Recent questions tagged IOS

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ios - Why on Xcode 11, UICollectionViewCell changes size as soon as you scroll (I already set size in sizeForItem AtIndexPath:)?

I have collectionview inside tableview cell and I use nib for my collection view cell (in which I use autolayout for ... Xcode 11 it doesn't. 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 - Presenting a view controller modally from an action sheet's delegate in iOS8 - iOS11

So I noticed that in iOS8 beta 3 (Update: still happens in iOS 11.2) on iPad, when attempting to ... presenting <UIAlertController: 0x...> See Question&Answers more detail:os...

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

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498 views

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ios - Swift playgrounds with UIImage

I am working with Xcode 6, and I'm trying to recreate the code demoed during session 401 "What's new in ... the demo. Am I missing something? See Question&Answers more detail:os...

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

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297 views

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ios - How to set imageView in circle like imageContacts in Swift correctly?

I want to show a picture into imageView like the image contact (in a circle) But when I try to show this, the ... to show as a circle? 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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477 views

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ios - Swift numerics and CGFloat (CGPoint, CGRect, etc.)

I'm finding Swift numerics particularly clumsy when, as so often happens in real life, I have to communicate with ... - if that's possible.) See Question&Answers more detail:os...

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

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263 views

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ios - Navigating to a new screen when stream value in BLOC changes

In Flutter how would I call Navigator.push when the value of a stream changes? I have tried the code below but get an ... } return Text(""); }); 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 - Ad-hoc Deployment

I would like to deploy an app to 20 iOS devices (iPhones and iPads) using Apple Ad-Hoc Deployment. I need to ... ? Is there a way around 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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385 views

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ios - NSInteger and NSUInteger in a mixed 64bit / 32bit environment

I have a fair amount of string format specifiers in NSLog / NSAssert etc. calls which use %d and %u ... on both architectures without casting? See Question&Answers more detail:os...

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

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799 views

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ios - How to use static cells in UITableView without using Storyboards?

I have an existing ViewController + xib in my project, and now I want to add a UITableView with static cells, ... cells to an existing xib? 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 - Switch statement in Swift

I'm learning syntax of Swift and wonder, why the following code isn't working as I expect it to: for i ... solve this using Switch. Thank you. See Question&Answers more detail:os...

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

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473 views

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ios - When does a UITableView's contentSize get set?

I have a non scrolling UITableView in a UIScrollView. I set the frame size of the UITableView to its content ... 'm just inserting one cell. See Question&Answers more detail:os...

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

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700 views

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ios - How can I fix the "UIPopoverController is deprecated" warning?

I am using this code: mediaLibraryPopover = [[UIPopoverController alloc] initWithContentViewController:avc ... UIPopoverPresentationController. See Question&Answers more detail:os...

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

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473 views

1 answer

ios - Converting UTC date format to local nsdate

I am getting from my server a string date in UTC time zone and I need to convert it to the local time zone ... UTC date format to local time? See Question&Answers more detail:os...

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

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413 views

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ios - Missing Push Notification Entitlement warning

We have created an App ID, distribution certificate and provisioning profile. Push Notifications were not initially ... warning via email? See Question&Answers more detail:os...

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

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662 views

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ios - Swift: How to refresh UICollectionView layout after rotation of the device

I used UICollectionView (flowlayout) to build a simple layout. the width for each cell is set to the width of ... : 100) return itemSize }} See Question&Answers more detail:os...

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

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550 views

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ios - iOS7 UISwitch its Event ValueChanged: Calling continuously is this Bug or what..?

Edit It's now fixed on ios7.1 Don't do any tweak to fix it. Edit2 Apparently the same problem happens ... Add UISwitch from XIB adding UISwitch See Question&Answers more detail:os...

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

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375 views

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ios - AVAudioPlayer throws breakpoint in debug mode

Every time I load the app it stops as if I had set a breakpoint on this line: self.audioPlayer = [[[ ... AVAudioPlayer throws a C++ exception. See Question&Answers more detail:os...

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

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264 views

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ios - Get Hz frequency from audio stream on iPhone

What would be the best way to get Hz frequency value from audio stream(music) on iOS? What are the best and ... to do that. 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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415 views

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ios - Default tab bar item colors using swift Xcode 6

Environment: - Xcode 6 beta 4 - Swift language - iOS Tabbed Application (default xCode project) How can I change ... however I don't know how See Question&Answers more detail:os...

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

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290 views

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ios - Take a picture on iPhone without showing controls

Is there a way to take a picture in code on the iPhone without going through the Apple controls? I have seen a ... sure what API call 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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459 views

1 answer

ios - Wait For Asynchronous Operation To Complete in Swift

I am not sure how to handle this situation as I am very new to iOS development and Swift. I am performing data ... the best way to handle this? See Question&Answers more detail:os...

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

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649 views

1 answer

ios - Convert MKCoordinateRegion to MKMapRect

I have a square MKMapView in my app, and I wish to set a center point and the exact height/width of the view in ... . (Using iOS 5, Xcode 4.2) See Question&Answers more detail:os...

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

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483 views

1 answer

ios - Cropping image with Swift and put it on center position

In Swift programming , how do you crop an image and put it on the center afterwards? This is what I've got ... the bounds of my ImageView. :) See Question&Answers more detail:os...

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

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566 views

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ios - Add left/right horizontal padding to UILabel

I need to create a UILabel with a background color, and I'd like to add some left/right leading/ ... screenshot to illustrate my scenario: See Question&Answers more detail:os...

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

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521 views

1 answer

ios - ERROR ITMS-90164/90046: Invalid Code Signing Entitlements

Note: I'm developing using Xamarin. Similar question posted in Xamarin Forum here I'm creating an app called ... Signing option in Xamarin. See Question&Answers more detail:os...

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

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320 views

1 answer

ios - Xcode 4: Build Failed, No Issues

The app works fine in the simulator, builds and runs. When I attach my device (iPhone 3GS running iOS 4.3 ... device - is this output elsewhere? See Question&Answers more detail:os...

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

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389 views

1 answer

ios - Unable to run app in Simulator: An error was encountered while running (Domain = LaunchServicesError, Code = 0)

After successfully compiling the project in Xcode 6, I am unable to run it in the simulator with the above ... than these, please help. Thanks See Question&Answers more detail:os...

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

0 votes

482 views

1 answer

ios - Swift - UIButton with two lines of text

I was wondering if it is possible to create a UIButton with two lines of text. I need each line to ... builder, and not programmatically. 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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