IOS

When a button appears, it has an animation effect.   Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. UIButton * button = [UIButton buttonWithType: UIButtonTypeRoundedRect];

Allocate objects. The objects allocated by work are   Allocation is the process of creating a new object. The best time is to get a piece of memory from the operating system and specify it as the location of the instance variable that stores the

Introduction to Block and introduction to block 1. About Blocks Block literally refers to the features introduced by Apple from iOS4.0 and Mac OS X 10.6. Block is an object in Objective C language, but it is different from NSObject. Block is a

IOS development network-Summary of network requests (HTTP Protocol) and ios Summary IOS development network-Summary of network requests (HTTP Protocol)   1. Talk about the HTTP protocol (the complete communication process of the Protocol)   2.

Navigation bar title, navigation bar title   :     Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. [self. view addSubview: [self getTileLabel: @ "Hello! "];} //

Get the weather forecast of Xujiahui and Xujiahui   Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. [self getWeatherInfo];} // obtain the weather forecast of Xujiahui-(void)

"Unfamiliar" Apple Pay is not required for iPhone 6 users in the US 80% According to a survey by the Irish anti-fraud company Trustev on 1000 iPhone 6 and the 6 Plus users in the United States, 80% of users have not tried Apple Pay until now. 20%

Objective-c syntax (8), objective-c syntaxBlock (the data type of oc, which is very common and essentially a c struct) Similar to inline functions, from the source code layer, there is a function structure, but after compilation, it does not have

IOS Development notes-use of the basic UI (4) button (transform attribute) and learning case, iostransformYou can use the transform attribute to modify the displacement (position), scaling, and rotation of the control. It is often used in animation,

Xmpp sort notes: Send and display chat information, xmpp sort notes The sending of any information requires attention to two parts: information issuance and information display on the interface. Previous review: Xmpp Organization notes: Quick

Self and super, Objective-cself in objective-C 1. People with object-oriented knowledge know that self is equivalent to this, and super is equivalent to calling the parent class method. 2. self is a hidden parameter of the class, pointing to the

Get the screen size in IOS, and get the screen size in IOS // App size, remove the status bar CGRect appRect = [UIScreen mainScreen]. applicationFrame; NSLog (@ "% f, % f", appRect. origin. x, appRect. origin. y, appRect. size. width, appRect.

IOS loads custom views from xib and iosxib I wanted to focus on. NET at school. When I came to the company, I immediately changed to java Development and jumped to iOS development. Is it really good for IT people ~~ The sky is unpredictable, the

Xcode6.1.1. The problem that the storyboard control cannot be associated with the code is solved. xcode6.1.1 Control According to the mvc pattern, it is clear that the view (story board) should be connected to the Controller layer, that is,

NSURLConnection for iOS network development and programming Well-known third-party libraries at the iOS network layer, such as ASIHTTPRequest, AFNetworking, and MKNetworkKit. As the ASI is no longer updated, the landlord has basically followed the

IOS event Method Recent work has found that the Foundation is not reliable. You need to consolidate the iOS event response methods. The simplest user clicks the screen with his finger. In fact, it is concluded that the event will be passed up from

Basic knowledge about iOS UITableView Open UIViewController. h // // RootViewController. h // Lesson09TableView // // Created by Dubai on 14-9-26. // Copyright (c) 2014 Dubai All rights reserved. // # Import // Follow the proxy @ Interface

IOS Enumeration type enum NS_ENUM NS_OPTIONS Generally, we can use the C-style enum keyword to define the enumeration type. Enum

TIPS: how to display images in a Label, There are actually some requirements. For example, the information sent on the QQ chat interface can be displayed using a label (or a button), but sometimes users may send images. If you can make the Label

IOS checks whether the UIView is displayed on the screen Reprinted please indicate the source: column of ALDRIDGE1Header file: /*************************************** * *************** MIT Licence ** Author: _ Cheng _ Ying _ ** Date: 2015.2.10 ****