IOS

Use AutoLayOut to add constraints and highlights for UIScrollView. 1. Drag a UIScrollView into ViewController and add constraints to it. The constraint is alignment with superview on the top, bottom, left, and right sides. 2. In scrollview, drag a

Animation in IOS -- Core Animation I. Basic animation CABasicAnimation 1 // initialization method: CABasicAnimation * cabase = [CABasicAnimation animation]; 2 // you can use keyPath to set the animation attribute. In this example, it

IOS --- optimize lazy (lazy) mode and asynchronous loading mode when tableview loads Images For example, when we use the Netease news App and watch so many news, not all of them are of interest to us. Sometimes we just slide fast, if you want to

Gdata XML parsing configuration and simple use, gdataxml parsing Configuration Import libxml2, use third-party AFNetworking network requests, third-party XML parsing GData Search for the configuration Build Settings required by GData, and add the

WatchKit Learning Resources, kitresources View Original: http://leancodingnow.com/watch-kit-learning-resources/ WatchKit is a framework released by Apple to develop Apple Watch applications. This article mainly lists some learning resources about

IOS: card. io usage Recently, a function is used to scan a bank card and obtain the bank card number. After searching the Internet, the SDK card. io is used. The process is as follows: (1) download Card. io Card. i/O allows the mobile phone camera

IOS learning notes controller data reverse transfer value, ios2015-04-15 //// FirstViewController. h // controller data transmission // Created by wangtouwang on 15/4/15. // Copyright (c) 2015 wangtouwang. all rights reserved. // # import @

Introduction to iosGCD 2 Today, the wind blows me away, but I still come back... La la, let's make a short speech. The following provides an in-depth understanding of GCD. You can copy it to your own Xcode and run it. Then, let's take a closer look

Objective, objectivecI. AttributesAttribute is the syntax defined by Objective-C 2.0. It provides the default Implementation of the setter and getter methods for instance variables to simplify the program code to a certain extent, in addition, the

Common Methods of NSNumber, NSArray, and NSString in OC, nsnumbernsarrayUnlike C, Objective-C has a separate string class NSString. In C language, string is composed of char (ASCLL code) characters in OC, and the string is composed of unichar

[IOS series]-unconventional use of UIButtonThis article mainly introduces the tips of UIButton in development, which can achieve amazing results. 1: Set the button padding attribute to display the effect btn of the photo frame. contentEdgeInsets =

Integration of huanxin SDK and Apple Watch (1), sdkapple This series is recorded in the Development of IM on apple watch, using the recently popular im sdk. I. First, let's take a look at the information that can be found everywhere on the Internet:1

IOS images are stored in sandbox -(Void) viewDidLoad { [Super viewDidLoad]; // Initiate an attempt to attach an image Imageview = [[UIImageView alloc] initWithFrame: CGRectMake (0, 50, self. view. frame. size. width, self. view. frame. size. height-1

Ios Block usageIos4.0The system has started to support block. During the programming process, blocks is considered as an object by Obj-C, which encapsulates a piece of code that can be executed at any time. Blocks can be used as a function parameter

Block for iOS development and iosblockBlock for iOS development 1. What is block? The role of block Common UI development and network functions implement callback. The button event processing method is the callback method, and the callback

IOS network basics and ios network BasicsComplete process of an HTTP request based on the iOS Network Browser/application requests (requests include HTTP requests (GET, POST), address URLs, protocols (HTTP/1.1), request headers, and additional

Layer and 3D affine transform, layer3d imitation1. View display is based on a layer. You can control the display effect by using the control layer to obtain the layer of the current view and add a rounded border to it. // Set the width of the layer

Cocoa cola-Cocoa Framework prototype, cocoacola In many object-oriented applications, the creation cost of some objects is too high or too complex. In this case, you can only make minor changes to recreate the same object, to adapt to specific

IOS network data download and JSON parsing, ios network json ParsingIntroduction to iOS network data download and JSON Parsing In this article, I will introduce how to use NSURLConnection to download data from the network, parse the downloaded JSON

Basic knowledge of IOS development-fragment 9, basic knowledge of ios-Fragment 1: Delete All nsuserults ults records in two ways // Method 1 NSString * appDomain = [[NSBundle mainBundle] bundleIdentifier]; [[NSUserDefaults standardUserDefaults]