Question

The following piece of code can be written in two ways. I would like to know what are the pros and cons of each. If possible I would like to stick with the one liner.

1)

UIColor *background = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"Background.png"]];

self.view.backgroundColor = background;

[background release];

2)

self.view.backgroundColor = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"Background.png"]];

Any issues with releasing memory etc. with #2? I’m new to Objective-C and would like to follow the best approach.

Answer 1

There is one more way that this can be written, and is commonly used for objects that do not need to be retained in memory:

self.view.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"Background.png"]];

This way, no memory management is needed.