Create Your Own iPhone App

// This sets up the navigation controller (the bar at the top) to be a certain style, color, and tint.
let name = "ENTER NAME HERE"
self.title = "Good morning, \(name)"
self.navigationController!.navigationBar.barTintColor = UIColor(red: 42/255, green: 62/255, blue: 80/255, alpha: 1)
self.navigationController!.navigationBar.barStyle = .blackTranslucent
self.navigationController!.navigationBar.tintColor = UIColor.white 

// Calling the setupGIF function
setupGIF()

func setupGIF() {
    /* gifString is the query we're going to be searching with using the Giphy.com API.
    Before we do that, we escape the string properly. Then, we put everything together
    in a completed searchURL and get the contents from the link */

    let gifString = "dj khaled"
    let encodedString = gifString.addingPercentEncoding(withAllowedCharacters: CharacterSet.urlQueryAllowed)!
    let searchURL = URL(string:"http://api.giphy.com/v1/gifs/translate?s=\(encodedString)&api_key=dc6zaTOxFJmzC")
    let searchData = try? Data(contentsOf: searchURL!)

    /* The next thing we have to do is parse the JSON that is returned from the URL.
    This involves accessing multiple dictionaries until we reach the gif link we're after. */

do {
    if let jsonResult = try JSONSerialization.jsonObject(with: searchData!, options: []) as? NSDictionary {
        if let items = jsonResult["data"] as? NSDictionary {
            if let images = items["images"] as? NSDictionary {
                if let gType = images["downsized"] as? NSDictionary {
                    if let link = gType["url"] as? String {
                        
                        /* After we have the link, the only that's left to do is display it with the help of
                        the UIImage+Gif.swift framework we added */
                        
                        let imageData = try? Data(contentsOf: URL(string: link)!)
                        let gif = UIImage.gifWithData(imageData!)
                        self.imageView.image = gif;
                    }
                }
            }
        }
    }
} catch let error as NSError {
    print(error.localizedDescription)
    }
}

func setupQuote() {
    /* This is a slightly different way to make HTTP requests but the fundamentals are the same.
    We're using Apple's NSURLSession framework to get the data returned from http://quotes.rest/qod.json */

    let url = URL(string: "http://quotes.rest/qod.json")
    let session = URLSession.shared
    let task = session.dataTask(with: url!, completionHandler: {(data, reponse, error) in
        do {
        
            /* Again, this is where we start parsing the JSON until we reach the data we're after */
        
            if let jsonResult = try JSONSerialization.jsonObject(with: data!, options: []) as? NSDictionary {
                if let items = jsonResult["contents"] as? NSDictionary {
                    if let quoteData = items["quotes"] as? NSArray {
                        if let firstQuote = quoteData[0] as? NSDictionary {
                        
                            /* Once we reach the quote, all we have to do is display the text */
                        
                            let quoteText = firstQuote["quote"] as! String
                            let quoteAuthor = firstQuote["author"] as! String
                            DispatchQueue.main.async(execute: {
                                self.quoteTextView.text = "💭 Quote of the Day 💭\n\n\(quoteText)\n\n- \(quoteAuthor)"
                            });
                        }
                    }
                }
            }
        } catch let error as NSError {
        print(error.localizedDescription)
        }
    })

    task.resume()
}

@IBOutlet weak var **countdownLabel**: UILabel!
@IBOutlet weak var **newsButton**: UIButton!
@IBOutlet weak var **xkcdImageView**: UIImageView!
@IBOutlet weak var **xkcdTitleLable**: UILabel!

var articleUrl = String()

setupCountdown();
setupNews();
setupXKCD();

func setupCountdown() {
    /* This sets up the format the date should be in */

    let dateFormatter = DateFormatter()
    dateFormatter.dateFormat = "yyyy-MM-dd"

    /* This initializes the two dates we want to find the time difference between */

    let targetDate: Date? = dateFormatter.date(from: "2017-06-20")
    let todayDate: Date? = Date()

    /* After we have the difference between the two dates, we can display it with our label */

    let calendar = Calendar.init(identifier: Calendar.Identifier.gregorian);
    let components = (calendar as NSCalendar?)?.components(.day, from:todayDate!, to:targetDate!, options: [])
    let dateString = DateFormatter.localizedString(from: targetDate!, dateStyle: .short, timeStyle: .short); //format date correctly
    let days = (components?.day!)!
    self.countdownLabel.text = "📅 Days until \(dateString):\n\(days)"
}

func setupNews() {
    /* This is the URL for getting the top NYTimes stories */

    let url = URL(string: "https://api.nytimes.com/svc/topstories/v2/home.json?api-key=8085826bc22e436aa53e58765b1c38f6")
    let session = URLSession.shared
    let task = session.dataTask(with: url!, completionHandler: {(data, reponse, error) in
        do {
            if let jsonResult = try JSONSerialization.jsonObject(with: data!, options: []) as? NSDictionary {
                if let items = jsonResult["results"] as? NSArray {
                
                    /* Because we just want 1 story, we get the first item in the dictionary */
                
                    if let topArticle = items[0] as? NSDictionary {
                        let articleTitle = topArticle["title"] as! String
                        self.articleUrl = topArticle["url"] as! String
                    
                        /* We set the title of the button to be the article title */
                    
                        DispatchQueue.main.async(execute: {
                            self.newsButton.setTitle(articleTitle, for: UIControlState())
                        });
                    }
                }
            }
        } catch let error as NSError {
            print(error.localizedDescription)
        }
    })

    task.resume()
}

/* This function will get "triggered" everytime the button is tapped.
In our case, we want it to open the article URL (in mobile Safari). */

@IBAction func buttonTapped(_ sender: UIButton) {
    if let url = URL(string: self.articleUrl) {
        UIApplication.shared.openURL(url)
    }
}

func setupXKCD() {
    /* This gets the most current xkcd comic */

    let url = URL(string: "http://xkcd.com/info.0.json")
    let session = URLSession.shared
    let task = session.dataTask(with: url!, completionHandler: {(data, reponse, error) in
        do {
            if let jsonResult = try JSONSerialization.jsonObject(with: data!, options: []) as? NSDictionary {
                let imageLink = jsonResult["img"] as! String
                let title = jsonResult["title"] as! String
            
                let url = URL(string: imageLink)
                let data = try? Data(contentsOf: url!)
            
                /* Once we have the imageLink and title, we can display it. */
            
                DispatchQueue.main.async(execute: {
                    self.xkcdTitleLable.text = title;
                    self.xkcdImageView.image = UIImage(data: data!)
                });
            }
        } catch let error as NSError {
            print(error.localizedDescription)
        }
    })

    task.resume()
}