Recent questions tagged iOS

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Im working on a simple swift app where the user inputs an email address and presses a button which opens the mail ... it to work 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 - Swift tableView Pagination

I have success working tableview with json parsing codes.But may have 1000 more item so need pagination when scrolling ... task.resume() } } 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 - Perform Segue programmatically and pass parameters to the destination view

in my app I've a button that performs a segue programmatically: - (void)myButtonMethod { //execute segue ... in the same usual 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 - Auto Layout in UICollectionViewCell not working

I have a simple UICollectionView with cells that have a single UITextView. The UITextView is constrained to the ... anyone have 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 - how do I use UIScrollView in Interface Builder?

While I've used UIScrollView successfully in the past by manipulating it programmatically, I'm having trouble ... the contentSize via code? See Question&Answers more detail:os...

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

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491 views

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ios - Unbalanced calls to begin/end appearance transitions for <UITabBarController: 0x197870>

I read SO about another user encountering similar error, but this error is in different case. I received this ... developing iOS 4.3 app. 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 - Why Xcode 7 shows *.tbd instead of *.dylib?

Xcode 7 In Target > BuildPhases > Link Binary With Libraries > tap + button When choosing frameworks to add, you ... can find the *.dylib files 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 - Error message '_BSMachError: (os/kern) invalid capability (20)'

Please note that this error message is pretty low level, so it crops up for different reasons in different ... me assign frames to views. See Question&Answers more detail:os...

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

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265 views

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ios - UITableViewCell with autolayout left margin different on iPhone and iPad

I am using a grouped UITableView with static cells for an options screen/scene. Everything is done in Xcode 6. ... to post this question anyway. 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 can I create a UILabel with strikethrough text?

I want to create a UILabel in which the text is like this How can I do this? When the text is small, the line should also be small. See Question&Answers more detail:os...

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

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371 views

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ios - Tweening / Interpolating between two CGPaths / UIBeziers

I have a CAShapeLayer which contains a CGPath. Using the built-in animation of iOS I can easily morph this path ... way to ask iOS for 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 - Animate UILabel text between two numbers?

I'm new to iPhone and Mac programming (developed for Windows before), and I've got a question: How do I animate ... idea how to 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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209 views

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ios - Get an array of property values from an object array

There's a class called Employee. class Employee { var id: Int var firstName: String var lastName: String var ... I do this 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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309 views

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ios - Creating a reusable UIView with xib (and loading from storyboard)

OK, there are dozens of posts on StackOverflow about this, but none are particularly clear on the solution. ... with minimum boilerplate code? See Question&Answers more detail:os...

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

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453 views

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ios - Debug ipad safari with a PC

I want to test my website on Safari on my ipad. I only have another PC. Is there a way for me to do remote ... if this is a good choice. 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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224 views

1 answer

ios - Camera with Custom View

My Application uses camera, I would like to add overlay over the camera preview. For example, I want to use a ... help me to do the same. See Question&Answers more detail:os...

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

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680 views

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ios - Archives not showing up in Organizer for Xcode 4

I'm trying to create an IPA in Xcode 4, much like the person who asked this question: Xcode 4: create IPA ... obscure setting I need to modify? See Question&Answers more detail:os...

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

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234 views

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ios - How can I get a view's current width and height when using autolayout constraints?

I'm not talking about the frame property, because from that you can only get the view's size in the xib. I'm ... this so difficult for me. ARG! See Question&Answers more detail:os...

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

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332 views

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ios - Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?

I'm trying to implement the new viewWillTransitionToSize method which has been introduced in iOS 8 (all other ... new size finishes. 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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225 views

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ios - SwiftUI - how to avoid navigation hardcoded into the view?

I try to do the architecture for a bigger, production ready SwiftUI App. I am running all the time into the ... to be allocated on the heap. See Question&Answers more detail:os...

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

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257 views

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ios - Label under image in UIButton

I'm trying to create a button which has some text beneath the icon (sorta like the app buttons) however it ... below the image with a UIButton? See Question&Answers more detail:os...

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

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317 views

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ios - UITableViewCell show white background and cannot be modified on iOS7

I've implemented a custom table view cell class that inherit from UITableViewCell. The tableview contains a background ... a cell in code. See Question&Answers more detail:os...

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

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492 views

1 answer

ios - Check play state of AVPlayer

Is there a way to know whether an AVPlayer playback has stalled or reached the end? See Question&Answers more detail:os...

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

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293 views

1 answer

ios - How to determine if an NSDate is today?

How to check if an NSDate belongs to today? I used to check it using first 10 characters from [aDate description ... neat way to check? 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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629 views

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ios - Swift - Integer conversion to Hours/Minutes/Seconds

I have a (somewhat?) basic question regarding time conversions in Swift. I have an integer that I would like ... ! Thank you 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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337 views

1 answer

ios - UIView shake animation

i'm trying to make a UIView shake when a button is pressed. I am adapting the code I found on http: ... shakeAnimation forKey:@"frameOrigin"]; } See Question&Answers more detail:os...

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

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408 views

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ios - Xcode 5 & Asset Catalog: How to reference the LaunchImage?

I am using Xcode 5's Asset Catalog, and I would like to use my LaunchImage as the background image of my ... :@"LaunchImage"]; //returns nil See Question&Answers more detail:os...

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

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346 views

1 answer

ios - Creating and playing a sound in swift

So what I want to do is create and play a sound in swift that will play when I press a button, I know how ... anyone know how I could 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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