Recent questions tagged ios

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ios app extension - iOS AppExtension : How can I Combine NSExtensionActivationRule and NSPredicate

I am currently developing an iOS application containing a Share extension. I realized that the ... inside a predicate? 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 paste image from pasteboard on UITextView?

I have the following code on a keyboard extensión let pasteboard = UIPasteboard.generalPasteboard() var image = ... but still not working. 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 - What is the right way to create scrollable table in SKSpriteKit?

I need a way to display a leaderboard - best user scores (local user, local scores). Do I need to ... above SKView with transparent background? 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 - Custom UITableViewCell with Progress Bar download update

I am trying to update a each table cell with progress bar loading, but I am stuck. I created a custom cell ... delegate = self; return cell; } 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 - Having UIView drawRect occur in a background thread

I would like to have a UIView subclass that implements a method similar to setNeedsDisplay, except that ... reasonably doable? 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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342 views

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ios - CIImage display MTKView vs GLKView performance

I have a series of UIImages (made from incoming jpeg Data from server) that I wish to render using MTKView. ... is not a valid MTLPixelFormat. 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 Google SDK Map cannot create dotted polylines

I have called the below method to draw the dotted polylines between the markers. When it comes to the execution, it ... greenColor]]; } } } } 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 - Odd property declaration syntax containing angular brackets <>

I just downloaded FourInARow from 2015 WWDC sample code (https://developer.apple.com/sample-code/wwdc/2015/) and ... ; What does it mean? 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 WCSession with more than one ViewController

I found many questions and many answers but no final example for the request: Can anyone give a final example ... too and the calories burned. 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 - Initializing Swift properties that require "self" as an argument

I have a Swift class that I'd like to look something like this: class UpdateManager { let timer: ... to accomplish initialization like 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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664 views

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ios - SwiftUI - is it possible to get didSet to fire when changing a @Published struct?

I have just updated to XCode 11.4 and some of my code has stopped working. I have some @Published struct ... didSet method of the publisher? 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 - Xamarin "The executable was signed with invalid entitlements"

I want to test my created iOS app on my iPhone. The build was successful but while xamarin studio tries to ... created. Can anyone help me? See Question&Answers more detail:os...

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

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350 views

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ios - CollectionView duplicate cell when loading more data

The problem: I have a CollectionView which loads a UIimage into each cell. However my problem is that when I ... hnk_setImageFromURL(url!) } } } See Question&Answers more detail:os...

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

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211 views

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ios - Programmatically sending an app to background

Is there a way to send the application to background? Similarly to how you can call XCUIApplication.terminate(), I ... this is at all possible? 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 - When i am using UIImagePNGRepresentation or UIImageJPEGRepresentation for converting UIImage into NSdata, the image size is too much increased

When i am using UIImagePNGRepresentation or UIImageJPEGRepresentation for converting UIImage into NSdata, the image size ... in your resources See Question&Answers more detail:os...

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

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234 views

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ios - Core Data sum of all instances attribute

Using Core Data, I encountered a problem. I have an entity "Movement" with an attribute "amount". How do I make ... but it's good enough NSSet. See Question&Answers more detail:os...

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

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376 views

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ios - CloudKit count records

I have a "table" that can potentially have many records, when adding a new record I need to know how many ... number of rows in the table? 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 - All notifications disappearing after opening one of them

I have a server that sends me push notifications and let's say that I have 5 notifications on ... application.applicationIconBadgeNumber = 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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346 views

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ios - Offline crash reporting in Crashlytics

I intentionally crashed my application when there was no WIFI to check whether the crash report is updated in ... help would be 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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290 views

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ios - Is there a way to hide "Back to Safari" from status bar in iOS9?

How to hide this < Back to Safari from status bar programmatically? I'm getting it in my app - as I'm going ... . It shouldn't be here anymore. See Question&Answers more detail:os...

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

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335 views

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ios - Remove top line from TabBar

On iOS 10 this code doesn't work in order to remove the tabBar shadow line: [[UITabBar appearance] ... iOS 10 ignores setShadowImage command. See Question&Answers more detail:os...

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

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967 views

1 answer

ios - Google 400 Error: invalid request Custom scheme URIs are not allowed for 'Web' client type

When I am signing into Gmail in my iOS App, I am getting the below error (screenshot) and the sign-in ... time before needing to update 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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255 views

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ios - Searching through child values Firebase / Swift

My database has values sorted like this : Users UID Username Email I'm wanting to implement a friend adding ... either their username/email? See Question&Answers more detail:os...

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

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232 views

1 answer

ios - Creating a custom progress bar with images

Pretty much what I am trying to do, is create the following image: So this is a progress bar, which will ... create that progress bar: Cheers. See Question&Answers more detail:os...

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

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371 views

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ios - UIAlertView is Not Working in Swift

when i runt this code in swift, i dont know why the app terminates by showing a break point in the "alertView. ... : "Cancel" ) alertView.show() See Question&Answers more detail:os...

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

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190 views

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ios - Capture location in all states app

I wonder how to capture the location when the app is not running and save the database. Already followed several ... when app in all states. 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

1 answer

ios - UILabel, UIFont and UTF-8 Triangle

I'd like to use "BLACK RIGHT-POINTING TRIANGLE" (U+25B6) as a part of my UILabel's text. The label ... it possible to see the plain version? 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 - Camera image orientation

In my app I'm capturing images using the Camera. These are being stored in an NSArray as an NSData ... Anyone have an explanation? 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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