Recent questions tagged IOS

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ios - What is Main Thread Checker in Xcode

I checked what's new in Xcode 9 documentation and I found this But i didn't understand what is that how I can use this with new Xcode 9. 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 - property "assign" and "retain" for delegate

For iOS developers, delegates are used almost everywhere. And seems like that we need to use "assign" instead ... retain for a delegate? 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 - Using Apple's Reachability to check remote server reachability in Swift

I'm developing an iOS application written in Swift that communicates with a HTTP server on the local network, ... '. 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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ios - Override UIAppearance property for MFMailComposeViewController

I am using the UIAppearance protocol to set the background image of UINavigationBar objects throughout my app. [[ ... way to accomplish 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 - How to properly use class extensions in Swift?

In Swift, I have historically used extensions to extend closed types and provide handy, logic-less functionality, ... Is there a silverbullet? 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 Decodable Optional Key

(This is a follow-up from this question: Using Decodable protocol with multiples keys.) I have the ... to decodeIfPresent for nestedContainer? 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 hide the TabBar when navigate with NavigationLink in SwiftUI?

I have a TabView with 2 tabs in it, each tab containing a NavigationView. I need to hide the TabBar when ... am using Xcode 11 Beta 5 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 - UIAlertView in Swift, getting EXC_BAD_ACCESS

First and foremost, I'm quite aware that Xcode 6 and the Swift language are in Beta and are prone to ... else has run into similar issues. See Question&Answers more detail:os...

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

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697 views

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ios - Opening TestFlight app from another app and deep link to specific app

How do i find the scheme of another app and deep link to it from my own iOS app? More specifically, I want ... would be the equivalent on iOS? 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 - UICollectionView reloadData resigns first responder/dismisses keyboard when searchBar is in section header

I have a UICollectionView that have section header. In the section header I have a UISearchBar. I want to filter ... then that would be great! See Question&Answers more detail:os...

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

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616 views

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ios - UITapGestureRecognizer Programmatically trigger a tap in my view

Edit: Updated to make question more obvious Edit 2: Made question more accurate to my real-world problem. I'm ... that "Stuff" occured ]] } See Question&Answers more detail:os...

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

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301 views

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ios - Why is SwiftUI picker in form repositioning after navigation?

After clicking the picker it navigates to the select view. The item list is rendered too far from the top, but snaps ... 13.3 beta 1 on device). 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 - "This app is not allowed to query for scheme cydia" IOS9 error

I have an app where I hit a HTTP Request <NSURLConnection: 0x12d755110> { request: <NSMutableURLRequest: 0x12d754e10> { URL: ... :::::::::::0 See Question&Answers more detail:os...

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

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396 views

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ios - UILabel: background dependent color

I have tried to search for solutions for this problem, but I am not even able to put it correctly in words I ... this result? And in case, how? See Question&Answers more detail:os...

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

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436 views

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ios - Launching phone/email/map links in WKWebView

KINWebBrowser is an open source web browser module for iOS apps. I recently upgraded KINWebBrowser to use ... the KINWebBrowser GitHub 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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412 views

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ios - How to have a UIScrollView scroll and have a gesture recognizer?

I have a gesture recognizer on a UIScrollView, however it hardly ever gets called as the UIScrollView eats ... an alternate solution? 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 - Using Cocoapods in an app extension using a framework

I have an app (let's call it MyApp) written in Swift with the following targets : MyApp : the main target ... will update when I have news. See Question&Answers more detail:os...

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

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475 views

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ios - How to resolve app validation "The app references non-public selectors in Payload/MyApp.app/MyApp: _setAlwaysRunsAtForegroundPriority:"?

Just days ago I successfully upload Ionic app to Apple Store, and on this day I am receiving validation warning: ... on how to resolve? 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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570 views

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ios - Preferred status bar style of view controller is ignored when in navigation controller

I'm writing an iOS App with multiple views. I've set the App to use ViewController-based status bar style, ... the default black status bar. See Question&Answers more detail:os...

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

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217 views

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ios - iPhone: Push Notification Testing on Production Certificate

I have a quick question. I have been testing Development Push Notification Certificate for my iPhone App ... production certificate? 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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287 views

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ios - XCTest build errors for test target Xcode 5:

I have set up an XCode 5 iOS 7 project for unit tests. Of course, setting up the unit tests are taking me so ... i386 Any ideas on how to solve? See Question&Answers more detail:os...

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

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266 views

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ios - Where to set environment variables for app?

I'm working with source code that is frozen and cannot be changed; but its ENV aware and expects changes ... environment variables in Xcode 4? See Question&Answers more detail:os...

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

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584 views

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ios - How to pass swift enum with @objc tag

I need to define a protocol which can be called in a class that use some Objective-c type But doing that doesn' ... my enum with the @objc tag? See Question&Answers more detail:os...

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

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347 views

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ios - FIRInstanceID/WARNING STOP!! Will reset deviceID from memory [Xcode : Console Log]

After updating to XCode 8 GM(Swift 3) Firebase started logging these error's in the Console:- FIRInstanceID/ ... GCM token after 5 retries See Question&Answers more detail:os...

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

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483 views

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ios - How to programmatically dismiss UIAlertController without any buttons?

I'm presenting an UIAlertViewController without any buttons, as it is supposed to just inform users that uploading is ... , repeats: false) } See Question&Answers more detail:os...

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

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258 views

1 answer

ios - UITableView move to cell

I want to make next: I have an UITableView that have to dispaly words (A-Z). Currently when view ... need to make scrollToRowAtIndexPath 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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267 views

1 answer

ios - UITextView data change swift

How can you detect a change of data in a UITextView with Swift? The following code does not do any detection. ... (bodyText.text) } Thanks Scott See Question&Answers more detail:os...

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

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563 views

1 answer

ios - Proportional height (or width) in SwiftUI

I started exploring SwiftUI and I can't find a way to get a simple thing: I'd like a View to have ... way) is specifying a proportional height. See Question&Answers more detail:os...

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

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