Recent questions tagged iOS

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ios - Sequence animation using CAAnimationGroup

I'm trying to make a sequence of animations, I've found in CAAnimationGroup the right class to achieve that ... :group forKey:nil]; } 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 - Thread 1 : EXC_BAD_ACCESS (Code = 1, address = 0x30000008)

I still stuck on this problem even followed all the answer from this forum. can anyone tell me what to do in ... before in goes to other pages 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 - Why does "try catch" in Objective-C cause memory leak?

I am thinking about pros and cons of Try-Catch in Objective-C. According to this article Dispelling NSException ... -catch cause memory leak? 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 - HealthKit Authorisation Status is always 1

I am using HealthKit in my app. I am getting the Permission from the user for accessing the HealthKit Data. After the ... 1. Need help on 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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ios - UIControlState.Normal is Unavailable

Previously for UIButton instances, you were able to pass in UIControlState.Normal for setTitle or setImage. .Normal is ... iOS 10 and Swift 3) See Question&Answers more detail:os...

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

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231 views

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ios - Make the iPhone Screen Dim

I have managed to ensure that the iPhone doesn't auto-lock using: [[ UIApplication sharedApplication ] ... be used though... 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 show "Would like to send you Push Notifications" Alert View again?

I was able to show an Alert View like the image above after registering for Remote Notifications. But ... temporarily in the NSUserDefaults. See Question&Answers more detail:os...

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

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657 views

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ios - How get the list of paired bluetooth devices in swift?

I need to get the list of paired bluetooth devices(iOS Devices) as same as the list in 'Bluetooth' ... sharing your experience. 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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ios - Filter array by first letter of string property

I have an NSArray with objects that have a name property. I would like filter the array by name NSString *alphabet ... letter in name being 'A'. 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 - Usage of String.range in Swift 3.0

let us = "http://example.com" let range = us.rangeOfString("(?<=://)[^.]+(?=.com)", options:. ... I'm using swift 3 07-25 build. See Question&Answers more detail:os...

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

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332 views

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ios - Remove TabBar item in Swift

I currently try to find a way to remove while run the app a TabBar Item, i found a way to enable or ... should show other way it should not. See Question&Answers more detail:os...

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

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347 views

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ios - 'The 'Pods' target has transitive dependencies that include static binaries' when installing GCM

I'm trying to install Google Cloud Messaging for my iOS application (using swift). I've added it to my ... to install GCM without Cocoapods? See Question&Answers more detail:os...

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

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240 views

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ios - Setting layoutMargins of UIView doesn't work

UIViewController with UIView and UITableView UIView |-UITableView I'm trying to setup margins like this: - (void) ... m issing ? iOS 8 See Question&Answers more detail:os...

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

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383 views

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ios - Is WKWebView designed as a replacement of UIWebView?

Asking this questions as I am not sure why Apple introduced WKWebView without deprecating UIWebView. It is important ... a file using WKWebView? See Question&Answers more detail:os...

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

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276 views

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ios - Type 'String.Index' does not conform protocol 'IntegerLiteralConvertible'

With Beta 3 all worked fine, now I get a strange error, and I have no clue how to fix it. Tried all the ... me? Or is Beta 4 bugged? 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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177 views

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ios - NSInteralInconsistencyException - UIKeyboardLayoutAlignmentView

I am getting the follow crash in my reports but I don't have a clue as to where to start ... 27 UIKit 0x27863a59 UIApplicationMain + 1440 See Question&Answers more detail:os...

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

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469 views

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ios - Signing embedded framework not working in Xcode 11.2.1

I have a small proof-of-concept app, where I am trying to embed (and sign) a framework (Alamofire) inside of ... signed. What am I doing wrong? See Question&Answers more detail:os...

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

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227 views

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ios - how to remove all references for outlet

I accidently set event for command button as "outlet" than "action". Due to auto-drag feature, xcode generated ... suggest a solution for 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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429 views

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ios - Default value of maxConcurrentOperationCount for NSOperationQueue

As the title suggests, what is the default value of the maxConcurrentOperationCount for NSOperationQueue? Is it set to a value of 1? See Question&Answers more detail:os...

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

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362 views

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ios - UIPickerView as inputView of UITextField

I've read a lot about how I can use a UIPickerView as the inputView of my UITextField. The thing is, I am ... Please be patient. 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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239 views

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ios - UITapGestureRecognizer on UIImageView within UITablevlewCell not getting called

I currently have a custom UITableViewCell which contains a UIImageView and trying to add a UITapGestureRecognizer on the ... this be a 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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154 views

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ios - Can't cast value of type UIViewController to PatternDetailViewController

Am trying to downcast a view controller to a detail view controller but can't. Am using Core Data (for the first ... = self.pattern!.name } } 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 - Finding distance between CLLocationCoordinate2D points

I know from documentation we can find distance between two CLLocation points using the function, distanceFromLocation:. ... not helpful for me. See Question&Answers more detail:os...

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

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327 views

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ios - Xcode error : Distill failed for unknown reasons

Does anybody know why this error happens on Xcode 5? Answer I had this problem when I accidentally renamed a .psd ... file fixed it for me. See Question&Answers more detail:os...

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

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208 views

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ios - Array of multiple URL's NSFileManager Swift

How would I go about adding multiple URL's? I wonder how I can set that up into an array with swift. if let ... error saving file") } } } } See Question&Answers more detail:os...

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

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172 views

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ios - How to stop and resume background audio from iPhone app?

Am working in Messaging based iPhone app. I have added Beep sound to receive message from someone else. I am playing ... :NO error:&error]; } } See Question&Answers more detail:os...

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

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288 views

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ios - Perform action by clicking on some word in Uitextview or UILabel

How can I do to perform some specific action (like showing a modal or pushing a controller) when user click on ... or whatever you want 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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172 views

1 answer

ios - How to post on twitter by hiding SLComposeViewController *tweetSheettweet instance

My app needs to support iOS 5. I have my custom UI where user can enter tweet message and when he ... have multiple Twitter accounts ??? See Question&Answers more detail:os...

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

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