Recent questions tagged iOS

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ios - How to create iPad Document Preview interface like those found in iWorks for iPad

Willing to award a +500 bounty for a working example. There are only 2 source code examples that I know ... there are working examples posted. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Read texture bytes with glReadPixels?

I want to dump raw texture data to disk (to read back later), and I'm not sure about glReadPixel will read ... read the buffer from my texture? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Get SSID in Swift 2

Im trying to use this code to get SSID import Foundation import SystemConfiguration.CaptiveNetwork public class SSID { ... Thanks for your help See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Using CollectionView in UIView with xib file

i'm doing with this, i want to use CollectionView, but i haven't seen prototype cell, and don't ... and hard to manage than UICollectionView See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Does Non-Renewing subscription requires a restore button?

My app got rejected because of restore button on non-renewing in app purchase. Do i have to remove ... restore his purchases.Please help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Handling JavaScript events in WKWebView

I'm trying to catch every onClick event in WKWebView. The website is working only with JavaScript so I cannot handle ... ) How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to embed a UITableView in a UIScrollview

How can I do the following in a UIViewController (containing a tableview as a subview) I initially have a ... scroll]; [scroll release]; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Repeat image horizontally and vertically

I want to repeat the following image: to achieve the following background: I tried a few codes as follow: ... "blue_pattern.png"]]; result: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Using AudioBufferList with Swift

I have a bridging function in Swift, one of whose arguments in C is AudioBufferList *. In Swift this generates ... mData: UnsafePointer<()> } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Open target="_blank" links outside of UIWebView in Safari

Inside my iOS Application I have an UIWebView. Now I want all links that have the attribute target="_blank" not to ... . How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - touchesBegan, touchesEnded, touchesMoved for moving UIView

I need to drag my UIView object. I use this code, but it does not work float oldX, oldY; BOOL dragging; - (void ... ; label.frame = frame; } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Remove UISegmentedControl separators completely. (iphone)

Is there a way to completely remove the line separating the two segments in a UISegmentedControl? Setting ... is not helping. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - UICollectionView scrolling in both directions

I made a UICollectionView with a vertical scroll. The width of the cell is more than than the screen width, so I ... any way to make it work? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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171 views

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ios - How to write Keyboard notifications in Swift 3

I'm trying to update this code to swift 3: NSNotificationCenter.defaultCenter().addObserver(self, selector: ... notification functions.. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How can I schedule local notification for the following scenario?

Experts, I have a scenario wherein I need to notify user three times a day (morning, afternoon, evening). And the ... do this? Help! Help! Help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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291 views

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ios - How do I detect if the HTML5 autoplay attribute is supported?

How do I best detect whether a browser's HTML5 video element supports autoplay? On current iOS Safari, for example ... is what I actually need. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

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ios - What do JSONSerialization options do and how do they change jsonResult?

I am using JSONSerialization quite often in my project. Here is an example of my JSONSerialization code: let ... Any help appreciated. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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299 views

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ios - What do the "M" and "A" icons in the Project Navigator of Xcode 4 mean when I create a new project?

Xcode 4 is showing me grey "M" and "A" icons next to my files in the project navigator. I believe they're ... t want to use source control yet? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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255 views

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ios - UITextField Should accept number only values

I have UITexfields i want that it should accept only number other shows alert that enter a numeric ... *valueFour=overtheCounterTextField.text; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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470 views

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ios - Xcode Crash Organizer does Not Symbolicate .xccrashpoint Files

The new Xcode 7 "Crashes" tab in the organizer shows a handful of crashes from the AppStore for my app. ... a proper stack trace on this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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402 views

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ios - Can't install WatchKit app on Apple Watch

I have a WatchKit app that runs fine in the Simulator. But when I try to run it on an actual ... Any suggestions? Thanks! Thomas Aylesworth See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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298 views

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ios - Debug Notification Extensions

I'm building a set of Notification Extensions (Service/Content). I'm unable to connect to Xcode debugger or even ... to see any kind of output? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

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ios - Capture "done" button click in iPhone's virtual keyboard with JavaScript

I'm wondering if there's a way to capture the iPhone's virtual keyboard's done button event, using JavaScript? ... when the user clicks done. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

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ios - Swift - UIImagePickerController - how to use it?

I am trying hard to understand how this works, but it's pretty hard for me. =) I have 1 ... ) { self.dismissModalViewControllerAnimated(true) } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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604 views

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ios - Xcode 7.1 Swift 2 Unknown class in Interface Builder file

I've created new Cocoa Touch File. Named it SwipingViewController. Then try to add Custom Class to ViewController. ... Here is my projects files See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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550 views

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ios - Swift 3: Expression implicitly coerced from 'UIView?' to Any

Someone else must have received this message while (or after) converting an iOS project to Swift 3, yet when ... might go about silencing them? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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ios - Firebase: Cannot upload production APNs certificate

I am currently testing an app in TestFlight and need a production APNs certificate in order to test ... for a production certificate? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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708 views

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ios - Got Unrecognized selector -replacementObjectForKeyedArchiver: crash when implementing NSCoding in Swift

I created a Swift class that conforms to NSCoding. (Xcode 6 GM, Swift 1.0) import Foundation private var nextNonce ... :] What should I do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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