Inspect Variables

Learn about the three ways to inspect data in your app and the danger that comes with that power.

Create Variables

Use LLDB to create new variables, and learn to use them effectively to make your debugging life easier.

Use Step Control

LLDB offers commands for step-based control, i.e. “Step Into”, “Step Over”, “Step Out”, and “Continue”.

Respect Breakpoints with LLDB

Use a flag to allow a method called from the LLDB command line to stop at breakpoints in that method.

Create Swift Error Breakpoints

Swift Error Breakpoints are great for getting to the root cause of unexpected behavior, when it’s caused by errors thrown deep within your own code.

Share Breakpoints

Breakpoints can be shared in two ways: between projects just on your own system, or as a file, for multiple users of a project.

Use the Main Thread Checker

Learn how to quickly spot issues where your code is being called from a background thread, when it should not.

Use Malloc Stack Logging

See how this tool helps pinpoint memory issues - taking you right to the line of code where a retained object was instantiated.

Use Breakpoints with Combine

When it’s impossible to insert a breakpoint into a chain of Combine methods, where you need it, Publisher’s “breakpoint” methods can come to your rescue.

Debug Wirelessly

Learn how easy it is to debug without having to tether your device to your Mac. It’s a necessity for the Apple Watch and TV, but works with all devices.

This course will provide you with more debugging techniques to use, after you’ve mastered the basics.

• Debugging
• Breakpoints
• Threading