Using __weak to Break Retain Cycles in Objective-C ARC
Learn how to use __weak delegates and the weak-strong block pattern to eliminate retain cycles in Objective-C ARC while keeping APIs explicit about object lifetime.
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Adopting Objective‑C Nullability Annotations in a Mixed Swift/Obj‑C Codebase
Adopt Objective‑C nullability annotations in a mixed Swift/Obj‑C project to improve Swift interop, catch nil bugs at compile time, and preserve runtime behaviour. Follow this step‑by‑step guide to wrap headers, annotate pointers, and verify changes.
Choosing When to Enable ARC in Legacy Objective‑C Projects
Learn how to enable ARC per file in an Objective‑C project, verify the setup with build logs and Instruments, and understand the limits when bridging Core Foundation objects.
Breaking Retain Cycles in Objective-C ARC with __weak and __strong
How to break strong reference cycles in Objective-C blocks using the __weak-strong pattern to prevent memory leaks under ARC.
Enable ARC for a Single Objective‑C File in a Mixed‑Mode Xcode Project
Learn how to enable ARC for a single Objective‑C file in a mixed‑mode Xcode project, verify the compiler inserts retain/release calls, and revert the change if needed.
xcodeManaging State in Objective-C: Properties and the @synthesize Directive
Learn how to use @property and @synthesize in Objective-C to reduce boilerplate, manage memory with ARC, and implement custom state validation.
Choosing ARC vs Manual Memory Management in Objective‑C Projects
A concise decision guide for enabling ARC in Objective‑C projects, covering constraints, option trade‑offs, a sample implementation, and validation steps.
Choosing ARC in Objective‑C: When to Adopt, How to Migrate, and What to Watch
ARC eliminates manual retain/release calls, but choosing it requires understanding weak refs, migration steps, and potential pitfalls. This post walks through the decision, a practical migration example, and how to verify the result.
Diagnosing EXC_BAD_ACCESS and Zombie Objects in Objective-C
Learn how to resolve EXC_BAD_ACCESS crashes in Objective-C by using Zombie Objects to identify dangling pointers and fixing improper reference types.