Recent questions tagged IOS

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ios - How to fetch data in background every hour in Swift even the app is terminated?

I am making an app that provides functionality to fetch data every hour. It fetches data even when the ... I call this function automatically? 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 - Delegate in Swift-language

I have two controllers and i need call up function the first controller to second controller: In second ... But function not getting 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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651 views

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ios - Detect Change in UILabel Text

Is it possible to set a Notification for when a UILabel's text property is changed? ... object:nowplaying]; See Question&Answers more detail:os...

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

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458 views

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ios - didSelectViewController not getting called when in "More" section

I have a UITabBarController and I have set up its delegate method didSelectViewController, as I am interested ... being automatically created? See Question&Answers more detail:os...

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

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754 views

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ios - Position MBProgressHUD at the Bottom/Top of the screen

Is there a way to make the MBProgressHUD show at the bottom or top of the screen? I have tried setting the ... on any view currently in display. 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 - Display UISearchController's searchbar programmatically

Note 1: This question pertains to adding a UISearchController's search bar outside of the table view ... .addSubview(searchController.searchBar) See Question&Answers more detail:os...

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

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698 views

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ios - Xcode- 7: No such file or directory

I keep trying to run my Xcode project (titled "YidKit") and it keeps giving me the following error: error: / ... that is giving me 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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732 views

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ios - Display UIView with a UILabel text mask

I'm trying to add a UIView to a UILabel, so that the text is the view's mask, enabling me to do ... this wouldn't give me much flexibility. 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 - Invalid Provisioning Profile- Missing Code-Signing Certificate

My App is finished and I have submitted one before but every time I attempt to go through the application loader it ... , any a dive would help. 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 - UITextView text becomes invisible after height reaches 8192.0

I have a non-scrollable UITextView embedded in a UIScrollView and add text to the UITextView dynamically. The ... a work around? Thanks See Question&Answers more detail:os...

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

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535 views

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ios - EXC_BAD_ACCESS error when trying to change Bool property

I'm trying to change a Bool property and am receiving an EXC_BAD_ACCESS error. I'm using XCode 6 and ... .completed = true // EXC_BAD_ACCESS 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

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ios - How to teach Xcode to include all header files in output of static library project?

I followed a tutorial to create a static library project. Then I dragged in my classes and added them ... I create additionally somewhere else? See Question&Answers more detail:os...

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

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644 views

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ios - Swift: Does not conform to protocol NSCoding

I am trying to use the NSCoding protocol on a class I have written in swift, but cannot seem to figure out ... or am I just 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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752 views

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ios - AFNetworking with request error code 999

I'm new to objective-c and i'm having a hard time with a AFNetworking. So the thing is that i want to make a ... (@"Error: %@", 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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502 views

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ios - Difference between frame.size.width and frame.width

I was writing a program in swift and just now I noticed that I can directly access a CGRect frame's width and ... in these two lines of code. See Question&Answers more detail:os...

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

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614 views

1 answer

ios - How to get a UITableViewCell from one of its subviews

I have a UITableView with a UITextField in each of the UITableViewCells. I have a method in my ViewController which ... with updates to the OS. See Question&Answers more detail:os...

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

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863 views

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ios - Swift 4.2 Cannot convert value of type '(UIImagePickerController.InfoKey).Type' to expected argument type 'UIImagePickerController.InfoKey'

My below code was working just fine with swift 4 but after upgrading to swift 4.2 I am getting this error, ... : true, 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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513 views

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ios - How to make UINavigationBar background transparent?

First of all, I've seen all the answers at How to make UINavigationBar Transparent in IOS 8? Transparent ... code but still no avail: See Question&Answers more detail:os...

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

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613 views

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ios - update an app which is pending developer release

I have an app which is in pending developer release (approved by Apple). The app was never released at all. Now I ... Can I reuse the old ones? See Question&Answers more detail:os...

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

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503 views

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ios - Syntax of Block in Swift

I am trying to rewrite from Objective-C to Swift, I cannot work out the syntax or understand the docs Here is a ... animations: (() -> Void)) See Question&Answers more detail:os...

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

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505 views

1 answer

ios - Assertion failure in -[UIPickerTableView _createPreparedCellForGlobalRow:withIndexPath:], /SourceCache/UIKit_Sim/UIKit-2903.2/UITableView.m:7768

I am trying to show UIPickerView with UIToolBar but getting some error. Here is my code - CGRect toolbarTargetFrame ... .Thank you in advance. 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 - Integrating pods with all targets

I have been using CocoaPods for a few weeks now with my iOS app and it works perfectly with the one target I have ... QuincyKit', '~> 2.1.9' See Question&Answers more detail:os...

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

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548 views

1 answer

ios - Localizing attributed UITextView from storyboard

I am using the storyboard and have a view where I have subclassed some UITextViews. My problem is that I ... from a storyboard for localization? See Question&Answers more detail:os...

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

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758 views

1 answer

ios - Wrong value from UITableView:rowHeight at iOS8

The code I used to create a rectangle (at least until iOS7) was CGRect rect = [cTableView frame]; rect. ... be backwards compatible with iOS7? See Question&Answers more detail:os...

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

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507 views

1 answer

ios - Xcode 7 GM can't commit (GIT)

Whenever I try to commit, using source control in Xcode, I get an error that I need to configure my email ... ://github.com/jpsim/PeerKit.git See Question&Answers more detail:os...

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

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502 views

1 answer

ios - Iphone How to make context background transparent?

CALayer *sublayer = [CALayer layer]; /*sublayer.backgroundColor = [UIColor blueColor].CGColor; sublayer.shadowOffset = ... add it to layer? See Question&Answers more detail:os...

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

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618 views

1 answer

ios - Xcode 6.3 is crashing on Project Rename

I just updated my Xcode 6.3. I am getting an issue while project renaming. Is there any solution? And in ... device section on top left side. See Question&Answers more detail:os...

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

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545 views

1 answer

ios - Multiple skshapenode in one draw?

Hi I have drawn skshapenodes connecting the nodes in my graph for my visual a* representation. for(int x=0; x< ... draws 185 times, why is this? See Question&Answers more detail:os...

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

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