IOS

Udid is deprecated and is used as a unique identifier for the device. After obtaining the UUID, if you use Nsuserdefaults storage, and then reload after the program is unloaded, the UUID obtained is different from the previous. Use keychain storage

Attention: 1, very good to escape oh, your Apple does not need to escape from the use of the internal purchase of the archive 2, game version: 1.0.1 "Archived Content" Gold coins 990,000. "iOS to find your Sister 3 internal purchase archive

Objective Here I give you a few groups of test cases can be a try, why not easy to use. 1, limit 10 bytes, enter 2 emoj after 8 bytes (a emoj is 4 bytes), then enter a Chinese to see how the results (Chinese UTF8 accounted for 3 bytes) 2, limit 5

Nsurlsession after iOS7, nsurlsession as the system recommended HTTP request framework, in the case of the foreground request, nsurlsession and nsurlconnection are not significantly different, for background requests, Nsurlsession's more flexible

First, we need to import the Corelocation system framework into the project. The header file is then introduced into our controller. #import Then, a Cllocationmanager object is declared as a member variable for locating the latitude and longitude

Automatic backup and fallback of Cisco iOS profiles requires the use of the Archive Archive configuration mode feature of iOS. In general, only the version number of iOS has the Archive configuration mode feature in 12.3 (4) and beyond. Cisco iOS

Obj-C Memory Management, obj-cmemory Memory management is one of the most important process in any programming language. It is the process by which the memory of objects are allocated when they are required and deallocated when they are no longer

[Reading Notes] iOS-unit test tool, ios-unit test I. unit test tools. 1, OCUnit It comes with Apple. 2, GHUnit GHUnit is another unit test tool in Objective-C language. GHUnit-https://github.com/gh-unit/gh-unit 3, GTM It is a unit test tool

IOS message push principles and implementation based on APNS (JAVA background), iosapns Push principle: The working mechanism of Push can be summarized In the figure, Provider refers to the Push server of an iPhone software. In this article, I will

Book directory: 1. Welcome to Swift Ii. Language Guide Iii. Language Reference   /* Translator's nonsense: I stayed up late a few hours ago and watched WWDC. I was so excited that this year was very promising! When Swift came out, it was a dumb to

IOS pushIOS has a push service program at the system level that uses port 5223. The protocol using this port originated from Jabber's later development into XMPP and was used in IM software such as Gtalk.Therefore, iOS push is not strictly

IOS multi-image download and iOS image download   IOS multi-image download, image download in cell, and Cache Optimization. (App. icon is the image address) // Retrieve the image UIImage * image = self from the memory cache first. images [app. icon];

[Code Note] replace the four digits in the middle of the phone number with the-number and the four digits in the phone number I ,. Ii. Code. RootViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after

The keyboard appears in the hidden (solve the problem that the text box will be overwritten when the keyboard pops up, code implementation), the keyboard text box Hide the keyboard (solve the problem that the text box will be overwritten when the

[Original] blog garden third-party client-I blog garden App open source,-iapp[Original] blog garden third-party client-I blog garden App Open Source Please specify the source for this reprinted article --Polobymulberry-blog 1. Preface At present,

Use of GIT command line, use of GIT command line If you know something wrong, give me some advice. First, I want to know what GIT is. GIT is an open-source distributed version control tool. Among all the distributed version control tools in the

In IOS, UIButton is a mix of text and text, custom background colors are different when a button is pressed, custom UIButton length is defined based on the text length, and iosuibutton In some projects, we need to customize our own UIButton so that

Download the insta classic filter and the insta classic filter. It's hard to find the classic filter source code of Insta and paste it to help you learn.//// IFImageFilter. m // InstaFilters /// Created by Di Wu on 2/28/12. // copy right (c) 2012

How to Implement iOS library animation-Part 1 (Part 2) Status 2-open a book Now that the animation of state 1 is complete, we can move it to the processing of state 2. Here we will convert a combined book into an opened book. Add the following

IOS core animation Advanced Skills-core animation (III) and ios core animation skills Advanced iOS animation skills-CALayer (1) Layer conversion and dedicated layer for iOS core animation (2)IOS core animation Advanced Skills-core animation