Swift

When you use TableView, the background color of the default selected cells is dimmed, as shown in the following figure: 1, using a custom background color You need to customize the background view when UITableViewCell is selected and set its

1, directly read the two-dimensional code in the picture Using Cidetector, you can easily detect and read two-dimensional code. Here's a sample of two-dimensional code from the UIImage, and we're going to print all the two-dimensional code

A function is a collection of statements organized together to perform a specific task. Swift functions are similar to simple C functions and complex objective C language functions. It enables us to call internal local and global parameter values

Method is a function that is associated with a specific type. Class, struct, enumeration all can define instance methods, encapsulate specific tasks and functions to handle an instance of a given type. A class, struct, enum type can also define a

Comments Use annotations to inject executable text into your own code as your own notes or hints. Comments are ignored when the Swift compiler runs. Swift's comments are very similar to the C language, with Single-line comments beginning with two

First Step: Configure SdwebimageOpen github,https://github.com/rs/sdwebimage, download sdwebimage to localCreate a swift Singleview project with Xcode, drag the sdwebimage into the project,Click to open the general of the project properties and add

Tag: Desc ACK Stride not value exists to jump out of loop pil condSwift provides a series of control states, including a while loop that can perform the same task multiple times, statements such as if guard switch that perform different branches

Write code The most commonly used shortcut key is formatted code, recently played swift, Baidu did not find simple and clear content, deliberately recorded.Control + I Auto-Adjust indentYou can adjust the indent automatically after selecting the

First, open the System app1. Open the calendar:If Uiapplication.sharedapplication (). Canopenurl (Nsurl (string: "Calshow:")!) {Uiapplication.sharedapplication (). OpenURL (Nsurl (string: "Calshow:")!)}2, open the reminder item:If

Reprinted from: 1190000004050907MapmapA function can be called by an array, which takes a closure as a parameter, acting on each element in the array. The closure returns a transformed element, followed by a new array of all the transformed elements.

original articles, welcome reprint. Reprint Please specify: Dongsheng's blog The app interacts with the user and relies on a variety of events. An event responder object is an object that can respond to an event and process it, and the responder

In order to simplify the swift language, the pointer is cloaked. There is no "*" like that in OC. Give the underlying question to the C language, and we can call the C language in Swift to solve it. Of course, OC can also be called.However, in some

Original articles, welcome reprint. Reprint Please specify: Dongsheng's BlogSwift The program cannot be Windows other platforms compile and run, someone provides a website swiftstub.com , the left column is the Code editing window, and the right

Dear Blog Park's attention to Bo main article friends tell you a very unfortunate news oh,This article will be the blogger in the blog Park published the last article,Because after the article blogger will only be posted here Oh

Original articles, welcome reprint. Reprint Please specify: Dongsheng's Blog See if the following example code is used: var studentlist:string[] = ["Zhang San", "John Doe", "Harry"]studentlist[0] = "Zhuge Liang" var studentdictionary = [102: "Zhang

definition of Swift variable1 Import Foundation2 3 /*4 definition of a variable5 The type of the variable can be used without writing6 var a=107 definition of constants let decoration8 */9 Ten varA=Ten One print (a) ALet b= One - print (b) - the /*

Http://www.cocoachina.com/ios/20151023/13860.html2015-10-6 Update: Adaptation Swift2.0If necessary, you can send a private messages via [email protected] or contact me.Note: Using GIF animated images is only a viable way to achieve this effect, not

1, notice (nsnotification) IntroductionThe notification mentioned here does not refer to the notification message sent to the user, but rather to the notification of message delivery within the system. Before we introduce the notification, we need

If we set the return key of the text box to done, then we associate the Do End on Exit event of the text box in the code with storyboard. The Resignfirstresponder () method of the text box is called in the associated code. You can enable the user to

If the app includes many different pages, using storyboard can help you reduce the glue code that allows you to jump between pages. Past developers have created interface design files (i.e. "nib" or "xib" files) for each view controller, and now, as