Recent questions tagged iOS

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ios - Why does content View height less than UITableViewCell height?

I select UITableViewCell with also create xib file. When I create custom tableViewCell with xib, I see contentView ... same to cell height? 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 - Pass a value from one ViewController to another in Objective-C

I'm fairly new to Objective-C, programming. The one thing, I'm currently putting up with is passing ... animated:YES completion:NULL]; 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 - Prefer property-accessor or KVC style for accessing Core Data properties

I have read the iOS-related chapters of Marcus S. Zarra's Core Data: Data Storage and Management for iOS ... property-accessor style in general? 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 - Conversion from string to date in swift returns nil

I have a problem with converting the string to date in swift 3. Here is my code, it returns me a nil value while ... 2017 15:03:03 +0530")!;` 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 google maps plotting multiple markers issues(info window and marker repeating)

First i create a Map with user location -(void)initGogleMapView{ GMSCameraPosition *camera = [GMSCameraPosition ... am 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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ios - fopen$UNIX2003 fails inside external library

I have an external static library (I have the source code as well) that uses 'fopen' to ... , fopen$UNIX2003 precedes it. 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 - Generate a Swift array of nonrepeating random numbers

I'd like to generate multiple different random numbers in Swift. Here is the procedure. Set up an empty array Generate ... to continue... } } 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 - Watchkit & Realm 0.92.3

The Swift integration of a new Realm-DB (realm 0.92.3) under Xcode 6.3 and iOS10.10.3 basically works for ... error. What is still missing ??? 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 - Performance testing in Swift using TDD

Just learning Test Driven Development in Swift.I created a class that is subclass of XCTestCase in ... /view?usp=sharing 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 - Use of an optional value in Swift

While reading the The Swift Programming Language, I came across this snippet: You can use if and let together ... but still a little confused. See Question&Answers more detail:os...

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

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624 views

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ios - Swift: Using protocol extension results in "unrecognized selector sent to instance"

I'm trying to add a on-tap functionality to all UIViewControllers where they conform to protocol MyProtocol. Below is ... how this can be done? 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 - Filter array of custom objects in Swift

I'm trying to filter an array of custom objects in swift to get back a subset of data that has properties I ... . Any help would be appreciated. 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

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ios - Sprite Frame Animation Cocos2d 3.0

I've been trying to make an animated sprite, they're are a lot of tutorials but they're all for Cocos2d 2.x. My sprite ... ----------------- See Question&Answers more detail:os...

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

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252 views

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ios - Adding a Symbolic Link in the Application Bundle

Apple specifies in the UILocalNotification class reference that the audio file must be from the application bundle. ... life deploying the app? 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 - didReceiveRemoteNotification not called in Background Mode

I am working on push notifications and the data I receive is in JSON format. How can I parse the JSON ... in the Notification Center below: See Question&Answers more detail:os...

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

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245 views

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ios - Connecting IBOutlets to UITableViewCell prototype

I am creating a UITable with custom UITableViewCell prototype. My cell contains UIImageViews, UILabels and UIButtons. ... . 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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440 views

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ios - Fastlane Boarding with two-factor authentication

I followed the "Getting Started" guide on the boarding github page, but I keep getting this error on my ... heroku site. 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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434 views

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ios - Sorting NSArray containing NSDate objects

I have an array containing NSDate objects. With Objective-C, I am able to sort this array by using: NSArray * ... here, hacking my way through. See Question&Answers more detail:os...

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

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355 views

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ios - Can I access all images in a .xcassets at once?

I have a big amount of images in a Images.xcassets and I need to load them all in a UITableView. But I don't ... ll create a .bundle... 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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907 views

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ios - Calculate the range of visible text in UILabel

I have an UILabel with fixed size, the text that I set into this UILabel can be 200, 5 or 500 characters ... in the UILabel. 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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443 views

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ios - Is there a way of automatically writing custom values to the bundle's .plist during a build phase?

I'm setting up a CI system using Jenkins and am using agvtool to bump and set marketing & technical versions at ... .plist. Is this 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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319 views

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ios - multiple GoogleService-Info support

I registered my Dev and Prod schemes as different apps in Firebase. I want them to be separate, Each has unique ... plist for for that scheme? See Question&Answers more detail:os...

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

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466 views

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ios - determine the maximum number of characters a UILabel can take

Given a UILabel and a NSString, how do I determine how much of the string can fit inside the UILabel? I ... anywhere with the responses there. See Question&Answers more detail:os...

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

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271 views

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ios - NSDateFormatter still parsing instead having incorrect format

Having some problems parsing date. I have an array of supported formats and once I receive the date (string) ... is happening here? 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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704 views

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ios universal links - App Search API Validation Tool displays "example.com is returning 469. Please check your url and try again."

I am online a fresh webpage for the purpose of universal links. I put the file in .well-known folder. ... Validator and it displays no errors. See Question&Answers more detail:os...

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

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388 views

1 answer

ios - iPhone - Memory Leak - NSData dataWithContentsOfUrl & UIWebView

Please help! Have been staring at this for 12 hours; and have looked online and can't find solution. In my ... just don't get it. 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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226 views

1 answer

ios - Pass value to closure?

I want to do extra logic after last item was processed, but terminal show that i has always the same value as c. Any ... come 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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567 views

1 answer

ios - Fixing low FPS in Swift Playground

My SpriteKit playground book averaged 15 FPS on my MacBook Pro. Do playgrounds run slower than iOS device ... code only compiles once. See Question&Answers more detail:os...

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

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