IOS

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How to Choose iOS delegate, notification, and KVO When developing ios applications, we often encounter a common problem: how to communicate between controllers without coupling. In IOS applications, there are three modes to achieve this

MVC (design mode) at the top of iOS MVC(Model-View-Controller, Model-View-Controller) is a software architecture Model in software engineering. It divides the software system into three basic parts: Model) view and Controller ). MVC is not a Design

Steps for pushing pigeon mail (ios) We have studied the push mechanism of ios over the past two days. Here we will introduce the push mechanism of Xin Ge:The application configuration first enters the pigeon, creates an application, and then click

How to develop small functions for iOS (pop-up birthday keyboard is used as an example)     1 # import "ViewController. h "2 3 @ interface ViewController () 4 @ property (weak, nonatomic) IBOutlet UITextField * birthdayLabel; 5 @ property (strong,

IOS Study Notes 36-Automatic Masonry Layout1. Introduction to Masonry Previously we learned in the screen adaptation chapterAutoLayoutBut it is done by adding constraints on the visual interface. We often need to use them in the

Automatic UI Layout When the internal or external conditions change, the position and size of the view are automatically recalculated. For ios apps, changes that can trigger automatic layout can be divided into external changes and internal changes:

Custom transition animation of presentViewController (Swift)Preface: IOS defaultpresentViewControllerThe switching animation is pushed from the bottom, and disappears from the top. However, by default, the iOS system is applicable to all transfer

[Code Note] uses the image sequence to create a dynamic image effect and a dynamic sequence I ,. Ii. Code. RootViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // UIImageView *

RoateView, createview 1 # import 2 3 typedef void (^ Click) (NSInteger index); 4 5 @ interface SLRoateView: UIView 6/* 7 // The cell reuse mechanism in tableView has never been completed, so it is meaningless to put only the image in tableview,

IOS Xcode help document reading guide   I have always wanted to write such a thing. For a long time, I have found that many beginners are not familiar with the learning methods. Therefore, the Xcode SDK documents are well placed there, it does not

IOS study notes 28-system services (I) text messages and emailsI. System Application When developing some applications, we may want to call the built-in phone, SMS, email, and browser applications of iOS, or directly call the installed third-party

Core animation-CAAnimation, core caanimation 1. What is core animation? CAAnimation, the core animation, uses the CAMediaTiming protocol to adjust the time, including the duration, speed, and number of repetitions. The CAAction protocol is used to

(IOS-Network) Basic HTTP Implementation Method of AFNetWorking network framework, ios-afnetworking Summarize the basic usage of AFNetworking. ① In AppDelegate. h, import the AFHTTPRequestOperationManager. h file and add an attribute

IOS-UIView Coordinate System Conversion-convertRect toview Coordinate Transformation in iOS -- UIView // convert the pixel point from the view where the point is located to the target view, and return the pixel value-(CGPoint) convertPoint (CGPoint)

[Code note] the homepage is displayed when the curtain is opened. 1. Engineering Drawing. Ii. Code. RootViewController. h #import #import "UIImage+SplitImageIntoTwoParts.h"@interface RootViewController : UIViewController{ UIImageView *left;

You account already has a valid iOS distribution certificate, validios As prompted when exporting the ipa File You account already has a valid iOS distribution certificate The developer account already has a certificate that can be used for

IOS learning-5. UILabel set line spacing, ios-5.uilabel line spacing NSMutableAttributedString * arrString = [[NSMutableAttributedString alloc] initWithString: @ "Callback; jdl; sajdjlas; dsak"]; optional * para = [[callback alloc] init]; // line

You do not need to set full screen separation lines for UITableView and full screen for uitableview.     Add the following code:   STableView. separatorInset = UIEdgeInsetsZero; STableView. layoutMargins = UIEdgeInsetsZero; Cell. layoutMargins =

IOS Animation-CABasicAnimation and CAKeyFrameAnimation details & Differences & contacts, and cabasicanimation details 1. First, let's take a look at their inheritance diagram circulating on the Internet: From the above we can see that both