(@"self.bounds (%g,%g,%g,%g)" self.bounds.origin.x, self.bounds.origin.y, self.bounds.size.width, self.bounds.size.height); |
before I discovered that UIKit has the following handy string conversions functions
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NSString* NSStringFromCGAffineTransform ( CGAffineTransform transform); NSString* NSStringFromCGPoint ( CGPoint point); NSString* NSStringFromCGRect( CGRect rect); NSString* NSStringFromCGSize( CGSize size); NSString* NSStringFromUIEdgeInsets( UIEdgeInsets insets); |
Reference UIKit Function Reference
The init and dealloc idioms.
For C++ programmers the first surprise waiting for them in Objective-C is that in a derived class they must explicitly call the init and dealloc methods of the superclass (roughly the equivalent of a constructor and destructor). By following the … Continue reading