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Questions tagged [wwdc]

WWDC stands for the Worldwide Developer's Conference, a conference for iOS and OS X developers held by Apple in San Francisco, in the Moscone West convention center.

WWDC is an abbreviation for the Worldwide Developer's Conference, a conference for and developers held by Apple in San Francisco, in the Moscone West convention center.

The opening keynote by Apple's top executives often is the announcement place of multiple software and hardware announcements . The Presidio, the room in which these announcements are made, seats over 5,000 people.

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What are the best wwdc videos to watch regarding performance optimization?

There are are plenty of videos in Apple WWDC page touching on various topics regarding iOS, Mac OSX, Safari etc. I've seen some Apple WWDC videos, but I want them in categories; like all In-App Purchase videos in a particular section etc. Is there…
iPhone Developer 2011
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What technique did apple use to demo code in xcode on WWDC 2011 ?

There are lots of WWDC 2011 video in apple's developer website. And in the video, there are some demo about coding in xcode. The magic thing is: In these demo, the speakers didn't type the sample code one by one. They just press some keys in xcode,…
tangqiaoboy
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Submitting iPadOS 15 Updates Before Public Release

Right when iPadOS 15 is released in the Fall, I'll want to support the new large widget and a few of the other iPadOS 15 specific features. I'm working on them now in the Xcode 13 Beta, but to give these features out to users on launch day, can I…
fphelp
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Unable to add devices to provisioning portal via Xcode since WWDC

I've recently added multiple devices via Xcode Organizer to my provisioning portal, but the devices do not show up in the list of devices when I go into the provisioning portal. The devices also don't receive any of the provisioning profiles that…
JamesParker
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Save password in preferences under "Accounts & Passwords"

At WWDC Apple presented the AutoFill feature for iOS Apps in a presentation. It is fairly simple to set up and works really well. If the user entered a password in safari and saved it. However, if the user never used Safari, but only the app,…
gebirgsbärbel
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In photoscroller app (iPhone WWDC-104 Photos App) uiscrollview images shift to right when called using presentModalviewController

I have seen the WWDC-104 video showing UIScrollView for photos. I have downloaded the Sample code too. In my app the Structure is as follows, (Root Class)Class A ---> Class B -----------> PhotoViewController(Containing ScrollView) I am calling the…
Roger_iPhone
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Has anyone figured out how to "Shareplay via Airdrop"?

I would like to add a functionality to my app similar to this WWDC video: https://developer.apple.com/videos/play/wwdc2023/10239/ (6:42) I've already implemented a GroupActivity via a FaceTime call similar to the "Draw Together" app example but I…
AppsRD
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WWDC ResearchKit + CareKit - Thread 1: Fatal error: Failed to extract answers from check in survey

Good morning everyone - hope everyone is doing well! I am learning to use ResearchKit and CareKit from the WWDC code-along. The pre-completed code-along file works great. The way they have it set up is there is a survey with a couple of sliding…
Fitz
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SwiftUI ShareLink sheet does not have save to album option

Using SwiftUI's new ShareLink, with a photo. The Share sheet does not have save to album option. Does anyone know how could I get that option, because I need to save an image to the photo library. As you can see on the screenshot below, it only has…
Legolas Wang
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Nearby Interaction Framework unsupported in iOS 15 with iPhone 13

Hello Devs, I have been working on Nearby Interaction Framework from Apple. Download sample project from Apple. Since Nearby Interaction Framework works on Simulator iOS 14 or later. But I am unable to run on iPhone 13 iOS 15.0 Simulator and…
Kudos
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Implementing Messages - shared with you feature on iOS15

iOS15 has a new shared with you feature on apple's apps- safari, apple news, music, movies, etc. For example, if any of my friends share the news link from apple news to me on apple messages, when I open the Apple news and scroll to the home page I…
adee
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error: Couldn't lookup symbols: nominal type descriptor for Swift.Task.Handle trying async/await with Xcode 12.5 beta / Swift 5.5

I'm trying to figure out how to use async/await in a Playground using Xcode 12.0 beta / Swift 5.5, but am getting an error every time. Here's my entire playground code, which is probably wrong: import Cocoa import Foundation if #available(macOS…
drewster
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isPlaceholder modifier not available and not working in widget kit + SwiftUI

I am following the widgets code along Fromm wwdc 2020 and in the first part they mentioned using the new Placeholder api with .isPlacholder. So I tried implementing it in my widget like this: struct PlaceholderView: View { var body: some View { …
Arnav Motwani
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Starting View on WatchOS

I'm creating a watchOS app and want to choose the starting view to be the home screen's child. A WWDC20 video (time: 13:50) called it "hierarchical navigation" and showed an example, but did not provide any code. I've been looking around on how to…
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How to get ECG Voltage Measurements HKElectrocardiogram.VoltageMeasurement iOS 14

I'm trying to get the individual voltage measurements of an ECG back from Apple HealthKit using new APIs in iOS 14. I've already managed to use: let ecgQuery = HKSampleQuery(sampleType: HKObjectType.electrocardiogramType(), predicate:…
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