Uiimage Swift 4

swift file has moved above the class. swift; … - Selection from Swift 4 Programming Cookbook [Book]. If you are lazy to read the whole tutorial, you have a GIST file at the bottom of this post that you can download. 0+ (with Xcode 9+), which supports to build both Objective-C && Swift code into static framework. You are using the method of Swift 4. cornerRadius = 5. Make sure that the project that you intend to migrate builds successfully in Swift 3. Basic Examples. Let's give it a go with Swift. It's the better way to set UIImage. Many people want to use a camera in their apps for various reasons. I have a UIImage, and I would like to make another image using the old image as a source, with the new image being rotated in some way… say flipped vertically. GitHub Gist: instantly share code, notes, and snippets. UIImageはUImageViewと一緒に使われることが多いです。 UIImageで取り込んだ画像を背景パターンとした例です。 画像サイズは844×562でプロジェクトに「Add Files to…」にて追加しました。 ViewController. http://swift-salaryman. #FFFFFF or 100x100. I'm new with swift, i searched but i couldn't fine any useful information. So far this is my code Apple. It’s been a popular tool for developers since, so let’s review how to create one in Swift (if you need it in objective-c read Tutorial: Collection View using Flow Layout). Try to get a UIImage from Asset Library Url. Swift日期和字符串互相转换(Swift 3/Swift 4) Swift随着版本的升级,日期类都会有一点变化。所以各个版本的Swift日期和字符串的转换有所不同。Swift 4String转换为Datevar dateString = "2017-11-17" var dateFormatter = DateFormatter() // dateFormat. SAP Gateway IOS 10 SWIFT 3 Application – End to End Development. Jun 9, 2018 · 3 min read. I am trying to show an external Image from an URL. iOS 7 introduced a flat, minimal design to apps which inevitably resulted in some apps having a similar UI. 12/03/2018; 2 minutes to read; In this article. In this tutorial you'll learn how to load an UIImage from URL with Swift. UIImageView: It's something like frame of the image or placeholder of the image where we'll set our UIImage or image. Third Party Main UIimage+Gif File :- https:/. Before I proceed, let me explain the difference between UIImage and UIImageView. To hold the image, UIImageView is required. #FFFFFF or 100x100. ios - Swift无法从. Your ultimate guide to the Google Maps SDK on iOS, using Swift 4 Originally posted on theappspace. Line 1 below is what you want to modify. Screenshots. blue (if it is a color defined in UIColor class) if you want to define a color. This is the second of 4 codelabs that will guide you through building an app for a product called Shrine. By continuing to use this website, you agree to their use. How do you resize an image in iOS? Resizing a photo to a new UIImage: Why to read this new blog ?. UIImage – Bitmap with different formats Ex png and jpeg. @IBOutlet weak var txtField_helloDatePicker: UITextField !. Then pass the lat and Long to the below function and get the address to the passed lat, long. ViewController. And with Swift’s less-forgiving treatment of nil, checking for constants Objective-C-style results in a crash. Launch Screen. BLOBs) using Core Data and Swift. Hello, I have an interface IPicture which I uses on Android and iOS. ios - UIImage在swift不能检查nil ; 9. In this swift tutorial, you are going to learn how to build a custom UITableView programmatically using Swift 4. If you are lazy to read the whole tutorial, you have a GIST file at the bottom of this post that you can download. We’ll tweak the transparency so the table view cells look ok, stop. 2 we can't use asset names anymore. As you've found out: Convert UIImage to byte array in swift (For anyone reading this, the above link gets you straight to the answer. Filter types are defined by Strings constants, which is very un-Swift-like as it allows for run time errors. swiftでカメラアプリ開発 swift 2. To get a basic solution, add an extension to UIImageView that downloads image data using a GCD background thread, then converts that to a UIImage, and loads it back into the image view. Learning Swift as a Designer. up vote 0 down vote favorite in my project i have a UIImageView with square format for the image of the user profile, but when i add an image for example from the library, it appea. - haoking/SwiftyUI. Swift Alamofire tutorial uploading and downloading images Posted on May 2, 2017 by Paul. Swift Project Files (Swift 4). Swift 4 c нуля: UIKit урок 16 - UIImageView & UIImage The Swift Developers. For a recent project, I had to provide a subtle progress cue when the application was synchronizing information. png file into the appropriate bucket. Our method signature would look like. 你的位置:在路上 > 工作和技术 > OS_Platform > MobilePlatform > iOS > Swift > 【未解决】swift初始化一个空的UIImage 【未解决】swift初始化一个空的UIImage Swift crifan 4年前 (2015-12-02) 1073浏览 0评论. I am trying to show an external Image from an URL. ios – Swift:创建一个UIImage数组 ; 10. 0 , Xcode 7. Every function in Swift has a type, consisting of the function's parameter types and return type. You can change the currently selected tab bar item programmatically by using the method below. initialViewController = vc2. In the past year, I have worked on multiple iOS applications in Swift. 2の両方を紹介しています。 特に記載がないものは共通です. MyImageView. This makes it even nicer to integrate a QR code in your own app. Post navigation ← Vertically Scrolling UIImage programmatically Hoji Soft Serve →. Below is the code snippet, that will change color of UIImage or image in swift language. A background image behind a table view can make your app look nicely customized without a ton of effort. png file into the appropriate bucket. Here's how you convert a UIImage into NSData:. The related codelabs can be found at: MDC-101: Material Components (MDC) Basics. Now in project select Main. swift // / / ViewController. we will be using in the IOS SWIFT 3 which we will develop. One of the most anticipated releases of iOS 11 was the announcement of several new Drag and Drop APIs. Learn Swift Basics Next, let's put the fun in Swift Functions. I have been, for a long time, an advocate of putting code that transforms data into model types, since it's part of an app's business logic. You can use Xcode 11 to build targets that are written in either Swift 5. Four Tips and Tools for iOS Testing in Swift Automated testing is an essential part of every development project we undertake at Atomic Object. A great animation can make the difference for a succesful application. It’s a perfect place to experiment with all the possibilities without the limitations of a GUI. When does scroll view come into place? When you need to display content that doesn't entirely fit onto the screen, like a zoomed image or a couple of images in the Photos app. Swift 2 January 2019 3 January 2019 QR Code generation with a custom logo and color using Swift. Note that there is no need to explicitly release the CGImage after we are finished with it, as there would have been in Objective-C. Use MapIcon to add a graphical image and text at a location within the map. 0 comes with a Swift Migrator tool that helps you migrate your project to Swift 4. I'm now including the culmination 750 hours of work and over 460 #SwiftUI files of experimentation, testing, failing and succeeding in the hands of all those that have and will be getting the SwiftUI Views book. swift // / / ViewController. Now open your ViewController. UIImage – Bitmap with different formats Ex png and jpeg. UIImage is the Swift approach to modeling images. We use cookies for various purposes including analytics. CocoaPods 0. UIImageView: It’s something like frame of the image or placeholder of the image where we’ll set our UIImage or image. Swift UIImage extension for tinting images. This entry was posted in Programming and tagged childviewcontroller, ios, iphone, parentviewcontroller, swift, uikit, uiviewcontroller, xcode on February 8, 2018 by Rex. 2, or Swift 4. The Applitools Eyes Screenshot Swift SDK allows you to easily add visual checkpoints to your XCTest and XCUI based unit tests. Migrating to Swift 4. However, start with CocoaPods 1. Then convert to CGImage #Swift:_Convert_CIImage_to_CGImage. I'm an iOS Developer. A short and easy tutorial on how to implement image masking in iOS (Objective-C and Swift) to make an appealing and attractive UI. But when trying to read the exif information with swift, it shows limited number of exif information. Change navigation bar color In order to change color of. It's very flexible, easier to use than its predecessor Objective C, and it will save you some precious minutes when coding with. 0+ (with Xcode 9+), which supports to build both Objective-C && Swift code into static framework. Swift 4, iOS 11, Xcode 9 This is an excerpt taken from Chapter 10, "Model-View-ViewModel" of our book Design Patterns by Tutorials. The iOS Drawing Example Application. Erica Sadun posted a Swift rewrite challenge, and the chosen function is to scale and crop an image. init to { UIImage(contentsOfFile:$0) } instead of using the expected { UIImage(named:$0) }. A couple of caveats to keep in mind: To write the JSON data in a string that spans multiple lines, use a multiline string literal delimited by triple quotes, a feature that was introduced in Swift 4. Screenshots. Swift: Convert UIImage to CIImage //uiImage: UIImage //Convert to CIImage var ciImage = CIImage(image: uiImage) Swift: Convert UIImage to CGImage. In the Protocol-Oriented approach, we start designing our system by defining protocols. ViewController. One more reason to prefer explicit closures there. # Screenshots XCTest Swift Tutorial. The next line of course just sets the image of the UIImageView to be the image we just got pack. Swift UIImage to Data, Data to UIImage. UIViewからUIImageを作成しローカルに保存。 これでUIViewからUIImage、それをpngもしくはjpgで保存、ついでにリサイズと一通りの流れはできているかと思います。. I have been, for a long time, an advocate of putting code that transforms data into model types, since it's part of an app's business logic. Featured in the Apple App Store!. Display resulting UIImage. 5" and 4" images, but you can use just one during development. Step 7: Change our ViewController. The "Data Store" guide says that UIImage is an accepted data type but with the following note: "If there is a UIImage property and the object is saved with a KCSLinkedAppdataStore a file will be created and linked to the entity. But from swift 4. It's very flexible, easier to use than its predecessor Objective C, and it will save you some precious minutes when coding with. Filter types are defined by Strings constants, which is very un-Swift-like as it allows for run time errors. So secondAnswerArray is an array of Strings, where each string is the name of an image you have? In that case you'll need to create a UIImage out of it, by doing UIImage(named: exerciseImageString) (where exerciseImageString is the string in the array). swift; … - Selection from Swift 4 Programming Cookbook [Book]. php のUIImageの色情報を抜き出すをを参考にSwift3として動作するようにしてみたいと思い. 2, or Swift 4. In order to display an image on the screen, you’re most likely going to use UIImageView, which takes a UIImage object and presents it in the view hierarchy. Launch Screen. October 3, 2014 at 7:43 pm. UIImage: It's the image that we want to display. Displaying Date with TextField Click with Swift First you must have a textfield connected to storyboard. So far this is my code Apple. Welcome to Polarr's SDK, in here you will find thorough documentation on how to execute our framework to build beautiful creations. Next, you use the UIImage(CGImage:) constructor to create a UIImage from the newly created CGImage instead of directly from the CIImage as before. Below is the code snippet, that will change color of UIImage or image in swift language. Pretty much NSCache is just a collection that you use to store objects like a UIImage, NSCache requires the type to be AnyObject so you can store your cache using UIImage() if you incline to do so. Here's a relatively easy way to achieve rounded corners on the standard image view in a UITableViewCell: cell. Create iOS Apps With Swift. 0 represents the least compression (or best quality), (default is 0. Create a subclass of UITableViewController in Swift and name it StoriesTableViewController: Open the storyboard and set StoriesTableViewController as class for the Table View Controller : Select the Table View and configure Dynamic Prototypes for Content to define a prototype for the cells in the storyboard but to provide the content in the. 0+ (with Xcode 9+), which supports to build both Objective-C && Swift code into static framework. Step 7: Change our ViewController. swift file and the results viewed dynamically within the live view in the. Some years ago, I wrote this post on how to build a custom video camera based on AVFoundation using Objective-C. The purpose of present article is to provide the efficient way of storing images and videos (i. ViewController. iOS 7 introduced a flat, minimal design to apps which inevitably resulted in some apps having a similar UI. This makes it even nicer to integrate a QR code in your own app. In this tutorial you'll learn how to load an UIImage from URL with Swift. Then convert to CGImage #Swift:_Convert_CIImage_to_CGImage. If you are reading this book sequentially and have created the LiveViewDemo project as outlined in the chapter entitled Interface Builder Live Views and iOS 10 Embedded Frameworks, then the code in this chapter may simply be placed in the draw method contained within the MyDrawView. We have integration engineers standing by to help your team integrate ScreenShieldKit into your apps. swift tutorial Swift image from url: How to load UIImage from url. Your Programmable NIC Should be a Programmable Switch. swift file (For example). #if os(i OS) var image: UIImage? #elseif os(mac OS) var image: NSImage? #endif Unfortunately, os() doesn’t offer any insight into the specific version of macOS or iOS, which means that checks must be made at runtime. cornerRadius = 5. Create a new single view swift project for iOS. SAP Gateway IOS 10 SWIFT 3 Application – End to End Development. Swift UIImage extension for tinting images. 1 is a source compatible update to Swift 4. This entry was posted in Programming and tagged childviewcontroller, ios, iphone, parentviewcontroller, swift, uikit, uiviewcontroller, xcode on February 8, 2018 by Rex. Liang Wang, Mengyuan Li, Yinqian Zhang, Thomas Ristenpart and Michael Swift. [Swift 4] How to make a horizontal paging UIScrollView with Auto Layout in Storyboards How To Implement a Sticky View While Table View Scrolls; Like App Store app [Swift 3] [Swift] How to Asynchronously Download and Cache Images without Relying on Third-Party Libraries. The Swift™ Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. UIImage is the Swift approach to modeling images. 12/03/2018; 2 minutes to read; In this article. It explains the considerations and solutions for cropping a bitmap. It is intended to be simple, lightweight, and easy to use. swift tutorial Swift image from url: How to load UIImage from url. In order to display an image on the screen, you’re most likely going to use UIImageView, which takes a UIImage object and presents it in the view hierarchy. Hello, I have an interface IPicture which I uses on Android and iOS. One of the most anticipated releases of iOS 11 was the announcement of several new Drag and Drop APIs. High performance and lightweight UIView, UIImage, UIImageView, UIlabel, UIButton, Promise and more. This post describes the goals, release process, and estimated schedule for Swift 4. 0 – New feature is able to view transcripts like timeline. Learn Swift. We've built a complete guide to help you learn Swift, whether you're just getting started with the basics or you want to explore more advanced topics. Our method signature would look like. Following are warnings and errors will come while upgrading from Swift 4. Before I proceed, let me explain the difference between UIImage and UIImageView. x to Swift 4. In Swift, ARC can automatically release Core Foundation objects. swift and make this class conform to the UIPickerViewDelegate and UIPickerViewDataSource protocols. There are a few pitfalls to make it look just right so let’s walk through how to add a background image to a UITableView. Swift 4, iOS 11, Xcode 9 This is an excerpt taken from Chapter 10, “Model-View-ViewModel” of our book Design Patterns by Tutorials. Swift Alamofire tutorial uploading and downloading images Posted on May 2, 2017 by Paul. Default color is lightGray. com/pixcelcolor. To get a basic solution, add an extension to UIImageView that downloads image data using a GCD background thread, then converts that to a UIImage, and loads it back into the image view. Launch Screen. Connecting the Data. Their calls are similar, as you see in the following declarations, and both are incredibly useful tools: /// If `self == nil`, returns `nil`. Note that there is no need to explicitly release the CGImage after we are finished with it, as there would have been in Objective-C. masksToBounds = YES; cell. I am trying to show an external Image from an URL. Run Swift is a web tool where you can easily try Apple's Swift language online. Create a new single view swift project for iOS. If you haven’t read that yet, check out Part 1 This table is slow! Let’s speed it up. up vote 0 down vote favorite in my project i have a UIImageView with square format for the image of the user profile, but when i add an image for example from the library, it appea. Make sure that the project that you intend to migrate builds successfully in Swift 3. The paradigm also changes how we. RxSwift 활용하기 Let'Swift 2017 발표 Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. There is no overhead in calling UIImage(named: ) repeatedly, because the UIKit framework already caches the image, as documented in the UIImage(named:) reference:. com/pixcelcolor. Note that there is no need to explicitly release the CGImage after we are finished with it, as there would have been in Objective-C. 0 mais pas sur un téléphone tournant n d'Images. Our final Swift code. Emoji/String convert to UIImage. we will be using in the IOS SWIFT 3 which we will develop. swift file and the results viewed dynamically within the live view in the. I have been, for a long time, an advocate of putting code that transforms data into model types, since it's part of an app's business logic. Swift and static framework. However, start with CocoaPods 1. UIImageは,一般的にあらかじめプロジェクトに導入しているimageファイル(pngやjpgなど)を用いることが多いようです. 例えば,Fusapiensさんの記事から引用すれば,. A great animation can make the difference for a succesful application. Almost every iPhone and iPad now has a camera. CGImage; const CGFloat colorMasking[6] = {222, 255, 222, 255, 222, 255. This is a legacy document for Xcode 9 and migrating from Swift 3. Swift project previously have to use use_frameworks! to make all Pods into dynamic framework to let CocoaPods works. Text content is released under Creative Commons BY-SA. We’ll tweak the transparency so the table view cells look ok, stop. Since Swift 4. In this Swift code example we will learn how to create UIImageView programmatically and how to load an image from a remote url. Access iOS Camera and Photo Library. This article describes the implementation of a custom class called MMSCropImageView. 4) IOS Mobile Application. I have a UIImage, and I would like to make another image using the old image as a source, with the new image being rotated in some way… say flipped vertically. MyImageView. rotate uiview swift (8). This tutorial shows how to use the cell style Custom in a Storyboard to customize the views of a UITableView cell:. [Swift 4] How to make a horizontal paging UIScrollView with Auto Layout in Storyboards How To Implement a Sticky View While Table View Scrolls; Like App Store app [Swift 3] [Swift] How to Asynchronously Download and Cache Images without Relying on Third-Party Libraries. 2 mode, and all its tests pass. In this swift tutorial, you are going to learn how to build a custom UITableView programmatically using Swift 4. Fire up your Xcode, get your Swift hat on and get hacking with this game called Add-1. Learn how to make iOS apps using Xcode 9. Image Geometry. - haoking/SwiftyUI. The quality of the resulting JPEG image, expressed as a value from 0. 2] 前回に引き続きお絵描きアプリを作成しようと思います。 今回で本シリーズは最終回です。. We're using Images from assets catalog instead String names. 0 in Objective-C and now continuing with Swift. uiimage to base64 string encoding swift 4 (14) Does anyone know how to convert a UIImage to a Base64 string, and then reverse it? I have the below code; the original image before encoding is good, but I only get a blank image after I encode and decode it. 4 Votes 1371 Views I have an image with a-lot of exif informations. php のUIImageの色情報を抜き出すをを参考にSwift3として動作するようにしてみたいと思い. OK, I Understand. 0+ (with Xcode 9+), which supports to build both Objective-C && Swift code into static framework. Convert UIImage to NSData or NSData to UIImage data Swift let image UIImage UIImage(data imageData scale 1 0) Tags UIImage to NSData NSData to UIImage without scaling Comment on it 0 Comment(s) Fill out the form below and instructions to reset your password will be emailed to you. This tutorial shows how to use the cell style Custom in a Storyboard to customize the views of a UITableView cell:. Swiftでお絵描きアプリを作成する(第4回UIImageのカメラロールへの保存) [Array][swift2. Luckily, in Swift 4, the Codable protocols were introduced, which make parsing JSON straightforward. Swiftly Swift. cifilter swift (5) Swift 4 UIImage extension without force unwrapping: extension UIImage { /// Applies a gaussian blur to the image. This is so the ViewController can access it. 1 This will show you how to save and load images in a way that is very easy and straight forward. Create an UIImageView with the given image, size and center. Since Swift 4. UITableView in Swift → 4 thoughts on " UIImagePickerController in Swift " TVS. Migrating to Swift 4. Swift UIImage extension for tinting images. ) directly in the application bundle. Just paste any snippet, switch to the Swift version you prefer (either 2. 0 Callbacks: What are they? How do they work? What are they used for in practice? My goal in this article is to provide answers to these questions so that you have a foundational understanding of this common programming pattern in iOS development. Using NSCoder with UIImage submitted 4 The actual crash occurs on line 26 of Photo. But because this is a lazy property, you can reference self in there! (note that this is true even if you don’t use a closure, like in the previous example). Instead, UIImage is the data type you'll use to load image data, such as PNG or JPEGs. And available out of the box with Swift 4. To set the app icon, simply select "App Icon" in the asset catalog and drag a. RECOG - Ver. Swift XMPP Client. 2m Likes, 0 Comments - Taylor Swift (@taylorswift) on Instagram: “4. 3 iphoneの実機でカメラを動かしたい! akira-watson. Resizing a UIImage is a very common task. How do you resize an image in iOS? Resizing a photo to a new UIImage: Why to read this new blog ?. Third Party Main UIimage+Gif File :- https:/. 2 we can't use asset names anymore. 0+ (with Xcode 9+), which supports to build both Objective-C && Swift code into static framework. The code first gets the image as template image from the corresponding view (in our case it is UIImageView) where its showing or displayed and then this template image is assigned to UIImageView. When I explain classes to people, I usually think of one to describe a car. [Swift 4] How to make a horizontal paging UIScrollView with Auto Layout in Storyboards How To Implement a Sticky View While Table View Scrolls; Like App Store app [Swift 3] [Swift] How to Asynchronously Download and Cache Images without Relying on Third-Party Libraries. Many iOS apps use Google Maps. You are using the method of Swift 4. Here's a relatively easy way to achieve rounded corners on the standard image view in a UITableViewCell: cell. OK, I Understand. I want to make. I have a UIImage, and I would like to make another image using the old image as a source, with the new image being rotated in some way say flipped vertically. cornerRadius = 5. Ideally, you would create an OpenCV wrapper for the tasks you wish to perform and you would only mark that file as. Use MapIcon to add a graphical image and text at a location within the map. 0 comes with a Swift Migrator tool that helps you migrate your project to Swift 4. Pretty much NSCache is just a collection that you use to store objects like a UIImage, NSCache requires the type to be AnyObject so you can store your cache using UIImage() if you incline to do so. Swift + Take pictures and save to camera roll usin Swift + Send E-mail In-App using MFMailComposeView Swift + CLGeocoder to show address string on Map; Swift + CLGeocoder to get address from current loc Swift + Show Current Location and Update Location Swift + NSDate ot String and Vice Versa. Metal Kernel Functions / Compute Shaders in Swift As part of a project to create a GPU based reaction diffusion simulation , I stated to look at using Metal in Swift this weekend. 以前は Swift の初期のバージョンで記事を書いていましたが、Swift 4. blue (if it is a color defined in UIColor class) if you want to define a color. One note, the status really should be an. 上面代码中可以看出,是在AppDelegate. Is it possible to convert URL to UIImage? submitted 2 years ago by dikachu12. Pretty much NSCache is just a collection that you use to store objects like a UIImage, NSCache requires the type to be AnyObject so you can store your cache using UIImage() if you incline to do so. Learn Swift. Connecting the Data. The Secret of Storing and Loading UIImage(s) Federico is a Bangkok-based Software Engineer with a strong passion for Swift, Minimalism, Design, and iOS Development. Swift project previously have to use use_frameworks! to make all Pods into dynamic framework to let CocoaPods works. Swiftly Swift. ios - UIImage在swift不能检查nil ; 9. Posted on : October 20, Swift 4. 最近,在项目中遇到需要将图片(UIImage)转化成base64位的字符串, 然后上传到服务器, 虽然网上也有很多关于该技术的博客,但是swift版的少之又少,为了方便在入门swift的小伙伴们,或者说为了方便以后自己的回顾,就简单在此记录一下。. GitHub Gist: instantly share code, notes, and snippets. iOS Swift Resize a ImageView based on UIImage size and fit the screen's width. # Install the SDK # Add EyesXCUI to your. Swift Project Files (Swift 4). I will name the class CameraHandler. photoLibraryから写真を取得して、UIImagePNGRepresentation()にてDATA型に変換後userDefaultsに保存。 userDefaultsからそのDATAを呼び出してUIImage(data:data)にてUIImageに変換後ボタンにイメージを設定すると、左に90度回転してしまうことがある。. Note that the image declaration in the Swift2D. // calculate the size of the rotated view's containing box for our drawing space. But we doubt you'll need them. Change navigation bar color In order to change color of. Posted on August 30th, 2015. Follow @mrackwitz TL;DR: CocoaPods 0. It's the better way to set UIImage. Swift之CIImage、CGImage、UIImage之间的相互转换iOS开发中对于Image的对象有三种形式CIImage、CGImage、UIImage,有时候我们通常需要三者之间进行转换,下 博文 来自: iTaacy的博客. 自前でUIImageを生成し,UIImageViewで表示する. To get your pushpin to look pixel-perfect, you'll also want to review how to anchor your MapIcons to make them align with the chosen location on a map. 0 with STEP by STEP instructions. masksToBounds = YES; cell. When I explain classes to people, I usually think of one to describe a car. 0 – New feature is able to view transcripts like timeline. Tag: ios,swift,uiimage,alassetslibrary. #if os(i OS) var image: UIImage? #elseif os(mac OS) var image: NSImage? #endif Unfortunately, os() doesn’t offer any insight into the specific version of macOS or iOS, which means that checks must be made at runtime. 0 , Xcode 7. storyboard you can for simplicity turn off the use size. Improve Your Swift Closures with Result. While trying to come up with the best solution, it did pop into my head to consider flatMap, but to be honest, I didn't know much about flatMap or how. davidoliverdoswell 2017-10-05 19:08:49 UTC #4 Thanks. GitHub Gist: instantly share code, notes, and snippets. I'm new with swift, i searched but i couldn't fine any useful information. initialViewController = vc2. UIImage: It's the image that we want to display. Optional Mapping. 1 with Swift. If you are reading this book sequentially and have created the LiveViewDemo project as outlined in the chapter entitled Interface Builder Live Views and iOS 10 Embedded Frameworks, then the code in this chapter may simply be placed in the draw method contained within the MyDrawView. image = UIImage(0) can anyone tell me what is wrong? Skip navigation How can you change a UIImage's image in swift 2 1435 Views 4. I wrote Base64 encode and decode routines for Objective-C in the recent past. Questions: I'm using Xcode 6. UIImage Class Reference.