IOS

Using xcode to compile command/developer/platforms/iphonesimulator. Platform/developer/usr/bin/g ++-4.2 failed with exit code 1 I have been searching online for a long time to explain various reasons, but most of them refer to redefinition of

In the iPhone, the control must be release as long as it is connected using iboutlet. Whether or not it has @ Property(Nonatomic,Assign), @ Property(Nonatomic, Retain) Attribute. The reason is as follows: On Mac OS X, iboutlets are

After mastering the basic concepts of iOS, we started to get started with the topic. We started to use sup, which provides very powerful development functions. We can use it to generateCodeTo develop offline mobile apps. The basic process is to

Apple's appstore is essentially a software release channel for the iPhone and iPad (software developers must pay 30% of the channel rent ). Why does Steve Jobs refuse to support flash on iOS because of commercial interests rather than user

IOS category usage Objective-C provides a very flexible class extension mechanism-category ). A category is used to add a method (methods) to an existing class ). You only need to know the public interface of this class, and do not need to know the

The memory of mobile devices is extremely limited. Applications must handle low-memory to avoid program crashes due to memory usage.   How to handle low-memoryAn application usually contains multiple view controllers. When you jump from view to

I have summarized some common IOS code recently. 1. variable parameters in IOS It is common in nsarray initialization methods, such: @interface NSArray (NSArrayCreation)+ (id)arrayWithObjects:(id)firstObj, ... NS_REQUIRES_NIL_TERMINATION;-

A good application written by a developer must have the same excellent "Facade", including a web application. Multiple good pictures can bring an unforgettable first impression. Although it looks like a face project, you only need to download the hd

Recently, I was developing a public transport application. There is a module that involves topic settings. This article mainly talks about my practices. The procedure is as follows: (1): the entire application depends on a topic manager. The topic

Li huaming himiOriginal, reprinted must be explicitly noted:Reprinted from[Heimi gamedev block]Link: http://www.himigame.com/iphone-cocos2d/423.html Ccscene must be familiar with cocos2d shoes. Therefore, when using [[ccdirectorsharedctor ctor]

Opencore for iOS was compiled when I was idle two weeks ago. For how to compile opencore for iOS, see this article. Today, I try to use the example library, and I want to use .amr's file decode.wav format. There is a simple example in the test

Starting last week, big guys started to get started with the third-generation iPad. Since the new iPad uses a retina display screen, the resolution is doubled from that of the previous iPad (TRANSLATOR: the length and width are doubled, and the

When we create a new project, we will see a prefix in the supporting files file. the file ending with PCH. PCH is the "precompiled header", that is, the pre-compiled header file. Some codes that are not frequently modified in the project stored in

Data Encryption plays an important role in the software development process. Some companies may have their own internal design algorithms during encryption, in this regard, you can consider using third-party encryption algorithms, such as AES

I have been working on iPhone custom controls recently. I have some knowledge about the graphic control and Some APIs on iOS, so I would like to summarize them. Gradual color is the basic thing for making images. It is essential to make beautiful

-(Uiview *) findview :( uiview *) aview withname :( nsstring *) name { Class Cl = [aview class]; Nsstring * DESC = [CL description]; If ([name isequaltostring: DESC]) Return aview; For (nsuinteger I =0; I Count]; I ++) { Uiview * subview = [aview.

Tableview is a rolling view divided into different parts. Each part is further divided into rows. Each row is an instance of the uitableviewcell class. You can embed images, text, and anything into tableview cells to customize their shapes, heights,

Enable paging using uipageviewcontroller Create a program: file --> New --> new project --> page-based application template --> next --> Device Family (universal) --> next --> Create; The dataviewcontroller class provides an instance of this class

Two demos are provided to implement similar walkie talkie functions. One is implemented using the Lib-Amr library in the AMR format. The other is the speex library. There are a lot of people mentioned here, but there are not many tutorials. There

If only spaces in the string are replaced, use the nsstring The stringbyreplacingoccurrencesofstring function is OK. Eg: Nsstring * Email = [emailori stringbyreplacingoccurrencesofstring: @ "" withstring: @ ""]; Then, sometimes, we only need to