Recent questions tagged iOS

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ios - Draw dotted (not dashed!) line, with IBDesignable in 2017

It's easy to draw a dashed line with UIKit. So: CGFloat dashes[] = {4, 2}; [path setLineDash:dashes count ... lines of code for dots-not-blocks. 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 resize UIView by dragging from its edges?

In my iPad app, I want the users to be able to resize a UIView by dragging the view from its edges. ... with touchesBegan, touchesMoved,... etc? 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 - UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationController

I've setup a UIRefreshControl in my UITableViewController (which is inside a UINavigationController) and it works ... any suggestions? 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 - View with continuous scroll; both horizontal and vertical

I have been struggling with this assignment for quite some time now. What I would like to develop is a scrollview or ... how? I can't find any. 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 do I get the font name from an otf or ttf file?

I have used a custom font in my previous app. The file name was "ProximaNova-Regular.otf" and to load the font ... can I find what name to use? 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 - dismissModalViewControllerAnimated deprecated

I've just upgraded to XCode 4.5 to update my iOS app to run on the 4 inch display for the iPhone 5, ... return type defaults to 'id') 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 I import 3rd party frameworks into Xcode Playground?

How do I import 3rd part frameworks into Xcode Playground? Swift Playground obviously has a framework import ... simply regular swift files) 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 - NSDate - Convert Date to GMT

I need the ability to convert an NSDate value to a GMT Date. How can I go about converting an NSDate ... settings the iPhone device is using? 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 - Create a rectangle with just two rounded corners in swift?

I need to create a rectangle that have just two rounded corners in swift (Objective C code also ok). ... and graphical development and swift. 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 - Unable to simultaneously satisfy constraints - No constraints in place

I have gone through and removed every single user constraint yet I am still getting the following error ONLY after I ... h> may also be helpful. 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 check if UILabel is truncated?

I have a UILabel that can be varying lengths depending on whether or not my app is running in portrait or ... does not work super well. 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 - Is it possible to obtain a dynamic table view section header height using Auto Layout?

New in iOS 8, you can obtain 100% dynamic table view cells by simply setting the estimated row height, then ... way to mimic this behavior? 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 - HTML5 Video autoplay on iPhone

I have some kind of a strange problem. I try to create a website with a looped background video. The code ... autoplay loop muted></video> 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 - UITextField border color

I have really great wish to set my own color to UITextField border. But so far I could find out how to ... how to change the border color. 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 keep UITableView contentoffset after calling -reloadData

CGPoint offset = [_table contentOffset]; [_table reloadData]; [_table setContentOffset:offset animated:NO]; //unuseful ... can I implement it? See Question&Answers more detail:os...

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

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300 views

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ios - Document directory path of Xcode Device Simulator

In iOS 7, the document directory of the iOS simulators can be found in: /Users/Sabo/Library/Application Support/ ... for the iOS 8 Simulator? 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 - Multiple UILabels inside a self sizing UITableViewCell

In this iOS 8 app I'm creating, I have a tableview and I need them to be self resizing. I implemented ... though. Updated Xcode project is here. 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 - Resizing a UILabel to accommodate insets

I'm building a screen to scan barcodes, and I need to put a translucent screen behind some UILabels to improve ... and factor in the padding? See Question&Answers more detail:os...

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

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608 views

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ios - ERROR: Error installing cocoapods: ERROR: Failed to build gem native extension

I am trying to install cocoapods to my MacBook Pro running with OSX 10.9.1 (new Mavericks) and after type ... .14.1/ext/xcodeproj/gem_make.out 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 - Instead of push segue how to replace view controller (or remove from navigation stack)?

I have a small iPhone app, which uses a navigation controller to display 3 views (here fullscreen): First it ... in a native app please? See Question&Answers more detail:os...

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

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229 views

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ios - Steps to upload an iPhone application to the AppStore

I want to know the basic steps for uploading my iPhone application to AppStore. How do I make a ... have also a distribution certificate. See Question&Answers more detail:os...

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

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494 views

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ios - pod install -bash: pod: command not found

I installed pod some time ago. However, it's stopped working so I'm working through this again. However, ... Any suggestions why this happened? 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 - UIGestureRecognizer on UIImageView

I have a UIImageView, which I want to be able to resize and rotate etc. Can a UIGestureRecognizer be added ... does one add these recognizers? See Question&Answers more detail:os...

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

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501 views

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ios - Changing text of UIButton programmatically swift

Simple question here. I have a UIButton, currencySelector, and I want to programmatically change the text. Here's ... the button's text change? See Question&Answers more detail:os...

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

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190 views

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ios - What does addChildViewController actually do?

I'm just dipping my feet for the first time into iOS development, and one of the first things I've had to do ... do, and why should I call it? See Question&Answers more detail:os...

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

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274 views

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ios - How to create a colored 1x1 UIImage on the iPhone dynamically?

I would like to create a 1x1 UIImage dynamically based on a UIColor. I suspect this can quickly be done with ... 2d (or another simpler way)? See Question&Answers more detail:os...

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

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352 views

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ios - How to use Namespaces in Swift?

The documentation only mentions nested types, but it's not clear if they can be used as namespaces. I ... any explicit mentioning of namespaces. See Question&Answers more detail:os...

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

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192 views

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ios - How to specify size for iPhone 6/7 customised edge-to-edge image?

Say I want a bundled image to take up all available screen width in an iPhone app - for example a banner ... http://www.iphoneresolution.com) See Question&Answers more detail:os...

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

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