Recent questions tagged iOS

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ios - Why does my SwiftUI app crash when navigating backwards after placing a `NavigationLink` inside of a `navigationBarItems` in a `NavigationView`?

EDIT: This has been fixed in iOS 13.3! Minimal reproducible example (Xcode 11.2 beta, this works in Xcode ... crossed that the fix lands soon. See Question&Answers more detail:os...

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

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210 views

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ios - Logging Method signature using swift

I am trying to rewrite my logging class and I would like to know how to substitute PRETTY_FUNCTION or ... track the method calls? See Question&Answers more detail:os...

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

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280 views

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ios - Alternative ways to push view controllers with storyboard programmatically

I'm looking for alternative ways to push view controllers instantiated on storyboard programmatically. I've actually ... to modal views. See Question&Answers more detail:os...

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

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329 views

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ios - Swift - Segmented control - Switch multiple views

Until now I still can't figure how to switch multiple views in one view controller. My storyboard is like ... best practice to differentiate it? See Question&Answers more detail:os...

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

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571 views

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ios - UINavigationController without navigation bar?

I have a universal app, and on the iPad version I'm using UISplitViewController to create an interface similar ... a toolbar or navigation 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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324 views

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ios - How to manually deprecate members

Unlike Objective-C, Swift has no preprocessor, so is there still a way to manually deprecate members of a class ... : -(id)method __deprecated; 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 avplayer trigger streaming is out of buffer

I want to reconnect to the server when the streaming buffer is empty. How can I trigger a method when the ... or any observers I should add? See Question&Answers more detail:os...

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

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574 views

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ios - UITableViewCell With UIWebView Dynamic Height

I have a table view with cells that have a webView in them, I want the height of the cell to match the height ... , How can I fix this 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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349 views

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ios - align text using drawInRect:withAttributes:

In the iOS 5 version of my app I had: [self.text drawInRect: stringRect withFont: [ ... NSLineBreakByTruncatingTail and NSTextAlignmentRight? See Question&Answers more detail:os...

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

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552 views

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ios - Adding Background image to UILabel

How can I add a background image to a UILabel in an iPhone Application. I've tried to do it through IB but with no result. See Question&Answers more detail:os...

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

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210 views

1 answer

ios - How does UIEdgeInsetsMake work?

I'm making an app where I use UIEdgeInsetsMake for resizableImageWithCapInsets, but I don't understand how does it ... an image, thanks! :D See Question&Answers more detail:os...

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

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212 views

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ios - How to build .ipa for React Native?

I come to React Native development without previous experience in iOS development. I want to build release. .ipa ... currently using RN 0.20. See Question&Answers more detail:os...

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

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357 views

1 answer

ios - Auto Layout to dynamically size uilabel width

So I have two UILabels side by side in Storyboard. The second label should butt up against the right edge of ... I set this up in Storyboard? See Question&Answers more detail:os...

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

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220 views

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ios - How can I add private key to the distribution certificate?

Well, I've got my Developer Certificate linked with it's private key. Works Fine. I've downloaded my iOS ... Valid Signing identity 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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567 views

1 answer

ios - Using convertPoint to get the relative position inside a parent UIView

I've looked at a dozen SO questions on this topic, and none of the answers have worked for me. ... combination of covertPoint settings. Right? See Question&Answers more detail:os...

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

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254 views

1 answer

ios - Color in storyboard not matching UIColor

I am defining a color in code as [UIColor colorWithHue:32.0/360.0 saturation:0.88 brightness:0.97 alpha:1] ... RGB?) color in interface builder. See Question&Answers more detail:os...

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

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202 views

1 answer

ios - Why doesn't Xcode 4 create any products?

Regardless of build configuration, building my iPad app does not actually output a .app file. It does run in ... in build settings. 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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307 views

1 answer

ios - presentViewController and displaying navigation bar

I have a view controller hierarchy and the top-most controller is displayed as a modal and would like to know ... animated:YES completion: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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466 views

1 answer

ios - Xcode 8 Beta - Convert to Current Swift Syntax Failed: Could not find test host

I am receiving an error message when I try to use Xcode 8's Convert Wizard. After trying rebooting, downloading ... a screenshot of the error: See Question&Answers more detail:os...

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

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645 views

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ios - 'Module was not compiled for testing' when using @testable

I'm trying to use Swift's @testable declaration to expose my classes to the test target. However I'm getting this ... I get rid of this error? See Question&Answers more detail:os...

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

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851 views

1 answer

ios - how to lock portrait orientation for only main view using swift

I have created an application for iPhone, using swift, that is composed from many views embedded in a navigation ... How Can i do that? 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

1 answer

ios - Programmatically Linking UIPageControl to UIScrollView

I am making a simple slideshow view within my app. I'd like to link my UIPageControl to my ... == UIInterfaceOrientationPortrait); } @end See Question&Answers more detail:os...

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

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355 views

1 answer

ios - Xcode - Error ITMS-90635 - Invalid Mach-O in bundle - submitting to App store

I just got this error when submitting an app to the app store. Does this mean I need to set ENABLE_BITCODE for ... (or something like that)... See Question&Answers more detail:os...

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

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368 views

1 answer

ios - Watchkit AppIcon - The app icon set named "AppIcon" did not have any applicable content

There is the Images.xcassets file in my WatchKit App. As soon as I put any icon in that asset build ... not have any applicable content." See Question&Answers more detail:os...

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

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229 views

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ios - Assertion failure when using UISearchDisplayController in UITableViewController

I've been trying to add simple Search functionality to a TableViewController in my app. I followed Ray Wenderlich's ... all your time (: Alex. See Question&Answers more detail:os...

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

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228 views

1 answer

ios - Get latitude/longitude from address

How can I get latitude and longitude from a full address (street, city, etc.) input by the user, using the iPhone SDK 3.x? See Question&Answers more detail:os...

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

0 votes

214 views

1 answer

ios - How to change label constraints during runtime?

I have a table view and a cell inside it. The cell contains three labels: header label and two labels below ... source code example to Github. See Question&Answers more detail:os...

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

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358 views

1 answer

ios - How to get the size of a scaled UIImage in UIImageView?

The image.size attribute of UIImageView gives the size of the original UIImage. I would like to find out ... reverse engineering its scaling)? See Question&Answers more detail:os...

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

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