Recent questions tagged IOS

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ios - How to remove all gesture recognizers from a UIView in Swift

I have written Swift code that attempts to remove all gesture recognizers from all subviews of a given custom ... as UIGestureRecognizer) } } See Question&Answers more detail:os...

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

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228 views

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ios - NSDictionaryOfVariableBindings swift equivalent?

The Apple documentation shows an unsettling blank space under the 'Creating a Dictionary' section of the UIKit ... macros are out entirely. See Question&Answers more detail:os...

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

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423 views

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ios - Storyboard uiviewcontroller, 'custom class' not showing in drop down

I have a UIViewController I created in my apps storyboard, as well as a custom UIViewController subclass which I ... 'Custom Class' drop down? See Question&Answers more detail:os...

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

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225 views

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ios - iOS11 WKWebview crash due to NSInvalidUnarchiveOperationException

With ObjectiveC I am developing a SingleView app targeting iOS 11 having one view controller/view. In the Main. ... of type NSException 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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219 views

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ios - Could not instantiate class named IBNSLayoutConstraint

I'm using XCode6 beta and trying out Swift. When I put some auto layout constraints in a view ... instantiate class named IBNSLayoutConstraint' See Question&Answers more detail:os...

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

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1.2k views

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ios - UITableView : viewForHeaderInSection: not called during reloadData:

I've set up the tableview with correct delegate and datasource linkages.. the reloadData method calls the datasource and ... . Why is that so? See Question&Answers more detail:os...

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

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293 views

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ios - Sprite kit side scrolling

I started working with Sprite kit and I Was wondering how can I create an infinite side scrolling game? I read ... about his issue? 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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260 views

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ios - AVPlayer stalling on large video files using resource loader delegate

I am using this approach to save the buffer data of the AVPlayer for video files. Found as the answer in ... the device and loaded 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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281 views

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ios - Capture Metal MTKView as Movie in realtime?

What is the most efficient way to capture frames from a MTKView? If possible, I would like to ... MBEMaxInflightBuffers commandBuffer.commit() } See Question&Answers more detail:os...

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

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243 views

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ios - Clean Architecture - Robert Martin - How to connect use cases

I'm trying to implement the Clean Architecture described by Robert Martin. More specifically I'm using VIPER which ... /issue-13-viper-swift. 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

1 answer

ios - How can I recycle UITableViewCell objects created from a XIB?

I'd like to create custom UITableViewCell using an XIB, but I'm not sure how to recycle it using ... to contribute, by all means! See Question&Answers more detail:os...

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

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390 views

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ios - Using ARC, is it fatal not to have an autorelease pool for every thread?

I read this: If you ever create a secondary thread in your application, you need to provide it with its own autorelease ... block(); } }); } See Question&Answers more detail:os...

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

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208 views

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ios - SectionIndexTitles for a UICollectionView

So I implemented a proper TableView with a search functionality and sectionIndexTitles. Now, I am trying to implement a ... Any ideas?! 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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223 views

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ios - Any way to install app to iPhone 4 with Xcode 8 beta?

When trying to run app on my iPhone 4, Xcode 8 beta shows me this message: This iPhone 4 is running iOS 7. ... install .app file to the iPhone? See Question&Answers more detail:os...

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

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511 views

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ios - Webkit overflow scrolling touch CSS bug on iPad

If you visit this page on your iPad device on the latest version of iOS you can follow along. http://fiddle. ... ? Thanks in advance, Will :) See Question&Answers more detail:os...

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

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255 views

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ios - UIWebView with Progress Bar

Hi I'm new to programming and I'm trying to make my first app for iPhones on Xcode. My app contains of a button ... /"]]]; Thanks for your 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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222 views

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ios - How can I extract a URL from a sentence that is in a NSString?

What I'm trying to accomplish is as follows. I have a NSString with a sentence that has a URL within the ... How else can this be done? See Question&Answers more detail:os...

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

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299 views

1 answer

ios - SCNBox different colour or texture on each face

I'm new to iOS development and I've got myself stumped. I am trying to render a cube using SceneKit that has a ... colour. How do I do 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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236 views

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ios - Xcode 8: Preparing Archive takes forever

Today I tried to archive and upload a App to iTunes Connect Beta Testing. Xcode stays at the point "Copying Swift ... 2014, macOS 10.12.1 Beta See Question&Answers more detail:os...

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

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476 views

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ios - Should I be using awakeFromNib or initWithCoder here?

My initial view controller is loaded, and I need an NSArray to be init'd, should I take care of this in an ... ] init]; } return self; } See Question&Answers more detail:os...

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

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783 views

1 answer

ios - Reload tableview section without scroll or animation

I am reloading a tableView section using this code - self.tableView.beginUpdates() self.tableView.reloadSections( ... view from scrolling. See Question&Answers more detail:os...

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

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402 views

1 answer

ios - IOS7 UIPickerView how to hide the selection indicator

How can I hide those 2 lines on the selected row? See Question&Answers more detail:os...

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

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222 views

1 answer

ios - Memory-mapped files and low-memory scenarios

How does the iOS platform handle memory-mapped files during low-memory scenarios? By low-memory scenarios, I mean ... Would this be preferable? See Question&Answers more detail:os...

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

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314 views

1 answer

ios - Why does UICollectionView log an error when the cells are fullscreen?

I have a UICollectionViewController using a UICollectionViewFlowLayout where my itemSize is the size of the ... navigation controller. See Question&Answers more detail:os...

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

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315 views

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ios - Understanding convertPoint:toView:

I do not quite understand the method convertPoint:toView:. In Apple's documentation it is written that convertPoint: ... this method be used? See Question&Answers more detail:os...

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

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777 views

1 answer

ios - Make UITableView not scrollable and adjust height to accommodate all cells

I'm embedding a UITableView inside of another UIScrollView. I only want the UIScrollView to scroll, not the ... go about doing 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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374 views

1 answer

ios - Why the Extension is "momd" but not "xcdatamodel" when search the path for the Model file

I create a Master-Detail application using Core Data. And there is a simple code to get the path for Model ... . Does anyone know the answer? See Question&Answers more detail:os...

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

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364 views

1 answer

ios - Objective-C delay action with blocks

I know that there are several ways of delaying an action in Objective-C like: performSelector:withObject: ... separate method? 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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