Set bool property of all objects in the array

Question

I\'ve a model class called PhotoItem. In which I have a BOOL property isSelected

@interface PhotoItem : NSObject

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Answer 1

Is there any better way to achieve this without implementing a custom public method?

This sounds like you are asking for opinion, so here is mine: Keep it simple.

for (PhotoItem *item in _photoItemArray)
    item.isSelected = YES;

Why obfuscate a simple thing with detours through obscure methods when you can write code that anybody will immediately understand?

Another way of doing the same thing would be:

[_photoItemArray setValue:@YES forKey:@"isSelected"];

This does not need the custom additional setter method because KVC does the unboxing for you.

But again I would vote against using such constructs. I think they are distracting from the simple meaning and confusing developers that come after you.