Chris Eidhof

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npub1xmaec6xgaucshq4uwj835vcgdady9l9s9e4qukvx0lf7lvefsyss7heemk

NIP-05 Address

chris_at_m.objc.io@mostr.pub

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nprofile1qqsrd7uudryw7vgts278frc6xvyx7kjzljczu6swtxr8l5l0kv5czggulhv5u

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npub1xmaec6xgaucshq4uwj835vcgdady9l9s9e4qukvx0lf7lvefsyss7heemk

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Last Notes

2024-06-17 09:51:57

In case you were wondering, you can easily run macOS 15 in a VM by downloading the IPSW from developer.apple.com and using it to create a new machine in VirtualBuddy (https://github.com/insidegui/VirtualBuddy). Thanks @npub1rwr…j27u for your continued work on this!

2024-04-23 20:06:48

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@npub1kvt…0vtn you're right, but you can resolve the value of a color these days using this: https://developer.apple.com/documentation/swiftui/color/resolve(in:)

2024-04-15 18:41:08

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@npub1kvt…0vtn it's never been a problem for me? I would struggle to park such a big car in many places here I think.

2023-10-17 03:14:08

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@npub1sy6…5dxr just long-press then power button for 10-12 seconds and go for a walk? 😅

2023-10-13 11:35:58

If you're starting a book club for Thinking in SwiftUI with friends or at work, do let me know. I'd be happy to join in on a zoom call and answer any questions you might have about the book.

2023-10-11 12:39:19

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@npub1klp…rler fwiw it isn’t that hard to get a simple version of Text running by wrapping core text…

2023-10-03 04:08:43

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@npub1sf7…m3th yes, we realized... you're not the only one to ask for this. Unfortunately, we don't have a quick way of doing this currently, but hopefully some time in the future.

2023-10-02 10:41:12

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@npub1sf7…m3th currently not. It’s something we are looking into.

2023-09-29 12:00:16

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@npub1m0z…lfl7 the lifecycle of the coordinator is tied to the lifecycle of the swiftui view (and so is the uiview). Setting parent copies all the properties from the swiftui view to the coordinator, as these might have changed.

2023-09-22 07:03:48

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@npub1cal…u52a https://www.youtube.com/watch?v=ypSKDY4Jp3g

2023-09-22 05:39:43

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@npub19et…jx5h isn’t that what Observable does?

2023-09-20 13:47:52

@npub1gx9…m9vj hey! Hast du eigentlich eine Emailadresse? Es kommt eine Freundin von mir nach Hamburg, habe gedacht, wenn ich den Trip vielleicht kombinieren kann mit Leute treffen und ggf. sogar einen Vortrag bei z.B. CocoaHeads dann wäre das nicht doof. Würde z.B. am 2. Okt hinfahren können.

2023-09-19 08:04:12

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@npub1tsl…x6lg thanks! I managed to solve it by manually downloading the runtime.

2023-09-19 08:03:58

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Okay, found a workaround. I downloaded the iOS runtime manually from Apple's website, and then followed the instructions here: https://developer.apple.com/documentation/xcode/installing-additional-simulator-runtimes

2023-09-19 07:56:12

Hm, trying to install Xcode 15 on macOS 13. Did anyone else see this error? (I have 100+GB of free space, this can't be the real issue).
https://objc.s3proxy.de/media_attachments/files/111/090/739/691/445/398/original/1334e20891f9f40b.png

2023-09-17 10:30:48

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@npub16se…wex2 alles gute!

2023-09-16 04:40:35

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@npub1e0x…d30u haha, nice. My moment like that is with Transatlanticism. I saw them live a few times, the first time was in 2006 (I think) in Amsterdam. I think they even played the smaller hall. So many good memories.

2023-09-15 18:48:48

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@npub1e0r…l2t4 yes, that might be a good idea. Do you happen to have a concrete example where things would break?

2023-09-15 15:10:55

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@npub16se…wex2 it’s not that hard, just a few log statements!

2023-09-15 08:20:26

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@npub16se…wex2 so after thinking more about this (and experimenting) it turns out that these updates are actually not spaced out. They all get enqueued straight after each other, and the view is only re-rendered after they're all processed. I updated the post. Thanks for suggesting this!

2023-09-15 08:18:38

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Thanks to @npub16se…wex2 for suggesting this potential problem.

2023-09-15 08:18:20

I updated the view representable blog post to better explain what happens when multiple events are enqueued (e.g. in the text editor case). Now with diagrams as well! https://chris.eidhof.nl/post/view-representable/

2023-09-13 10:45:39

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@npub16se…wex2 okay, just verified. If you run the following Mac app you'll see different behavior when you comment out line 34: https://gist.github.com/chriseidhof/05296abae6a54cc737d25497a6060405#file-textview-swift-L34

2023-09-13 10:38:44

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@npub16se…wex2 I think in theory, the bindings might change. So in updateView I *think* you need to at least set them (that's what I do with the parent setting). I'm not 100% sure though.

2023-09-13 09:06:52

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@npub1lsd…9tf9 @npub1k4u…72ca maybe! Do you have a more concrete example (code) you could show? If yes I can try to research!

2023-09-13 07:58:45

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@npub1m0z…lfl7 thanks! Let me know if you find anything missing/wrong.

2023-09-13 06:44:28

I wrote a new article about UIViewRepresentable. I came up with two rules for working with them: make all updates from UIKit -> SwiftUI async, and only update what's really needed when setting UIKit properties. If anyone has more feedback I'd love to hear it. https://chris.eidhof.nl/post/view-representable/

2023-09-12 11:13:03

Well, at least with macro expansion, we can understand what's happening below the hood. So many language features in this one snippet...
https://objc.s3proxy.de/media_attachments/files/111/051/874/613/989/172/original/3dbcbbd80e8e360d.png

2023-09-11 18:23:28

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@npub139y…xshx so awesome. I miss the mountains.

2023-09-11 17:09:33

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@npub139y…xshx looks amazing!

2023-09-11 08:25:40

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@npub1kvt…0vtn I also think this documentation is not great, I would absolutely add the identity/reloading within `MyInitializableView`. Now the consumer of that API needs to know that this is how it's implemented and that it won't react to `name` changes.

2023-09-11 08:24:11

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@npub1kvt…0vtn I think the only thing I can think of is to either make the initializer very cheap or keep the object around (and not use State). The object gets recreated (and then thrown away) on every view update...

2023-09-11 08:02:32

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@npub16se…wex2 maybe you can make some Rakija out of it?

2023-09-10 17:43:11

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@npub16se…wex2 solid!

2023-09-08 15:06:01

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@npub1psf…th6u so many lakes to choose from!

2023-09-08 10:27:09

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@npub10l5…dw49 you can also use that technique to pass the view value to the coordinator.

2023-09-08 07:13:21

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@npub10l5…dw49 interesting. I think I would solve it something like this, not sure if this covers all the cases: https://gist.github.com/chriseidhof/cac0515afe0ba0c561f85f6c0f12786b

2023-09-08 06:54:51

If anyone has questions for today's SwiftUI Q&A let us know here: https://github.com/objcio/thinking-in-swiftui-qa/issues. Currently we only have one open question for tonight.

2023-09-07 18:22:37

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@npub14t8…jj6a hahaha!

2023-09-07 16:42:42

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@npub19p9…5m8f haha! Well I just ordered a new strap.

2023-09-07 16:31:23

We live very close to the lake, and today I finally dared to swim across (alone). I managed not to panic but almost did lose my watch (had to change from freestyle to breaststroke once it got loose). In the end, it took less than ten minutes to swim the 450m or so. My goal for next year is to do this while staying relaxed 😅.
https://objc.s3proxy.de/media_attachments/files/111/024/801/373/662/523/original/e39a00dfa641bb97.png

2023-09-07 11:43:13

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@npub1m0z…lfl7 yes! Do you happen to have some concrete samples of views you’d like to wrap where these problems apply?

2023-09-07 11:25:08

My next goal for understanding SwiftUI is to *really* understand UIViewRepresentable. If you have examples of stuff you can't get to work, I'd love to hear about it. I'm trying to come up with some rules and patterns so that we don't have to have all kinds of ad-hoc weird hacks to make representables work. I will write this up once I have the feeling I understand it well enough :)

2023-09-05 03:07:18

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@npub13qg…wawc thanks Chris!

2023-09-04 09:21:10

I created an annotated version of my talk at @npub16dy…asrq. If you don't enjoy watching a 30min video you can scroll through this: https://chris.eidhof.nl/presentations/day-in-the-life/. This was inspired by @npub1f6a…pnql (unlike Simon, I didn't add alt text to the slides just yet, wanted to get it out anyway).

2023-09-02 19:41:30

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@npub1h9t…wmjf yes, I think so too, although I haven't really researched it.

2023-09-01 10:27:10

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@npub1gqn…0pj6 @npub16dy…asrq that would be quite meta!

2023-09-01 02:51:14

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@npub1tca…e2y3 yes, I meant if Apple considers this a bug or not.

2023-08-31 17:48:58

Hey, it looks like my @npub16dy…asrq video is out! Here we go: https://www.youtube.com/watch?v=0tJ474kjGrc

2023-08-31 15:37:54

Here's another post about running code when your SwiftUI view appears: https://chris.eidhof.nl/post/swiftui-on-appear-vs-task/

2023-08-30 18:53:19

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@npub19p5…zyns thank you!

2023-08-30 07:06:50

I wrote a post about how you can visualize SwiftUI's safe area: https://chris.eidhof.nl/post/visualize-swiftui-safe-area/

2023-08-26 07:55:41

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@npub1e0x…d30u when I listened to them it started with Insomniac, but I stopped when they started doing ballads… just put on an old album again!

2023-08-25 12:14:12

It's time for our Thinking in SwiftUI Q&A session tonight. Tune in for the live stream at 6pm (CEST) / 9am (PST) here: https://www.youtube.com/watch?v=2JP0Of8PxyE
We'll cover the final chapter and will have a look at visualizing the safe area!

2023-08-25 08:08:03

Initially, SwiftUI was really under documented. While a lot of conceptual documentation is still missing (which is why we wrote our book), the API documentation is starting to get really good. It typically gives you a good quick overview and then shows helpful examples. Whoever has been writing this: great job! Here's one example of an article embedded in the API docs: https://developer.apple.com/documentation/swiftui/aligning-views-within-a-stack

2023-08-24 14:37:16

@npub1wv5…9d34 how hard is it to add support to Glean for another language (say, Swift?). I imagine it's easy to get something running but hard to really support everything fully? I've finally started catching up (a little bit) with what y'all do, looks really good!

2023-08-22 17:26:56

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@npub15de…ylmf maybe? I think most people I know who do therapy here only do it for a fixed time period!

2023-08-22 11:24:10

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@npub10ev…8zx9 oh I'll always suffer from the same problems, but it's more manageable at this moment.

2023-08-22 11:23:48

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@npub1x37…vdgu yeah I was struggling with concrete depression and now it's a bit less 🙃

2023-08-22 06:54:50

Finishing up another therapy stint, a few more sessions and I'm "done". It's so weird to tell a person all your deepest fears and problems. I think my therapist understands things not even my closest friends know, but then at some point in the next few weeks I might never talk with them again.

2023-08-22 03:55:16

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@npub19wv…ggfl haha! At the very least there should be a German word for this.

2023-08-18 10:19:30

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@npub1pmh…mxyd interesting… I will investigate!

2023-08-17 02:33:57

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@npub14ul…5zfx @npub1g98…4hcf thank you, was great meeting you!

2023-08-14 15:08:43

I was a bit behind on weeknotes due to holiday, but have started up again. Here are the weeknotes for weeks 29-32: https://chris.eidhof.nl/post/2023-32/

2023-08-14 10:39:09

Looking forward to my talk on Wednesday at iOSoho! https://www.meetup.com/iosoho/events/295354940/ . I'm in town until Friday, if anyone wants to talk SwiftUI or if your company is interested in SwiftUI workshops, let me know!

2023-08-13 16:24:23

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@npub1lqw…56wu yeah I bet if you go over every single onAppear you’ll find some more things like that!

2023-08-13 15:28:46

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@npub1lqw…56wu no way! What was the issue? Glad it helped!

2023-08-13 11:27:02

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@npub1e0r…l2t4 I’ll be speaking at iosoho. How’s Tuesday am?

2023-08-13 00:17:35

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@npub1e5g…euq6 not this year!

2023-08-12 22:40:55

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@npub1la5…jaad yes! I'm actually giving a talk on Wednesday evening at iosoho, anytime before that should work.

2023-08-12 22:32:04

Just got to NYC, and already burned my mouth on a pepperoni pizza slice. Am I doing New York right? In any case, if anyone wants to meet up, let me know!

2023-08-11 16:08:46

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@npub1k8j…ymwg ja het is echt anders hier. Ik zou zo’n artikel ook heel graag willen lezen!

2023-08-09 03:13:12

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@npub19et…jx5h thinking of you. See you tomorrow.

2023-08-08 05:25:41

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@npub1lu6…2hvm nice!!

2023-08-07 13:04:13

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@npub1gqn…0pj6 das video kannte ich nicht, krass!

2023-08-02 07:59:00

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@npub12en…q79g lmk if you need me to send bulbs!

2023-07-04 10:02:45

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@npub1src…fms4 @npub10ev…8zx9 I don't think I've seen anyone smoke indoors in Germany in the last ten years myself. I know it happens in some bars. It also happens at the train platform sometimes (although I'm pretty sure it's forbidden?).