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Professional iOS development
·
Module 1
Memory Management and Performance Foundations
1
Understanding ARC: Memory Management in Swift
Explain how Automatic Reference Counting (ARC) manages memory and object lifecycles.
2
Breaking Retain Cycles: Weak and Unowned References
Use `weak` and `unowned` references to identify and resolve retain cycles in closures and delegates.
Debugging Memory Leaks with Instruments
Use the Instruments Memory Graph Debugger to visually detect memory leaks and retain cycles.
4
Analyzing Memory Allocation with Instruments
Analyze app memory usage patterns and identify heavy allocations using the Allocations instrument.
5
Time Profiler for CPU Bottlenecks
Use the Instruments Time Profiler to identify and diagnose CPU bottlenecks on the main thread.
6
Async/Await for Responsive Apps
Apply modern Swift Concurrency (async/await) to move expensive operations off the main thread.
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Modern Architecture with MVVM