iOS UI debugging

📱

NSLog + Recompile

• Objective-C books and classes cover NSLog

• Debugging requires lots of logging and recompiling is slow

Print stuff w/o recompiling

• breakpoints pause execution and invoke the debugger

• use the p command to print values

Custom breakpoints

LLDB without breakpoints

• caflush - Flush the render server

• thread return - Return from the currently selected frame with an optional return value

• wivar - Watch for changes to an instance variable of an object

Recommended Reading

• github.com/facebook/chisel

• (lldb) help

iOS UI debugging

📱