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sorry I'm a newbie iOS developer, recently I've briefly heard that @synthesize is now @synthesize in a certain version of Xcode and that the compiler will auto synthesize and properties and assign _ to private variables.
I've tested this:
with out @synthesize, you can access properties and private field using
self.property_name = something; _property_name = something; //(used in getter and setters) with @synthesize property_name, you can access properties and private field using
self.property_name = something; property_name = something; My question is do we really need @synthesize anymore? or there is a bigger story I'm missing?
409
Xcode will auto synthesise an iVar as if you had written... @synthesize name = _name; This means you can access the property with... self.name; // or _name; Either will work but only self.name actually uses the accessor methods.
@objc means you want your Swift code (class, method, property, etc.) to be visible from Objective-C. dynamic means you want to use Objective-C dynamic dispatch.
Objective-C allows you to set four levels of scope for an instance variable as follows: @private - accessible only within the class that declares it. @protected - accessible within the class that declares it and all subclasses. This is the default.
Objective-C properties offer a way to define the information that a class is intended to encapsulate. As you saw in Properties Control Access to an Object's Values, property declarations are included in the interface for a class, like this: @interface XYZPerson : NSObject.
No we don't need to do that as of Xcode 4.4, which added a feature called Default Synthesis Of Properties.
Simply put, it generates this automatically:
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