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SwiftUI 高级技巧：手势组合、自适应布局、架构决策与性能优化实战指南

swiftui-advanced by johnrogers/claude-swift-engineering

56 周安装量

193 GitHub Stars

GitHub

安装命令

npx skills add https://github.com/johnrogers/claude-swift-engineering --skill swiftui-advanced

iOS Swift 性能优化

🇨🇳中文介绍

SwiftUI 高级技巧

适用于手势组合、自适应布局、架构决策和性能优化的高级 SwiftUI 模式。

参考加载指南

只要内容有被需要的可能，无论多小，都应始终加载参考文件。 拥有上下文总比遗漏模式或犯错误要好。

参考文件	何时加载
手势	组合多个手势、GestureState、自定义识别器
自适应布局	ViewThatFits、AnyLayout、尺寸类别、iOS 26 自由形态窗口
架构	MVVM 与 TCA 决策、State-as-Bridge、属性包装器选择
性能	Instruments 26、视图 body 优化、不必要的更新

核心工作流程

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🇺🇸English

SwiftUI Advanced

Advanced SwiftUI patterns for gesture composition, adaptive layouts, architecture decisions, and performance optimization.

Reference Loading Guide

ALWAYS load reference files if there is even a small chance the content may be required. It's better to have the context than to miss a pattern or make a mistake.

Reference	Load When
Gestures	Composing multiple gestures, GestureState, custom recognizers
Adaptive Layout	ViewThatFits, AnyLayout, size classes, iOS 26 free-form windows
Architecture	MVVM vs TCA decision, State-as-Bridge, property wrapper selection
Performance	Instruments 26, view body optimization, unnecessary updates

Core Workflow

Identify pattern category from user's question
Load relevant reference for detailed patterns and code examples
Apply pattern following the decision trees and anti-patterns
Verify using provided checklists or profiling guidance

Decision Trees

Gesture Composition

Both gestures at same time? -> .simultaneously
One must complete before next? -> .sequenced
Only one should win? -> .exclusively

Layout Adaptation

Pick best-fitting variant? -> ViewThatFits
Animated H/V switch? -> AnyLayout
Need actual dimensions? -> onGeometryChange

Architecture Selection

Small app, Apple patterns? -> @Observable + State-as-Bridge
Complex presentation logic? -> MVVM with @Observable
Rigorous testability needed? -> TCA

Common Mistakes

Gesture composition order matters — .simultaneously and .sequenced have different trigger timing. Swapping them silently changes behavior. Understand gesture semantics before using.
ViewThatFits over-used — ViewThatFits remeasures on every view change. For animated H/V switches, use AnyLayout instead. Use ViewThatFits only for static variant selection.
onGeometryChange triggering unnecessary updates — Reading geometry changes geometry, which triggers updates, which changes geometry... circular. Use .onGeometryChange only with proper state management to avoid loops.
Architecture mismatch mid-project — Starting with @Observable + State-as-Bridge then realizing you need TCA is expensive. Choose architecture upfront based on complexity (small app = @Observable, complex = TCA).
Ignoring view body optimization — Computing expensive calculations in view body repeatedly kills performance. Move calculations to properties or models. Profile with Instruments 26 before optimizing prematurely.

Weekly Installs

Repository

johnrogers/clau…ineering

GitHub Stars

180

First Seen

Jan 23, 2026

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Installed on

codex45

opencode44

claude-code43

gemini-cli40

github-copilot39

cursor37