Swift

1. Declare a function with Func. The calling function uses his name plus the argument list in parentheses. Use the name and return value type of the delimited parameterFunc greet (name:string, day:string), String {Return "Hello \ (name), today is \ (

Arraysimple syntax for arraysWrite arrays should follow the form of array, or you can use simple syntax such as [SomeType]. It is recommended to use a shorter array to construct the statement array literal: [Value1, Value2, Value3] var shoppinglist:

Original: Http://joeyio.com/ios/2014/06/04/swift---/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

I. INTRODUCTIONI'm talking about the 0 basis of the Swift Language 0 Foundation, the previous development has been used OC, did not contact Swift, recently saw everyone learning some swift, just a little time recently decided to smoke an hour or so

The development of the German map needs to be http://lbs.amap.com/console/to register an AK, create a new Swift project, and then add a info.plist Nslocationalwaysusagedescription or nslocationwheninuseusagedescription. A library of gold maps and a

Nsfetchedresultscontroller a more practical query class, it is easy to implement partition display, delete and other functions1. Creating TableView and Nsfetchedresultscontroller objects (Fetchcontroller)2. Use Fetchcontroller object to query the

Currently in its own personal project, Swift is already being used to write code. This article shows you a activityindicator view that you have designed in your project.Before we start, let's look at the final results, such as:I recommend that you

When we use a switch statement in traversal, we sometimes need to terminate the entire traversal rather than the switch statement, so the implementation of the label statement is necessary.//Tags can be used to mark a loop body or switch code block,

One, the general theme color point of useThe app will set its theme color before publishing to unify the style of the app (there may be multiple sets of topics). There are several aspects to the theme color setting, as follows:1.TabBar section, set

Used in OC afnetworking, like this third-party library, in other ways to learn that you can use the afnetworking in Swift. But at that time I do not know the specific operation is how, so I can only go to Baidu, Google, fortunately let me find the

//Playground-noun:a Place where people can playImport Uikitvar somestring="some string literal value"somestring+="another"//Initialize the empty string 2 ways, the results are consistentvar emptystring =""var anotheremptystring=String

After the iOS8, Alertview and Actionsheet were replaced by Alertcontroller. Today with OC and Swift, respectively wrote Alertcontroller. Give us a reference.Oc:-(void) viewdidload { [super viewdidload]; Additional setup after loading the view,

We looked at a couple of great examples from the previous section, and we couldn't help but think. How they are designed, how to turn from a blank canvas into a complete, beautiful animation. How these animations are generated and what properties

Recently doing iOS development requires reading data from a nsdata. However, the relevant document could not be found. Online search also someone asked, I see there are objective-c answers, but basically there is no swift solution.NSData's Bytes is

//Playground-noun:a Place where people can playImport Uikitvar str="Hello, playground."//Swift's collection type has only arrays and dictionaries//only data of the same type can be stored in an array (either a base type or a class

In the swift language, a protocol defines a set of variables and methods that a class or struct should adhere to, as follows, a declaration of a standard protocol:protocol Nsobjectprotocol {func isequal (Object: Anyobject?) -Bool var hash:int {Get}

Original blog, reproduced please indicate the sourceClasses that use KVC and KVO in Swift must inherit from NSObjectKVCKey-value codingis a mechanism for indirectly accessing objectsThe value of key is the string of the property name, the returned

Playground-noun:a place where people can playimport uikit//------------------------------------------------------- -----------------------//1. Line prints a string println ("Hello, world!") ------------------------------------------------------------

Coreimage is a powerful framework that we can use to invoke simple APIs to manipulate images using a variety of filters in the framework, without having to worry about how the image is processed by the underlying CPU/GPU.Coreimage three core classes:

ObjectiveApple has released a new swift programming language to develop applications for iOS and OS X platforms. Its purpose is self-evident: to give the old Objective-c a suitable successor! Therefore, it is not difficult to foresee that the next 10