Swift勉強会~NEWSアプリを作ろう~

SwiftTest.playground

import UIKit

//変数の作り方
var name : String
var num :Int

//初期値有り
var string = "AAA"
var i = 10

//定数
let const = "固定値"

//配列作成
var animals = ["ウサギ","ネコ","犬"]
animals[1]

//辞書(key:value)
var scores = ["TARO":80,"JIRO":100,"SABURO":50]
scores["TARO"]
scores.count


//関数作成
func sayHello(name:String){
    print("Hello♥" + name)
}
//関数呼び出し
sayHello("TARO")


//関数(引数、戻り値あり)
func sum(a:Int, b:Int) -> Int{
    return a + b
}
//関数呼び出し
print(sum(3, 5))

MyFirstApp

サンプルコード https://www.dropbox.com/s/3so0t3pjfurxc4g/MyFirstApp.zip?dl=0

TableTest(Playground)

import UIKit

class MyContoller:UITableViewController{
    override func viewDidLoad() {
        super.viewDidLoad()
        self.tableView.registerClass(UITableViewCell.self,forCellReuseIdentifier:"cell") 
        }
    override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 10
    }
    
    override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        var cell = tableView.dequeueReusableCellWithIdentifier("cell") as UITableViewCell
        cell.textLabel.text = String((indexPath.row)+1) + "行目"
        return cell
    }
    
}
var controller = MyContoller()
controller.view

JSONReader(Playground)

import UIKit
import XCPlayground


var urlString = "http://ajax.googleapis.com/ajax/services/feed/load?v=1.0&q=http://rss.dailynews.yahoo.co.jp/fc/rss.xml&num=10"

var url = NSURL(string: urlString)

//NSURLSessionでダウンロードする
var task = NSURLSession.sharedSession().dataTaskWithURL(url!, completionHandler: {data, response, error in
    //JSONデータを辞書に変換する
    var dist = NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.MutableContainers, error: nil)as NSDictionary
    
    var responseData  = dist["responseData"]as NSDictionary
    var feed = responseData["feed"]as NSDictionary
    var entries = feed["entries"]as NSArray
    for entry in entries{
        println(entry["title"])
    }
    //println(dist)
})
task.resume()

XCPSetExecutionShouldContinueIndefinitely(continueIndefinitely: true)

Newsリーダー

サンプルコード https://www.dropbox.com/s/s4uwdoq6ui2djg7/SwiftNews.zip?dl=0