Xcode Breakpoints - Basic Debugging | Swift

[@isaacclark9825]

Great content! I make a living answering student programmer questions. I wish I had a quarter for every time I have asked a student, "have you used the debugger" and received the response "we haven't been taught about that."

[@seanallen]

Thanks Isaac!

[@bdaralan]

Thank you, I learnt a few things. To delete all break points, drag away the project icon in the break-point tab. 😃

[@ryankanno2562]

Without a doubt debugging is the most important skill for any developer. Great video!

[@iosedat]

Hi Sean, I am following you since few days and learning iOS Development. This video is worth of Gold for me. Thanks for sharing your experiences.

[@seanallen]

Glad it was helpful, Sedat!

[@sanjayarun4947]

I always had trouble understanding the exception break point. You cleared it up for me. Thanks a lot sean..

[@seanallen]

Happy to help!

[@glennmiller394]

Good video, Sean. Debugging is the #1 skill software engineers need to develop to keep their sanity. The sound thingie? For long running programs. No more checking the display every three seconds.

[@seanallen]

Glad you liked it Glenn, and that would be a good use of the sound.

[@denisp.7850]

Informative as usual 👍 A quick tip that i've been using a lot: using control+command for jumping to definition. Makes it so much faster to navigate through code.

[@seanallen]

Thanks for sharing. That's a shortcut I always forget about.

[@VeryBlueBot]

Oh man this is so clear and helpful. Basically everything I needed to know about break points in xcode in 20 minutes (10 actually, I watch in X2 :)) Most of my code milage is in JS so Im not using breaking points enough.. Thanks :)

[@seanallen]

Glad it helped!

[@ivanputeraa]

I usually use the breakpoint sound feature whenever I do debugging and left my laptop while running the code. I use Bluetooth headset btw, so whenever I hear the sound I’ve set before, it means that the code has triggered the breakpoint so I can go back to check my laptop. Maybe it looks kinda funny, but it’s really useful for me though 👍🏼

[@PtolemysEye]

LITERALLY had that exact bug today lol. Super fun figuring it out without using breakpoints :D

[@CredoAcademy]

What a great tutorial about Debugging and how to use breakpoints in Xcode. 👍Great job Sean!

[@seanallen]

Thanks!

[@SwiftlyShivali]

Awesome Video, Sean!

[@seanallen]

Thanks! Glad you liked it 😀

[@Didstoraro]

Thank you so much for this video, Sean. 🙂 It has helped me a lot, I'm learning iOS right now and I find myself often overwhelmed with so many new things. So... Thanks 👍

[@seanallen]

Happy to help!

[@TylerWasick]

Thanks Sean for another great video! How can I make suggestions on new videos? I am trying to learn more advanced cases of protocols and delegates.

[@seanallen]

Glad you liked it. Feel free to suggest here, but I have a VERY long video idea list.

[@bruhmoment3731]

Wow. This video is packed with information. I feel like it raised my IQ by 20 points.

[@usamashoukat8233]

Bro Nice and Simple explanation 🔥

[@seanallen]

Glad it was helpful!

[@yosansu]

thanks for the video! loved the simple explanation style :)

[@Some.real.human.]

CMD + A, Delete to delete all

[@seanallen]

Thanks for sharing!

[@Some.real.human.]

Sean Allen np Sean! Would love to see a more advanced video on breakpoints showing features like conditional breakpoints!

[@ca7986]

Amazing tutorial man! 🙏

[@seanallen]

Glad you liked it!

[@robinandthedog]

Note that po means evaluate expression, see : help po. The nice thing is you can change variables with it to run a different course in your program e.g.: po isMyAppCool = true

[@seanallen]

Thanks for clearing that up, Robin!

[@connorvantress8073]

the code on his screen at 1:52 is the only thing that pops up on my screen when I try and de-bug. I cannot see my actual code or the green line that shows where it is at and running. How do I fix this?

[@connorvantress8073]

Fixed it by randomly messing with Xcode debugging settings...great :)

[@gillesashley9314]

Sean you leave a lot of spaces before assigning your values, won’t it affect performance. Sorry to ask but coming from a JavaScript background where we minify files to improve speed.

[@Ivan_Maslov]

Hello! Could you make a video on View debugging? By the way, why did you write arg1? Is that a specific variable or you could write arg with any number, like arg0, for example? Thanks

[@PatricioBenavente]

Didn’t know the click and drag to delete breackpoints. Nice tip For showing all your breackpoints you can use Command-8 You don’t hace to enter a function and add new breackpoints. Once your program is paused you can use the step-into button (with control-shift) in the debugger. Great work as usual Sean.

[@seanallen]

Thanks for the tips!

[@Taxexpert82]

O.M.G I am trying to update my app in the apple developers, but I can't, any video you can recommend to me.

[@donathmm3881]

Learned something new! Thanks Sean

[@seanallen]

Happy to help!

[@chrispy104k]

Hey Sean, with regard to your query about the Console showing that annoying message: Snapshotting a view (0x7ff9aae0cad0, _UIReplicantView) that has not been rendered at least once requires afterScreenUpdates:YES. I discovered through looking through all the options to configure the textField in the file GFTextField that by adding the line: autocapitalizationType = .none in the configure() function the message stopped. I've no idea what is going on there but clearly that had something to do with it. I did the same for the searchController. ie, in configureSearchController() searchController.searchBar.autocapitalizationType = .none Problem solved.

[@hermanvancauwelaert]

thanks for the clear explanation

[@seanallen]

Glad it was helpful, Herman.

[@AmitGupta-xc9gq]

Hiii Sean, I want the debug te code when app is killed state and notification tap

[@luismosqueda7293]

I got a thread 1: signal sigterm and I have no idea what that is or how to fix it to run the app

[@andreagualandris2462]

Thank you Sean, video so helpful!

[@seanallen]

My pleasure!

[@hareeshgangadhara415]

Sometimes breakpoints not working. What to do in that case

[@antonignatenko7776]

weird one, why can't I use breakpoint when clicking on the line?

[@tech_wizard9315]

If I practice DSA with Swift for 3 months.... 6 hrs each day... M I ready to get job at Apple..? (I am a fresher)

[@seanallen]

Tough for me to say as I don't do any hiring for Apple 😀

[@dannylones2159]

simple but not easy

[@hardipgajera2316]

This is very helpfull thanks man:)

[@seanallen]

Glad it helped

[@JonatanEdOrtiz]

Great tips!

[@edwincreator2855]

The indentation for = is killing me

[@DimitrisTheo]

Should a beginner know these stuff? I only know what a breakpoint is and how to use it.

[@seanallen]

I'd say you'd need to have a good idea of basic breakpoints and debugging before you get your first job. Knowing how to debug can save you tons of time when just learning as well.

[@DimitrisTheo]

@@seanallen Alright thanks!

[@govind20246]

Really good 👍

[@guruitcompany]

Thank you very much 😊

[@seanallen]

Happy to help

[@Fwipo]

Hold up wait why are your breakpoints red?

[@seanallen]

It's your system accent color. You can set it in System Preferences > General

[@aliquewilliams3080]

Don't ever paginate using content size. It's a straight up anti-pattern.

[@sarahd6314]

13:23

[@dan_pal]

Amazing 🎉

[@seanallen]

Thanks 😄

[@justmytraining4190]

thank you

[@dannylones2159]

google, debug and google your debug