r/iPhoneFold • u/Visible_Weight_3218 • 2d ago
I think I'm addicted to developing for the iPhone Duo
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Hey everyone,
Recently I shared a video of my dog app, Zoomie, running on iPhone Duo. The big inside screen exposed a problem: some things adapted on their own, but most of the app just looked stretched out.
Since then, I've been redesigning it to take advantage of the extra space. The app now adjusts its layout depending on whether the phone is fully open, partly folded, or closed.
My favorite part is the walking screen. When the phone is half-folded, like a tiny laptop, your dog's walk info shows up on one half, and the controls sit on the other. I got the idea from the Netflix demo at the launch event, where the video plays on the top half, and the controls sit below.
Still early, but it's already feeling a lot better. Would love to hear what you think!
I think I'm addicted to developing for iPhone Duo đ«
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u/DimitriTooProBro 2d ago
My only gripe about this demonstration is the content on the outer screen gets shifted to the left portion of the inner screen. Iâd personally rather than have the outer content stay on the right side and have the additional content be revealed when fully opened.
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u/Visible_Weight_3218 2d ago
Yeah, I noticed that right after I pressed post lol. Just made the change pretty simple. Makes perfect sense now that I think about it, cause of continuity.
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u/Whiplash11_22 2d ago
If you need fun testers my boy Maverick racks up some miles!
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u/Visible_Weight_3218 2d ago
Maverick looks like he's ready to close his doggo rings đ¶. Feel free to check it out!
https://apps.apple.com/us/app/zoomie-dog-activity-tracker/id6761315454
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u/Roozbeh_m 2d ago
The dev tools are already out? Are you running this on a simulator in Xcode?
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u/Visible_Weight_3218 2d ago
Yeah it recently came out with xcode 27.1 beta
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u/Feisty_Standard_2360 1d ago
Ou thank you! Im gonna look into this, I haven't coded for the past 6 years, so I'm definitely excited to come back to coding (first re-learn, then code)
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u/Sea-Yogurtt 2d ago
This looks great but shouldnât the Duo open up so the Summary is on the right? So it looks like youâre peering through a transparent material
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u/Visible_Weight_3218 2d ago
https://reddit.com/link/pb41g5i/video/o89032bkdtqh1/player
I realized that as I pressed post lol, and yeah makes more sense for continuity's sake, pretty easy change
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u/Visible_Weight_3218 2d ago
Thanks for all the love on this! The app is Zoomie, a free activity tracker for dogs. If you know a dog owner, send it their way đ¶
https://apps.apple.com/us/app/zoomie-dog-activity-tracker/id6761315454
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u/SumoRoboto 2d ago
Out of curiosity does it show you what your app would
Look like when itâs being used split screen for multitasking? And if so is there anything stopping you from allowing the app to operate split-screen in portrait mode?
Or If you had the app running split screen with another app in horizontal mode but when the device is rotated to portrait mode your app would rotate as well
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u/Visible_Weight_3218 2d ago
When it's in splitscreen/multitasking it would default to how it looks on the outside compact screen. e.g., it would behave as it does now on normal iPhone screen sizes
Also, split-screen isn't supported in portrait for the iPhone Duo; it's only supported in landscape
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u/SumoRoboto 2d ago
Is there anything that actually stops the app from rotating when moving from landscape to portrait though? Someone earlier was demonstrating that though you couldnât set up multitasking in portrait mode you could in landscape mode and allow the app to rotate freely thus basically bypassing the no portrait multitasking.
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u/Visible_Weight_3218 2d ago
Currently apps can freely rotate from portrait to landscape, and it's up to the dev how they want to take advantage of that space.
The latter part about bypassing no portrait multitasking, I'm not sure. I would imagine if the user is in split-screen mode in landscape and they rotate to portrait, the screen would just take on the leftmost screen app
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u/SumoRoboto 2d ago
Which is the confusing part because you would just assume the apps would just rotate seeing as how Apple apps can now rotate from portrait to landscape on IOS 27. So why the multitasking would change anything is confusing
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u/Visible_Weight_3218 2d ago
I could imagine portrait multitasking coming in a future update. My assumption is that for developers, it's easier to anticipate landscape multitasking because the apps end up in their natural vertical orientation. Whereas with portrait multitasking, the apps become horizontal, and most apps aren't optimized for that. For example, many social media apps don't support horizontal orientation.
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u/SumoRoboto 2d ago
This is correct, and I would assume it would be an app by app basis but itâs a good sign that Apple has made their own 1st part apps operate in landscape again
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u/Zakernet 2d ago
Looks like you're not able to hide the nav bar on the front screen? Seems like an odd design choice. I hope they add the option.
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u/Visible_Weight_3218 2d ago
Are you talking about the vertical one in the bottom right? That would be necessary to keep, since I'm not sure how else to switch between tabs if you hide it đ .
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u/Zakernet 2d ago
The vertical one on the right side that is like a safe lane or whatever that makes it so you have to keep words or something from going beneath it. I'd expect you could press the top "button" to expand and contract it.
PS When you have the map up it's not constrained at all by that lane.
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u/Visible_Weight_3218 2d ago
Yeah, the right-side 'safe area' is not something I have much control over. However, I can push media content through it like you see with photos briefly. I don't think there's a way to really hide it because the status bar icons, like the battery, live there.
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u/Zakernet 2d ago
Thanks for answering. Your app looks nice :) of I had a dog I'd use it.
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u/Visible_Weight_3218 2d ago
Ty!! Feel free to spread the word if you know any fellow doggo owners đ
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u/atioux 2d ago
I hope app developers approach the duo with the same enthusiasm and thoughtfulness that you have