IOS

Objective-c: a self-written demo. If you have any shortcomings, please correct them:: Core code:[Plain]-(Void) viewDidLoad{[Super viewDidLoad];NSArray * array = [[NSArray alloc] initWithObjects: @ "hello", @ "BFlower ",@ "CGrass", @ "DFence", @

Find the "application: didfinishlaunchingwitexceptions:" method in appdelegate. m and add the following code: If (! [[NSUserDefaults standardUserDefaults] boolForKey: @ "everLaunched"]) {[[NSUserDefaults standardUserDefaults] setBool: YES forKey: @ "

In the previous article, we added the KissXML, MBProgressHUD, and AQridView libraries to our client. First, we added the KissXML library, which is an XML parsing library and supports Xpath, so that we can easily add and modify any node. Download the

The following two reference links of the certificate are very good:  Note that the warning notification is actually displayed by yourself. The specific process is as follows: And push messages have their own unique json format, apple's api said very

In the previous note, I mentioned the usage of MPMoviePlayerController. The effect of the player made by MPMoviePlayerController is really monotonous, although I added album photos and lyrics for song response in the project, the effect was still

Debugging on the simulator is successful, and the real machine is still waiting for testing. Welcome to our discussion Simulator:. /Configure -- disable-doc -- disable-ffmpeg -- disable-ffplay -- disable-ffserver -- disable-avfilter -- disable-debug

Only portait is supported and cannot be rotated: -(BOOL) shouldAutorotate { Return NO; } Rotation supported: -(BOOL) shouldAutorotate { Return YES; } -(NSUInteger) supportedInterfaceOrientations { Return

   47. What is kvc? What is kvo? What are the features? 48. What is the responder chain? 49. How do processes communicate with each other on unix? UNIX mainly supports three communication modes: 1. Basic Communication: Mainly used to coordinate

Considering that most of the cache implementations use the Singlton mode, the C ++ template method is used to design a Singlton base class. In this way, as long as the class is inherited, The subclass will support the singleton mode. The Code is as

[Cpp]-(void) GetUpdate {NSDictionary * infoDict = [[NSBundle mainBundle] infoDictionary]; NSString * nowVersion = [infoDict objectForKey: @ "CFBundleVersion"]; NSURL * url = [NSURL URLWithString: @ "http://itunes.apple.com/lookup? Id = *** "];

Problem description: The following code is used: [plain] FirstView * fir = [[FirstView alloc] init]; [self. navigationController pushViewController: fir animated: NO]; can I implement a pop-up animation? Thank you for your solution: [plain]-(void)

In the header file. h of the custom protocol @ Protocol NSDelegate @ Optional // optional -(Void) OnOption :( NSString *) pStr; @ Required // required-(Void) OnRequired :( NSString *) pStr;@ End   @ Interface NSClass: NSObject Id delegate; @ End   @

I am recently working on an iPhone text message upload and download project. After the text message is downloaded, I need to restart the SMS app to view the downloaded text message. However, in reality, it is impossible for users to restart the sms

You can use flash to play an animation when the App starts. You can also use multiple consecutive images. In the project, I chose the latter. Through the continuous animation effects of multiple images, the system's built-in UIImageView can complete

1. PrefacePreviously, I learned the basic syntax of Objective-C. From today on, I started to learn simple IOS view development. 2. UIAlertView2.1 normal bullet boxThe best way to use the prompt view is to use a specific initialization

1 PrefaceUITextField is used to accept text input by users. It is very common in development. Let's take a look at this control today. 2. code exampleZYViewController. h: [Plain]# Import  @ Interface ZYViewController: UIViewController @ Property

1 PrefaceThe UIWebView control can correctly and dynamically load Web pages. We can use the UIWebView class to drive all the permissions of Safari on IOS. 2. code exampleCustom UIWebView content: ZYViewController. h: [Plain]# Import  @ Interface

1 PrefaceIn each Section of UITableView, you can set the header and footer to meet your needs. You can set it by yourself. 2. code exampleZYViewHeaderFooterController. h:   [Plain]# Import  @ Interface ZYViewHeaderFooterController: UIViewController

Under normal circumstances, the following two methods are implemented in AppDelegate to enable the listener to recover from the background to the foreground. [Cpp]-(Void) applicationDidEnterBackground :( UIApplication *) application{Log4info (@ "---

If you want to execute methods in another class in one class, you can use notifications.1. Create a notification object: icationicationwithname: object: Or notifwitwithname: object: userInfo: NSNotification * notification = [NSNotification