Recent questions tagged iOS

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ios - Make an UIImage from a CMSampleBuffer

This is not the same as the countless questions about converting a CMSampleBuffer to a UIImage. I'm simply ... something wrong with that code? See Question&Answers more detail:os...

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

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320 views

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ios - Xcode 6 GM iPhone 6 Simulator - Storyboards not sizing correctly, appear zoomed in

I'm using the new Xcode 6 GM Seed and testing my app on the iPhone 6 and iPhone 6 Plus simulators. I'm ... made on older versions of Xcode). 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 set HTTP request body using AFNetwork's AFHTTPRequestOperationManager?

I am using AFHTTPRequestOperationManager (2.0 AFNetworking library) for a REST POST request. But the ... AFHTTPRequestOperationManager? 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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352 views

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ios - How to speed up UI test cases in Xcode?

Since Xcode 7 we have a nice API for UI testing. Mostly I'm satisfied with it. The only concern is related to the ... be a way to speed it up. 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 - Toolbar with "Previous" and "Next" for Keyboard inputAccessoryView

I've been trying to implement this toolbar, where only the 'Next' button is enabled when the top textField is ... = [self keyboardToolBar]; } } See Question&Answers more detail:os...

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

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619 views

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ios - Swift - CLGeocoder reverseGeocodeLocation completionHandler closure

What I'm trying to do is pass a CLLocation to the function getPlacemarkFromLocation which then uses the passed ... is still returning nil. See Question&Answers more detail:os...

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

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363 views

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ios - Set a button background image iPhone programmatically

In Xcode, how do you set the background of a UIButton as an image? Or, how can you set a background gradient in the UIButton? See Question&Answers more detail:os...

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

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372 views

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ios - How to reuse Swift code in other projects?

I wrote a class in Swift. I want to use this code in two separate iOS app projects that I wrote. Both the shared ... it. It works in iOS 8+. See Question&Answers more detail:os...

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

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373 views

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ios - dismissViewControllerAnimated VS popViewControllerAnimated

I want to know what is the different of them. when I can call [self dismissViewControllerAnimated:YES completion ... controller by this method. See Question&Answers more detail:os...

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

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246 views

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ios - Why can I not install more than three apps?

I have just started learning how to make iOS apps, and am using the free personal developer account. I have ... existing apps from my device? See Question&Answers more detail:os...

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

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386 views

1 answer

ios - Storyboard - Hiding top bar of navigation controller programmatically

I'm using a storyboard and I'm trying to hide a top bar of my main navigation controller when a certain ... anyone know what the problem is? See Question&Answers more detail:os...

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

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503 views

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ios - Native UITextField Secure Text Entry forces English (US) keyboard

I have a very simple login page (login + password). My users are french, so their keyboard are French (azerty). ... a lot for your time & 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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498 views

1 answer

ios - Empty white space above UITableView inside a UIView

I'm trying to position a TableView inside my ViewController view but leaving a 44 height gap between the bottom of ... up to the correct place: See Question&Answers more detail:os...

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

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489 views

1 answer

ios - How to get a CNContact phone number(s) as string in Swift?

I am attempting to retrieve the names and phone number(s) of all contacts and put them into arrays with Swift in ... the digit(s) value. 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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497 views

1 answer

ios - How to run Xcode 11.4 on macOS Mojave 10.14.6

Background on problem: I have an iPhone 6s that has updated itself to iOS 13.4. Before the iOS update, ... screwing up my whole machine? See Question&Answers more detail:os...

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

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380 views

1 answer

ios - URL identifier and URL scheme

In iOS you can set up URL scheme so other apps can launch you or pass data to you. What's the URL ... is duplicate URL schemes on the phone? See Question&Answers more detail:os...

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

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510 views

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ios - CocoaPods dependency only on debug/release build

I'm using a pod as an internal library for my project. I want to have some pods included only on ... build configuration (build/release)? See Question&Answers more detail:os...

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

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320 views

1 answer

ios - It gives errors when using Swift Static library with Objective-C project

I need to make swift static library for my requirement. I made swift static library which uses swift and Obj-c ... or need to add anything. See Question&Answers more detail:os...

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

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374 views

1 answer

ios - How to capture last 4 characters from NSString

I am accepting an NSString of random size from a UITextField and passing it over to a method that I am creating that ... use this? if so how? } See Question&Answers more detail:os...

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

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318 views

1 answer

ios - Duplicate symbol error when adding NSManagedObject subclass, duplicate link

I was trying to create NSManagedObject subclasses (2 related entities) automatically in Xcode. They are generated like ... any idea about 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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298 views

1 answer

ios - Several UIAlertViews for a delegate

Currently I've got a class popping up UIAlertViews here and there. Currently, the same class is the ... to handle several UIAlertViews? See Question&Answers more detail:os...

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

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481 views

1 answer

ios - It is possible to show keyboard without using UITextField and UITextView iphone app?

I am working in iPhone messaging based app. I want to show keyboard with keyboard inputAccessoryView in keyboard ... process will be 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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353 views

1 answer

ios - UIAlertController is Crashed (iPad)

I am using Xcode 6 to develop an iOS Application. When I used UIAlertController, it can be worked well on iPhone ... of type NSException****** See Question&Answers more detail:os...

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

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310 views

1 answer

ios - RLMException, Migration is required for object type

I have an object NotSureItem in which I have three properties title whose name is renamed from text and ... dateTime = NSDate() } See Question&Answers more detail:os...

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

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687 views

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ios - How to read current app version in Xcode 11 with script

Until Xcode 11, I used a script that reads the current app version (for the AppStore) and help me ... launchScreen label using run script? See Question&Answers more detail:os...

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

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486 views

1 answer

ios - Strange error when adding items to prototype cells in storyboard-IB

I have quite a large project (~20 scenes). One of which is a TableViewController with a custom ... cell from the UITableViewController? See Question&Answers more detail:os...

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

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400 views

1 answer

ios - Swift Initialize Struct with optional stored properties

I'm a Swift newbie and I'm trying to get my head around using Structs with optional properties. I've done ... search for that would be great. See Question&Answers more detail:os...

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

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539 views

1 answer

ios - Swift 3 Alamofire multipart upload

Thanks to migration to Swift 3, I find it difficult to compile my project that uses Alamofire. The problem occurs ... be implemented in Swift 3 See Question&Answers more detail:os...

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

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