Recent questions tagged IOS

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ios - How to analyze stack trace info of a thread?

I'm trying to monitor performance of my app; When cpu usage overloads, I dump the stack trace of the suspicious ... the stack trace of a thread? 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 - Get attribute of viewcontroller created with storyboard

I'm currently learning swift and I'm trying to learn of instanciation from storyboard works, but the error I'm ... that can help): The error 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 - Waiting for Asynchronous function call to complete

I know this question has been asked before, but all solutions do not work for me. I have a function with ... (String(response.result.value!)) 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 - CLLocationManager delegate methods are not getting called(google maps is integrated)

The delegate Methods of CLLocationManager didChangeAuthorizationStatus and didUpdateToLocation are not getting called. Location Always ... } } 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 - iPhone 6/6+ Screen size issue

This is driving me crazy. After doing the necessary things, on iPhone 6 simulator, I am getting correct self.view ... on simulator. 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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ios - change button image when play completes swift

sender button changes when i click play button but when i click another button in the tableview the button first ... UIControlState.Normal) } } 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 - Please clear some confusions regarding UIViewController

Please clear some confusions regarding UIViewController I found this article Abusing UIViewController and here are the ... the correct way? 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 parse this json in swift?

I have a request Alamofire.request(.GET,HttpHelper.baseURL+HttpHelper.tripsURL,encoding:.JSON).responseJSON { response in ... you very much !!) 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 it possible to intercept push notifications for another app?

I'd like to act on remote push notifications that are meant for another app in an app that I am writing. Is this possible? 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 identify EKEvent uniquely with Sync across the devices

I am trying to make Event Syncing feature for a Project. I need to sync events with the remote server. Let ... keep event's remote ID somewhere. 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 - Calculate UITableViewCell height to fit string

I have a NSMutableArray, which could contain several hundreds of different strings. Each string is user defined ... for a every UITableviewCell. 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 - GMSGeoCoder reverseGeocodeCoordinate: completionHandler: on background thread

I need to get the city name from 2 coordinates (I'm using GMSGeoCoder -reverseGeocodeCoordinate: completionHandler: ... Any idea? 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 - Images for retina screen (@2x)

Now I am making a Game with spritekit(swift) in Xcode 6. It has to be playable for iPhone 4s and higher. ... images without @2x.. Am I correct? 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 split a numeric string using multiple separators in a Swift closure?

I have a string array with fractional numbers and decimal numbers. let stringArray = [ "0.0", "193.16 ... upperSplit+lowerSplit return pathB } } 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 - Core Data does not react on changed predicate

This is a strange issue. In my view controller SpieleOrtTVC I am going to present a subset of the objects of the ... know what the problem is.) See Question&Answers more detail:os...

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

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187 views

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ios - Swift Array Append Overwriting Other Array Values

I'm new to Swift, but I'm not new to coding. I thought I would try my hand ... blob/master/Glass%20Tap%20Master%20Challenge/ViewController.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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227 views

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ios - Get the data from all children in firebase using swift

I have a firebase realtime database. It looks like this: Here is my code: ref.child("2").observeSingleEvent(of: ... know. 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 - Metal - Resize video buffer before passing to custom Kernel filter

Within our iOS app, we are using custom filters using Metal (CIKernel/CIColorKernel wrappers). Let's assume we ... re-encoding the video before? 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 - Divided operation in Swift

Why i get error constantly on that? var rotation:Float= Double(arc4random_uniform(50))/ Double(100-0.2) Actually i ... Double(100-0.2) thank you See Question&Answers more detail:os...

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

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226 views

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ios - No such file and directory found Xcode 7

I embedded evernote SDK into my application but it was not working. Therefore, I decided to delete it from my ... SDK folder. Help me please? See Question&Answers more detail:os...

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

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305 views

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ios - NSManagedObject subclass property in category

The NSManagedObject subclass property are created in its category file, which is very wired since category can only ... the logical behind that? See Question&Answers more detail:os...

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

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343 views

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ios - Return lighter color from SKColor using HSL lightness factor

I have an iOS SKColor, that I want to convert to a lighter shade (that is opaque with no opacity/no transparency ... an SKColor that I can use. See Question&Answers more detail:os...

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

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291 views

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ios - @State var not updated as expected in LazyVGrid

I'm having trouble understanding why my variable "selectedItem" is being updated in one part of this code, and not ... .cornerRadius(10) } } } See Question&Answers more detail:os...

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

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242 views

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ios - Variable used before being initialized in function

I'm making a ro sham bo game. Functions in swift are different than what I have used before. I keep getting an ... () { print(chosen) } } See Question&Answers more detail:os...

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

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165 views

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ios - Update a label through button from different view

How to update a label by button clicks when they both are in different classes of uiview controller...when button ... missing..may i know why? See Question&Answers more detail:os...

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

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161 views

1 answer

ios - FileManager cannot find audio file

Helloo! My ultimate goal is to create a UITableViewController with recordings made in-app, using ... : documentsDirectory.absoluteString) See Question&Answers more detail:os...

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

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261 views

1 answer

ios - Can I change height of UITableViewCell real-time?

I have UITableViewCell and inside of that cell I have a UITextView. When I will change text of UITextView I want to ... can I do that? 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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210 views

1 answer

ios - Custom TabBar layout for UITabBarViewController

Please refer to this Answer. I am trying to do the same thing, however I want to do this in a ... of the nowPlaying view programmatically. See Question&Answers more detail:os...

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

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