How to download PDF and store it locally on iPhone?

Question

I am able to successfully view a PDF from a website. I want to be able to download that PDF to the device, then access that file locally.

When the app is opened, it

Answer 1

With Swift version 3.0 syntax:

let url = NSURL(fileURLWithPath: "http://example.com/examplePDF.pdf")

    if let pdfData = NSData(contentsOf: url as URL) {

        let resourceDocPath = NSHomeDirectory().appending("/Documents/yourPDF.pdf")

        unlink(resourceDocPath)

        pdfData.write(toFile: resourceDocPath, atomically: true)

    }