3. Memory Management
Understanding memory management in the Cocoa Touch framework is one of the first major roadblocks for newcomers. Unlike Objective-C on the Mac, Objective-C on the iPhone has no garbage collector. Thus, it is your responsibility to clean up after yourself.
Memory Management Concepts
This book assumes you are coming from a C background, so the words “pointer,” “allocate,” and “deallocate” shouldn’t scare you. If your memory is a little fuzzy, here’s a review. The iPhone has a limited amount of random access memory. Random access memory (RAM) is much faster to write to and read from than a hard drive, so when an application is executing, all of the memory it consumes is taken from RAM. When an operating system like iPhone ...
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