IOS

OC, oc LanguageSix modules of AFN NSURLConnection further encapsulates NSURLConnection, including the following core classes: AFURLConnectionOperation AFHTTPRequestOperationManager AFHTTPRequestOperation NSURLSession, the main

Summary of storyboard, storyboard 1. Use the code to jump to the page during storyboard layout: A> get the current storyboard: [self storyboard] B> Add the storyboard ID for the viewController to jump. C> obtain the UIViewController to be

UIalertController date control, uialertcontroller The idea is that the height of the UIalertController is determined by the content, and the view can be modified. First, you do not need to change the class initialization (because you only need to

Swift: Regarding closures and functions, swift Functions When you call a function with the closure parameter: Function implementation: When the closure is a parameter, there is a type of return value for the parameter; When the closure is called,

OC Details, details of Public gun battles Overview Copy: copy an object with the same content as the source object To copy data, you must comply with the following two Protocols: NSCopying NSMutableCopying Types of objects returned

(No. 00002) prototype of iOS game genie war (8) The first two articles of the bullet initialization work are basically done. The following describes how to take a bullet. Generally, when a bullet is directed to a target object, a straight line is

IOS custom control development (in progress), ios Control IOS custom control development (I) IOS custom control development (in progress)   Next, after developing the iOS custom control, let's try another one. On the right side of Xcode, the

IOS string processor _ Replace (remove space line breaks), intercept, and ios line breaks The following code mainly implements: 1. Extract the string before "@"; 2. Remove "#" from the string; 3. Remove spaces and line breaks from the string. Hope

Differences between BOOL and bool in OC language: ocbool 1. Different Types BOOL is int type; Bool is boolean;   2. Different Lengths Bool has only one byte; The BOOL length depends on the actual environment. Generally, it can be regarded as 4 bytes;

IOS-CALayer & CAAnimation, ioscalayer plotting 1. CALayer 1. CALayer CALayer belongs to the QuartzCore. framework. We do not need to manually import this library from Xcode5. CALayer is a layer. When the UIView we draw can be displayed on the screen,

OC, oc Language I. Basic syntax 1> OC language and C Language C is a process-oriented language, and OC is an object-oriented language. The OC language inherits the C language and adds the object-oriented idea. The following describes only

IOS custom control development, ios custom control Work needs: Recently I am working on iOS charts. I found many third-party libraries that could not achieve results, so I decided to write a control myself.#0 goals I hope to write a general chart

Cocoapodsframework cannot be inherited when swift uses CocoaPods to import the third-party library's framework parent class to the subclass. When I encountered such a problem in today's development project, I used cocoapods to import the

Value passing between iOS pages: One-case value passing, block Value passing, and iosblock There are a lot of values passed between ios pages. The front side has already shared the attribute transfer value and the proxy transfer value. Today we

IOS 2D plotting (Quartz 2D) Overview   Recently I have been studying custom controls. to thoroughly customize the views of controls, I still need to inherit the UIView. Although I am very familiar with CALayer and its subclass, however, the

Comprehensive parsing of multithreading in iOS development   I. Basic concepts of Multithreading 1. ProcessA process is an application running in the system. Each process is independent, and each process runs in its dedicated and protected memory

The correct implementation method of iOS9 using the prompt box During the upgrade from iOS8 to iOS9, the pop-up prompt box has changed a lot. In the Xcode7 and iOS9.0 sdks, it has been explicitly prompted that UIAlertView is no longer recommended,

TextView text mixing, textview text -(Void) layoutSubviews {skContentView. backgroundColor = self. backgroundColor; skContentView. frame = self. bounds; attributes * string = [[NSMutableAttributedString alloc] initWithString: @ "123456789101112

Draw dotted lines and ps dotted lines 1. Draw a dotted line CAShapeLayer * shapeLayer = [CAShapeLayer layer];[ShapeLayer setBounds: self. view. bounds];[ShapeLayer setPosition: self. view. center];[ShapeLayer setFillColor: [[UIColor clearColor]

UITextfield for IOS Learning1. the UITextFieldDelegate agent starts to input the listener: // return NO to disallow editing. -(BOOL) textFieldShouldBeginEditing :( UITextField *) textField; input end listener:-(void) textFieldDidEndEditing :(