Recent questions tagged IOS

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ios - UITextView – can't set underline or strikethrough attributes on text?

I'm getting runtime failures whenever I try to set underline or strikethrough attributes on the attributedText of a ... 28}. Ignoring... See Question&Answers more detail:os...

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

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294 views

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ios - Thread-safe UIKit methods

I'm trying to find out exactly what methods (names!) became thread safe in UIKit on iOS 4.0. I've searched ... , such as UIImage, UIColor etc. See Question&Answers more detail:os...

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

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560 views

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ios - How to switch programmatically to dark mode swift

How can I make a switch to change programatically to dark or light mode in my iOS app? I'm 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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366 views

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ios - Swift Compiler Error: Use of unresolved identifier 'name'

I tried to include a class called 'name' and I got an error: Swift Compiler Error: Use of unresolved ... 't contain any compile errors. See Question&Answers more detail:os...

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

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260 views

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ios - Unable to remove "Optional" from String

Below is my snippet // MARK: - Location Functions func getCurrentLocation() -> (String!, String!) { let ... to remove the Optional binding. See Question&Answers more detail:os...

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

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268 views

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ios - How to print name of the day of the week?

Im trying to print out the name of the day of the week i.e Monday, Tuesday, Wednesday. I currently have this ... -5") This prints out "Monday" See Question&Answers more detail:os...

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

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320 views

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ios - How can I make a countdown timer like in a music player?

I have a label and its value is "03:48". I want to countdown it like a music player. ... stringFromTimeInterval(timerCounter) timerCounter!-- } 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 - Upgraded to Firebase 5 and having Auth issues. Cannot convert value of type '(User?, Error?)

I just upgraded my pods for Firebase and got a ton of errors. I used the Docs on the Firebase Docs ... (logoutError.localizedDescription) } } } See Question&Answers more detail:os...

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

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533 views

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ios - How to sort Core Data array based on Date Entered

I have a small Core Data Model which stores an array of Strings (search history). When fetching the Data I'd like ... key: "", ascending: true)] See Question&Answers more detail:os...

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

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400 views

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ios - Passing arguments to @selector method

I have added a UIButton in a table view. Now when I click a particular button, I need to get the details ... method when this button is clicked? See Question&Answers more detail:os...

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

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339 views

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ios - How come my drawing code keeps resulting in fuzzy shapes?

No matter what I do, I can't seem to figure out why my images keep coming out ... (); UIGraphicsEndImageContext(); See Question&Answers more detail:os...

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

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320 views

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ios - How to change the language on GoogleMap?

I use GMSMapView from Google Maps iOS SDK in my application. I can change app language in settings page. ... .viewForMap addSubview:mapView]; } See Question&Answers more detail:os...

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

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414 views

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ios - Conforming to UITableViewDelegate and UITableViewDatasource in Swift?

I am learning swift 2.0, and I was wondering if you still need to add the code tableView.datasource = self ... mine doesn't work without 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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212 views

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ios - Shared iAd banner bannerViewDidLoadAd not being called

I am using the following code to setup a shared iAd banner. AppDelegate.m - (BOOL)application:(UIApplication *) ... when the iAd banner loads. See Question&Answers more detail:os...

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

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361 views

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ios - Just how persistent are Firebase database observers?

I decided to run a test on the XCode iOS simulator to see if an observer to a location in the Firebase ... to doing stuff in the background. See Question&Answers more detail:os...

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

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211 views

1 answer

ios - NSURLProtocol isn't asked to load after YES response to canInitWithRequest

I'm registering an implementation of NSURLProtocol to do some custom handling of certain URL requests (I tag ... responsible entity for loading? See Question&Answers more detail:os...

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

0 votes

219 views

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ios - Get Xcode 5 to warn about new API calls

There was a method for Xcode 4.x: #define __AVAILABILITY_TOO_NEW __attribute__((deprecated("TOO NEW!"))) __attribute__(( ... build option on... See Question&Answers more detail:os...

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

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331 views

1 answer

ios - Bug when trying to parse date in Objective-C

When I was trying to convert April from 04 (MM) to Apr (MMM) it turned back into nil, is this a known issue ... 32172:2389414] 2015-04-01 == Apr See Question&Answers more detail:os...

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

0 votes

339 views

1 answer

ios - How can i get original nsdata of uiimage?

In my app, user can select a pic from album or camera where i can get uiimage representation. Since the ... get the original uiimage nsdata? See Question&Answers more detail:os...

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

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254 views

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ios - UITableView filtering

I have to perform a search operation in tableview with searchbar. Which have a label of a person's name ... person entered it the searchbar. See Question&Answers more detail:os...

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

0 votes

488 views

1 answer

ios - I get nil when using NSDateFormatter in swift

This is my code : println(myStringDate) // 2015-02-26T17:46:34.000Z let dateFormatter = NSDateFormatter() dateFormatter ... am I doing wrong ? See Question&Answers more detail:os...

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

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426 views

1 answer

ios - Go back to view controller from SKScene

So when you create a project using the SpriteKit template. You have your View controller and your SKScene. ... code for clarification 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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265 views

1 answer

ios - App crashes after updating CoreData model that is being displayed in a UITableView

I have a strange bug that is extremely rare but causes the app to crash. I can't reproduce it but I ... the crash log. 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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322 views

1 answer

ios - Push Notifications are delivered but didReceiveRemoteNotification is never called Swift

I have successfully implemented push notifications in my two related apps via FCM and while trying to ... (UIBackgroundFetchResult.newData) } See Question&Answers more detail:os...

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

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330 views

1 answer

ios - Trim end off of string in swift, getting error at runtime

I'm making a calculator app in Swift, once my answer is obtained I want to display it in a UILabel. ... all help would be greatly appreciated. See Question&Answers more detail:os...

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

0 votes

298 views

1 answer

ios - Ionic 3 Response with status: 0 for URL: null

I have an Ionic 3 app. I recently added the iOS platform. When i run it on iOS (emulator and device) all the ... the paths of Ionic. 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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228 views

1 answer

ios - Get currently typed word in UITextView

I'm trying to make a "tagging window" much like the one used in Facebook where you type "@" and it make ... and not the most recent typed word. See Question&Answers more detail:os...

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

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320 views

1 answer

ios - undo redo issues with CGLayer

I am working with unod redo operations on CgLayer, I have tried some code, but not able to get it ... (context1); } Regards Ranjit See Question&Answers more detail:os...

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

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