Recent questions tagged iOS

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ios - Preventing AVCaptureVideoPreviewLayer from rotating, but allow UI layer to rotate with orientation

I have two view controllers. One is the root VC and contains the UI interface such as the record button. On this ... didn't work for me. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How do I launch my settings bundle from my application?

I am working on adding in a settings bundle for my application as a cheap way of getting a GUI on my ... via the built in settings application? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Sprite kit sprites loading performance improvement

I am making a sprite kit game and I am using the plist file to set properties of each level. One of the ... know how to reduce this lag time? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift- custom UITableViewCell delegate to UIViewController only one protocol works

In the application, I have custom protocols that my UIViewController conforms to. I have a custom tableViewCell class ... but second does not? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - XCode 6.3.1 crashes while renaming project

I am using Xcode 6.3.1 for developing an iOS game using cocos2dx 2.2.6. I need to change the name of ... iOS project I would be grateful. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to make a Button continually call a function when held down (SpriteKit)

I'm making a game using sprite kit and I want my Character to move across the screen when you hold down the ... ) self.player.run(moveAction) }) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Parsing JSON (date) to Swift

I have a return JSON in my application in Swift, and have a field that returns me a date. When I refer ... with Objective-C, without success. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - UISplitViewController on iPad with Storyboards?

In Xcode, how can I create a simple iPad application that uses Storyboards such that the DetailView controller is ... changing the Detail View. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - A lighter way of discovering text writing direction

I want to determine the writing direction of a string so that I can render Right-to-Left languages such as Arabic ... got to be iOS 5 friendly. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift 3- How to get button in UICollectionViewCell work

I am trying to implement an Edit button inside a cell. Please refer to image: What I done so far: ... root problem is from view hierarchy. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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261 views

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ios - I can't import Python modules in Xcode 11 using PythonKit

I am now using Swift Package Manager. Using that, I imported PythonKit into my Swift project. I can't ... PythonKit/PythonLibrary.swift, line 40 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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192 views

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ios - Get ping latency from host

I'm trying to get the latency from host for a pretty good time and I'm stuck in. Already tried Simple ... tried many others and got nothing. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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311 views

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ios - UIPageViewController gesture is calling viewControllerAfter: but doesn't animate

I have a really interesting issue with UIPageViewController. My project is set up very similarly to the ... bug with the UIPageViewController. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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514 views

1 answer

ios - CAShapeLayer Animating Path Glitches / Flickers (From Ellipse to Rect and back)

I am running into an issue when I create an explicit animation to change the value of a CAShapeLayer's path from ... : http://vimeo.com/37720876 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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515 views

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ios - Xcode 7 Beta 6, dyld ___NSArray0__ crash

For the first time I was able to compile my app in Xcode 7 (failed in beta 4 and 5). So, thats good ... ? Look forward to some advise. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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344 views

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ios - How to default UILabel Font and Size using Swift

I find UISegmentedControl change font and size like this : UISegmentedControl.appearance().setTitleTextAttributes(myFontAttribute as ... I do ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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188 views

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ios - XCode5 simulator: unknown option character `X' in: -Xlinker

I am currently blocked by a linker error which happens ONLY on XCode5 (XCode4 compiles fine) and ONLY on the ... the bottom of this. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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330 views

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ios - SwiftUI ForEach index out of range error when removing row

I have a ForEach block and a Stepper embedded in a List view. The contents of the List view's ... error happening in RecordDetailView.swift. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

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ios - MKAnnotationView and tap detection

I have a MKMapView. I added a UITapGestureRecognizer with a single tap. I now want to add a MKAnnotationView ... annotation, it only responds? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

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ios - iPhone MKMapView - MKPolygon Issues

I am trying to plot a MKPolygon on a MKMapView in iOS 4.0. I have an NSArray which contains custom ... someone shed some clarity on this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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187 views

1 answer

ios - App running on iPad while its iPhone-Only

I made an iPhone App with Xcode. The devices setting is set to "iPhone". But in iTunes Connect it is ... EDIT: Picture from resolution center: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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216 views

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ios - How to check text field input at real time?

I am writing validation for my textfield, I found something interesting that whether I can check how many digits I ... me, thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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463 views

1 answer

ios - Convert PDF to UIImage

func drawOnPDF(path: String) { // Get existing Pdf reference let pdf = CGPDFDocumentCreateWithURL(NSURL(fileURLWithPath ... down how to possible See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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369 views

1 answer

ios - Swift UnsafeMutablePointer<Unmanaged<CFString>?> allocation and print

I'm new to swift and I have some difficulties to deal with pointers of unmanaged CFString (or NSString). I' ... Thank you for the precious help See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

1 answer

ios - How to open a Link to a PDF with wkwebview

I created a simple iOS app, which opens a URL with WKWebView. On the website, there is a link to a PDF ... to put something into my info.plist? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

1 answer

ios - UITextField blurred text

I am having a problem with a UITextField's text being blurred/anti-aliased even with a standard font size. The ... know how to fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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389 views

1 answer

ios - Game Center login dialog not shown again after cancelling it for the first time (iOS7)

I have a problem with logging a user to the Game Center. I first present the login dialog right after the ... anyone know how to fix this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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223 views

1 answer

ios - Game Engine Collison Bitmask... Why 0x01 etc?

Coming across this situation both in Sprite Kit (iOS Development) and in Cocos2d-x (which I know was pretty ... CS training wouldn't understand? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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