Recent questions tagged iOS

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ios - dequeueReusableCellWithIdentifier never returns nil

I am using a custom UITableViewCell in my UITableView but the problem is that the cell is never nil when calling the ... ]; } return cell; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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289 views

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ios - Get Timezone/country from iPhone

Is there anyway to tell which timezone/country the phone is located in? I would prefer not to use location ... to their call center. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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440 views

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ios - Swift 2.2 #selector in protocol extension compiler error

I've got a protocol extension it used to work perfectly before swift 2.2. Now I have a warning that ... How can I implement this correctly? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - navigationController.navigationItem vs navigationItem

Just curious, why setting self.navigationItem = ... works, but self.navigationController.navigationItem fails? The same ... the bar i wanted? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios simulator - SpringBoard failed to launch application with error: -3

I'm getting an warning as 'SpringBoard failed to launch application with error: -3'. This happens when trying to run application in Xcode 5. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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647 views

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ios - ITMS-90809: Deprecated API Usage - existing app that use UIWebView are no longer accepted

ITMS-90809: Deprecated API Usage - Apple will no longer accept submissions of new apps that use UIWebView as of ... I need to change UIWebView? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Unable to simultaneously satisfy constraints Warnings with AVPlayerViewController embedded in storyboard

I'm trying to set up an AVPlayerViewController completely through storyboards by embedding in a separate View Controller. ... .right == UIView:0x7f932585fbc0.right - 14>",...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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233 views

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ios - Is it possible to add custom text in NSDateFormatter's format string?

Suppose I want the date to look like this: |1988|December|30| How can add these to the dateFormatter or for ... by just setting the format ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Adding unlimited lines in a Text (SwiftUI)

Just figuring out how I can achieve multiple lines of text in a Text. It seems like the Text has the same ... for instance. With just a 0? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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420 views

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ios - Swift Error: Editor placeholder in source file

Hello I am implementing a graph data structure. When I try to build the application the I get the error "Editor ... I am relatively new to OOP. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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172 views

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ios - Uploads using backgroundSessionConfiguration and NSURLSessionUploadTask cause app to crash

I'm trying out the new fancy iOS 7 background uploading using NSURLSessionUploadTask and it seems to work when I ... needed! Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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254 views

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ios - Apple Watch - only getting data if app on phone is active

I have developed and deployed our Apple Watch Extension App using the simulator. It's been approved and is ... bitten me. Many thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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168 views

1 answer

ios - How to write output of AUGraph to a file?

I am trying to write (what should be) a simple app that has a bunch of audio units in sequence in an AUGraph ... a file? Thanks for the help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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303 views

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ios - Add a text overlay with AVMutableVideoComposition to a specific timerange

I have found a few examples that show how to add a text overlay on a video. Ray's Tutorial - http://www. ... Export Waiting"); break; } }]; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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236 views

1 answer

ios - Fonts not displaying in Interface Builder

For some reason many of the fonts will not display in Interface Builder when I am designing my iPad app. Unfortunately ... team :( Any ideas?! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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379 views

1 answer

ios - Swift how to use NSTimer background?

class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() var timer = NSTimer. ... background with swift @matt See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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344 views

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ios - Can I use multiple segues with one UITableViewDelegate?

I have a UITableView listing multiple types of objects, and I'd like to segue to a different view depending on which ... , and, if so, how? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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266 views

1 answer

ios - Rotate sprite by touch with a limited rotation speed

I'm trying to make my spriteNode rotate over finger touch. So far I can do it, but what I want is ... your game, see Advanced Scene Processing. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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435 views

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ios - Apple Push Notification in Background Issue

I'm using parse.com as my APNs provider for a test app I'm building. I've confirmed that push ... trying to perform an API request. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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417 views

1 answer

ios - Removing WKWebView Accesory bar in Swift

I am trying for a few days now to get this converted into Swift without really having much background with it. ... and hopefully get an answer. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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373 views

1 answer

ios - iPhone Detect Volume Keys press.

I need to detect when the user presses the hardware volume keys, (App Store safe approach) I have tried ... tips would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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244 views

1 answer

ios - How to convert xcode 32 bit app into 64 bit xcode app

I have updated xcode as 6.1 version with ios 8.1.I want to make settings in build settings of project ... using terminal command. Thanks.. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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162 views

1 answer

ios - Optional binding succeeds if it shouldn't

This is what I posted as a possible solution to Traverse view controller hierarchy in Swift (slightly ... Release and Debug configuration. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

1 answer

ios - Nearby Bluetooth devices using Swift 3.0

I'm looking for a way to programmatically list any nearby Bluetooth devices (discoverable) that my ... current.needsIndefiniteExecution = true See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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329 views

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ios - Universal Links not working on iOS10

Just updated my iPhone to iOS10 and the Universal links stopped working. If I run my app in an iPhone with iOS9, ... at all in iOS10. Any clues? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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392 views

1 answer

ios - Swift: Gradient along a bezier path (using CALayers)

I have a relatively straight forward implementation of a progress view set up with CALayer objects. The progress ... would be great, thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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274 views

1 answer

ios - How do I control AVAssetWriter to write at the correct FPS

Let me see if I understood it correctly. At the present most advanced hardware, iOS allows me to record at the ... and displayed on the screen. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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185 views

1 answer

ios - Android Toast in iPhone?

When I write Android apps, I love the Toast feature. Is there a way to get this kind of set and forget ... using MonoTouch (C# .NET)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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