lau acm - introduction to swift - dani arnaout

Introduction to Swift

Dani ArnaoutSystems Engineer at Lextech

Introduction1

Introduction1Introduction to Swift

by Dani Arnaout

$


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by Dani Arnaout

stack

queue

linked list

treegraph


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Beirut Electricity


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MacBook Pro Xcode iPhone+ +


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Objective-C


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by Dani Arnaout

Xcode


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stackoverflow.com

http://stackoverflow.com


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Silly Apps


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by Dani Arnaout

1 year later…


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by Dani Arnaout

Academic Industrial

Swift2

Swift2Introduction to Swift

by Dani Arnaout

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I. Data Types

var x = 3var speedOfCar = 84.6var orangesAreOrange = true

let maximumNumberOfSeasons = 4


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I. Data Types

let beeseh = "😻"let bobby = "🐶"

var x = 3var speedOfCar = 84.6var orangesAreOrange = true

let maximumNumberOfSeasons = 4


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unary: -abinary: a+bternary: a?b:c

2. Basic Operators


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var username = "Dani"let uselessString = "This is a totally useless string"

3. Strings


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Array:var shoppingList = ["Eggs", "Milk"]var firstItem = shoppingList[0] // Eggs

Dictionary:var userInfo = [“name”:”Dani", “age”:”24"]var username = userInfo["name"] // Dani

4. Collection Types


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For:for var i = 0; i < 3; i++ {

println("index is " + i)}

For-in:for i in 0...2 {

println("index is " + i)}

5. Control Flow

// index is 0// index is 1// index is 2



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While:var i = 0while i < 3 {

println("index is ”+i)i++

}

5. Control Flow



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If:if temperatureInCelsius < 15 {

println("It's very cold. Consider wearing a scarf.")} else {

println(“It's OK.”) }

5. Control Flow


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Switch:let temperatureInCelsius = 15switch temperatureInCelsius {

case 15:println(“Cold”)default:println(“Meh”)

}

5. Control Flow


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Define a function:func sayHelloWorld() { print(“Hello World”)}

Call a function:sayHelloWorld()

6. Functions

// Hello World


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Define a function:func sayHelloWorld() -> String { return “Hello World”}

Call a function:print(sayHelloWorld())

6. Functions

// Hello World


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Define a function:func sayHello(personName:String) -> String {

return "Hello " + personName + "!"}

Call a function:print(sayHello("Dani"))

6. Functions

// Hello Dani!


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class Rectangle { var width = 0 var height = 0 var hasBorders = false var color : String? }

7. Classes


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?

Start Coding3

Start Coding3Introduction to Swift

by Dani Arnaout

Xcode4

Xcode4Introduction to Swift

by Dani Arnaout

Conclusion5

Conclusion5Introduction to Swift

by Dani Arnaout

Reference


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by Dani Arnaout

Q&A


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Resources

• https://developer.apple.com/library/mac/documentation/Swift/Conceptual/Swift_Programming_Language• http://raywenderlich.com• https://github.com/raywenderlich/swift-style-guide

Web Resources

• Personal pictures• All Googled images are under usage right: Labeled for reuse

Media Resources

• Keynote (6.5)• Xcode (6.1.1)• Reflector (1.6.5)

Software Used

http://raywenderlich.com

https://github.com/raywenderlich/swift-style-guide


by Dani Arnaout

http://www.slideshare.net/DaniArnaout

http://www.slideshare.net/DaniArnaout


by Dani Arnaout

@dani_arnaout

lau acm - introduction to swift - dani arnaout

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