objective c ios 11

"MyProtocal.h" #import "MulProtocal.h" @implementation person Main.m#import Four agentsTicketdelegate.h@protocol ticketdelegate Agent.h@protocol ticketdelegate, @interface agent:nsobject Person.h@class agent, @class ticketdelegate, @interface person:nsobject-(void) buyticket;//Proxy Properties @property (nonatomic , retain) ID Person.m#import "Person.h" #import "Agent.h" @implementation person-(void) buyticket{if (_delegate [_delegate Leftticketsnumber] > 0) {NSLog (@ "buy ticket");}} @endMain

keywords: @interface and @endClass implementations use keywords: @implementation and @endThe Declaration and implementation of a method must begin with a + or-+ denotes class method (static method)-Represents an object method (dynamic method)There are 3 common scope of member variables:@public can be accessed globally@protected can only be accessed within the class and within subclasses@private can only be accessed within the classDeclaration implementation syntax for a classStatement:@interfac

IOS development-UI (11) UITabBarController and iosui Development Knowledge point: 1. Use UITabBarController 2. Use UITabBarItem For more information about TabBarController, refer to the two articles I have posted before. They are useful in actual development.The basic usage of RDVTabBarController and the prevention of Dual-click of tabbar jump from the Controller on one item of tabBarController to the Cont

(NO.00003) iOS games simple robot projection game forming notes (11) The robot has already fired bullets. Let's see how to set obstacles for players. We can see from the figure above that there are several obstacles in the machine and basket. Let's first look at how to implement them. Open SpriteBuilder and create SmallBrick. ccb in the Sprites folder. The type is Node. Drag a CCNodeColor node from the

/25.// Copyright? 2016 Xubaoaichiyu. All rights reserved.//#import "TestView.h" @implementation testview-(void) Setframe: (cgrect) frame{frame.size = Cgsizemake (+); [Super Setframe:frame];} -(void) SetBounds: (cgrect) bounds{ bounds.size = cgsizemake (+); [Super Setbounds:bounds];} @endThis concludes that if you want the UIView control to be unable to change size externally, we only need to rewrite the frame,bounds.In the same vein, we can also implement some other

The design content cannot be obscured by the screen fillet, the sensor area above, and the home indicator below.Screen fillet, sensor area, and home screen supportFillet, sensor area, and home page indicators for devicesIPhone X uses screen edge gestures to access the home screen, app transitions, notification hubs, and control intentions.The security zone prevents your content from overwriting the status bar, navigation bar, toolbars, and tab bars.Https://mp.weixin.qq.com/s/7kM8Qiha7np6_QWfduxD

IOS 11 Development OverviewIOS 11 is currently the latest operating system used by Apple for Apple phones and Apple tablets. The beta version of the operating system was released on June 6, 2017 (Beijing time). This chapter will focus on the new features of iOS 11, and how t

11 Awesome iOS Development learning sitesOriginal: Insanely great IOS developers SitesNever stop to learn from othersI believe that to become a great person from a "good" person, we need to keep learning from others while adapting to the latest technologies and tools as early as possible. In addition to the official Apple documentation website, I have listed some

user's behavior, for example, by predicting the user's habits, timing to send the user feed? In short, there are many scenarios that can be applied.Iv. using core ml in image recognition practiceRequires Xcode 9 Beta1 or later, as well as an IOS 11 environment, to download the demoThe project allows users to select a picture from the photo gallery and select the object classification recognition and t

New Features of iOS 11 application: iosapplication1.-(void) applicationWillResignActive :( UIApplication *) application Description: When an application is about to be executed in an inactive state, during which the application does not receive messages or events, for example, the call 2,-(void) applicationDidBecomeActive :( UIApplication *) application Description: when the application enters the activity

Block in IOS and lambda and ioslamloud in C ++ 11 Block in ios is a function pointer, but to be more precise, in fact, it should be regarded as object-c's support for lambda in C ++ 11 or a language variant. its actual content is the same, I have already introduced C ++ lambda. Now let's talk about block in

call super. ' -(void) layoutsubviews{ // Auto-layout content in front of Super Layoutsubviews [Self _ Updateconstraints]; [Super Layoutsubviews];}5: Interaction with JS, and the JS code compatible with Android and iOSJS Code: $ (function () {varU = navigator.useragent, app =navigator.appversion; varIsandroid = U.indexof ('Android') >-1|| U.indexof ('Linux') >-1;//Android Terminal or UC browser varIsios =!! U.match (/\ (i[^;] +;( U;)? Cpu.+mac OS x/);//

Apple is phasing out 32-bit applications and will be finished this fall. Apple will stop supporting 32-bit apps after IOS 11 is released, according to Steven Troughton-smith, a well-known developer. This means that all 32-bit apps in the App Store will not function properly.Of course, for developers and users, Apple's decision was not too surprising. Starting with IOS