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iOS Debugging Fundamentals

 3 years ago
source link: https://www.raywenderlich.com/18770184-ios-debugging-fundamentals
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This is part of the "iOS IDEs and Tools" learning path. View Path

iOS Debugging Fundamentals

Apr 27 2021 · Video Course (49 mins) · Beginner

Learn the fundamentals of debugging in Xcode: including breakpoints, stack traces, and visibly inspecting the view hierarchy. After this course, you’ll be better able to understand what’s happening throughout the flow of your app, and why!

Version

  • Swift 5, iOS 14, Xcode 12

iOS Debugging Fundamentals

Introduction

3:22 Free

Why learn debugging? This introductory episode will answer this question and preview the course.

Pause your app in the middle of execution using breakpoints. Use the breakpoint navigator to view and manage all the breakpoints in your project.

Activate and deactivate individual breakpoints, disable all breakpoints in a project, and delete breakpoints in Xcode.

View the values stored in your properties and constants while your app is paused. Use debugger commands to change the state of your app while debugging.

Challenge time! In this challenge, you’ll use the skills you’ve learned so far to find and fix a bug.

Use Xcode to step through execution of your app one line at a time. Learn the different ways to step through your code.

Call Stack

5:56

See how the call stack works and how to navigate it during a debug session to view the app state at different points in the stack.

Learn some tools for debugging visual issues with your app. Debug a UI issue using Xcode’s debug view hierarchy tool.

Learn how to use Debug Previews to debug SwiftUI code using Previews instead of relying on a simulator or device.

In this challenge, use all of your acquired knowledge to find the source of the last bug.

Conclusion

1:17

In this episode, review what you’ve learned in this course and see where to go next.

Who is this for?

This course is for beginner developers coming from our previous iOS paths (iOS and SwiftUI for Beginners, iOS User Interfaces with SwiftUI, and iOS Data and Networking) who want to take their skills to the next level and improve their debugging skills.

Covered concepts

  • Debugging in Xcode
  • Breakpoints
  • The Variable View
  • The Console
  • View Debugging
  • The Call Stack

Contributors

Adriana Kutenko

Graphic Illustrator with a Bachelor’s Degree in Fine Arts. I am a perpetual perfection seeker with a big passion for History...

Illustrator
Christine Sweigart

Christine is Razeware's administrative assistant and video editor. For many years she fostered a strong dislike of green...

Video Editor

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