Recent questions tagged iOS

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ios - How do I customize a UIActivityViewController to show a URL link when posting to facebook and twitter?

So I'm trying out the new UIActivityViewController in iOS 6, and it's really easy to get up and running, but I ... look like (see Safari also) : 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 make an underlined text in UILabel?

How can I make an underlined text in UILabel? I had tried by making a UILabel with height 0.5f and place it under ... . Why? How can I 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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642 views

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ios - error: git-credential-osxkeychain died of signal 11

I have installed github version 0.8.4, but when i try to fetch something from git, it is showing this ... configured on git. Please 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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345 views

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ios - UDIDs in provisioning profile?

Given a provisioning profile, does anyone know how to determine what UDIDs are in that profile? See Question&Answers more detail:os...

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

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421 views

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ios - initWithFrame : reuseIdentifier : is deprecated

In my project i've got a Deprecations warning, initWithFrame : reuseIdentifier : is deprecated I don' ... :CellIdentifier] autorelease]; See Question&Answers more detail:os...

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

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444 views

1 answer

ios - How to hide parent tabbar when pushing controller in navigationController

I have an application with a tab bar controller and each view contains a navigation controller. My MainWindow ... problem? 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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244 views

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ios - Filter array of strings, including "like" condition

If my main array is ["Hello","Bye","Halo"], and I'm searching for "lo", it will filter the ... ambiguous without more context Any suggestions? See Question&Answers more detail:os...

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

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495 views

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ios - UIViewController viewWillAppear not called when adding as subView

I have a UIViewController that I am loading from inside another view controller and then adding its view to a ... the hierarchy or something? See Question&Answers more detail:os...

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

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476 views

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ios - When assigning focus via becomeFirstResponder to UISearchController's UISearchBar, the keyboard does not appear

I've spent quite a bit of time searching online and talking to other developers about this issue to no avail. ... not blink in the searchBar. See Question&Answers more detail:os...

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

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316 views

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ios - How can I detect if the currently running app was installed from the app store?

Is there a way in iOS to programmatically check if the currently running app was installed from the iOS App ... any application at run time. See Question&Answers more detail:os...

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

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365 views

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ios - What is the equivalent for java interfaces or objective c protocols in swift?

I've been looking in to the new Swift language trying to find what's the equivalent for an interface(in java) ... swift and what's its syntax? See Question&Answers more detail:os...

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

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409 views

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ios - UICollectionView, simply fit cell to width?

Here's a simple UICollectionView in yellow The red arrow sets the width of the cell. (TBC: clicking on the ... autolayout, or anything else?! See Question&Answers more detail:os...

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

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354 views

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ios - Objective-C is @synthesize required or optional?

sorry I'm a newbie iOS developer, recently I've briefly heard that @synthesize is now @synthesize in a certain ... bigger story I'm 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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464 views

1 answer

ios - Convert a UIView origin point to its Window coordinate system

I want to get the origin of scrollView in the window coordinate system. For Example, presently, scollView origin ... a solution to 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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476 views

1 answer

ios - Gesture recognizer (swipe) on UIImageView

I am trying to NSLog when I swipe over an UIImageView with this code, but it does not work for some reason. Any ... { NSLog(@"right swipe"); } See Question&Answers more detail:os...

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

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749 views

1 answer

ios - How can I remove iPad support from AppStore

How I can upload new version into AppStore without iPad support. 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

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ios - Different layouts in portrait and landscape mode

Let's assume I have this layout design on an iPad Portrait. But I would like to have it this way when the ... Or with a small amount of 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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266 views

1 answer

ios - __unused Flag Behavior/Usage (GCC with Objective-C)

I just now learned about the __unused flag that can be used when compiling with GCC and the more I learn ... void)foo:(NSInteger)myInt __unused; See Question&Answers more detail:os...

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

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429 views

1 answer

ios - How to Hide Warnings in Xcode

Yes I know that warnings are useful and should not be disabled and I usually correct all of them, but ... without disabling them in settings? See Question&Answers more detail:os...

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

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430 views

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ios - Is it safe to force unwrap variables that have been optionally accessed in the same line of code?

someFunction(completion: { [weak self] in self?.variable = self!.otherVariable }) Is this always safe? I access ... this single line of 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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350 views

1 answer

ios - What is the difference between launchscreen.storyboard and main.storyboard

I googled the two word together but could not find anything. I have never used it. Is there any necessity ... although we have main.storyboard. See Question&Answers more detail:os...

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

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282 views

1 answer

ios - How to build Swift 3 project on Xcode 9?

Xcode 9 Release Notes says that Swift 3 compilation is supported: One compiler for Swift 4 and Swift 3, Swift 4 ... be imported in Swift 4.0 See Question&Answers more detail:os...

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

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824 views

1 answer

ios - WKWebView fails to load images and CSS using loadHTMLString(_, baseURL:)

Apple's recommendation: In apps that run in iOS 8 and later, use the WKWebView class instead of using UIWebView. ... inside an HTML string?!) See Question&Answers more detail:os...

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

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551 views

1 answer

ios - Strange UIView-Encapsulated-Layout-Height Error

I'm making test application, so in my tableviewCell in storyboard I have imageView & webView (webview to show html- ... )]>" ) Any suggestions? See Question&Answers more detail:os...

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

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284 views

1 answer

ios - How to add a character at a particular index in string in Swift

I have a string like this in Swift: var stringts:String = "3022513240" If I want to change it to string to ... ; How to do it in Swift? See Question&Answers more detail:os...

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

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345 views

1 answer

ios - Requests to /.well-known/apple-app-site-association

I just checked my server logs and found the following weird requests coming in quite a lot. I have iOS 9 ... some known spamming or something? See Question&Answers more detail:os...

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

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469 views

1 answer

ios - Disable auto correction of UITextField

When I try to edit texts in my iPhone application (UITextfield), it auto-corrects my input. Could you let me know how can I disable this? See Question&Answers more detail:os...

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

0 votes

432 views

1 answer

ios - UISegmentedControl change number of segments programmatically

Is there a way to change the number of segments programmatically? See Question&Answers more detail:os...

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

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