![]() ![]() So in this article I’ll write about PDF specific stuff as the image gallery was a better example of how to scroll views efficiently. I wrote about scrolling images in a UIScrollView in another post To accomplish the task, there are three main topics. Let’s start with the UIScrollView containing views with single PDF pages.Īs I mentioned before this was the solution I had to implement a few years ago, I cut some corners for the Swift porting as I don’t expect to use this in production now that iOS supports it in the framework. Download, Store, and View PDF in Swift I’ve been working on an App that requires me to download PDF files, store it, and to view it. PDFKit is a great way to interact with PDF Documents, pages, annotations. horizontal pdfView.displaysPageBreaks false ePageViewController (true, withViewOptions: nil) However, this produces the following: This is due to the varying heights of the. In this video we will take a quick look at PDFKit by Apple in Swift/Xcode. Using a Webview is so simple I didn’t feel the need to write the example, I’m sure there are tons of them available. For example: I would like to use PDFKit 's PDFView, especially since these settings can be achieved by: let pdfView PDFView () pdfView.displayDirection. Where I put two implementations: the scrollview with PDF pages and the one with PDFView. Recently I wanted to port my Objective-C code to Swift and I decided to share the implementation, so I created this GitHub project Technical notes All PDFXKit source files live in the Sources directory. I started working on the custom solution back when we didn’t have WKWebViews nor PDF Kit, so my only alternatives were displaying PDFs in a UIWebView or implementing a custom solution. Open PDFXKit.xcworkspace and wait for the Swift package manager to download the dependencies Build & Run PDFXKitExample Contributing Please sign our CLA agreement so we can accept your pull requests. The third alternative is drawing PDF pages and place them on a UIScrollView. ![]() ![]() In iOS 11 Apple introduced a new class PDFView, a subclass of UIView that comes with a configuration, so you can have side-by-side pages, vertical and horizontal scrolling and many more options. I said we have 3 ways to show the PDF and we just saw one, so what are the remaining two? PDFKit is a PDF document generation library for Node and the browser that makes creating complex, multi-page, printabledocuments easy. PDFKit provides option to add annotation to PDF file using PDFAnnoation class. The only downside is the scrolling is only vertical, which is fine for most apps but you may want to provide some customisations, for example the ability to scroll horizontally and to have two pages side-by-side in landscape. Just like loading a local page, or a remote one, you can provide the URL of the PDF and the WKWebView will take care of it. There are three possible ways of displaying a PDF. Xcode 11+ Swift 5.1 Installation Carthage Add the following to your Cartfile: github 'sgr-ksmt/PDFGenerator' > 3. ![]() It could be a privacy policy document, an invoice, a flyer the company distributes on paper and via its app, a magazine. Create an Extension of UIView and add below code in your UIView Extension file.Showing PDFs is pretty common for an iOS app. class PDFAppearanceCharacteristics An object that represents appearance characteristics of a widget annotation. class PDFDestination A PDFDestination object describes a point on a PDF page. A little bit more difficult to use if compared to other libraries offers support to both Node and the browser through Webpack. Available since 2012 has gained strong popularity and it is still receiving updates as of 2021. You can easily create a PDF file from UIView. class PDFAction An action that is performed when, for example, a PDF annotation is activated or an outline item is clicked. PDFKit is one of the first pdf libraries released in the huge Javascript ecosystem. ![]()
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