Recent questions tagged iOS

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ios - Order two NSMutableArrays based on one

I have two NSMutableArrays. The content of the first is numerically, which is paired to the content of the ... 20 Test20 45 Test45 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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ios - Tap Gesture on animating UIView not working

I have a tap gesture on a UILabel who's translation is being animated. Whenever you tap on the label during ... easy, you just override hitTest. 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 - UIScrollView pauses NSTimer while scrolling

I have a UIScrollView that has a series of labels which are rapidly updating numbers (every .06 seconds). While ... state of the scroll view? 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 - Can I access an xcassets directory on the filesystem?

I would like to dynamically load all images in an xcassets directory. The files are named StockPhoto# where # ... on this is sparse. 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 - play audio from internet using AVAudioPlayer

I am implementing AVAudioPlayer to play audio and it works perfectly well while playing files locally stored in the ... could be done? 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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ios - viewDidLoad is called twice

My viewDidLoad in a view controller is called twice. Once by [UIViewController View] and a second time by [UINib ... ? Can it be prevented? 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 - Replace a particular color inside an image with another color

I have one "room" image. Now, user will click on any particular color suppose blue color in image. And also ... in iPhone? Help is 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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ios - NSURLSessionDataTask dataTaskWithURL completion handler not getting called

I have been learning Objective C lately, and I decided to try connections. Everything was great with NSURLConnection, ... . 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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ios - Xcode 4.2 SIGABRT Error

Everytime I run my app on the iPad simulator, it works flawlessly. But, when I run it on the iPhone ... auto; currently objective-c (gdb) 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 - MFMailComposeViewController Crashes because of Global Appearance Properties on iOS6

I am getting the following crash when I present a MFMailComposeViewController: 2013-11-08 11: ... without crashing MFMailComposeViewController? 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 - AVSpeechSynthesizer output as file?

AVSpeechSynthesizer has a fairly simple API, which doesn't have support for saving to an audio file built-in. ... ? Or something more efficient. 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 - How to use UnsafeMutablePointer in Swift 3?

I have the following code written in Swift 2.2: let keyData = NSMutableData(length: 64)! SecRandomCopyBytes( ... code into Swift 3? 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 - Determinate finish loading website in webView with Swift in Xcode

i'm trying to create a webapp with swift in xcode, this is my current code: IBOutlet var webView: UIWebView! var ... )? (Sorry for my English). 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 - How to detect edit mode on iPhone UITableView

For my iPhone app, I have an editable (for delete) table view. I'd like to be able to detect that the ... corner when in delete mode. 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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ios - How reliable is KVO with UIKit

Important: Not all classes are KVO-compliant for all properties. You can ensure your own classes are KVO- ... this would be 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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358 views

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ios - Marking some XIB/Storyboard strings as not localizable

I am using Base Internationalization for XIB/Storyboard files and the "Export for Localization" method using XLIFF files ... way to do this. 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 - Combine Two String in different Language RTL & LTR

I have two text, one in Hebrew language and one in English. In first text I have date that is in Hebrew ... wired situation. 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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ios - Is there a simple way to edit / modify a UILocalNotification

Is there an easier way to edit, for example, the alertBody property of an already scheduled UILocalNotification ? For ... time to execute... 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 - How long does Apple permit a background task to run?

I have to upload an array of image files to database, therefore, I stumbled upon Apple's background execution ... little extra time precisely? 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 - Can somebody give a snippet of "append if not exists" method in swift array?

Because I use this routine a lot, can somebody create an extension method of Swift array which will detect ... extend them properly. 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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263 views

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ios - Swift optional chaining doesn't work in closure

My code looks like this. My class has an optional var var currentBottle : BottleLayer? BottleLayer has a method ... thoughts about it? 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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263 views

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ios - unexpected non-void return value in void function in new Swift class

I'm just starting to learn about Object Oriented, and I've begun writing up a user class that has a method ... this case. Thanks for any 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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ios - setting image for UIBarButtonItem - image stretched

When I try to use UIBarButtonItem's "initWithImage" to initialize a navigation bar custom image, it comes out washed- ... set of icons I bought. See Question&Answers more detail:os...

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

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292 views

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ios - What is the swift equivalent of makeObjectsPerformSelector?

In Objective-C I'm using this code to remove any sub-views: [self.view.subviews makeObjectsPerformSelector:@selector( ... sub-views in swift? 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 - Multiline UIButton and autolayout

I have created a view controller that looks like this: I want the two top buttons to always have 20 points ... the left button needs two lines? See Question&Answers more detail:os...

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

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138 views

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ios - How to make offline database for my app?

I am getting problem in consuming RestAPI and saving offline data. Is any one have best ideas about this. ... . like Firebase realtime Database. See Question&Answers more detail:os...

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

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354 views

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ios - Receive accelerometer updates in background using CoreMotion framework

I'm using the following code to get accelerometer data (using CoreMotion framework): CMMotionManager *motionManager = ... music is not playing? See Question&Answers more detail:os...

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

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323 views

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ios - UIImageJPEGRepresentation received memory warning

I receive a memory warning when using UIImageJPEGRepresentation, is there any way to avoid this? It doesn't crash ... ] openURL:url]; } See Question&Answers more detail:os...

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

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