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Recent questions tagged iOS
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ios - How to get the other devices' host name in the same wifi?
I found some iOS app which could scan the local network and list all the device information. I wonder how. Pic: See Question&Answers more detail:os...
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Oct 24, 2021
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ios
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538
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ios - dynamically change UIKeyboards return key
I have two UITextfield the user enters his name into the first and email into the second. I would like to ... ? any help would be appreciated. See Question&Answers more detail:os...
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Oct 24, 2021
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679
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ios - How to make custom MKPolyline in SWIFT with additional argument - color
Can any help me with making custom MKPolyline with additional argument Color? CustomPolyline.swift import Foundation ... Thanks for help. See Question&Answers more detail:os...
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Oct 24, 2021
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ios
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749
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ios - Use of 'self' in property access 'frame' before super.init initializes self
I have this code import UIKit class CardView: UIView { @IBOutlet var imageView: UIImageView! init(imageView: ... started learning swift. See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
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689
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ios - What is the availability of NSNotFound?
This in-Xcode documentation for NSNotFound is quite confusing: It says "Available in iOS 2.0 through 8.4" and " ... on here, if it is? See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
votes
561
views
1
answer
ios - UISearchController causes black screen Swift 2.0
I have a strange problem in iOS 9 with Swift 2.0. I added UISearchController in my tableViewController but it ... this problem ? Thank you ! See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
votes
545
views
1
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ios - Firestore listener for sub collections
I have my Firestore setup in the following way: Channels [collection] ----> channelID ---> Messages [collection] - ... } This didn't work for me See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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ios
0
votes
740
views
1
answer
ios - Skaction.playsoundfilenamed crashes when repeat - sprite kit
I have a problem with sprite kit SKAction.playSoundFileNamed. In practice, after some time it is played correctly ... no longer generates crash See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
votes
669
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answer
ios - AutoLayout labels getting cut off on right side of screen
I'm trying to use Auto Layout for a custom Table View Cell in my app. I can't seem to get the ... all, thanks for the help everyone! See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
votes
669
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1
answer
ios simulator - iOS weird error: dyld: Symbol not found: __dealloc?
I suddenly getting the below error, which is not allowing any application to run in simulator. The app ... A/CoreFoundation Please suggest ! See Question&Answers more detail:os...
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Oct 24, 2021
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ios
0
votes
568
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ios - SecKeyRawVerify and OSError -9809
I am using digital certificates to sign data files in my App. The code fragment below fails when the call to ... (size_t)[signature length] ); See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
votes
595
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answer
ios - AVCapture Session To Capture Image SWIFT
I have created an AVCaptureSession to capture video output and display it to the user via UIView. Now I want to be ... .image = data_image } } } See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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ios
0
votes
823
views
1
answer
ios - Get coordinates of multiple touches in Swift
So I've been messing around trying to get the coordinates of touches on the screen. So far I can get the ... and third, fourth...) touch? See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
votes
586
views
1
answer
ios - NSAttributedString from HTML in the background thread
What I need is to create NSAttributedString objects from relatively big HTML strings and store them (NSAttributedString- ... not use WebKit? See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
votes
699
views
1
answer
ios - CGAffineTransformInvert: singular matrix
I've been occasionally seeing the error message: CGAffineTransformInvert: singular matrix In the logging area of ... interfering with anything? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
points)
ios
0
votes
678
views
1
answer
ios - How to get IPhone's Public IP Address without using a third party url
For my project, i need to get the IPhone's Public IP address, there are so many examples available, which ... file, it generates Local IP See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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71.8m
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ios
0
votes
793
views
1
answer
ios - settings bundle not working on watchOS 2
This was NOT a problem on watchOS 1, but now on watchOS 2 I cannot read the values on the watch extension. ... are not sent back to iOS. See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
points)
ios
0
votes
724
views
1
answer
ios - Update / change the rawValue of a enum in Swift
Taking the below enum for instance enum Name : String { case Me = "Prakash" case You = "Raman" } Can I ... ENUM Name.Last = "Benjamin" Thanks! See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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ios
0
votes
630
views
1
answer
ios - setting date format for NSDateFormatter
I am trying to set the date format for something like "2011-04-21 03:31:37.310396". I ... dateFormatter dateFromString:stringFormOfDate]; Help? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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ios
0
votes
659
views
1
answer
ios - NSKeyedUnarchiver error after renaming Xcode project
I just renamed my Xcode project and when I ran it I got this error: 2015-11-14 05:32:42.337 Buck ... renamed it again. So any suggestions? See Question&Answers more detail:os...
asked
Oct 24, 2021
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Technique[技术]
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71.8m
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ios
0
votes
784
views
1
answer
ios - How to find path of Bridging-Header.h - Swift, Xcode
Here I'm attaching a screenshot of created header file I have created a new header file in xcode and named it as ... find the path of the file? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
ios
0
votes
583
views
1
answer
ios - Where to update Autolayout constraints when size changes?
I have several UIViews laid out along the bottom of a containing UIView. I want these views to always be ... and similar methods are deprecated. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
(
71.8m
points)
ios
0
votes
789
views
1
answer
ios - CMDeviceMotion returns 0 values for magnetic field
I am developing iOS app with compass functionality. I have tried to use CMMagnetometerData updates which give uncalibrated, but ... .z)") } } See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
points)
ios
0
votes
601
views
1
answer
ios - Not getting didReceiveMemoryWarning when app is in the background
I'm noticing that my view controllers aren't getting their didReceiveMemoryWarning methods called when my application is in ... how do I tell? See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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ios
0
votes
751
views
1
answer
ios - AFNetworking 2.0 Send Post Request with URL Parameters
How do I send a POST request with AFNetworking 2.0 with all the parameters in the URL like such: http:// ... "Request failed: bad request (400) See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
ios
0
votes
758
views
1
answer
ios - CoreData predicate: string property length?
Say if I have an entity Fragment, it has an attribute 'text' which is a string, I want to query the list of ... I need to change it to? Thanks! See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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深蓝
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71.8m
points)
ios
0
votes
660
views
1
answer
ios - Selecting language of the keyboard for UITextField with secureTextEntry
I'm stuck with a problem of changing language for the password field. In my application I need to enter ... button to the secured textField? See Question&Answers more detail:os...
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Oct 24, 2021
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71.8m
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873
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ios - How do I get around NSCocoaErrorDomain:257 when pulling a file from the Files app?
I'm trying to access a file to pull a copy into my app so that users can associate it with relevant information. ... that I wasn't aware of. See Question&Answers more detail:os...
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Oct 24, 2021
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Technique[技术]
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71.8m
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