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Recent questions tagged iOS
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ios - How do I do weak linking in Swift?
In Objective-C, if I wanted to use a specific class that's only present in a new version of iOS, ... Added UIBlurEffect as specific example. See Question&Answers more detail:os...
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Oct 17, 2021
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216
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ios - Calculate all permutations of a string in Swift
For the string "ABC" the code snippet below calculates 5 of the 6 total permutations. My strategy was ... permute(string) print(permutations) See Question&Answers more detail:os...
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Oct 17, 2021
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ios - Xcode UI Test example
I have just recently learned about Unit Testing in Xcode. Now I am trying out Xcode 7 and I see there is ... properties, pre XCode 7 projects. See Question&Answers more detail:os...
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Oct 17, 2021
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ios
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417
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ios - Unable to send email using MFMailComposeViewController in simulator
I am new to ios app development, Below is the code I used to send an email. MFMailComposeViewController* ... check my email via simulator? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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0
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352
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ios - Enable/Disable Apple Push Notification from iPhone app?
I have one more doubt on APNS. That is when the app first launch the app asks for Apple Push Notification ... help me. Thanks in advance. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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ios
0
votes
196
views
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answer
ios - Accessing variables from another ViewController in Swift
I have the following ViewController: class PageContentViewController: UIViewController { var pageIndex: Int } How would I ... / in Swift? } See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
points)
ios
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votes
227
views
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ios - Press-and-hold button for "repeat fire"
I have referred to countless other questions about a press-and-hold button but there aren't many related to ... button for a different function. See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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ios
0
votes
176
views
1
answer
ios - An elegant way to ignore any errors thrown by a method
I'm removing a temporary file with NSFileManager like this: let fm = NSFileManager() fm.removeItemAtURL(fileURL) / ... , without using do/catch? See Question&Answers more detail:os...
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Oct 17, 2021
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ios
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341
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ios - Xcode attach to process doesn't display NSLog
I'm just getting started with Apple Watch. I found instructions from "Five Minute Watchkit", on getting the ... statement in the debug console. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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ios
0
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243
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ios - Create Directory in Swift 3.0
I am a new student in 9th grade learning swift, creating a school project . I am trying to create a ... in resolving this issue. Thanks. See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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196
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ios - Xcode 4.3.2, issue with running on simulator
I have been having this weird problem with Xcode 4.3.2, of course after the recent update. After successfully ... by me. Any suggestions? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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ios
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385
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ios - NSNumberFormatter and 'th' 'st' 'nd' 'rd' (ordinal) number endings
Is there a way to use NSNumberFormatter to get the 'th' 'st' 'nd' 'rd' number endings? EDIT: Looks like it ... rd" and "th" endings for numbers? See Question&Answers more detail:os...
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Oct 17, 2021
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ios
0
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523
views
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answer
ios - Could not build module 'FBSDKCoreKit' For FacebookSDK 4
I am having issue while updating Facebook SDK 3 to 4 when I add the framework it was added successfully. but when ... ". Don't know the reason. See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
points)
ios
0
votes
282
views
1
answer
ios - Swift UITableView reloadData in a closure
I believe I'm having an issue where my closure is happening on a background thread and my UITableView isn't ... ) is called in my debugger See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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ios
0
votes
261
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ios - NSJSONSerialization from NSString
Is it possible if I have a NSString and I want to use NSJSONSerialization? How do I do this? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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ios
0
votes
247
views
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answer
ios - How do I disable a UIButton?
I am working on a project in which I have to show all photos of Photo Library in a plist and show them ... nor works. What should I do? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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ios
0
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175
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answer
ios - Change button background color using swift language
I am new to the swift language. Can someone tell me how to change the background color of a button using the swift language? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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ios
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votes
352
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ios - Cannot subscript a value of type '[String : Any]' with an index of type 'UIImagePickerController.InfoKey'
I'm using Apple's Swift iOS Tutorial. Which is throwing an error, Cannot subscript a value of type '[String ... might have changed or broken. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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ios
0
votes
193
views
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answer
ios - Append String in Swift
I am new to iOS. I am currently studying iOS using Objective-C and Swift. To append a string in Objective ... ); Anyone please guide me. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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ios
0
votes
322
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1
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ios - Instagram hooks pre-select media issue
This is my code. The file is correctly added to photos library, but in instagram app this url -> instagram:// ... if this has something to do See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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ios
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250
views
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ios - How Do I Get The Correct Latitude and Longitude From An Uploaded iPhone Photo?
My problem actually seems rather silly... I am writing an iPhone application that uses MKMapKit. The app grabs ... ._havePictureData = YES; } See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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ios
0
votes
408
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answer
ios - Pass multiple parameters to addTarget
In my UITableViewCell I have a button. And I want to add action to it by passing multiple parameters ... , forControlEvents: .TouchUpInside) } See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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ios
0
votes
242
views
1
answer
ios - Setting up UIScrollView to swipe between 3 view controllers
I am trying to set up a UIScrollView so that I can swipe between my 3 view controllers. This is my code in ... How would I go about doing that? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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0
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260
views
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ios - Get pixel value from CVPixelBufferRef in Swift
How can I get the RGB (or any other format) pixel value from a CVPixelBufferRef? Ive tried ... CVPixelBufferUnlockBaseAddress(pixelBuffer, 0) } See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
points)
ios
0
votes
358
views
1
answer
ios - How to use both google+ and facebook login in same appdelegate.swift
My app use google+ signin and in my appdelegate.swift i have: func application(application: UIApplication, ... appdelegate.swift Thank you. See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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深蓝
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71.8m
points)
ios
0
votes
141
views
1
answer
ios - How to create a UIImage from the current graphics context?
I'd like to create a UIImage object from the current graphics context. More specifically, my use case is a view ... on how to do this? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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ios
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334
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ios - Codesign returned unknown error -1=ffffffffffffffff
I tried to code sign an iOS application, These are the steps that i followed security create-keychain -p password $ ... only in Mac OS Sierra. See Question&Answers more detail:os...
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Oct 17, 2021
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291
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ios - Can't Load UIViewController XIB file in Storyboard in Swift
I've read Using XCode storyboard to instantiate view controller that uses XIB for its design but I'm having ... just curious at this point. See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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