Recent questions tagged iOS

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ios - How does Xcode load the main storyboard?

When I create a new single view application in Xcode 4.6 using storyboard, we can see that the main function creates ... I poke to find 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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ios - Swift : How to get the string before a certain character?

How do I get the string before a certain character in swift? The code below is how I did it in Objective C, ... or how to resolve it correctly. 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 - Realm object has been deleted or invalidated

When I start my app, I perform an API call to see whether there's new data available. The data is ... League objects prior to deleting them? 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 - Xcode 9: Could not attach to pid

I've been facing an issue (frequently) with the recent major release of the iOS application development tool - ... it's disturbing frequently? 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 - Change the color of a link in an NSMutableAttributedString

I have the following code but my links are always blue. How do I cange the color of them? [_string ... the position and length work fine. See Question&Answers more detail:os...

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

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452 views

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ios - How to get enum from raw value in Swift?

I'm trying to get enum type from raw value: enum TestEnum: String { case Name case Gender case Birth var ... Any suggestions how to get 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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ios - Xcode gave strange newsstand-error when trying to submit an app

finaly everything works fine and I want to submit my first app the the Appstore. But when I click submit in ... ? Markus Xcode Version 4.1 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 - How do you obscure text in a password field in an iPhone Application?

I have a password field in my application (UITextField). When user enters text in the field, I want it to ... can I get the desired behavior? See Question&Answers more detail:os...

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

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196 views

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ios - iPhone private API compiling

I'm searching through the whole internet since a few hours now, and I just can't find the informations I'm ... a few lines as an 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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ios - How to design a simple GLSL wrapper for shader use

UPDATE: Because I needed something right away, I've created a simple shader wrapper that does the sort of thing I ... OO, procedural, and so on) See Question&Answers more detail:os...

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

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496 views

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ios - xcode 5.1 - Undefined symbols for architecture x86_64 (zbar)

I have updated my x code version from 5.0 to 5.1 I have used ZBarSDK in my project for scan bar code. In ... iOS 6.1 Any help much 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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ios - How to build Cocoa Touch Framework for i386 and x86_64 architecture?

After building a Cocoa Touch framework (Swift or Object-C) and adding it to another project as "Embedded Binaries ... Not sure how correct this. 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 - SDWebImage does not load remote images until scroll

I am using SDWebImage library to load remote images into a table view which uses a custom cell class i have ... view. Thanks in advance!! See Question&Answers more detail:os...

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

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577 views

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ios - How do I create a horizontal scrolling UICollectionView in Swift?

How can I make a horizontal scrolling collectionView that fills up cells going across the rows rather than down ... trouble getting this going. 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 - How to wake up iPhone app from watchOS 2?

I have an app that has a very rich network layer and my apple watch app depends on all the models. Unfortunately ... how to wake up the 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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521 views

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ios - WKWebView - Javascript Confirm and Alert not working

I am using WKWebView to open up example.com, and on there I have a test link which is supposed to open up a ... JS alert. What am I missing? See Question&Answers more detail:os...

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

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249 views

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ios - Deallocate SKScene after transition to another SKScene in SpriteKit

I have a view controller that has three skscenes as children. When I ... = SKLabelHorizontalAlignmentModeLeft; bryce_role.horizontalAlignmentMode = SKLabelHorizontalAl...

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

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352 views

1 answer

ios - setting limit on concurrent tasks in AFNetworking 2 running AFHTTPSessionManager

so I know that in the old AFNetworking this was possible using the AFHTTPClient, and I know that if I use ... connections. What am I missing? See Question&Answers more detail:os...

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

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322 views

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ios - Modal View with Navigation Controller

still cannot figure out what I am doing wrong. Just trying to get a modal view with a navigation controller ... just diplaying a blank page See Question&Answers more detail:os...

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

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345 views

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ios - Ionic app image upload from camera / photo library

I'm working on a ionic chat app where the user can upload a photo as part of their message. I'm looking for a ... "], "/files/images"); ?> See Question&Answers more detail:os...

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

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429 views

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ios - NSURLSession background download - resume over network failure

After reading the Apple documentation about the background download with the new iOS7 api (NSURLSession), I'm a ... ? Have I missed something? See Question&Answers more detail:os...

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

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287 views

1 answer

ios - onaudioprocess not called on ios11

I am trying to get audio capture from the microphone working on Safari on iOS11 after support was recently added ... on iOS 11 with Safari? See Question&Answers more detail:os...

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

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323 views

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ios - Get AVAudioPlayer to play multiple sounds at a time

I'm trying to get multiple sounds files to play on an AVAudioPlayer instance, however when one sound plays, ... appreciated. Many thanks, Kai See Question&Answers more detail:os...

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

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462 views

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ios - How to turn off the automatic gesture to go back a view with a navigation controller?

So I'm noticing all of my views are receiving the gesture to go back (pop a view) when the user swipes on ... delegate seems to be using that). 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

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ios - How to efficient insert and fetch UUID in Core Data

I am looking for an efficient way to store and search UUID in Core Data. Those UUID are generated by many iOS ... to store UUID in Core Data? See Question&Answers more detail:os...

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

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352 views

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ios - Get Bundle ID from a different target

In my Xcode project, I have 4 different schemes (prod, dev, staging, staging2) which changes the bundle ... custom Run Script Build Phase? See Question&Answers more detail:os...

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

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530 views

1 answer

ios - Blinking effect on UILabel

I have a UILabel with background color as grey. I want a blinking effect on this label like it should become a ... Any clue how to achieve this? See Question&Answers more detail:os...

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

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456 views

1 answer

ios - Code Signing Error Whenever I try replacing stock files in new SceneKit application

So Xcode 8 was recently released and I'm still unsure as to what exactly might be causing this problem (it ... a file structure just for ease. See Question&Answers more detail:os...

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

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