Recent questions tagged IOS

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ios - How do you move a CALayer instantly (without animation)

I'm trying to drag a CALayer in an iOS app. As soon as I change its position property it tries to ... head around the Core Animation API. 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 - Is there a way to iterate over a dictionary?

I know NSDictionaries as something where you need a key in order to get a value. But how can I iterate ... something similar in Objective-C? See Question&Answers more detail:os...

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

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385 views

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ios - Create UITableView programmatically in Swift

I try to implement UITableView programmatically without use of xib or Storyboards. This is my code: ViewController.swift ... lines of foo text? See Question&Answers more detail:os...

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

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493 views

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ios - command/usr/bin/codesign failed with exit code 1- code sign error

I'm currently in the process of submitting my first app to the Apple store. I've completed the following ... Anyone, can you 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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302 views

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ios - Getting the current page

In my scroll view, I want to get the current page that's being displayed (maybe page isn't the correct term). I ... a way for me to access it? See Question&Answers more detail:os...

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

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391 views

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ios - TestFight beta testing for internal testers - Build state is "processing"

I've been using TestFlight for a while but this is the first time I'm submitting a build for beta testing ... my iTunesConnect panel. Any idea? See Question&Answers more detail:os...

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

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439 views

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ios - Swift: Sort array of objects alphabetically

I have this: class Movies { Name:String Date:Int } and an array of [Movies]. How do I sort the ... accessing the name attribute of Movies. See Question&Answers more detail:os...

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

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992 views

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ios - How to change font of UIButton with Swift

I am trying to change the font of a UIButton using Swift... myButton.font = UIFont(name: "...", ... change the font otherwise. 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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275 views

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ios - Adding a circle mask layer on an UIImageView

I'm building a Photo filter app (like Instagram, Camera+ and many more..), may main screen is a UIImageView ... old devices (iphone 4, iPod) See Question&Answers more detail:os...

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

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484 views

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ios - Use a self-signed ssl certificate in an iphone app

I apologize in advance for the long-winded question. I'm having trouble with a self-signed SSL cert and I ... me would be greatly 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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261 views

1 answer

ios - Proper Realm usage patterns/best practices?

We're in the process of converting a project to use Realm. We're really impressed so far especially with the ... forward to your answers. :D See Question&Answers more detail:os...

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

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531 views

1 answer

ios - How to make an UIPickerView with a Done button?

I am having difficulties to make an UIPickerView with a done button to appear when the users taps a ... textField1.resignFirstResponder() } } See Question&Answers more detail:os...

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

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425 views

1 answer

ios - How to implement referral program in mobile Apps for both Android and iPhone

We have a mobile app that's available in both Google Play Store and Apple AppStore, we want to ... any comments, suggestions Cheers James See Question&Answers more detail:os...

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

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292 views

1 answer

ios - UILabel Align Text to center

How do I align text in UILabel? See Question&Answers more detail:os...

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

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239 views

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ios - Create spinning circle loading animation

I'm trying to create a spinning circle loader animation like in the following Android project (https://github. ... like in the example? See Question&Answers more detail:os...

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

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298 views

1 answer

ios - When is it better to use an NSSet over an NSArray?

I have used NSSets many times in my apps, but I have never created one myself. When is it better to use an ... as opposed to an NSArray and why? See Question&Answers more detail:os...

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

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265 views

1 answer

ios - Xcode Storyboard warning: Constraint referencing items turned off in current configuration. Turn off this constraint in the current configuration

This warning happens in Xcode 6.1. Anyone have ideas what does this warning mean and what will happen with ... which constraint is the problem. See Question&Answers more detail:os...

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

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506 views

1 answer

ios - Changing Font Size For UITableView Section Headers

Can someone please instruct me on the easiest way to change the font size for the text in a UITableView ... someone please assist? 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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466 views

1 answer

ios - How to clear or clean specific pod from the local cocoapods cache

How to delete or clear a specific pod from cocoapods cache? Tried deleting the entire cache directly, it takes ... cocoapods1.3.1 with Xcode9. See Question&Answers more detail:os...

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

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233 views

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ios - Two macs. One iPhone Developer License. Possible?

I work for a company that is interested in building iPhone apps. However, we are not clear on one issue: Does ... than one computer at a 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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303 views

1 answer

ios - Xcode could not find a valid private-key certificate pair for this profile in your keychain

[Before immediately marking as a duplicate, I've read through a few others with the same problem description but don ... . Is it supposed to? See Question&Answers more detail:os...

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

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355 views

1 answer

ios - Xcode 6 Storyboard the wrong size?

Built a new project from scratch in Swift in Xcode 6 (Beta 1) and have seen some strange behaviour with Storyboards ... did they fix it? 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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225 views

1 answer

ios - When does a view (or layer) require offscreen rendering?

Hello this weekend I started to watch the 2011 WWDC videos. I've found really interesting topics about iOS. My ... about that.. Thanks, Andrea See Question&Answers more detail:os...

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

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371 views

1 answer

ios - Adding subclass to Storyboard crashes

This is my class of a UIView: class overlap: UIView{ init() { super.init(frame: UIScreen.main.bounds) } ... even possible what I want? 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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247 views

1 answer

ios - Get a random unique element from an Array until all elements have been picked in Swift

I have the following array: var notebookCovers = ["cover1", "cover2", "cover3", "cover4", "cover4", ... randomNumber return Int(randomNumber) } See Question&Answers more detail:os...

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

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403 views

1 answer

ios - How to programmatically add a UITabBarController & UINavigationController in AppDelegate?

How to add a UINavigationController & UITabBarController programmatically in app delegate. See Question&Answers more detail:os...

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

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304 views

1 answer

ios - Route not showing in MKMapView?

I have these method that adds routes for MKMapView between two CLLocation. i have both valid pickUpDistanceLocation & ... error -1011.)") See Question&Answers more detail:os...

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

0 votes

449 views

1 answer

ios - Moving a textfield with auto layout constraints when the keyboard appears

I have a search bar text field and a table view (for google auto complete) that I would like to ... 150 self.searchBar.layoutIfNeeded() } See Question&Answers more detail:os...

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

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