IOS

When using the latest Sina Weibo sdk for development, if the iphone is more than 6.0 of the system, you can directly call the sso Sina Weibo client. You only need to add the following four methods to appdelegate. -(Void) applicationDidBecomeActive :(

1. copy from the cache folder to the document folder [cpp] NSString * sqlFile = @ "test.zip"; NSArray * cachePath = Export (NSCachesDirectory, NSUserDomainMask, YES); NSString * cacheDir = [cachePath objectAtIndex: 0]; NSString * databasePath =

[Cpp] UIImageView * peach2 = [[UIImageView alloc] initWithImage: [UIImage imageNamed: @ "flower2"]; // declare a UIImageView object to add the image peach2.alpha = 0.8; // set the alpha of the view to 0.5, and the translucent int xx = round (random (

Configure mongo.apple.com to log on to mongo.apple.com, and then perform the following steps: Create an App ID without wildcards for the application. Use this App ID to generate and install the corresponding Provisioning Profile file. Configure

Method 1:-(BOOL) application :( UIApplication *) application didfinishlaunchingwitexceptions :( NSDictionary *) in the launchOptions method, the parameter dictionary launchOptions contains the name of the application calling the function

First: navigationcontroller // enter the lower layer [self. navigationControllerpushViewController: subTableViewController animated: YES]; // return to the upper layer [self. parameters: YES]; Type 2: presentModelViewController (below ios5.0),

The iOS design specification requires that when the application exits (including when it is terminated), the UI element status in the screen needs to be maintained, when you come in again, the status is the same as that when you exit. After iOS6,

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

Core Animation can be translated into Core animations, providing the foundation for graphic rendering and Animation. When using the core animation, you only need to set some parameters such as the start and end points. The remaining frame core

Ios sdk Compatibility Guide is the content to be introduced in this article. It mainly describes how to apply ios sdk-based development instructions to XCode projects. Let's take a look at the details. 1. Use (weakly linked) Weak Connection classes,

Problem description: A list application is created. You only need to press the button to add the string to the mutable array. However, after the code is run, click the button and only the last array is successfully added. [Plain]-(IBAction)

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)

UITableView is more powerful than custom UITableViewCell cells. Generally, cells in UITableView are dynamic. during use, a Cell pool is created based on the height of each Cell (tableView: heightForRowAtIndexPath: return value ), and several cells

UIButton * btn = [UIButtonbuttonWithType: UIButtonTypeCustom]; 1. [btn setTitle: @ "test" forState: UIControlStateNormal];Output: CurrentTitleLabel: Test, currentTitle: test. The simulator button displays: Test2. btn. titlelabel. text = @ "test

Splits a string into an array.-(Void) viewDidLoad { NSString * a = [[NSString alloc] initWithString: @ "winter melon, watermelon, dragon fruit, big head, puppy"]; NSArray * B = [a componentsSeparatedByString: @ ","]; NSString * a3 = [B

// Exponential operation NSLog (@ "%. f", pow (3, 2); // result 9 NSLog (@ "%. f", pow (3, 3); // result 27   // Square operation NSLog (@ "%. f", sqrt (16); // result 4 NSLog (@ "%. f", sqrt (81); // result 9   // Rounding up NSLog (@ "res: %. f",

1 PrefaceUINavigationController enables the App to switch from an attempt controller to another one. It is very common in development. Today, let's take a look at this control. 2 UINavigation IntroductionDelegate code . H file: [Plain]# Import #

When developing the comment function, you must include a token in the cookie to send the comment. The method for adding a token to a network request is as follows: NSDictionary * properties = [NSDictionary dictionaryWithObjectsAndKeys: @ "Token",

First of all, please understand that I may use a lot of English. After all, English documents will be your main source of information in the future. This blog will describe the problems and obstacles that many Cocoa developers have encountered.

1 PrefaceFrom today on, we start to learn about IOS graphics and animation. In Cocoa Touch, a program consists of a window and a view. A program with a UI has at least one window, which contains at least one or more views. In Cocoa Touch, a window