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#Swiftui pdfkit pdf

Second, locate the page you want to insert and insert it at desired location: // let's assume we want to insert 5th page of 2nd doc to 1st doc let page = secondDocument.page(at: 5) // And insert this page as first firstDocument.insert(page, at: 0)ĭon’t forget to save your document after insertion: firstDocument.write(to: URL_TO_YOUR_FIRST_DOC) Remove page from PDF Document SwiftUI is the new and powerful interface toolkit that lets you design and build iOS, iPadOS, and macOS apps using decla. Your contribution will go a long way in helping us. Go to ViewController.swift and add the following inside a new function called generatePDFData () Now that we have a function that creates the PDF we need by configuring the context, all we have left to do is get the cocktails from our API and pass them to this function.

#Swiftui pdfkit download

let firstPDFDocument = PDFDocument(url: URL_TO_YOUR_FIRST_DOC) let secondPDFDocument = PDFDocument(url: URL_TO_YOUR_SECOND_DOC) Swift Tutorial in PDF, You can download the PDF of this wonderful tutorial by paying a nominal price of 9.99. One where the page would be inserted, and another from which we’ll take the page to insert. To add or remove pages to/from PDF document we need to use Apple’s PDFKit methods.įirst, you need to initialize 2 PDF documents. You must add try? call because writing operation is throwable. pdfData method of your renderer: let data = renderer.pdfData let pageRect = CGRect(x: 0, y: 0, width: 595, height: 842) let renderer = UIGraphicsPDFRenderer(bounds: pageRect, format: format) Page dimensions would be: // US Letter Width: 8.5 inches * 72 DPI = 612 points Height: 11 inches * 72 DPI = 792 points // A4 would be 595 x 842 pointsĪfter doing this math, we need to instantiate UIGraphicsPDFRenderer object, which is responsible of document rendering. PDF documents use a default resolution of 72 DPI. Second, we need to calculate PDF page dimensions.

#Swiftui pdfkit full

You’ll find a full list of available metadata parameters in CoreGraphics framework reference documentation, just start typing kCGPDF in your code in Xcode. let format = UIGraphicsPDFRendererFormat() let metaData = format.documentInfo = metaData as There are few simple UIKit methods for that.įirst, you need to create UIGraphicsPDFRendererFormat object to provide PDF document metadata such as author, etc. In case you need to create a new PDF file on iOS device you won’t actually need to use PDFKit at all. Step 4 - Adding Image to the top of the Screen to show that its users login and adding frame of width and height as shown below. Step 3 - Add title text as Login in the View and can set style to the Text.

Second is about PencilKit, Text annotations & auto-saving Creating Project: Step 1 - Creating a new project with SwiftUI.

First article is about PDFKit basics & Ink annotations.

This is the third article about Apple’s PDFkit featuring in-code document creation and pages operations. This is especially useful for apps that need to generate receipts, bills, invoices or any other confidential or important documents. PDF is useful so we can generate files that cannot be modified and shared or sent to others.

#Swiftui pdfkit generator

You need to create a UIView generator wrapper for PDFView class, as SwiftUI doesn’t have a readily available UIView subclass for it.IOS PDFKit: creating PDF document in Swift, inserting/deleting pages PDFKit is the framework by Apple that you need to display and manipulate PDF files in your app.

Assign this Document object to a PDFView class object.

Fetch a Document object from PDFDocument class by providing the URL/File path of your pdf file.

Kind of felt it similar to Flutter’s framework, just a personal perspective.įor viewing a PDF file or document using PDFKit, only two steps are required for Swift, and in the case of SwiftUI framework, an additional step is needed 🙂 As I had been learning about SwiftUI and I found it to be really elegant, sleek, swift (aptly named), and fun to work on. But later, I just decided to try out the same in SwiftUI, instead. Well start with PDFKit basics and will create first Ink annotations in the end of. I started developing the project, initially, in the Swift framework using the PDFKit package. This is my first article about Apples PDFKit. It was more of a PDF viewer and annotator app, basically. Sometime back, I had been working on a personal project which required PDF files to be loaded and editable ie adding annotations, color editing, etc. In this blog, I have summarised the steps along with the code required to develop a basic PDF viewer iOS app in SwiftUI, using it a user can open and view PDF files.