objective-c-runtime tutorials

Why do class_respondsToSelector and respondsToSelector behave different when sent to Class?

Feb 18, 2023

objective-c selector objective-c-runtime

Why aren't default parameters for functions respected when called via Selector in Swift?

Jan 28, 2023

swift objective-c-runtime

Why isn't the super class of a meta class of a root class a NULL pointer?

Jan 17, 2023

objective-c class objective-c-runtime

Under ARC, is it legal/safe to assign to an object-type ivar using runtime methods?

Jan 17, 2023

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In Objective C how can I get the class name of self at run time? [duplicate]

Dec 09, 2022

objective-c class objective-c-runtime

How do I use objective-c-runtime's object_getIvar & object_setIvar in swift?

Nov 12, 2022

swift objective-c-runtime

Why resolveInstanceMethod: called twice sometimes

Nov 11, 2022

objective-c objective-c-runtime

Using objc_disposeClassPair()

Nov 05, 2022

objective-c cocoa objective-c-runtime

objc_getProtocol() returns NULL for `NSApplicationDelegate"?

Nov 05, 2022

objective-c cocoa protocols objective-c-runtime nsapplication

Objective-c IOS arm64 method swizzling fail to call original method

Nov 02, 2022

ios objective-c objective-c-runtime arm64 method-swizzling

How to detect if a property is an IBOutlet programmatically at runtime?

Nov 03, 2022

objective-c unit-testing properties objective-c-runtime

My isa-swizzling breaks KVO

Oct 10, 2022

objective-c key-value-observing objective-c-runtime swizzling isa-swizzling

Swizzling a method with variable arguments and forward the message - Bad Access

Oct 06, 2022

ios objective-c objective-c-runtime variadic-functions swizzling

Log Objective-c message sends on a device

Oct 02, 2022

ios objective-c iphone objective-c-runtime

Get back to sel_getUid()'s original behaviour

Sep 29, 2022

objective-c selector objective-c-runtime

Swift runtime - calling superclass method

Jan 25, 2022

swift objective-c-runtime

Lazily named class wasn't named by lazy name handler

Mar 14, 2022

objective-c objective-c-runtime

What is the underlying mechanism for ivar synthesis in the modern Objective C runtime

Jul 15, 2021

objective-c objective-c-runtime

Avoid extra static variables for associated objects keys

Mar 30, 2022

objective-c objective-c-runtime associated-object

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