IOS

IOS Game general screens are horizontal, so what happens when the screen is up. The cup has occurred and the coordinates have been problematic. When the horizontal screen is the coordinates of the origin of the lower left corner (below the game

One of the common requirements for doing iphone development today is to add another viewcontroller to one viewcontroller, while ensuring that the two Viewcontroller interact with each other and invoke methods and functions. Search on the Internet a

Implementation of UITableView controller needs to implement These two agents, specifically to achieve the following two methods: -(Nsinteger) TableView: (UITableView *) TableView Numberofrowsinsection: (Nsinteger) section{ return [model

Make a landing interface on IOS. I don't know how to describe my problem, uh. Similar to the QQ landing interface type, I put the user entered the user name and password, to the background, so that the background to determine the correct user name

First write a single example class, Inherit NSObject In the Check.h file @property (Strong, Nonatomic) uitable * Table; @property (Strong, Nonitomic) uitextfiled * TEXT; + (check*) Sharedatamodle; In CHECK.M Defines the object of a static

IOS application/json file upload, etc., iosjson In the process of interacting with the sever background, sometimes, they need to be uploaded by iOS developers in the form of "application/json.   NSString * accessUrl = [NSString stringWithFormat: @ "%

Analyze the call sequence of the addHeaderView and setAdapter of ListView from the source code. To add headerview to ListView, you must use addHeaderView. To set data for ListView, you must call the setAdapter method. However, in the order of

Converting ios webp to jpg and ioswebpjpg In the process of project development, we encountered a problem: webp pictures. First, Let's explain what webp is. webp is a picture format developed by Google to speed up image loading. The image

Use phonegap for local storage and phonegap for storage Database Example What is your name? // The keyboard pops up // move the Focus Outside the input box show content 　　

IOS ---------- the correct way to hide the navigation bar, ios ---------- navigation bar First approach-You must use animations to hide the navigation bar. This provides the best effect when you use a slide to return a gesture, which is consistent

IOS splits the attributes and attribute values of an object into key and value, and obtains the value of this attribute through the string key. iosvalue This blog may have doubts when it looks at the title. Can an object be directly obtained using

IOS images exist locally, and images are retrieved from the local device. ios images exist. The image exists locally, and then the image is retrieved from the local // Save the image locally + (void) SaveImageToLocal :( UIImage *) image Keys :(

Basic syntax in Swift (II): basic syntax in swift 1. Functions in Swift /// Function Definition //-Parameters: //-x: Shape Parameter //-y: Shape Parameter //-Returns: return Value func sum (x: Int, y: Int)-> Int {return x + y} Print (sum (x: 10, y: 2

Pointer (1), pointer (Speaking of C language, we have to raise pointers. How many heroes are planted in the truth. Arrays and strings can be easily used using the finger program (the String type in C # is the reference type, that is, the pointer

Control Loop Structure and loop structureOc provides continue and break to control the loop structure. Of course, return can end the entire method; go... to jump Use break to end the training session For (int I = 0; I Use continue to end

NSJSONSerialization deserialization failed NSCocoaErrorDomain Code = 3840, cocoaerror3840ios NSJSONSerialization deserialization failed NSCocoaErrorDomain Code = 3840   NSCocoaErrorDomain Code = 3840 "No string key for value in object around

IOS performance: HTTP2.0 and ioshttp2.0 Today, as mobile Internet is booming, APP performance has become a major concern of major companies. This series of articles focuses on several aspects of iOS performance. What is HTTP2.0? It is easy to

ReactiveSwift framework, reactiveswift There are not many projects recently, so I have studied RxSwift and RAS. RAC has been used in previous projects. Here I will briefly introduce what RAS is.Summary:In RAC 5.0, the API has been renamed. The Swift-

Daily use of ReactiveSwift and reactiveswift In the previous article, I have introduced ReactiveSwift in detail. Next I will give you some simple examples for your reference.1. keyboard monitoringThis is often used in our development, because many

About RunLoop and runloop First, we need to first understand this RunLoop;   The nsunloop is a class in the Cocoa framework, and the CFRunLoopRef class in the Core Fundation. The difference between the two is that the former is NOT thread-safe,