Recent questions tagged IOS

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ios - How to use NetworkReachabilityManager in Alamofire

I want functionality similar to AFNetworking in Objective-C with Alamofire NetworkReachabilityManager in Swift: // ... those use cases? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Where and When to get data for Watch Complication

After working with complications for a few days, I feel confident saying the following about the update process ... for a complication update? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Change frame programmatically with auto layout

I have a UITableView with Auto Layout and I need to reduce the height when the GADBannerView appears at the ... if Auto Layout is enabled? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to get the frame of a view inside another view?

I have an UIImageView in the self.view (the main View) and inside it there is a UIButton. I want to know ... in self.view not in UIImageView. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Detect if the application in background or foreground in swift

is there any way to know the state of my application if it is in background mode or in foreground . Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Rotate UIView around its center keeping its size

I'm trying to rotate an UIView a few radians but after applying the transformation it doesn't look to be ... .transform = transform; Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - null / nil in swift language

How would we define the following in swift programming language : null nil Nil [NSNull null] In other words, ... and enums. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - fatal error: malformed or corrupted AST file - Xcode

I get this error when building my app in the latest version of Xcode: fatal error: malformed or corrupted AST ... that directory doesn't exist! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Turn a page like a Book with UIView?

I am trying to switch between UIViews by making it look like you are turning a page in a book. The ... page toward the left or right? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Using UIPageViewController with swift and multiple view controllers

I'm trying to utilize a UIPageViewController in a Swift app with multiple view controllers. I have 2 view controllers ... really sure what's up. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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289 views

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ios - sqlite database update when app version changes on Appstore in iPhone

I have an app with version 1.0 on app store which uses sqlite database for reading the data. Now I ... . Any suggestions are welcome. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to get animated polyline route in GMSMapView, so that it move along with map when map is moved?

I have created animated polyline like CAShapeLayer by following code, I have added CAShapeLayer as sublayer ... .layer.addSublayer(shapelayer) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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226 views

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ios - Decrease the width of the last line in multiline UILabel

I am implemententing a "read more" functionality much like the one in Apple's AppStore. However, I am using a ... truncate the tail (see image)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

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ios - Draw shadow only from 3 sides of UIView

I've successfully implemented drawing a shadow around my UIView like this: block1.layer.masksToBounds = NO; block1. ... me. Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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304 views

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ios - UICollectionView with paging - setting page width

I have a Collection View that can show about 3.5 cells at a time, and I want it to be paging-enabled. But I'd ... the view. How can I do that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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155 views

1 answer

ios - Why to use tuples when we can use array to return multiple values in swift

Today I was just going through some basic swift concepts and was working with some examples to understand those ... bet. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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361 views

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ios - How do I select a project in my Podfile? I'm getting the error: Unable to find the Xcode project for the target 'Pods'

I'm doing the Ray Wenderlich tutorial called SimpleWeather. The podfile is in the same folder as the project. ... the project is SimpleWeather. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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191 views

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ios - Design UITableView's section header in Interface Builder

I have a xib file with a UITableView for which I want to add a custom section header view using the delegate ... which I added an UITableView. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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386 views

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ios - Swift + CoreData: Cannot Automatically Set Optional Attribute On Generated NSManagedObject Subclass

I have a coredata entity named Record and has a property dateUpdated. I noticed that the generated ... mark as optional manually. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

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ios - UICollectionView cell selection and cell reuse

Upon cell selection, I want to handle changing the cell appearance. I figured the delegate method collectionView: ... intended. Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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305 views

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ios - How do I adjust the left margin for prototype cells in a UITableView?

If I create a UITableViewController, for example via File → New Project... → iOS → Master-Detail Application ... to alter it programmatically. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

1 answer

ios - didUpdateLocations instead of didUpdateToLocation

With the release of iOS6 Apple wants us to use didUpdateLocations instead of didUpdateToLocation. Can ... properly use didUpdateLocations? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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160 views

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ios - UITableView clear background

I realize that iOS 7 has not officially been released and we should not discuss it BUT I am going crazy trying to ... . How to fix this problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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139 views

1 answer

ios - How to add a button with click event on UITableViewCell in Swift?

In my main page, I created a xib file for UITableViewCell. I'm loading the cell from that xib file and its ... way to solve this issue. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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307 views

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ios - Show UIPickerView text field is selected, then hide after selected

I am trying to create a text box that when it is selected a UIPickerView opens up with choices to select from. Once ... = "(bizCat[row])" } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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369 views

1 answer

ios - Swift : tap on a part of text of UILabel

I have a problem that "boundingRectForGlyphRange" always returns CGRect.zero "0.0, 0.0, 0.0, 0.0". " ... Any help would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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247 views

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ios - iPhone X how to handle View Controller inputAccessoryView?

I have a messaging app that has the typical UI design of a text field at the bottom of a full screen table view ... works well on the iPhone X? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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251 views

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ios - An error occurred uploading to the iTunes Store

We Really need some help on this one: We've Struggled with all the Apple Mumbo-Jumbo for the Last two ... could be the problem? Thanks Hernan See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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