How to open Acrobat Reader to read pdf file?

Question

I have many files in .pdf format. I'm display the names of the files in a collection view. Now in the didSelectItemAtIndex method, I want to open Acrobat Reader to open the pdf files. How do I implement this ? Also does Acrobat Reader have an URL Scheme so that I can detect whether the app is on the phone ?

Answer 1

This is the app schema for Adobe reader :

com.adobe.Adobe-Reader

In Swift, you can do the following :

           var docController: UIDocumentInteractionController?
    if let path = Bundle.main.path(forResource: "PDF-NAME", ofType: "pdf") {
            let targetURL = NSURL.fileURL(withPath: path)
            docController = UIDocumentInteractionController(url: targetURL)
            let url = NSURL(string:"com.adobe.Adobe-Reader:");
            if UIApplication.shared.canOpenURL(url! as URL) {
                docController!.presentOpenInMenu(from: .zero, in: self.view, animated: true)
                print("Adobe-Reader")
            }else{
                print("Adobe-Reader is not installed")
            }
    }

And add below app schemas in plist.

<key>LSApplicationQueriesSchemes</key>
<array>
    <string>com.adobe.Adobe-Reader</string>
</array>

Answer 2

First get the path for your pdf file. They call this to open pdf through acrobat reader

UIApplication.shared.open(URL(string: "com.adobe.adobe-reader://PDFFilePath")!)

But before that, there is no harm to confirm if the reader is already installed or not

if UIApplication.shared.canOpenURL(theURL! as URL) {

}