Recent questions tagged iOS

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ios - How to convert a MTLTexture to CVpixelBuffer to write into an AVAssetWriter?

I have a requirement to apply filters on the live video and I'm trying to do it in Metal. But I have ... and then saving it to the Library. 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 - NSDate time converting from 12hr to 24 hr format

hi i have problem while converting Date Formats... the date time is in the Format 12 hour Format like 12/9/2010 ... me please.... Thx 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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ios - In a UICollectionView, the cells will not sit on the bottom

Note it turned out it was a simple mistake the cells would not "sit on the bottom". However, it's an ... zero. What could be the problem? 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 - Programmatically change height of navigation bar in swift

I want to make a taller navigation bar and I am trying to do this using a subclass of UINavigationBar. Here ... of changing the height? 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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957 views

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ios - How to update existing object in core data ? [Swift]

I have preloaded data from a .csv file into coredata. I am fetching the data in the following way var ... not have a member named isFavourite See Question&Answers more detail:os...

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

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810 views

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ios - Trying to compile the FFMPEG libraries for iPhoneOS platform with armv6 and arv7 architecture

I'm trying to compile the FFMPEG Libraries for IOS platform with arm7 architecture. I downloaded the FFMPEG ... to update anything. 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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ios - Swift closure in array becomes nil in Objective-c

I created an objective-c method which will invoke a method via NSInvocation: typedef void (^ScriptingEmptyBlock)() ... is closure becoming nil? See Question&Answers more detail:os...

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

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807 views

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ios - How to instantiate and load a view controller before segueing to it using swift

I have an issue when I go from viewController A to viewController B, in which it has roughly a 5 second ... read the comments below 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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ios - How to make attributed string within a UITextView accessible?

By default the screen reader will select the entire view, and the link isn't able to be ... .append(enableLinkText) return quoteAttributedStr See Question&Answers more detail:os...

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

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758 views

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ios - Publish or manage permissions are not permited to to be requested with read permissions FACEBOOK SDK

I am currently trying to implement Facebook Login and Registration Flow to our Application. But there is a little ... should i do 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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ios - airplay in simulator - objective-c

I've set "allowsAirPlay" to "YES" in my MPMoviePlayerController, but AirPlay button doesn't appear. Does iOS ... through Apple TV for 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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873 views

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ios - NSCalendar, why does setting the firstWeekday doesn't effect calculation outcome?

i need to calculate the weekday for a given date, however, depending on the calendar a week can star on ... returns same numbers, but why? See Question&Answers more detail:os...

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

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1.3k views

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ios - How to force "Respect Language Direction" from RTL to LTR and vice versa

I have an application which uses Auto Layouts. The app switches RTL and LTR languages perfectly when the user ... not respected. Any ideas? See Question&Answers more detail:os...

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

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840 views

1 answer

ios - Opening import file for module 'Swift' Permission denied

I'm a newbie at working in Xcode and swift. I was working on a iOS project on my macbook (while on ... help from you guys. Cheers Gareth See Question&Answers more detail:os...

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

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928 views

1 answer

ios - Access to container view controller

I have simple ViewController which have one container view with TableViewController. At ViewController I loading data from ... that? 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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972 views

1 answer

ios - How to add copyright information to a Nib file?

I've just finished a total re-write [1] of one of Apple's example applications and I am going to release ... 2nd order low high and bandpass). See Question&Answers more detail:os...

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

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779 views

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ios - Consecutive Animation Calls Not Working

I have a button that calls an animateWithDuration code that fades an image out, fades text & a new bg color ... }//End of 'Finished' animation See Question&Answers more detail:os...

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

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913 views

1 answer

ios - No matching provisioning profiles found for WatchKit extension when submitting to App Store

I'm using xcode 6.3 xcode had created a provisioning profile "xxx.xxx.xxx.watchkitextension" automatically, in the ... Store. 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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892 views

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ios - URL Opening Swift App - Open Works - Called Function Does NOT work

Hello All - I am a newbie here ... trying to get my first iOS Swift (Xcode 11.2.1 / Swift 5 / ... indications are that is should "just work" See Question&Answers more detail:os...

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

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1.6k views

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ios - QLPreviewController change title?

Is it possible to change the title of an item in an QLPreviewController? I've already tried with: Subclassing ... /4 second. Any ideas? See Question&Answers more detail:os...

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

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823 views

1 answer

ios - maximum number of tabs for UITabBarController without moreViewController

Short of actually creating a UITabBarController and performing the relevant experiment, does iOS have a programmatic way of ... work I'm doing. See Question&Answers more detail:os...

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

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775 views

1 answer

ios - Application not in the App Store Search

I just got an Email this morning saying my Application (Fuel+) is Ready for Sale. So I "Rushed" to my iPhone ... first App in the App Store.) See Question&Answers more detail:os...

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

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741 views

1 answer

ios - Create an (repetitive high pitch) Alarm on a remote trigger when App is not running (iphone/android) just like Find My iPhone

I would like to cause an alarm on a remote iphone/android device when the app is running or not running ... on ios and android ? See Question&Answers more detail:os...

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

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865 views

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ios - Make Segue programmatically in Swift

I have two VCs: VC1 and VC2. In VC1, I have a finish button which I programmatically made and a result ... delegate to pass the result array? See Question&Answers more detail:os...

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

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760 views

1 answer

ios - iPhone libxml2 undefined symbols (with gdata, kissxml, touchxml, etc.)

I'm trying to use any one of the libxml based 3rd party XML parsers, but I can't because I think I have ... .o ld: symbol(s) not found See Question&Answers more detail:os...

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

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899 views

1 answer

ios - how to make xcode run a script before dependencies?

Scenario: I have TargetA, which is an iOS application. This app uses a static library, compiled by TargetB ... selects the order arbitrarily. See Question&Answers more detail:os...

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

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1.1k views

1 answer

ios - Encode '+' using URLComponents in Swift

This is how I add query params to a base URL: let baseURL: URL = ... let queryParams: [AnyHashable: Any] ... NSURL's constructor init?(string:). See Question&Answers more detail:os...

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

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930 views

1 answer

ios - Size class specifically for portrait 3.5 inch (iPhone 4S) Xcode 6?

I'm tuning my UI App, but I got an issue that I can't solve. As I can see Compact height affects all iPhones ... to find my best way out here. See Question&Answers more detail:os...

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

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