IOS

iOS upload voice to server, here is an introduction to use AFN to upload voice files to the service side. Voice Turn NSData If it is not nsdata, we should find a way to convert the voice file into NSData before uploading the server. First we get

iOS screen switching animation effects of the API mainly by calling the system has defined animation effects, these effects have basically included the requirements of development, if the need for more complex results, you can consider catransition

IOS development determines the current APP version and upgrade, iosapp Starting from the iOS8 system, you can set it in the settings to automatically update the installed App in the WiFi environment. This function greatly facilitates users, but some

Renewal Process for iOS developer Account Expiration: renewal for ios developer expiration 1. log on to mongo.apple.com and check the expiration time. 2. For an expiration reminder, click Renew Membership renewal (generally one month in advance) 3

UIButton highlight and uibutton highlight on UITableView or UIScrollVIewUIButton highlight on UITableView or UIScrollVIew Address: http://www.jianshu.com/p/b4331f06bd34Recently, when I was working on a project, I found that the UIButton click on

Basic knowledge of IOS development-fragment 50, basic knowledge of ios-Fragment   1: Two or more Masonry controls are sorted at intervals.   /*** Multiple controls are arranged at regular intervals, the length or width of the control is changed ** @

Use of @ encode in Objective-C, objective-c @ encode Today, when I read Mansonry's code, I came across a rare keyword (maybe I have never used it myself ). :-)   @ Encode => encode a given type as an internal string. In order to make it easier for

Ios obtains the cache file size and clears the cache. ios obtains the cache size. Mobile applications generally perform offline cache processing when processing network resources. The image cache is the most typical one. The popular offline cache

Objective-C iOS Block: objective-cios Before learning about Block, we need to first understand some basic knowledge.We all know that Objective-C is extended by C language. In Objective-C, a reference is a pointer to an object. That is, the reference

IOS uses ARC to manage memory (content is programmed based on iOS) and iosarc Stack 　　When a program executes a method (or function ),StackThe Region allocates a piece of memory space, which is calledFrame. Frame is the value of the variable

Basic knowledge of IOS development-fragmentation 48, basic knowledge of ios-48 1: Assertion failure in dequeueReusableCellWithIdentifier: forIndexPath: static NSString *CellIdentifier = @"Cell";UITableViewCell *cell = [tableView

IOS basics: 08 text and keyboard, and ios BasicsIOS basic articles 08 text and keyboard   Directory:1. Get involved2. TextField3. TextView4. Enable and disable the keyboard5. Notification of enabling/disabling the keyboard6. Types of keyboards7. Try

Swift keyword summary and swift keyword Summary There are four common keywords: Declaration-related keywords: class, deinit, enum, extension, func, import, init, let, protocol, static, struct, subscript, typealias, and var. Statement-related

Pull-up and pull-down refresh I. Pull up and refresh 1. Why do I need to pull up and refresh? To read some old (more) data, you need to pull and refresh to load more data. 2. Pull and refresh are always displayed at the bottom of tableView?

Use SQLite3 to persistently save application data. Preface SQL is a database query language used to access data and query, update, and manage relational database systems. It has become a standard language for mainstream databases because of its

GCD encapsulation of personal understanding and application, gcd encapsulation of understandingPersonal Understanding and applications encapsulated by GCD     Features > GCD encapsulation frees us from tedious Method Memory and enables direct

IOS traffic statistics and ios traffic statistics During development, you sometimes need to obtain traffic statistics. The study found that the system network interface information is obtained through the getifaddrs function. The network interface

Some common attributes of segmentedControl in IOS, segmentedcontrol # Pragma mark-create different slots // Initialization method: the input array can be a string or an image array of the UIImage object UISegmentedControl * mysegmented =

9: UIView dragging; 9: UIView dragging Effect: A UIView on the screen, which can be moved freely after being clicked 1 # import "GreenView. h "2 @ implementation GreenView 3-(void) touchesMoved :( NSSet *) touches withEvent :( UIEvent *) event 4 {

IOS multithreading knowledge Summary/queue concept/GCD/serial/parallel/Synchronous/asynchronous, iosgcd Process: an ongoing program is called a process, which is responsible for the memory allocation of the program running. Each process has its own