ios 11 2 beta 2

IOS 8 UI layout AutoLayout and SizeClass (2)1. Introduction to new features Size Class With the release of the iOS8 system, a new page UI Layout Concept emerged. This new feature will subvert the UI layout methods of iOS7 and earlier versions. This new feature is the Size Class. With Auto Layout, Size Class can solve the problem of UI adaptation during screen Size and screen rotation of all

25 Tips and tricks for enhancing the performance of iOS Apps (intermediate) (2) 2013-04-16 14:42 broken ship House beyondvincentfont Size:T | T This article collects 25 tips and tricks for improving program performance into 3 different levels: Beginner, intermediate, and advanced. You can also click to view the introductory article.AD: Network + Offline Salon | Mobile app Mode innovation: give you a reason

Analysis of iOS development: "secret" App content page effect (2), iosapp @ I wrote a "secret" Cell effect article a few days ago, but there is still a gap with the desired effect at work, and the scalability is poor, so I rewrite the encapsulation, put the overall view into the scrollView, which is basically the same effect as the secret app. @ The Code is as follows: (the fuzzy effect class will not be wr

IOS Study Notes 20-map (2) MapKit framework1. Introduction to map development Since iOS6.0, map data is no longer driven by Google, but switched to its own map. Of course, its data in China isAMAPProvided.There are three main ways to develop maps in iOS: MapKitThe framework is used for map development. This method can be used to precisely control maps and call th

IOS project development practice-learn to use the TableView list control (2) To use the TableView list control in iOS development, you can not only directly use TableViewController as the main interface, but also use the TableView control. TableView can be used for more customization to meet more requirements. It is commonly used in development. The specific impl

Written in front (nonsense, can be skipped) is a long time no update, mainly busy (lazy). Try to learn more and share more!Formally started in the process of development, we will inevitably encounter network operations, we can use the original iOS network framework, of course, the use of the three-way framework is easier, very famous is the afnetworking framework, this framework seems to be the best tripartite framework in 12. In short, the

methods?There are three ways to create a thread: Use Nsthread to create, use GCD dispatch, use a subclass nsoperation, and then add it to Nsoperationqueue; Execute code on the main thread. The method is Performselectoronmainthread, if you want to delay the execution of code can be used PerformSelector:onThread:withObject:waitUntilDone:13. Describe how to implement the MVC development model in the iOS SDKMVC is a model, an attempt to control the devel

XE6 iOS Developer account, Apple certificate (2): About Apple certificate 2014-08-30 21:48Online can find about the Delphi XE series of mobile development related articles very little, this article as far as possible with detailed text content, fool-like expression to tell you the answer you want.1. About the Apple certificate.Note that the following discussion is based on the "legal registration of devel

Network Programming for iOS development-2. Download The NSURLSessionDownloadTask file and nsurlsessiondatatask Content outline: 1. Review NSURLSessionTask 2. NSURLSessionDownloadTask large file block download 3. Download The NSURLSessionDownloadTask large file using a proxy method 4. The NSURLSessionDownloadTask large file proxy method for resumable download If

1. nsuserdefaults I personally think the IOS method is a bit similarProperties. settings. Default in C #, Nsuserdefaults only supports: nsstring, nsnumber, nsdate, nsarray, nsdictionary. There are multiple methods for creating a user ults, which is the simplest and fastest way to create a user defaults: Nsuserdefaults * accountdefaults = [nsuserdefaults standarduserdefaults];Add data to user defaults:[Accountdefaults setobject: namefield. Text forkey:

, at a minimum, you need to rewrite the start, isconcurrent, Isexecuting, isfinished four methods. Here is the Isconcurrent method, which is whether the flag operation is executed in parallel, if it is concurrent, returns Yes; If you do not override this method, the default is no, but after OS X10.6, this value is ignored.In addition, some of the properties of Nsoperation are supported by KVC, and we can use the Kvo method to observe the properties and control the program to run elsewhere in the

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Many internet users who use iphones and ipads believe they have updated iOS 8, or even iOS 8.1, for love machines. If you think that after the upgrade, the battery use time is shorter than before, you can refer to the following methods to try to improve the battery use time. 1. Find out the apps with big power consumption IPhone 6 to save power: IOS 8.1

iOS Development Web Chapter-File download (two · reasonable)One, side download, side write1. IdeasAppend the downloaded data to the end of the file until all the data has been downloaded.1. When the server is connected, create an empty file into the sandbox Nsfilemanager (file management Class)2. Create a file handle to write data3. After receiving the data returned by the server, it writes to the empty fil

Nsthread is a lightweight multithreaded development, written in OC language, more object-oriented, and not very complex to use, but using nsthread requires you to manage the thread lifecycle. It is seldom used in iOS development to create a thread, but it is often used to do some delay, get the current thread, communicate between threads, and so on.However, in terms of thread synchronization, it is troublesome to control the execution order of threads

IOS IM development preparation (2) install and use protobuf-objc, iosprotobuf-objc Google Protocol Buffer (Protobuf) is a hybrid language data standard within Google. You can download Protobuf source code on the http://code.google.com/p/protobuf/downloads/list (however, you need FQ access ). Protocol Buffers is a lightweight and efficient structured data storage format that can be used for serialization or

Li Hongqiang iOS Development-02.1_ Ring Letter SDK 2.x to 3.0 Upgrade Documentation SDK 2.x to 3.0 Upgrade Guide Ring Letter SDK 3.0 Upgrade DocumentationThe core class in 3.0 is the Emclient class, which can be obtained through the Emclient class to Chatmanager, Groupmanager, Contactmanager, and Roommanager objects. The original 2.0 version of the SDK many

viewdidload];11 //Do any additional setup after loading the view, typically FR Om a nib.12 }14-(void) didreceivememorywarning { [super didreceivememorywarning];17 //Dispose of an Y resources that can be recreated.18}19-(ibaction) Hellobutton: (UIButton *) Senhder {self.helloLable.frame = CG Rectmake (Ten, +, +); Self.helloLable.text = @ "Hello world!"; }24 @end8. Modify the APPDELEGATE.M fileThe following code already exists i

In iOS, Reachability is used to detect the network type of the mobile phone. Wi-Fi and 2 3 4G, iosreachability If you want to provide a Reeder In the iOS program, or provide offline mode (Evernote) in the absence of a network ). Then you will use the Reachability for network detection. Purpose of writing this article Understand what Reachability can do Detect

iOS Development Swift Chapter-(eight) functions (2)First, the function typeA function type is also a type of data that consists of a formal parameter type and a return value type, in the formreturn value type (List of parameter types)1 func sum (num1:int, num2:int), Int {2 return NUM1 + num23}The function type of the SUM function is (int, int), int1 func prin