Recent questions tagged IOS

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ios - Mobile safari position:fixed z-index glitch when scrolling

I know iPhones used to not support position:fixed, but now it does and I'm seeing a weird glitch when ... work incorrectly in desktop Chrome. 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 - Problems with SSL Pinning and AFNetworking 2.5.0 (NSURLErrorDomain error -1012.)

We've been having a hard time securing our app's network connections with SSL using AFNetworking 2.5.0. We use a ... error); }]; } Thank you! 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 - topLayoutGuide in child view controller

I have a UIPageViewController with translucent status bar and navigation bar. Its topLayoutGuide is 64 pixels, as ... d consider a hack) See Question&Answers more detail:os...

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

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221 views

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ios - Xcode Unit Testing with Cocoapods

I've been banging my head against a wall with this for the last few days but despite multiple Google/SO/Github ... used. Which one is undefined See Question&Answers more detail:os...

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

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610 views

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ios - How to truncate decimals to x places in Swift

I have a really long decimal number (say 17.9384693864596069567) and I want to truncate the decimal to a few decimal ... . 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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453 views

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ios - UIImageJPEGRepresentation returns nil

I'm using CIFilters to convert an image to grayscale and apply some image processing effects. Displaying the output in ... (grayImage, 1.0) } See Question&Answers more detail:os...

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

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ios - UIAlertView's textfield does not show keyboard in iOS8

@implementation UIAlertView *query; @end - (void)viewWillAppear:(BOOL)animated { query = [[UIAlertView alloc] ... helps me? 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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587 views

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ios - Appstore FailureNo architectures in the binary. Lipo failed to detect any architectures in the bundle executable.” At SoftwareAssets/SoftwareAsset

Hi I just tried to upload my app to the app store but it failed with error. ** No architectures in the ... in the bundle executable. ** See Question&Answers more detail:os...

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

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330 views

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ios - UIAlertcontroller set attributed messages

How we can set Attributed text in UIAlertcontroller as message. My try code As bellow, but it will crash the ... true, completion: nil) 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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313 views

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ios - How do I animate a NSLayoutConstraint in Swift?

I would like to animate an UIImageView. I declared a NSLayoutConstraint in viewDidLoad and used this code: UIView.animate ... 't my image move? See Question&Answers more detail:os...

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

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231 views

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ios - How to get nsdate with millisecond accuracy?

I need to get time in millisecond accuracy. How can I get it from NSDate. Currently when I NSLog time, it is showing only upto seconds. See Question&Answers more detail:os...

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

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457 views

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ios - How to convert CGPoint in NSValue in swift?

As my question title says how can I convert CGPoint into NSValues so I can store then Into array In swift. In ... in swift? 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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394 views

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ios - Value of type 'String' has no member 'stringByTrimmingCharactersInSet'

After converting my project to swift 3, I get the following Value of type 'String' has no member ' ... is the correction for 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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436 views

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ios - Cannot subscript a value of [AnyObject]? with an index of type Int

This is in a class extending PFQueryTableViewController and I am getting the following error. The rows will be ... indexPath.row] as! PFUser See Question&Answers more detail:os...

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

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334 views

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ios - UIBarButtonItem changing title not working

How can I change the title of a UIBarButtonItem? I have the following code which is called when an edit button ... the button is not working. See Question&Answers more detail:os...

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

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201 views

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ios - Creating a first launch viewcontroller

I'm trying to create a "initial setup page" that is shown if the app is launched for the first time on the device ... . What do I need to do? See Question&Answers more detail:os...

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

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312 views

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ios - cocos2d sprite repeat animation forever

In my iOS game, I hope the hero keep running until screen is touched and the hero should jump. So I write: In ... 't work. What should I do? See Question&Answers more detail:os...

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

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236 views

1 answer

ios - Passing values from one view controller to another in Swift

I am working on Swift, I've got an error in tableview's didSelectRowAtIndexPath method. I want to pass a ... Any help will 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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291 views

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ios - How to display CollectionViewCell in center in swift 4

Collectionview cell has a two item in one row, But Collectionview cell doesn't center in my design. How can ... CollectionView. Please Help me! See Question&Answers more detail:os...

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

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250 views

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ios - resize all subview in scrollViewDidZoom

Below is my screen design. . I want Zoom in/out in **mainView**. mainView Width & Height is 300. To ... to archive this . 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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260 views

1 answer

ios - I want to draw custom shape like apple shape on UIView

I am trying to make Apple kind of shape for progressHUD. I have option to use .png Image but I cant ... fill half colour with different colour? See Question&Answers more detail:os...

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

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402 views

1 answer

ios - Change duration (speed) on a running animation

I am doing an indefinite rotation animation, which works perfectly well when I first start it. What I wanted to ... what the problem is? 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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320 views

1 answer

ios - Hide Status Bar from iPhone application

I want my app to not have the status bar at all! I have tried using the .plst I have tried everything in here ... be gone from the app! 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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263 views

1 answer

ios - Opening ViewController In AppDelegate While Keeping Tabbar

In my Xcode project when a user taps on a notification I want to first send them to a certain item in my ... the information of the user } } See Question&Answers more detail:os...

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

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227 views

1 answer

ios - Force Rotate UIViewController

So, I've given up on trying to solve an issue I've been having where my controller will rotate without ... do to force rotate my controller. See Question&Answers more detail:os...

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

0 votes

250 views

1 answer

ios - Video with GPUImageChromaKeyFilter has tint when played in transparent GPUImageView?

I have a video with a solid green background, that I am trying to make transparent with GPUImageChromaKeyFilter. When ... com/u/1400954/Coin.mp4 See Question&Answers more detail:os...

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

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170 views

1 answer

ios - iAd Interstitials not showing consistently? And not at all on the simulator

iAd interstitials aren't showing up at all on the iPhone simulator, and they don't show ... ADInterstitialPresentationPolicy.Automatic Thanks! See Question&Answers more detail:os...

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

0 votes

360 views

1 answer

ios - How to Authorize Twitter with Swifter

Could someone please explain to me how to successfully authorize Twitter (oAuth) with Swifter for iOS. I am ... 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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