Recent questions tagged iOS

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ios - Programmatically set image to UIImageView with Xcode 6.1/Swift

I'm trying to set UIImageView programmatically in Xcode 6.1: @IBOutlet weak var bgImage: UIImageView! var image ... UIImageView(image: image) } 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 stop Firebase from logging status updates when app is launched

Whenever I launch the FireBase app, it logs the status of various Firebase features. Right now this is what is ... overtime I run 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 - No suitable application records were found

I created an App Store archive file. During validation it raises an error with the following message Please ... application on iTunes Connect. 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 - Obscure a UITextField password

I am doing a login page. I have UITextField for password. Obviously, I do not want the password to be seen; ... the field for this to happen? See Question&Answers more detail:os...

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

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275 views

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ios - Notify WatchKit app of an update without the watch app requesting it

I'm aware of the capabilities of WKInterfaceController openParentApplication and handleWatchKitExtensionRequest methods for ... alternative? 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

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ios - Creating a 3x3 grid with auto layout constraints

Xcode has said there are no layout issues but as you can see there is. I have tried everything. Apple docs, ... what I want but no cigar. See Question&Answers more detail:os...

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

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772 views

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ios - Cocoapods: Unable to find a specification for [PrivateSpec] depended upon by [PrivateClientSpec]

I am trying to use private repositories to break up a larger application. I have followed the guides at: http ... using cocoapods v0.35. 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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ios - Set Background Gradient on Button in Swift

I have no idea how to set the background gradient on a button (without making the background gradient an ... sublayer or something like that? 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 does Facebook Messenger clear push notifications from the lock screen if you’ve read them on desktop?

When I receive a message on Facebook I get a push notification on a lock screen (iOS). Then I read this ... still no answer so far. 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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ios - What's Dead & Exploded in Swift's exception stack?

In the exception stack for runtime crashes, Swift often says arguments are Dead or Exploded. What does it mean, and ... )+44>: brk #0x1 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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289 views

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ios - improper advertising identifier [IDFA] usage

I'm submitting ios game to app store. xcode gives me error Improper advertising identifier [IDFA] usage. Your ... this? Any help appritiated. See Question&Answers more detail:os...

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

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228 views

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ios - UIScrollView's origin changes after popping back to the UIViewController

I have a UIViewController subclass as a scene in the storyboard that contains a UIScrollView containing various ... issues or constraints? See Question&Answers more detail:os...

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

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479 views

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ios - How to write init methods of a UIViewController in Swift

I am unable to add init method to the following UIViewController class. I need to write some code in the init ... (decoder) it does not work. See Question&Answers more detail:os...

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

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243 views

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ios - Is there any way to add constraint between a view and the top layout guide in a xib file?

In iOS 7, we can now add a constraint between a view and the top layout guide, which I think is very useful to ... I have to add them with 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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510 views

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ios - Unable to find a specification in CocoaPods

I cannot understand why the Cocoapod is unable to find the pod specification I created when I run pod install. ... the tag to the podspec. See Question&Answers more detail:os...

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

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249 views

1 answer

ios - How to get all enum values as an array

I have the following enum. enum EstimateItemStatus: Printable { case Pending case OnHold case Done var description: String ... way to 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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153 views

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ios - Extracting h264 from CMBlockBuffer

I am using Apple VideoTool Box (iOS) to compress raw frames captured by the device camera. My callback is being ... A=0x0 F=0x18498bb44 R=0x0) See Question&Answers more detail:os...

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

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357 views

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ios - How to use autocorrection and shortcut list in iOS8 custom keyboard?

I want to use the autocorrection and shortcut list like default English keyboard with my ... with requestSupplementaryLexiconWithCompletion? See Question&Answers more detail:os...

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

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223 views

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ios - CAGradientLayer diagonal gradient

I use the following CAGradientLayer: let layer = CAGradientLayer() layer.colors = [ UIColor.redColor().CGColor, UIColor ... can I achieve 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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280 views

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ios - AFNetworking 2.0 track file upload progress

I am relatively new to AFNetworking 2.0. Using the code snippet below, I've been able to successfully upload a ... .response description]); }]; See Question&Answers more detail:os...

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

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410 views

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ios - UIActivityViewController - Email and Twitter sharing

I recently started working with UIActivity to share my app to the world, but I have few problems. First, I didn ... doesn't make sense. 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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305 views

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ios - Wait for async task to finish completion block before returning in app delegate

I'm using a subclass of UIManagedDocument to use Core Data in my project. The point is for the subclass to ... successful? I'm really 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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263 views

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ios - AFNetworking 2.0 Reachability

I am trying to determine if the user is connected to the internet by using AFNetworking 2.0 and the " ... since it isn't 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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324 views

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ios - How do you use setTitleTextAttributes:forState in UIBarItem?

How do you use setTitleTextAttributes:forState: in UIBarItem in iOS? How do you set the NSDictionary? Can't ... text attributes for the title. See Question&Answers more detail:os...

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

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251 views

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ios - Change order of read items with VoiceOver

I have a bunch of buttons on the screen which are positioned intuitively visually but are not read in an intuitive order ... :b]; return b; } 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

1 answer

ios - How to add HeaderView in UICollectionView like UITableView's tableHeaderView

How can I add a header view / top view (not section header) at the top of a UICollectionView? It should act ... or there's a better way. 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

1 answer

ios - popping and pushing view controllers in same action

is is possible to pop a view off the navigation stack and then push another straight onto it? I'm trying to ... ! 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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495 views

1 answer

ios - Any way to print in color with NSLog?

In a typical color terminal, there are escape sequences that one can use to print text in different colors. ... color using NSLog? 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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