Swift Learning-swift? And!

The Swift language uses VAR to define variables, but unlike other languages, Swift does not automatically assign an initial value to a variable, which means that the variable does not have a default value, so it must be initialized before it is

Get album pictures and save to albums in Swift

There is less information on the current location record on the web, so record the pit. Get album Pictures 1: var iPC = Uiimagepickercontroller () 2: ipc.sourcetype = uiimagepickercontrollersourcetype.savedphotosalbum 3:

Swift array literal

1 You can initialize an array with an array literal, simply by putting one or more values together. The array literal is written as a comma-separated line of values, and the lines are wrapped up in parentheses with one end of each other:2[Value1,

Swift functions and closures

Use the func keyword in 1.Swfit syntax to declare a functionfunc Sayhi () { println ("Hi! " )}The results show: Hi!2. function with parameter and return value function, parameter string, return value stringFunc Sayhitoperson

Swift Basic Tutorial (Swift code creates the Uilabel of the first control)

First, set the frame to the label you want to create. LetTextlabel =UILabel(Frame:CGRectMake( Self.View.Frame.size.width/8, -, Self.View.Frame.size.width*3/4, -))Set a value for a labelTextlabel.text = "Now let's start learning how to create our

Swift Basic Types

First, the number type:Conversion between Swift numeric types Swift is a safe language, and for type checking is very strict and cannot be easily converted between different types.1. Conversion between integers: In other languages such as C and

[Swift Learning] Uikit Learn the use of slider control UISlider

Uikit Learn the use of slider control UISliderSlider:Sliders enable users to interactively modify some adjustable the value in a app, such as speaker volume or screen brightness.UISlider:A UISlider object is a visual control used to select a single

Swift 2.0 Learning Note (Day 21)--function return value

Original articles, welcome reprint. Reprint Please specify: Dongsheng's BlogReturns a value of 3 forms: no return value, single return value, and multiple return value.No return value functionThe so-called no return result is, in fact, a void type,

The split line of Swift TableView cannot be the head

1, set TableView's Separatorinset, layoutmarginsif(Mytableview.respondstoselector ("Setseparatorinset:") ) {Mytableview.separatorinset= Uiedgeinsetsmake (0,0,0,0) } if(Mytableview.respondstoselector ("Setlayoutmargins:") ) {Mytableview.

Swift 2.0 Study Notes (day 11)-Data type What's the matter?

??original articles, welcome reprint. Reprint Please specify: Dongsheng's blog   when we learn the language, we learn the data type of the language,SwiftWhat are the data types in? Integer, float, Boolean, character, string these types are certain,

Swift Getting Started Hello world! Swift.

Apple launches the new development language Swift, with regard to trends, appearances and OC What is not the same place.Prerequisites: Xcode6-beta installed (this process is not a table)1. Open Xcode6-beta, second select Create a Newxcode

Spy on Swift's Strings (string)

Before summing up the string in Objective-c "objective-c Select string processing method ", learn a new language how can be less of the string it. The string in swift and the Objective-c language in the NSString are still different, and the string

swift-Learning Tool-playground

There are a few tips to learn about swift and share with you todayWe write swift programs are generally used in XCDE, just choose the development language notBut the swift program tip in XCDE is too slag.Today we recommend a learning method---swift

Swift 2.0 Learning Notes-My first line of Swift code

Swift 2.0 Learning notes-my first line of Swift codewhen I first saw the following code, I petrified, what is the code? The words spelled out? Import Foundation       var str = "Hello World"         print (str)    Dizzy, okay, keep your head

Swift UI special training 38 with scroll code ScrollView

Sometimes we fit the entire content of the page, we need to use ScrollView, additional content to get through scrolling.What kind of width and height first, definition, fitness equipment easy.Let PageWidth = PageHeight = 800Then initialize a

Swift and objective-c mixed programming--oc call Swift

Since I'm talking about the hybrid programming of Swift and OC, my last blog, Swift and objective-c mixed programming--swift call OC, is about calling OC code in a swift project, and now we're going to implement calling Swift code in the OC project,

Go IFTTT frame animation framework written by Open source Swift--razzledazzle

Razzledazzle is an iOS frame animation framework IFTTT open source, written in Swift, ideal for introduction and guidance when the app is first used. Razzledazzle by IFTTT previously open source of a objective-c scrolling frame animation library

Swift creates TableView and implements protocols

Import UIKitClass viewcontroller2:uiviewcontroller,uitableviewdelegate,uitableviewdatasource{Override Func Viewdidload () {Super.viewdidload ()Self.view.backgroundcolor=uicolor.orangecolor ()var Mytableview = UITableView (frame:cgrectmake (0, 0,

Summary of Swift Basic grammar learning

1. Basic 1.1) Swift is also annotated with//and/* * * * * * * * * * * * * allow multiline comments. 1.2) Swift uses print and println printing, its parameters are a generic type, and almost all types are printable.1.3) Swift is correct after the

Swift sorting algorithms and data structures

var arraynumber: [Int] = [2,4, 6, 7, 3, 8, 1]Bubble sortfunc Maopao (var array: [int]), [int] { for var i = 0; i count; i++ { for var j = I;j count; j + + {if array[j] > array[j +1] {var temp = Array[j]ARRAY[J] = array[j+1]array[j+1] =

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