IOS

[Oc learning diary] Singleton mode, oc learning Diary First, let's take a look at the concept of Singleton mode. The Singleton mode ensures that only one object (only one address) exists in the system. The following is an example of a student. To

[IOS] Image Compression & amp; save View as content Img 1. Image Compression Encapsulation Method + (UIImage*)imageWithImageSimple:(UIImage*)image scaledToSize:(CGSize)newSize{ // Create a graphics image context

IOS learning 02 simple animation, ios learning 02 The second day of IOS learning, today I am doing a simple animation program! The procedure is as follows: 1. When you click the four buttons at the bottom left of the screen, the picture above will

[Oc learning notes] string, oc learning notes string 1 // create a string 2 NSString * str1 = [NSString string]; 3 // create a c string 4 NSString * str2 = [NSString stringWithCString: "ss" encoding: NSUTF8StringEncoding]; 5 // create a string 6

IOS development NOTE 3: XML/JSON data parsing, iosjson This article mainly summarizes the methods used in XML/JSON data parsing in iOS development. XML data parsing mainly uses the NSXMLParser In the SAX mode and the GDataXML In the DOM mode, and

SDWebImage source code learning, sdwebimage source codePreface In my personal understanding, SDWebImage is a great open-source framework that helps us load images asynchronously and cache these images to memory and disk. In fact, there are also many

IOS _ strings show different colors Recently, you need to display different colors based on different content. Mark it here. Set color:   NSString * contentStr = @ "Introduction: hello world"; NSMutableAttributedString * str =

IOS changes the color of the top battery bar in real time The statusBarStyle (battery bar) color on the top is modified in real time based on the offset on the sliding interface. Directly run the Code: First, set the View controller-based status

Implementation of Loading by UIWebView in IOS Recently, a friend asked me how to load the loading interface with horn animation and interface image similar to voice playback. Is it a GIF image! Of course, my answer is no. Of course, there are also

In ios, click the button to asynchronously load the image. This article summarizes several methods for Asynchronously loading images in IOS, which are very simple and practical. For more information, see. Compared with the original method: The Code

[Oc learning notes] convenience constructor cannot be inherited, oc learning notes Today, my teacher talked about the convenience constructor and inheritance, so I was wondering if the convenience constructor can inherit from the quilt class just

In IOS development, tableView displays the list content data (storyboard) and iostableview This is the first time I wrote such a blog, and I am also a newbie-level self-taught IOS. If you have any incorrect ideas, please correct them. Thank you...  

Fault Tolerance in iOS development -- YRClassSafeCategoryYRClassSafeCategory Recently, I found that many of my friends are asking me how to solve the fault tolerance problem during similar parsing. After thinking about it, I just open-source the

IOS_Spring automatically generates models, services, and controllers. Why does iOS_Spring and ios_springmodel be used? Download iOS_Spring https://github.com/MartinLi841538513/iOS_Spring_Source/archive/master.zip   Tutorial video tutorial   Don't

22 amazing technologies developed by iOS, ios22 I have summed up 22 tips for iOS development based on my own practical development experience. In a very happy tone, I can easily solve all kinds of hard-hitting problems encountered during the

Micro-word (filter), micro-word Filtering I personally think that microwords are a good thing. 1. Custom object @interface Person : NSObject@property(nonatomic , copy)NSString * name;@property(nonatomic , assign)int age;@property (nonatomic , retain)

OC, oc Language  Features of the OC language 1. hyperset of the C-language statement, which allows the C-language program source code to be used in the OC. the compiler is compatible with the C-language program. 2. It has a complete pipeline object-

The quick cocos2dx game engine lua calls the oc code to implement local push, cocos2dxlua In my blog titled "how to implement local push for ios, compatible with ios8.Now we will introduce how to call the oc method interface we have previously

IOS concurrent programming-eight locking methods and Comparison In iOS development, it is inevitable that you will encounter locking. Today we will compare various locking methods. Currently, I know the following locking methods:1. @ synchronized

Ios development-UI basics-Application Management (simple interface) Improvement 2, ios-ui This article uses dictionary-to-model to improve the code in the previous article. Dictionary-to-model conversion, which has been introduced in previous