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Swift by Sundell
121: “Responsive and smooth UIs”, with special guest Adam Bell
Oct 31, 2022
In this episode, Adam Bell discusses optimizing UI code and using animations to create fast and responsive iOS apps. Topics include debouncing, CATransaction, GCD, and adding spring parameters to animations. The importance of balancing UI optimizations with responsiveness is emphasized, along with leveraging specific tooling for high-speed tasks and creating smooth interactions through modern animation techniques.
01:10:13
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Quick takeaways
- Identifying performance bottlenecks in view controller lifecycle methods is crucial for enhancing UI responsiveness.
- Utilizing performance analysis tools like Instruments can uncover hidden slow-down factors and lead to targeted optimizations.
Deep dives
Optimizing UI Performance by Analyzing View Controller Lifecycle Methods
Analyzing the view controller lifecycle methods to detect common performance bottlenecks is crucial. Checking methods such as viewDidAppear, viewDidLayoutSubviews, and their frequency of call can reveal potential slowdowns. Understanding the timing of data or layout updates within these lifecycle callbacks can help in streamlining code execution. Looking for unnecessary layout invalidations or property recalculations in these methods can significantly enhance UI responsiveness.
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