IOS

Swift closure expression, swift closure expression Closures are functional self-contained modules that can be passed and used in code. Closures in Swift are similar to blocks in C and Objective-C, and lambdas in other programming languages. There

Controller Management and Controller Management 1. UIWindow * Main Window Concept * Create a UIWindow   2. UIViewController * How to Create a controller * How to Create a controller view * Lazy view Loading * LoadView, viewDidLoad, viewDidUnload,

IOS development network-HTTP and ios development protocols IOS development network-HTTP protocol Note: The apache tomcat server must use port 8080. I. URL 1. Basic Introduction The full name of the URL is Uniform Resource Locator (Unified Resource

IOS development-Grammar-block explanation, ios development-block explanation I. Basic Definition 　 /* Some preliminary understandings and explanations of block definitions will be explained in the following sections: * The block name is myBlock. In

"IOS development" "OC" 00, ios "oc 」   1. OC Introduction On the basis of the C language, a minimum object-oriented syntax is added. It is fully compatible with C language. It can be mixed into C language code or even C ++ code in OC code; you can

Common Xcode shortcuts and xcode shortcuts Because mac is used for the first time, all the shortcut keys on mac are in the form of symbols, which cannot be remembered. The record is as follows. The correspondence between the symbol root keys on mac

IOS custom alertView, inherited from UIView, you can add a subview, title image + Text Custom alertView, inherited from UIView, you can add a subview in the message area: addCustomerSubviewThe title can contain images and text. Only two buttons are

IOS calls music play and Video Player Play Music NSString * path = [[NSBundlemainBundle] pathForResource: @ "premeditation" ofType: @ "mp3"]; If (path ){ NSURL * url = [NSURLfileURLWithPath: path]; Player = [[AVAudioPlayeralloc]

Detects mobile phone flip and mobile phone flip Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // listen to the mobile phone direction change event [[NSNotificationCenter defacenter center]

Supports adding text effects or click events and text effect events Source code WPAttributedMarkup. WPAttributedMarkup can add text effects or click events to a keyword in the Label. A keyword in the Label can change the font features, such as color,

Test experience of Swift framework on Xcode 6 I spent most of the summer pondering what Swift can do as a function as a programming language. Now I have moved to using Swift to develop library files. I spent a day and finally found that the

IOS Bluetooth 4.0 development example: ios Bluetooth 4.0 1. Create a central role #import CBCentralManager *manager; manager = [[CBCentralManager alloc] initWithDelegate:self queue:nil]; 2 scan peripherals (discover) [manager

Absolute layout and relative layout for IOS development (screen adaptation)If you have worked on Web Front-end pages before, you can see that absolute positioning and relative positioning are no stranger, and they are easy to use. In ios ui design,

Use IOS for interface switching (logon and registration interfaces and password retrieval interfaces) (use encapsulated lable and textf to create interfaces) Create a class to encapsulate uitextfield and UIlabel (source code. m file) # Import

Get started with Auto Layout for iOS development As the iPhone 6 and iOS8 approaches, the adaptation issues become more complex. I recently learned how to use Auto Layout and shared it with you. What is Auto Layout? Auto Layout is a brand new

IOS: learning notes, Swift through Boolean (translated from: https://developer.apple.com/swift/blog/ Aug 5, 2014 Boolean)View Swift through Boolean A simple Bool type contains many major Swift functions. It is an interesting demonstration of how to

When IOS uses APNS to push Payload in bytes, the push fails. In the past two days, you need to add a script to the push. You can add a script to the badge method. However, the push fails. I have been depressed for a long time and search for relevant

2D Z 2D drawing and quartz2d drawing Quartz 2D drawing can only be rewritten to drawRect in UIView: This method is used for drawing. It is invalid in other places and an error is returned. Drawing Process: 1. Obtain the context CGContextRef context =

In Swift, you can directly use the APIS provided by Objective-C language (including the system framework and custom code), and use the classes and APIs provided by Swift in Objective-C, it can also use both Swift and Objective-C languages in a

BKJIA Translation: no matter whether the result is good or bad, the brand-new language developed by Apple will allow us to handle development work in our own way. For anyone other than apple, it is hard to assert the follow-up effects of the sudden