How does iOS_Xcode accurately locate error codes that generate exceptions?

How does iOS_Xcode accurately locate error codes that generate exceptions?

When the application crashes due to an exception,

The cursor may only display an exception in the main function code, as shown in:

In this case, even if you read the log,

It may still be unclear which code generates an exception.

Therefore, you need to manually setException breakpoint,

The debugger Suspends Program Execution when an exception is thrown,

Accurately locate the program to the line of code that encountered an exception.

:

The process of adding an exception breakpoint is as follows:

How can I locate the error code and solve the exception and stack overflow errors?

I have never heard of this technology for finding error code through the address. You can choose to confirm it by pressing "F10" or "F11" without debugging. What is the error in the pop-up window?

For android exceptions, this exception does not specify the number of lines and cannot locate the specific number of lines of code.

NULL pointer error. You can debug it step by step, so that you can easily find the error.