Recent questions tagged iOS

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ios - Conditionally Hide Code from the Compiler

So here's the problem. I'm set to release an update soon for iOS that will address some problems in ... Xcode5Code will no longer be necessary. 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 make a MKAnnotationView touch sensitive?

I currently have a map view with some annotation on it. I have the annotation with custom images. The problem ... make the touch bounds bigger? 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 to center crop an image in SwiftUI

I'm new to SwiftUI. I guess everyone is at this point. I've been an app developer for about 6 years now ... term) the image. Does anybody know? 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 - Reverse geocoding in Swift 4

I'm attempting to write a simple method that's fed CLLocationDegrees and returns a CLPlacemark. Looking at Apple's ... . Thank you for reading. 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 is UIWebView canGoBack=NO in iOS7?

I'm embedding this web site into my app like this: NSString *url = [NSString stringWithFormat:@"https://mobile. ... site address and see that. 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 - Forcing landscape orientation on fullscreen MPMoviePlayerController prevents correct rotation when exiting fullscreen

I have an iPhone application (iOS6+) that supports all interface orientations. However, only landscape orientation ... is not possible. 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 - main.async vs main.sync() vs global().async in Swift3 GCD

Example A:- This cause App Crash. DispatchQueue.main.async { let url = URL(string: imageUrl) do { let data = ... main.async & global().async. 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 - Errors building Xcode Project after adding in Run Script fatal error: lipo: input file

I had the following errors when attempting to upload my app to the App Store ERROR ITMS-90087, ERROR ITMS-90209, ... Any ideas how to fix? 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 - Can we start an iBeacon transmitter in the background?

I have an iPhone app, in which I have created a transmitter and a receiver, both. But, the transmitter stops ... while still in the background? See Question&Answers more detail:os...

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

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218 views

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ios - Pinch To Zoom Effect on UIImageView inside scrollView?

I'm using storyboard (iOS 6.0) to create a photo gallery viewer for my app. This is how my imageViewController ... that can be recreated. } @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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344 views

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ios - How to access an IBOutlet from another class

I want to know how to access an @IBOutlet declared in a class from another class for example, I have a class ... solve this problem. Thank you. See Question&Answers more detail:os...

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

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189 views

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ios - Push Notification -didFinishLaunchingWithOptions

When I send a push notification and my app is open or in the background and I click on the push ... the PushMessagesVc does not appear. See Question&Answers more detail:os...

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

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325 views

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ios - Subclassing PFObject in Swift

The Parse documentation for adding properties and methods on PFObject subclasses conveniently skips the Swift syntax in their ... = "Iron Clad" See Question&Answers more detail:os...

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

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388 views

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ios - Error: UITableView jump to top with UITableViewAutomaticDimension

I am using UITableView with estimatedRowHeight and UITableViewAutomaticDimension. Also I am using NSFetchedResultsControllerDelegate ... I do? See Question&Answers more detail:os...

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

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349 views

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ios - UITableView invoke swipe actions programmatically

I have a UITableView where the user can swipe left to reveal actions (like in iOS 8 mail). That all ... over to disclose the action buttons. 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 - iOS11 causing CORS Issues in all mobile browsers

We were testing our website on iOS devices with iOS11, and noticed that it was breaking, as the browser would ... I can get further diagnostics? See Question&Answers more detail:os...

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

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599 views

1 answer

ios - Load a .tmx (Tiled Map) in Sprite Kit?

Is there a (preferably easy) way to load a .tmx file in iOS 7's Sprite Kit? If not, are there any alternatives? See Question&Answers more detail:os...

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

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299 views

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ios - 'Set<NSObject>' does not have a member named 'anyObject." - Xcode 6.3

I'm checking to see if an element has been selected. func touchesBegan(touches: Set<NSObject>, withEvent event: ... Thank you so much. W See Question&Answers more detail:os...

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

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247 views

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ios - get responseObject on failure block AFNetworking 3.0

how can I get the response string from failure block in AFNetworking 3.x, In the 2.x version the way to ... someone was able to achieve that. See Question&Answers more detail:os...

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

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191 views

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ios - Load All TabBar Views

I have a tabbar controller as the root view controller. I would like to pre-load the views of tab [1,2,3] ... the user taps on the tab. 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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453 views

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ios - AVAudioPlayer produces lag despite prepareToPlay() in Swift

Playing a very short sound (~0.5s) produces a hiccup (like a lag) in my SpriteKit iOS game programmed in Swift. ... not seem to impact the lag. See Question&Answers more detail:os...

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

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323 views

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ios - Application Identifier Entitlement Value has Changed?

I just got this warning when submit my app to app store, it is just warning, not error. This app was ... What Keychain access would be lost? See Question&Answers more detail:os...

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

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199 views

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ios - activateConstraints: and deactivateConstraints: not persisting after rotation for constraints created in IB

The new NSLayoutConstraint methods activateConstraints: and deactivateConstraints: don't appear to work correctly with ... defined constraints? See Question&Answers more detail:os...

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

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247 views

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ios - Running NSURLSession completion handler on main thread

I am using a NSURLSession to get the values to populate a TableView. I am updating the TableView in the completion handler ... "); } }] 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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484 views

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ios - Unable to connect IBOutlet from storyboard to UIView subclass

I am able to right-click and drag from my custom UIView subclass file to the storyboard elements to connect ... if the question is misleading. See Question&Answers more detail:os...

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

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188 views

1 answer

ios - Why must a protocol operator be implemented as a global function?

I've seen the answer to this Swift Equatable Protocol question that mentions how the == method must be ... that an operator is dispatched? See Question&Answers more detail:os...

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

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362 views

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ios - Completely disable Firebase/Analytics to stop console spam on app startup

I've installed Google/SignIn cocoapod into my application (which I need to support GoogleDrive), but it depends ... would be really welcome.) See Question&Answers more detail:os...

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

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463 views

1 answer

ios - How can I easily delete all objects in a Realm

I have the choice of doing a migration, but I would prefer to delete everything in my defaultRealm(). ... to prevent the migration exception. See Question&Answers more detail:os...

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

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