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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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How to connect API as data source in Tableau?

I need to use two data sources. One is SQL and another one is the response from a rest API. I tried to implement WDC, but it needs an HTML and user need to interact with UI and getting the response. But I don't want to create a html page. Is there…
Ashwanth Madhav
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How do I move a block of code with the mouse in Xcode, drag and drop style

How do I drag blocks of code, specifically SwiftUI views, around with my mouse in Xcode? In this video https://developer.apple.com/videos/play/wwdc2020/10033/ about making widgets in swift, the author drags a block of code with his mouse. Between…
Tom Schulz
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FocusedValue / FocusedBinding not working on iPad

Aim To use a keyboard shortcut on a Multiplatform app (iOS and macOS) When keyboard shortcut is tapped, the price needs to be printed Problem The same code doesn't work on iPad but works on macOS Question: Why is not working? How to fix…
user1046037
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How to write a UIKit app incorporating the GroupActivities framework

I have watched Apple's WWDC 2021 video on how to write an iOS app with custom group activities, link here. After watching this video I tried to write a simple app of my own, using UIKit instead of SwiftUI. It's a simple app that uses a UIAlert to…
Ahmad Shah Sahar
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how to resize a view in live playgrounds ?? Xcode

I am planning to create a live playground for coming wwdc scholarships but I have no experience in creating live playgrounds because I have worked with single view apps so far I actually don't know what size should be the view in my playground and I…
Yuvraj Agarkar
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iOS 14 Widget placeholder redaction size and positioning mismatch

I was going through the WWDC 2020 Widget Code Along and I noticed that when they preview the widget placeholder in the video the redaction generates nicely. But whenever I preview or run the widget, the placeholder positioning is all wrong. From the…
shim
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How to override scrolling behaviour when dragging a cell of collection view using drag & drop delegates?

I have implemented a collection view with drag and drop delegates as described in WWDC 2017 Drag Drop Collection View. The purpose of my collection view is to reorder within its cell. Now, here's my problem I want to make it scroll automatically…
Sifatul Islam
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How do I create a UISplitViewController in SwiftUI without grouped table style?

TL;DR SwiftUI's UISplitViewSplitView controller setup is grouping my table view. Why? struct ContentView: View { var body: some View { NavigationView { List(0..<5) { value in HStack { …
Dustin Pfannenstiel
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How to test swift-playground with AR on Mac if I don't have iPad?

I wanna make AR app for WWDC Scholarship 2020. And the problem that I dont have IPad to test works AR or not in playground. How I can test my playground project on my mac?
rrakhlin
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In what sense do URLSession delegate messages "respect your QoS"?

Take a look at this WWDC 2018 video: https://developer.apple.com/videos/play/wwdc2018/714/?time=1897 At about 31:30, we see a slide and hear a narration that says we can call a URLSession's task's resume on a background queue, and that the quality…
matt
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Notarize review process for iOS app | WWDC

I was checking WWDC-2018 (Platforms State of the Union event for developers). Apple outlined a number of new protections that are coming to the Mac OS Mojave and iOS 12. One of the points was notarization review of Mac OS application before…
Fayza Nawaz
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Force Swift Playgrounds (xcode) to Use MacOS SpriteKit without Simulating iOS

I've been working on a Swift Playgrounds project in xcode for the past week as a WWDC scholarship submission. I'm almost done, but I couldn't seem to figure out why the project was running with such a low framerate. However, in this scholarship…
Dowland Aiello
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Querying for vo2Max in HealthKit?

At WWDC 2017 Apple announced the addition of vo2Max as new quantity sample. What variables must be in place in order to return vo2Max samples? Per the Health App under Vo2Max "Apple Watch Records your predicted vo2Max when you do a rigorous…
GarySabo
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Double tap on some specific subviews with UIGestureRecognizer subclass?

I followed the session's demo of the 121 WWDC 2010 (Advanced Gesture Recognition) to find a way to have all behaviors (rotate, scale, translate) on an other class (TransformGestureReconizer) and all goes well and do this for the subviews: -…
Rufilix
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Graphical interface in swift playgrounds

This year WWDC scholarship applications require people to submit Playgrounds instead of complete applications. Can we create views and other animations just like we do it in a normal iOS app (without using the storyboard obviously)? Can we use the…
Anant Sinha
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