Stanford CS193p: iOS Development with SwiftUI | 2025 | L2: Code Breaker App

Stanford CS193p: iOS Development with SwiftUI | 2025 | L2: Code Breaker App

🎙 Paul Hegarty 👥 1.2M 📅 November 14, 2025 ⏱ 66 min 👁 28K 📄 tutorial 🧭 2026-08-06
Available in: English (current) Français

Keywords

SwiftUIView ModifiersiOSProgrammingStanford

Summary

This is the second lecture of Stanford’s CS193p course on iOS development with SwiftUI, taught by Paul Hegarty. The lecture begins with a brief recap of the first lecture, covering the basics of views, view composition, and the structure of a SwiftUI app. The main focus is on view modifiers, which are functions that customize views. Hegarty explains how modifiers work as chainable functions that return modified views, and demonstrates examples like .font(), .foregroundStyle(), and .padding(). He emphasizes that modifiers are applied in order and can be passed down from container views to children. The lecture then transitions to building the Code Breaker app, starting with laying out the game’s pegs and markers using shapes and modifiers like .fill(), .stroke(), and .opacity(). He covers creating custom structs that behave like views, moving views to separate files, using enums for match states, and introduces functional programming concepts like count(where:) for arrays. The lecture concludes with an emphasis on decomposition for code maintainability and compiler performance.

164 words

Critical Evaluation

This lecture is a high-quality educational resource from Stanford University, taught by an experienced instructor, Paul Hegarty. The content is accurate, well-structured, and aligns with current SwiftUI practices. Hegarty’s teaching style is clear and engaging, using a live coding demo to illustrate concepts. The lecture builds on previous knowledge and introduces new concepts in a logical progression. The use of view modifiers is explained thoroughly, with practical examples that reinforce understanding. The Code Breaker app project provides a hands-on context for applying the concepts. The sources cited are official Stanford course materials, ensuring reliability. The title accurately reflects the content. The lecture is suitable for students with some programming background, though it is part of a structured course. Overall, this is an excellent tutorial that effectively teaches SwiftUI development.

129 words

Title / Content Match

The title accurately reflects the content: a lecture on SwiftUI development, specifically building the Code Breaker app.

Quality & Reliability

9/10

Lecture from Stanford University's official CS193p course, taught by an experienced instructor. Content is well-structured, accurate, and based on official Apple frameworks. Sources are official course materials.

Key Moments

Cited Sources

Concurring Sources

Contribution & Novelties

This lecture provides a clear and practical introduction to view modifiers in SwiftUI, a fundamental concept for building user interfaces. It demonstrates how to use modifiers to customize views and how they can be chained together. The Code Breaker app project offers a hands-on application of these concepts, reinforcing learning through real-world implementation.

Pour aller plus loin :

96 words

Radar Profile

The radar profile shows high scores across all dimensions, indicating a well-rounded and reliable educational resource. The lecture excels in information quantity and quality, with a strong technical level and high reliability.

Reliability 9/10