Recent questions tagged iOS

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ios - How do I get the App version and build number using Swift?

I have an IOS app with an Azure back-end, and would like to log certain events, like logins and which ... version and build number using Swift? 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 - Is it possible to set UIDatePicker to only days (exclude hours, minutes and seconds)?

I'm trying to have a UIDatePicker to present only the date, month and year to the user. I want to avoid ... . Any ideas? Thanks 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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ios - Bad converting String to NSDate

I have a problem with converting String to NSDate. In my text field when user tap on it, is a possibility ... TextField String shows 2016-05-13 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 - How do I return a variable from a block inside a method?

Say I have this method that given a URL returns a UIImage: - (void)getUIImageFromURL:(NSURL *)URL { ... implement a method like 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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ios - What is the correct way to proceed with this bool?

I have this bool in my AppDelegate.m: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions: ... appreciated, 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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538 views

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ios - Convert NSString->NSDate?

I need to convert my NSString in the end to an NSDate but I am having problems doing so. How would I ... setObject:enddate forKey:@"theDate"]; 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 - Tab bar after login - Why does it look like this?

so I'm writing this app where I need to have a tab bar after the whole sign up/login part. I've looked ... . Am I missing something? Thank you! 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 - Pushwhoosh remote notification

We used Pushwhoosh for remote notification. Its working fine but Icon badge count not increased. Here is code: - ... count upon push delivery ? 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 - Cannot assign a value of type "String" to type "UILabel" in swift

I'm making a program that 's about a math test random generator. But while I was creating a random operation. I ... swift" How do you fix 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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ios - Swift: Get the TruthDepth camera parameters for face tracking in ARKit

My goal: I am trying to get the TruthDepth camera parameters (such as the intrinsic, extrinsic, lens distortion etc ... ? Thank you so much! See Question&Answers more detail:os...

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

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321 views

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ios - App running slow after loading viewcontroller, then unload about 15-20 times

Using: Xcode 4.6 Storyboards ARC Model segue to SecondViewController I have an app that has the main ... be very appreciated . 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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ios - I want to return Boolean after firebase code is executed

I'm retrieving data from Firebase Google. I'm checking the data i received is expire or not. func checkBought( ... change the value of yesOrNo. See Question&Answers more detail:os...

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

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381 views

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ios - How to prevent AutoLayout from resetting view frames?

I have a view with AutoLayout and it works nicely with different screen sizes. There's one element on the screen ... not after the first time. See Question&Answers more detail:os...

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

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343 views

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ios - Cannot use a predicate that compares dates in Magical Record

I am making a method that will remove all of my NSManagedObjects that were not updated in the last sync. - (void ... out, please post it here. See Question&Answers more detail:os...

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

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356 views

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ios - How to set CATextLayer in video according to frame?

I have try many think but no success yet, My question is that I Have one video on that I was provide a ... ]; //ONLY IF WE ADDED TEXT See Question&Answers more detail:os...

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

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316 views

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ios - Realm delay at end of write function

I've built a sports game in Xcode/Swift using Realm as a base. It's running and working, but realm ... by primaryKey that happens on commit. 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 - Pass one variable from one viewcontroller to another viewcontroller

I new to swift language and know this question is duplicated.I`ve found several similar question and ... the variable from ScanViewController? See Question&Answers more detail:os...

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

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413 views

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ios - UIImagePickerController working without NS Photo Library and Camera descriptions

I am working with UIImagePickerController because I am creating an application that allows for the posting of ... Storyboard View plist image See Question&Answers more detail:os...

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

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300 views

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ios - SwitUI - Two navigationLink in a list

I have two NavigationLink in a cell of my List I want to go to destination1 when I tap once,and go to ... answer,thank you very much... See Question&Answers more detail:os...

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

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384 views

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ios - swift class as parameter without .self

I've wrote some functions (Swift 2.1, XCode 7.1.1): public func test1<T:UIView>(type: T.Type) -> T { ... doesn't need ".self" where using it? See Question&Answers more detail:os...

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

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373 views

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ios - How do you constantly run in background?

Alarmy (iOS app) has a neat feature that plays alarms even when in background. This is what their FAQ says ... run in the background this way? See Question&Answers more detail:os...

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

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284 views

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ios - Creating a method to perform animations and wait for completion using a semaphore in objective c

I am trying to create a method which makes use of UIView's "+animateWithDuration:animations:completion" method to ... numberWithFloat:2.0]]]; See Question&Answers more detail:os...

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

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246 views

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ios - Manually move node over a period of time

I currently have the following functions declared which moves a node to a target ... .html) See Question&Answers more detail:os...

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

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1.3k views

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ios - How to get device IMEI number programmatically using xcode to phonegap?

I would like to getting the device imei number and send it to the phonegap html page. How should we do? In phonegap ... we will do in the iOS? 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 - Core Data NSPredicate not returning records between two dates

I have a CoreData entity Comment who has a parent entity Measurement. The Measurement entity has a ... Any help greatly appreciated. See Question&Answers more detail:os...

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

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675 views

1 answer

ios - How to get the voip call log information in application - Call Kit

I have implemented call kit in my voip app in which i generate the call logs for incoming or outgoing calls ... help much appreciate. 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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318 views

1 answer

ios - Using a string as name to set property values

I have these big huge repetitive chunks of code in my project I am attempting to shrink them down. Take this ... way to do something like 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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298 views

1 answer

ios - UITextview with zooming?

how can i achieve UITextview with zooming facility?any tutorial please? See Question&Answers more detail:os...

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

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