Access NSMutableArray from a different class

Question

I have a class where a NSMutableArray object is formed, as so:

navBarColour = [[NSMutableArray alloc] initWithObjects:colourOfNavBar, nil];

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Answer 1

The dot notation is used differently in objective c that from c++ or java. In objective-c it is shorthand for accessing a property. You need to have defined a objective-c property first, like this:

in the .h file (INSIDE the interface tag)

@property (nonatomic, retain) NSMutableArray *navBarColor;

in the .m file (INSIDE the implementation tag)

@synthesize navBarColor;

Only then can you access the array with the dot notation.