jensmeder

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.Map;
import java.util.List;

public class Photos {

    private final Path source;

jensmeder

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.Map;
import java.util.List;

public class Photos {

    private final Path source;

jensmeder

//
//  AppDelegate.swift
//  Crashy
//
//  Created by Jens Meder on 13.06.17.
//  Copyright © 2017 Jens Meder. All rights reserved.
//

import UIKit

jensmeder

import UIKit
import CoreNFC

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate, NFCNDEFReaderSessionDelegate {

    var window: UIWindow?
    var session: NFCNDEFReaderSession?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

jensmeder

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>com.apple.developer.nfc.readersession.formats</key>
	<array>
		<string>NDEF</string>
	</array>
</dict>
</plist>

jensmeder

import Foundation
import UIKit
import PlaygroundSupport

let data = "Hello World!".data(using: .utf8)!
let filter = CIFilter(name: "CIQRCodeGenerator", withInputParameters: ["inputMessage" : data, "inputCorrectionLevel":"L"])
let ciimage = filter!.outputImage!
let transform = CGAffineTransform(scaleX: 7.0, y: 7.0)
let image = ciimage.applying(transform)
let img = UIImage(ciImage: image)

jensmeder

import Foundation
import UIKit
import PlaygroundSupport

let data = "Hello World!".data(using: .utf8)!
let filter = CIFilter(name: "CIQRCodeGenerator", withInputParameters: ["inputMessage" : data, "inputCorrectionLevel":"L"])
let image = filter!.outputImage!
let img = UIImage(ciImage: image)

PlaygroundPage.current.liveView = UIImageView(image: img)