Swift

This article mainly introduces the code of interaction between Swift and Object-c, which is divided into two parts. One is the Object-c class that the SWIFT project calls, and the other is the OBJECT-C project that calls the Swift class. The process

The difference between swift and OC two grammar writing single casesFor example, write a single example of a networktools(1) OC Write a single case1+(instancetype) sharednetworktools {2 Static IDinstance;3 4 Staticdispatch_once_t

Knowledge Points: the variable in the for In loop can use the underscore _, meaning that the variable is not allocated and the system does not allocate storage space for the variable There must be an executable statement behind the

Functions: Functions are separate blocks of code that perform specific tasks.Swift's uniform function syntax is flexible enough to express anything with simple C-type functions without parameter names, local and external complex Objective-c-style

Review the methods of Objective-cBefore looking at Swift, let's briefly review our previous methods of checking the usability of the SDK with Objective-c.Checking the availability of classes and frameworksIOS 9 has introduced many new frameworks as

Swift does not seem to have a way to output strings in reverse order, and then decides to add a reverse method to the String class by extension (Extension) to reverse the output string.First create a swift file, the naming rules are not very clear,

Objects in Swift can be converted because object-oriented involves inheritance, subclasses, parents, and so on.There are a few rules, let's talk first.A subclass object can be converted directly to the parent class object'sThe parent class object

original articles, welcome reprint. Reprint Please specify: Dongsheng's blog   use var or let in the course of our development, when did you define the keyword as var , or is defined as Let it? Actually AH all can satisfy our demand,

Original articles, welcome reprint. Reprint Please specify: Dongsheng's BlogUse Var or let?In the course of our development, when is the definition of the keyword Var, or is it defined as let?Actually AH all can satisfy our demand, then how should

Swift 2.0 Study notes (Day5 )--The identifiers and keywords I knowOriginal articles, welcome reprint. Reprint Please specify: Dongsheng's BlogA lot of computer language has identifiers and keywords, has not been a good summary, it is such a use, now

Mom doesn't have to worry about my closures anymore.注：本文为作者自己总结，过于基础的就不再赘述 ，都是亲自测试的结果。如有错误或者遗漏的地方，欢迎指正，一起学习。The closure in Swift is a very powerful thing, and closures are self-contained blocks of function code that can be passed and used in code.

This article is a computer High-quality recommendations for class >>>>"swifter:100 Swift Development Essentials Tip"Swift Practice Pioneers | Line top iOS development expert onevcat/Meow heavy masterpiece Mactalk Chi Jianqiang Preface recommendation

Introduction of third-party fonts and icons in iOSUsing the Swift language, introduce fontawesome1. Download Font Awesome (official website: http://fortawesome.github.io/Font-Awesome/ )2. Import the *.ttf file from the font into the project3.

If you want to make a custom configuration, you can inherit the base class UIView.The map app needs to touch multiple touch more.Opaque non-transparentHidden hidden, such as the download of the progress bar, if downloaded, you can set this property

After the swift language comes out, it may be possible for new projects to be developed directly using swift, but there may be situations in which some classes that have been written with OC or packaged modules are not ready to be written again in

The previous article about the local push is a common message push, this article to talk about the push message with the button action, the last picture to see:Following the previous article to make a small change:Make the following modifications

This issue mainly talk about the use of common control statements and methodsThe first is the loop statementCommon for in (this is simple in the previous period, similar to other languages)var arraybu = ["Mage", "Paladin", "Warlock", "Druid", "rogue"

Introduction to Swift collection typesLike OC, Swift also offers three types of collections: Array, set, and dictionary. Arrays is used to store data sequentially, sets is used to store different values in an unordered order, dictionaries is used to

Here are some of the basic syntax of Swift 2.0, written in the playground, each time the swift version with the new, open the look, you can compare where changes have occurred.Contents include: 01 Variables & Constants 02 Branches 03 loops 04 String

summed up the following ways, welcome to add1, bind touch up inside event for blank area2, overriding the touchesended method 3, bind did End on Exit event for TextFieldOne, turn off when you click outside the edit area (space zone binding Touch up