Recent questions tagged iOS

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ios - Xcode 5 says tests failed but shows green checkmarks

I have written a few unit tests in the new XCTest framework of Xcode 5. The tests seem to pass successfully most ... . What's going wrong here? 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 - Changing the Tint Color of UIBarButtonItem

I have a project using Storyboards and whenever I push a view controller with a segue, the dynamically created ... s always the default blue. 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 - The app's Info.plist must contain an NSMicrophoneUsageDescription key with a string value explaining to the user how the app uses this data

Got a build rejection The app's Info.plist must contain an NSMicrophoneUsageDescription key with a string value ... the due diligence though? 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 - UICollectionView's cell registerClass in Swift

Right now I'm using NSClassFromString, but is there a better way to get an AnyClass! from a ... , forCellWithReuseIdentifier: "MyCoolViewCell") See Question&Answers more detail:os...

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

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479 views

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ios - How can I remove all nil elements in a Swift array?

Basic way doesn't work. for index in 0 ..< list.count { if list[index] == nil { list.removeAtIndex(index) ... cause array index out of range } } See Question&Answers more detail:os...

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

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449 views

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ios - Find nearest point in polyline/path

I need to find nearest point from given CLLocationCoordinate2D on array of GMSPolyline. I can convert this to ... answer here when found. See Question&Answers more detail:os...

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

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385 views

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ios - Unable to sustain a Constant Speed while Uploading files in the background with NSURLSession

I am trying to upload some 100 images to S3 in the background with AFURLSessionManager in small batches of 10 like what ... I would want to be. 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 show the TableView (like dropdown) on Button Click in iPhone?

I have tried this code. http://www.mediafire.com/download/bvoqrkn82sd6az9/tablesample.zip ..Here, It will ... appreciated. 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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286 views

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ios - draw line on MKMapView with pattern image

I try to draw a line on a MKMapView with a pattern image. The drawing is done by adding a custom MKMapOverlay ... Any idea what's wrong? Thanx! See Question&Answers more detail:os...

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

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500 views

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ios - Floored by new rejection on non renewable subscription type in app purchases in iphone?

I have an Iphone application in which i am trying to implement non renewable subscription.I had done ... implement nonrenewable subscriptions ? See Question&Answers more detail:os...

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

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650 views

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ios - Custom UIPageControl with dot images

When I needed to custom my UIPageControl I used this and this solution. Slightly modifying it for the new version ... could i be doing wrong? See Question&Answers more detail:os...

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

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337 views

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ios - Access device music files from iPhone app programmatically

I want to access music files which are available on the iPhone and get it listed (or) get the file ... delegate methods. Thank you! See Question&Answers more detail:os...

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

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329 views

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ios - Add private key to certificate or vice versa

the problem is, that I want to create a new private/public key pair for a new App. So i followed the ... in this issue? Thanks Br Nic See Question&Answers more detail:os...

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

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309 views

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ios - Add UICollectionView in UICollectionViewCell

I am using Swift to build an iOS application for the Hospital I work at. Somehow, in a specific feature I have ... please help me how to do 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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618 views

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ios - How to load animated GIF from photo library

In iOS Swift I'm having difficulty loading an animated GIF from the device photo library to a UIImageView ... ALAssetsLibrary for 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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272 views

1 answer

ios - Intangible Order of Execution (dispatch_semaphore_t, dispatch_group_async) and the Use of Them in Combination with Different Dispatch Queue Types

I just took some time in the evening to play around with GCD, especially with dispatch_semaphore_t because I never ... enlighten me 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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312 views

1 answer

ios - How to configure different layouts for Portrait and Landscape Orientations using Auto Layout?

I have a view like in attached image Now I am adding constraints such that the UITextview in the view has ... that how. Any suggestions please. See Question&Answers more detail:os...

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

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741 views

1 answer

ios - Applying a CIFilter to a CALayer

CI Filters are now available in iOS 5, and I'm trying to apply one to a CALayer, the way you'd do it on ... fine, but the filter isn't applied. See Question&Answers more detail:os...

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

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468 views

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ios - Converting NSString into uint8_t

I am working on data encryption sample code provided by Apple in the "Certificate, Key and Trust Programming guide". ... seem to work for me. See Question&Answers more detail:os...

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

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253 views

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ios - Converting uiimageview to pdf - Swift

I am trying to create an iOS app using swift that will let the user either take a photo or choose an image from ... that can be recreated. } } See Question&Answers more detail:os...

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

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612 views

1 answer

ios - Swift 4 Attempt to present ViewController whose view is not in the window hierarchy

I am using swift 4 and I am trying to create an alertView when I there is an error while signing up a user ... same issue but none seem to work. See Question&Answers more detail:os...

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

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335 views

1 answer

ios - How to get data from blocks using NSURLSession?

I have problem with this block. I trying to get the data inside the block of NSURLSession. here's my ... inside the blocks of NSURLSession? See Question&Answers more detail:os...

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

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250 views

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ios - Copy Callout in UICollectionView

I have a UICollectionView with UIImageView in each cell, now I want to add Copy Callout, like in Photos. ... could you implement this feature? 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 get photos of a facebook album in iPhone SDK?

I am developing a iPhone application which get facebook album with this URL https://graph.facebook.com/me/ ... appreciated. 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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635 views

1 answer

ios - Make a list scroll to bottom with SwiftUI

I have a list and when I insert an item, i want to the list to scroll to the bottom automatically when ... }.animation(Animation.easeOut) } } 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

1 answer

ios - Audio Player play in background and should work based off of hardware mute switch

I want to play audio file in the foreground, background and it should work with mute switch i.e. if mute ... mute when hardware switch is ON See Question&Answers more detail:os...

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

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308 views

1 answer

ios - Storing game preferences and saved games in a secure format

This is from Apple docs: When you design a game that reports scores to Game Center, you should also consider ... used to store sensitive data ? See Question&Answers more detail:os...

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

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401 views

1 answer

ios - Navigation bar becomes white when a UISearchController is added to it

When I add a UISearchController to a UINavigationItem from an UINavigationController; it becomes white when the view ... needs to be fixed? See Question&Answers more detail:os...

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

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