swift4.2

CIImage memory not released

由 橙三吉。 提交于 2019-12-08 07:16:32
问题 I am trying to take a sequence of images, blend X images at the time and produce a new image. This is the code I have to accomplish this: static func blendImages(blendFrames: Int, blendMode: CIImage.BlendMode, imagePaths: [URL], completion: @escaping (_ progress: Double) -> Void) { var currentIndex = 0 while currentIndex + blendFrames < imagePaths.count { let currentSubset = Array(imagePaths[currentIndex..<(currentIndex + blendFrames)]) var currentSubsetIndex = 0 var firstImage: CIImage?

Is there're a way to seed Swift 4.2 random number generator

由 Deadly 提交于 2019-12-07 08:40:54
问题 I like the new Swift 4.2 RandomNumberGenerator thing, but I don't see a seed possibility there. Am I missing something, or is there any way at all to seed these generators, by maybe calling an underlying low-level function? I have a lot of code, which uses default number generators on default number types, and I now need to make sure that everything behaves exactly the same between launches with as little code changes as possible. 回答1: The whole idea of the new architecture is that any

iPhone Increase font size for larger devices

由 二次信任 提交于 2019-12-06 13:55:55
问题 I have simple app that has some views to show. It is portrait app so I do not have to build any other design for orientation specific. But I have one trouble(Being new on iOS), I have read about size classes and yet I am unable to understand that How I can mange to increase size of a text/Label per device. What I have done: I mean I am testing on following mobiles iPhone 5s iPhone 8plus iPhone XR I have a label inside a view and that label has 18 points as a text size or font size What I want

Upload image with multipart form-data only in Swift 4.2

由 被刻印的时光 ゝ 提交于 2019-12-06 01:54:10
问题 I tried lots of solution. I get some but they were using objective c code in somewhere. I need solution only in swift 4.2 and without any third party (like Alamofire ).It is working fine using objective c classes . I have been able to make POST request with only, headers and other parameters and image as: Upload files using multipart request - Swift 4 How to do multipart/form-data post request with Swift? Multipart-form (image,parameters,headers) Post request with Alamofire in swift Upload

Is there're a way to seed Swift 4.2 random number generator

由 北慕城南 提交于 2019-12-05 13:21:45
I like the new Swift 4.2 RandomNumberGenerator thing, but I don't see a seed possibility there. Am I missing something, or is there any way at all to seed these generators, by maybe calling an underlying low-level function? I have a lot of code, which uses default number generators on default number types, and I now need to make sure that everything behaves exactly the same between launches with as little code changes as possible. The whole idea of the new architecture is that any generator can be substituted just by adopting the RandomNumberGenerator protocol. So if you need a repeatable seed

'Build input file cannot be found' Swift 4.2, Xcode 10.0

由 我只是一个虾纸丫 提交于 2019-12-03 06:28:45
问题 I am getting the following error when building in Xcode 10.0 with swift 4.2: 回答1: Moving the folders around the inspector can cause the error "Build input file cannot be found" To fix it, go to the general tab and under identity reselect the info.plist that you like I hope this helps 回答2: Build input file cannot be found How To fix This issue : Go in the project-navigator, select your project Select Build Phases tab In Compile Sources section, check for the file(s) that Xcode is demanding of

Type 'Notification.Name' (aka 'NSNotification.Name') has no member 'UIDevice'

由 心已入冬 提交于 2019-12-02 05:51:31
问题 Here is my code which was working before. NotificationCenter.default.addObserver(self, selector: #selector(ImageScrollView.changeOrientationNotification), name: Notification.Name.UIDevice.orientationDidChangeNotification, object: nil) 回答1: Remove Notification.Name. prefix: NotificationCenter.default.addObserver(self, selector: #selector(ImageScrollView.changeOrientationNotification), name: UIDevice.orientationDidChangeNotification, object: nil) The constants for notifications names were moved

How do you open the in Call UI after answering a call with callkit

由 我是研究僧i 提交于 2019-12-02 04:29:02
问题 I am trying to integrate callkit with my voip app. At this point the CallKit displays an incoming call but as soon as I press the answer key it just goes back to my app's display homescreen. I want the in call UI of CallKit to display when I press the answer key. func provider( _ provider: CXProvider, perform action: CXAnswerCallAction) { XCPjsua.shared()?.handleIncomingCall(); // confifureAudioSession() action.fulfill() } In the XCPjsua.shared()?.handleIncomingCall(); function I just connect

How do you open the in Call UI after answering a call with callkit

由 蓝咒 提交于 2019-12-02 02:01:24
I am trying to integrate callkit with my voip app. At this point the CallKit displays an incoming call but as soon as I press the answer key it just goes back to my app's display homescreen. I want the in call UI of CallKit to display when I press the answer key. func provider( _ provider: CXProvider, perform action: CXAnswerCallAction) { XCPjsua.shared()?.handleIncomingCall(); // confifureAudioSession() action.fulfill() } In the XCPjsua.shared()?.handleIncomingCall(); function I just connect the call. CallKit provides better integration to the system and better VoIP app visibility, but they

Type 'Notification.Name' (aka 'NSNotification.Name') has no member 'UIDevice'

由 ≯℡__Kan透↙ 提交于 2019-12-01 23:06:26
Here is my code which was working before. NotificationCenter.default.addObserver(self, selector: #selector(ImageScrollView.changeOrientationNotification), name: Notification.Name.UIDevice.orientationDidChangeNotification, object: nil) Remove Notification.Name. prefix: NotificationCenter.default.addObserver(self, selector: #selector(ImageScrollView.changeOrientationNotification), name: UIDevice.orientationDidChangeNotification, object: nil) The constants for notifications names were moved in iOS 12 SDK which came with Xcode 10. 来源： https://stackoverflow.com/questions/54693092/type-notification
订阅 swift4.2