Recent questions tagged ios

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I've read many time that we can install Xcode 4 and keep Xcode 3. BUT, i've also read that it was not ... logic error) Someone have an 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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ios - Swift - Image Data From CIImage QR Code / How to render CIFilter Output

I've been having this problem for a while now and looked at dozens of answers here and can't seem to find ... other answer did not fully relate. 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 - Make rotation with one finger in Swift 4

I created a UIGestureRecognizer to rotate a view with only one finger. The view rotate at the beginning but as soon ... , with: event) } } 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 - Can I rotate a UIView without the black bars?

I have a UIView that takes up the entirety of the window on the iphone. When it rotates to landscape, the ... Has anyone done this succesfully? 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 change Device Orientation programmatically in Swift?

In my app I want to change the device orientation. I`ve tried it like in the other question with the same topic ... Sorry for my bad english.... See Question&Answers more detail:os...

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

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408 views

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ios - Core Data NSTimeInterval using an accessor directly is buggy

I'm setting an NSTimeInterval using setValueForKey within an NSManagedObject Subclass, the value gets set correctly, ... on whats happening? 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 - Pass extra argument for UItapgestureRecognizer with selector

I have two labels, Label1 and Label2. I want to make a single function that prints out which label is tapped by ... (label) double tapped") } 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 - Playing video from within app?

I am trying to play a local video from my app using AVPlayer. I have looked everywhere but can't find any ... layer]; [self.player play]; 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 - FBLikeControl callback

is there any way I can get some kind of feedback from the new FBLikeControl if the user liked the page? Or ... the app from the Facebook 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 - Pass a NSDictionary as parameter to UITapGestureRecognizer

I want to pass a NSArray as a parameter to UITapGestureRecognizer and access it in downloadOptionPressed method ... *)recognizer{ } See Question&Answers more detail:os...

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

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398 views

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ios - Xcode Instruments - Enable NSZombie Detection? Where is it?

I have watched this video http://www.markj.net/iphone-memory-debug-nszombie/ The guy shows an option called ... it for iPhone apps? 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 - Stick UITableView header view to top when creating header in storyboard

I have created a table view header using the answer here. My problem is that when creating the header this ... plain style, not grouped. See Question&Answers more detail:os...

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

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361 views

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ios - prepareForSegue not called from custom uitableviewcell

I have a custom TableViewController with a custom TableViewCell. I created a segue on the storyboard from the Cell ... return cell } Any 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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277 views

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ios - Setting iPhone wallpaper (locked screen background) programmatically?

I have an app which could benefit from the user being able to choose to set an image as the ... the iPhone documentation returns nothing. See Question&Answers more detail:os...

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

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388 views

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ios - AFNetworking 3.x multipart form upload

I have an upload form like this: <form action="http://localhost/upload.php" method="post" enctype="multipart/ ... NSData which is the case here. See Question&Answers more detail:os...

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

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406 views

1 answer

ios - How to get NSNumberFormatter currency style from ISOCurrencyCodes?

If I were to have EUR, or USD (both ISO currency codes), how could I make my NSNumberFormatter to properly ... [_property price]]; 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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281 views

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ios - Problems with layout of some rows in SwiftUI list

I have tried to find a similar problem asked before, but failed. I have a simple view with list. I am using a ... Why it moves to the left side? 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

1 answer

ios - Can I have a multipeer connectivity session run in the background?

I have two apps which are successfully utilising multipeer connectivity to send messages. Currently, when the "server ... does it really matter? 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 - In what format is this date string?

Im trying to convert a bunch of NSStrings into NSDate objects. Here is an example string: 2013-04-25T15:51: ... Any help is appreciated, 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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203 views

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ios - Perform "use photo" button on custom image picker overlay

I am creating fully custom overlay for image picker controller. First stage is easy: I am get first view with ... imitate "Use photo" button? See Question&Answers more detail:os...

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

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272 views

1 answer

ios - Save the exif metadata using the new PHPhotoLibrary

I am currently using AVCaptureStillImageOutput to get a full resolution picture. I am also able to get the exif ... save the metadata with 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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330 views

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ios - Custom UIView loaded from Xib

I have created a custom subclass of UIView along with a xib file and declared IBOutlets and IBActions within the ... control drag from there. See Question&Answers more detail:os...

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

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294 views

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ios - Using Auto Layout to have UILabel and UITextField next to each other

I am trying to position a UILabel instance label next to a UITextField instance textfield like done in the iOS Settings ... predicate:@"-25"]; 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 - Filter NSArray based on another array using predicate

Consider the arrays below. The arrays contain objects of type 'Alpha'. We only care about the property username ... the code reference anymore. See Question&Answers more detail:os...

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

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197 views

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ios - CloudKit push notifications on record update stopped working

EDIT: Retested today 27.08.2015 and it works again, Apple has fixed it. I have an application in ... (application: UIApplication) {} } 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

1 answer

ios - Check if device supports blur

My app uses UIBlurEffect, however older devices (specifically iPads 2 and 3, that support iOS 8) don't have blur support ... . How do I do 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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240 views

1 answer

ios - Paste Formatted Text, Not Images or HTML

I am trying to emulate the pasteboard behavior of the iOS Pages and Keynote apps. In short, allowing ... Insight and suggestions 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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357 views

1 answer

ios - How to keep SpriteKit scene paused when app becomes active?

Is there anyway to prevent SpriteKit from automatically unpausing a scene when entering foreground/becoming active? I ... in this regard. See Question&Answers more detail:os...

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

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