Recent questions tagged ios

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ios - UICollectionView horizontal paging with 3 items

I need to show 3 items in a UICollectionView, with paging enabled like this but I am getting like this I have made custom ... 0, 272, 0, 272); } 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 - No identities were available - administrator request

I had problems while "archiving" my app. I think there are invalid profiles because of iPhone Update to ... and solve that fault? 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 add multiple collection views in a UIViewController in Swift?

I tried many days to realise this: I want to add in my UIViewController two different CollectionView. For example I want ... give me a hand. :) 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 - iPhone UIButton - image position

I have a UIButton with text "Explore the app" and UIImage (>) In Interface Builder it looks like: [ (>) ... I move the UIImage to the right? 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 - UI Testing Failure - Neither element nor any descendant has keyboard focus on secureTextField

This is my case: let passwordSecureTextField = app.secureTextFields["password"] passwordSecureTextField.tap() ... Any workarounds? 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 - Delay/Wait in a test case of Xcode UI testing

I am trying to write a test case using the new UI Testing available in Xcode 7 beta 2. The App has a ... related to this. Any ideas/suggestions? 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 - resize superview after subviews change dynamically using autolayout

I cant for the love of god the the hang of this resizing superview. I have a UIView *superview with 4 UILabels ... scratching my hair of.. help 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 - Hide the cursor of a UITextField

I am using a UITextField with a UIPickerView for its inputView, so that when the user taps the text field ... cursor on the UITextField instead? 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 - Jerky Scrolling After Updating UITableViewCell in place with UITableViewAutomaticDimension

I am building an app that has a feed view for user-submitted posts. This view has a UITableView with a custom ... use any tips you might have. See Question&Answers more detail:os...

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

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292 views

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ios - Install .ipa to iPad with or without iTunes

I have the .ipa from PhoneGap build and I need to test it. I got provisioning profile from Developer account. ... follow some rules to install? See Question&Answers more detail:os...

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

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221 views

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ios - Leaking views when changing rootViewController inside transitionWithView

While investigating a memory leak I discovered a problem related to the technique of calling setRootViewController: ... view hierarchies around. 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 use UIColorFromRGB in Swift?

In Objective-C, we use this code to set RGB color codes for views: #define UIColorFromRGB(rgbValue) [UIColor ... I use 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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ios - What's the point of NSAssert, actually?

I have to ask this, because: The only thing I recognize is, that if the assertion fails, the app crashes. Is that the ... may a -0.9 or -1.1? See Question&Answers more detail:os...

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

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153 views

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ios - Avoid animation of UICollectionView after reloadItemsAtIndexPaths

UICollectionView animate items after reloadItemsAtIndexPaths is called (fade animation). Is there a way to avoid this animation? iOS 6 See Question&Answers more detail:os...

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

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163 views

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ios - UIActionSheet cancel button strange behaviour

I have a UIBarButtonItem opening an action sheet to offer users choices about what to do. Everything works as expected ... ; [sheet release]; } See Question&Answers more detail:os...

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

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249 views

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ios - What's the best way to add a drop shadow to my UIView

I am trying to add a drop shadow to views that are layered on top of one another, the views collapse ... the best coded solution 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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274 views

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ios - What are the differences between a UIView and a CALayer?

Both have most of the same attributes, both support different kind of animations, both represent different data. What ... UIView and a CALayer? See Question&Answers more detail:os...

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

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164 views

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ios - Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromView: methods

I'm trying to understand the functionalities of these methods. Could you provide me with a simple use case to ... convertPoint:toView: {0, 0} See Question&Answers more detail:os...

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

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259 views

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ios - What does the property "Nonatomic" mean?

What does "nonatomic" mean in this code? @property(nonatomic, retain) UITextField *theUsersName; What is the ... atomic and nonatomic? 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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428 views

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ios - Use different GoogleService-Info.plist for different build schemes

I am using a build scheme for prod and one for staging (with 2 different bundle identifiers) and I am trying ... do the setup manually? 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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370 views

1 answer

ios - Paging UICollectionView by cells, not screen

I have UICollectionView with horizontal scrolling and there are always 2 cells side-by-side per the ... subclass? 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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407 views

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ios - UIButton remove all target-actions

I have added multiple target-action-forControlEvents: to a UIButton. I'd like to remove all of these in one go without ... how do I go about it? See Question&Answers more detail:os...

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

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593 views

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ios - Error installing cocoapods : Failed to build gem native extension

I am trying to install cocoapods to my mac [ macOs bigSur 11.1 , Xcode 11.3 ] but after typing sudo gem install ... 6.0/ffi-1.15.0/gem_make.out See Question&Answers more detail:os...

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

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263 views

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ios - Inappropriate Expected declaration error

Why am I getting an error in this code, it seems perfectly normal to me. I declare 'hills' as a variable but ... / 2, 300) self.addChild(hills) See Question&Answers more detail:os...

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

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273 views

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ios - Removing duplicate objects from fetch based on object parameter UPDATED Swift

I have a TableVIewthat gets populated by a FetchResultsController. Fetched items are properly displayed in their own ... key: "name", ascending: true)] productRequest.predicate...

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

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266 views

1 answer

ios - Add Modal Popup to Map Annotation - Swift 3.0

I have a number of custom pins on a map and when a user taps a pin and then the button on the Callout ... .transform = .identity }) } 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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138 views

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ios - Setting Multiple Times for Notifications in Swift

So I am using Swift now and I had one notification appearing at a certain time when one switch was activated. ... your help, thanks 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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134 views

1 answer

ios - Parsing JSON Within JSON in Objective-C

I'm trying to store the JSON that is within the JSON i get from the following request... NSURL *URL = [NSURL ... "age":28, } " } ] See Question&Answers more detail:os...

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

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