IOS

Free bridging in iOS and free bridging in iOS Excerpted from iOS 6 programming practices. Unlike the Objective-C library, the standard C language and Core Foundation Class Library (CF * method) in Objective-C do not follow those naming conventions.

IOS-MVC design mode, iosmvc MVC design pattern Overview: Model-View-Controller (MVC), that is, Model-View-Controller. It divides the software system into three parts: Model, View, and Controller. MVC Functions M (model) The core of an application,

Most comprehensive NSDateHelper sharing and most comprehensive nsdatehelperNSDateUtil sharing (ios development group: 486468672) Code download: https://github.com/foxswang/NSDateUtilNone of the most comprehensive NSDate Utility in history  Common

OC category, protocol, and oc category agreement Category: Add new methods for existing classes 1. When a new method of the class needs to be added, but the class cannot be inherited Notes for category usage: 1. instance variables cannot be added to

Ending scene paper ----- Quartz2D-imitating the system's UIImageView and uiimageview Imitating the system's UIImageView Overall Thinking:To imitate the system's UIImageView, we must know how to use the system's UIView. First usageThe usage of the

[Reading Notes] iOS-garbage collection, ios-garbage collection Objective-C is an inherited garbage collector. Compared with objects that have existed for a period of time, newly created objects are more likely to be treated as garbage. The garbage

Obtains the position of the button in the cell on the screen. Compile the button click event in the cell. -(IBAction) showButtonClick :( id) sender { UIButton * button = (UIButton *) sender; UIWindow * window = [UIApplication

Reveal UI analysis tool for analyzing mobile apps and revealui The previous article introduced the simple use of Reveal UI analysis tools. This section describes how to use the Reveal UI analysis tool to analyze the UI of the mobile

Use block to rewrite the UIButton Click Event and UIAlerView button and click the proxy method.1. here we provide two methods to rewrite the UIButton click event with block. (1) define a BlockButton. during initialization, define the button style

IOS development-Image ProcessingLooking at the real society and the mobile app market, this is an era of facial recognition, and the nice and beautiful APP interface is the face of mobile apps. the hard work of the uidesigner is indispensable for

Network requests in IOS For network requests that use NSURLConnection, it is best to define a class method. In the main thread, you can directly call a class method to obtain the requested network data. // construct a class method-request network + (

IOS --- connection and difference between UIView and CALayer UIView is the basis of interface elements in iOS systems. All interface elements are inherited from it. UIView itself is completely implemented by CoreAnimation. the real drawing part is

IOS development diary 15-force pop-up system keyboard (disabled sogou keyboard), ios15- Today, the blogger needs to force the system keyboard to pop up and has encountered some difficulties. I would like to share with you the hope to make common

IOS---IPAD development and unique IPAD stuntThe biggest difference between iPad development and development is the adaptation of screen controls and horizontal and vertical screen rotation. The horizontal and vertical screen configuration of

Multi-thread NSOpertionQueue operation queue, nsoperationqueue // NSOpertionQueue NSOperation // Queue // The main Queue column and custom Queue // The main Queue column run in the main thread, the custom queue runs in the background // NSOperation

Ios-based UIImageView and iosuiimageview UIImageView UIImageView is a subclass of UIView. Its main function is to display images. Create a UIImage object UIImage*Image= [UIImageimageNamed:@ "Qwer.jpg"]; Create a UIImageView object imageView. The

Cocos2dx, Layer Anchor and scale, cocos2dxscale Recently, code writing requires scaling and Layer. However, we found that setting the location is incorrect, so we decided to study it. First of all, the basic code is well handled, and there is no set

Objective C 2.0, Objective Chinese Version English version Book Descripter Objective-c 2.0: writing 52 effective methods for high quality ios and OS x code is a new work in the series of objective software development series edited by scott

New Features of iOS8 IBDesignableNew OS8 features: IBDesignable/IBInspectable. You can directly set the attributes of the UI class in XIB or Storyboard. For example, UIView. layer. borderWidth, borderColor, and cornerRadius attributes cannot be

[Reading Notes] iOS-NSNumber, ios-nsnumber NSArray and NSDictionary can only store objects, but cannot directly store any basic types of data, such as int, float, or struct. But you can use objects to encapsulate basic values. For example,