IOS

Li huaming himiOriginal, reprinted must be explicitly noted:Reprinted from[Heimi gamedev block]Link: http://www.himigame.com/iphone-cocos2d/415.html After carefully understanding the iOS game development engine, commonly used cocos2d and unity

IOS provides browsing functions for various documents (PDF, PPT, word, txt, JPG, etc.). This is very useful because we will inevitably need to browse various documents in the app. The official sample code docinteraction shows how to browse documents

Cause Many people commented on some crash messages and asked me what happened to the program. In fact, if you know where the code crashed, it would be easy to locate the problem. Android Developers can see which line of code has a problem by

1. Define class variables:Uiimagepickercontroller * picker_library _;2. Implement the uiimagepickercontrollerdelegate delegate and the uinavigationcontrollerdelegate proxy.3. Display the image selector in Mode picker_library_ =

Alpha-Testing The overhead of using alpha-testing on iOS is very high. Try to replace alpha-test shader with alpha-blend.Vertex Performance Control the rendering of up to 40 thousand vertices per frame (over 10 thousand faces) on the iPhone 3gs and

Open accessibility in the simulator to view each control, even on the web page. Therefore, it is possible to perform more accurate automated testing. Next I posted a blog post. If you are interested, I can find time to study how to apply it together.

An error occurred while updating the Code. If the verification fails before uploading, the system prompts apps areNot permitted to accessUdidAndMust not useUniqueidentifierMethodUidevice. Please update your apps and servers to associate users

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;-

Li huaming himi original, reprint must note in the obvious: Reprinted from [Black Rice gamedev block] original article link: Success! -------------------------------- This article provides a detailed description of Multi-contact and touch-screen

All articles on this site areLi huaming himiOriginal, reprinted must be explicitly noted:Reprinted from[Heimi gamedev block]Link: http://www.himigame.com/iphone-cocos2dx/603.html   Many children's shoes may be confused -. -Yesterday I just wrote

IOS Memory Management Summary I have been learning iPhone programming for a month, and I am still a little unfamiliar with memory management. I want to organize some of my personal points that are concise and contain the following

The nsobject object of IOS provides a mechanism to execute its methods in different threads.The most common method is to execute some methods in the main thread, namely the UI thread. performSelectOnMainThread:withObject:waitUntilDone: However, this

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

Today, I saw a comment from my Weibo fans two days ago. Why didn't I update my previous articles in the "Open Source China client learning" series? I haven't written it for so long. I don't expect anyone to wait for updates. In fact, there are

If you are a developer, during the development process, you will find that some code is frequently used in the same project or in different projects, experienced people will directly encapsulate the code in a class, or write a macro definition or

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

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

Airplay is a cool feature in IOS. It is connected to devices that support airplay through Wi-Fi, and then the image function can be used to display content and play sound on other devices. Many large games support airplay. For example, when

Notification is a very common information transfer mechanism in smartphone application programming. It can save resources and check information status without consuming resources ), apps in IOS are divided into two different notification types:

# Import "helloappdelegate. H" @ Implementation helloappdelegate // Customize the User-Defined point after the application starts -(Bool) Application :( uiapplication *) Application didfinishlaunchingwitexceptions :( nsdictionary*) Launchoptions {