Recent questions tagged iOS

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ios - Swift - Clipping image with UIBezierPath

I would like to clip a bezier path from an image. For some reason, the image remains the unclipped. ... () return maskedImage } } 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 lock viewController in Portrait mode

I am woking on iOS application in swift. I have used UITabBarController as a rootViewController. I have list of ... How to fixed this issue. 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 - Two button simultaneous press input

I'm trying to put two buttons on the screen and set them up so that the user needs to press them both at ... then see where the touches land? 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 - SpriteKit - SKScene bounds are not equal to SKView bounds

Recently I've created a new Xcode - Game project. Without touching anything I ran the template. I was expecting a ... it fill the whole screen? 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 - Detect array with issue (Debug mode)

My app is crushing when i'm calling a few methods I can see the error message and I understand what ... uncaught exception of type NSException See Question&Answers more detail:os...

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

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270 views

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ios - Multiple async requests at once in objective c

I have am downloading multiple images from a web server at the same time, and I the problem is they are ... way to speed up download speeds? 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 - AFNetworking NTLM Authentication?

I am banging my head trying to get AFNetworking to work since this is my first app that had to deal with Client ... password"]; 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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ios - Dynamic cell height with SDWebImage

I have a table view and table view cells with an image view on them. I want them to have a fixed width ... .image = image setNeedsLayout() } } 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 - UITableview Scroll erases data in text field inside UITableviewcell

I have a UITableViewController with UITextfield inside the tableview cells. If I scroll the table view, the user ... work. Any help please. 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 exactly does `: class` do in a protocol declaration?

This SO post explains pretty well how to solve the issue of creating a delegate that is weak. Essentially, there ... what exactly does it do? See Question&Answers more detail:os...

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

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332 views

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ios - didReceiveRemoteNotification function doesn't called with FCM notification server

I'm using FCM server for remote notifications, it worked perfectly with sending and receiving notifications. My ... (.newData); } See Question&Answers more detail:os...

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

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361 views

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ios - How to POST data using AFNetworking 2.0?

I need to send my data by POST, in variable data. I do it like this: AFHTTPRequestOperationManager *manager = [ ... data to the web server? See Question&Answers more detail:os...

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

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430 views

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ios - Applying different attributes for different portions of an NSAttributedstring

I know it is possible to apply attributes to an NSAttributedString. But how can we apply different attributes ... an NSAttributedString in 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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537 views

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ios - GKMatchMaker invite handler deprecated

I have the following code that I have been using before to handle invitations: [GKMatchmaker sharedMatchmaker]. ... handler in my project? See Question&Answers more detail:os...

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

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386 views

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ios - How do I mock network requests in Xcode UI tests while the tests are running?

We've got a suite of UI tests for our app written using KIF which I'd like to convert to use the new ... get it to mock the requests itself? See Question&Answers more detail:os...

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

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319 views

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ios - Can't use @ObservedObject on real iPhone

i can't get my view to appear when it uses @ObservedObject in it. The app crashed when i try to present it ... View { ContentView() } } #endif 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

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ios - Can't build an app for distribution after joining existing enterprise developer program

I joined an existing enterprise developer program. I was able to run the app in developer mode, but had issues with ... I do it in steps?? See Question&Answers more detail:os...

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

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393 views

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ios - UIActivityViewController => LaunchServices: invalidationHandler called

I am playing around with the idea of Airdrop. There is an error while running the sample ... - LaunchServices:invalidationHandler called See Question&Answers more detail:os...

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

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284 views

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ios - How do I loop through and get all the keys of the nested nodes in firebase?

I am trying to get the keys of the nested nodes in Firebase and I am not sure how to do this. For ... of all the nested nodes in Firebase? 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: IBoutlets are nil in Custom Cell

I can't figure out why this custom cell is not being output. I have a custom cell set up in a storyboard ... items[indexPath.row]) 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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255 views

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ios - How to solve Mach-O-Linker error in ios7 & Xcode 5.0.1

I cannot compile my project for the simulator . I get Apple Mach-O-Linker error.I cant understand how to solve the ... -v to see invocation) " See Question&Answers more detail:os...

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

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235 views

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ios - Updating sqlite database without XML

My app requires data from a sqlite database. It will ship with a version of this database, but I need to ... fileData and error into that call? See Question&Answers more detail:os...

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

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689 views

1 answer

ios - How can I change the height of UITextField in UIAlertController in Swift?

I have added a UITextField in a UIAlertController. I want to change the height of the text field. I have tried this ... : nil) It's 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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382 views

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ios - Is calling cellForRowAtIndexPath: ever practical?

I've seen many many developers when implementing a UITableViewDelegate and UITableViewDataSource directly call ... it themselves? 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 - indexPathForRowAtPoint returns nil only for first cell in a uitableview

I have a UIButton inside of a custom UITableViewCell that removes the cell when the button is pressed. In order to ... are each equal to 60.0f See Question&Answers more detail:os...

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

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351 views

1 answer

ios - Customize Google Maps blue dot for current location

I'm using a 2013 version of Google Maps SDK for iOS. I would like to customize the default blue dot for current ... to do it with Google Maps. See Question&Answers more detail:os...

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

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381 views

1 answer

ios - SpriteKit not respecting zPosition?

What effect addChild and zPosition really have on a scene? I mean this: suppose I do this sprite1.zPosition = 50 ... 1. am I missing something? See Question&Answers more detail:os...

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

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328 views

1 answer

ios - Why use coreBluetooth connectPeripheral did not call delegate methods in IOS8

I want use CoreBluetooth.framework in IOS8 to achieve data transfer, i did discover peripheral in the follow method ... and another be Central. See Question&Answers more detail:os...

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

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