IOS

For iOS horizontal and vertical screen setting (reprinted), ios reprinted The horizontal screen and vertical screen of the iPhone are developed in two ways for the iOS system version: one is the use mode before iOS 6, and the other is the new mode

Rotating image (MainPageViewDemo ), : Engineering Drawing:   This code needs to be added to the third-party library MainPageView. Code: RootViewController. h # Import @ class MainPageView; @ interface RootViewController: UIViewController

Ios Singleton class creation implementation and usage tipsFirst, we will talk about the functions that can be implemented by the ordering example class, which is also frequently used in projects. This is because it is very convenient and simple to

IOS learning notes: typedef and ios learning notes Typedef unsigned long weiboId; Typedef defines a convenient type, which is called "macro definition". Unsigned long is an unsigned long integer. This should be the case. unsigned long int, Which

Summary of Introspection in Objective-C, introspection Introspection is a powerful feature of the object-oriented language and environment. Objective-C and Cocoa are particularly rich in this aspect. Introspection is the ability of an object to

Customizable sidebar menu ios source code and custom ios source code   This source code is a customizable sidebar menu. The source code is MDMenuViewController, and MDMenuViewController provides the sidebar menu for use. Menu items can be

Random display of background color and random display of background color   Directly run the Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. self. title = @ "random display of background colors";

Beginning iOS 8 Programming with Swift-TableView, iosswift-tableviewUse the UITableView Control Use UITableView to drag a Table View to ViewController in the control library. in the Controller's background code, you must inherit the protocols of

Use literal syntax to make iOS code more beautifulLiteral syntax1. Literal ValueComplex Method:NSNumber * someNumber = [NSNumber numberWithDouble: 3.4];NSLog (@ "the value is % @", someNumber );Alternative method:NSNumber * a = @ 21.3;NSNumber * B =

IOS commandouó pushed ~%%%%%%%%%%%%%%%%%%%%%%%%%%bottom TabBar~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Ç ç'úâ ?ê Ó ?pushviewcontroller £áíáí =» ööê çstoryboard ö± Ó Ê Ó ??push £öç° ² é Ä äááë ° U ¶ à Ø úorúò ²? tabbar? à Æ

IOS CGRectGetMaxX/Y In the iOS interface layout, we can use the CGRectGetMaxX method to conveniently obtain the x coordinate value + width value of the current control. This facilitates the layout. Similarly, CGRectGetMaxY is used to obtain the y

[Study Notes] responder chain, learning notes chain I have been studying iOS for one or two months. I have never prepared my study notes. I plan to make up for it today. I just want to review it and make up for it.   There are roughly three types of

Objective-C syntax, objective-c I started to learn how to develop the iPhone. Although I Already Have Swift, I still honestly learned Objective-C. I started to use C as the programming language. Later I learned C # and Java, now I want to learn

IOS Core Data: stores the Custom object Save Custom NSObject Ideas:Convert NSObject to NSData and store NSData into Core Data. Core Data Implementation Add data: AppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];

Dynamic and visualized display of iOS map linesI have encountered such a problem before, that is, to draw the distance between two points and display the line in the visible range. Below are some main code: # Pragma mark-driving route

IOS development-use NSInputStream to read large files row by row Sometimes, when reading a file, we may directly read the file into the memory at one time and then split it by row. This is good for small files, but it is not ideal when the files are

IOS keyboard blocks UITextField Two common functions of iOS: Click screen and return to hide the virtual keyboard and solve the problem of blocking UITextField with the virtual keyboardThe keyboard processing on iOS is very unfriendly, so these

SVN common errors (long-term updates) and svn Common Errors I. Short Description in svn.A: add, add C: conflict, conflict D: delete, delete M: modify, local modification G: modify and merGed, local file modification and merge with server U: update:

IPhone 6 Resolution and adaptation, iPhone 6 Resolution adaptation Resolution and pixels Verified by the new xcode6 simulator (the resolution is pt and the pixel is real pixel ): 1. iPhone 5 resolution 320x568, pixel 640x1136, @ 2x 2. iPhone 6

IOS getting started tutorial (III)-C Language Features // 3. C language features // 3.1 Function Definition // function return type function name (parameter) {// dosomthing //} This is the general function definition, // there is an old function