Use AutoLayOut to add constraints and highlights for UIScrollView.

Use AutoLayOut to add constraints and highlights for UIScrollView. 1. Drag a UIScrollView into ViewController and add constraints to it. The constraint is alignment with superview on the top, bottom, left, and right sides. 2. In scrollview, drag a

IOS welcome interface Launch Screen dynamic loading Advertisement

IOS welcome interface Launch Screen dynamic loading Advertisement When we open an application, the first thing we see is often not the main interface of the program, but the well-designed welcome interface, which usually stays for a few seconds and

Gesture details in IOS

Gesture details in IOS1. Click UITapGestureRecognizer * tap = [[delealloc] initWithTarget: self action: @ selector (click)]; // set the number of times to be clicked [tap setNumberOfTapsRequired: 1]; // set the number of fingers for the current

Basic knowledge of IOS development-fragment 11, basic knowledge of ios-Fragment

Basic knowledge of IOS development-fragment 11, basic knowledge of ios-Fragment 1: AFNetwork determines the network status # Import "AFNetworkActivityIndicatorManager. h "-(BOOL) application :( UIApplication *) application syntax :( NSDictionary *)

SandBoxPathFile, sandboxie

SandBoxPathFile, sandboxie // Obtain the sandbox directory of the application NSArray * array = NSSearchPathForDirectoriesInDomains (NSDocumentDirectory, NSUserDomainMask, YES ); NSString * path = [array objectAtIndex: 0]; NSLog (@ "% @", path ); //

Third-party open-source libraries currently used by iOS projects and third-party open-source libraries for ios Projects

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Music and social networking APP source code for ios and social networking app source code for ios

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Solve the Click Event and UIScrollView event of uiscrollview There are currently two methods The first method is to use Category to extend the UIScrollView object and add a touch event. (It is not recommended that the extension be inconvenient in

IOS _ screen orientation supported by mobile phones

IOS _ screen orientation supported by mobile phones The settings support two levels of screen orientation: app-level and viewController-level.   You can set the app level in [target]-[general]-[device orientation], for example: By default, Upside

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IOS CLLocationManager positioning, iOS 8 Note This afternoon, I started to use the built-in Location of IOS. I read a lot of tutorials on the Internet and run the sample code directly, but I still cannot get the location. The Code is as

Animation in IOS -- Core Animation

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Runloopautorelease and runloopautorelease

Runloopautorelease and runloopautorelease Is there any problem with the code below for such an ios interview question? If yes? How can this problem be solved? for (int i = 0 ; i Concept of local release pool and RunLoop release pool: The RunLoop of

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Third-party open-source libraries commonly used in iOS Projects 1. Third-party open-source libraries used by the Project The project uses CocoaPods (similar to maven in java) to manage common third-party libraries. Some special references are

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Build widgets for iOS development and build widgets for ios

Build widgets for iOS development and build widgets for iosSource: Chen Kai's blog at jianshu (@ chenkaiHome) Welcomes the original article to bole headlines With the update of up to 4000 APIs in the iOS 8 system, there is also the Today Extension.

Three Common IOS bullet boxes and three ios bullet boxes

Three Common IOS bullet boxes and three ios bullet boxesSo far, three types of IOS pop-up boxes have been known: 1. System pop-up box-bottom pop-up box UIActionSheet (1) usage: handling users' very dangerous operations, such as canceling the system (

Custom Control Development set for iOS development series-custom status bar message prompt control development

Custom Control Development set for iOS development series-custom status bar message prompt control development In actual development, message prompts are common requirements. In order to personalize and have simple UI status bar prompts, it is a

Automatic Layout of IOS Layer & quot;

"Automatic Layout" of IOS Layer"   Today, when I answered a question to a foreign friend on stackoverflow, I encountered the problem of automatic Layer layout. Write it here and share it with the people you need. Does Layer Support

Custom Control Development set for iOS development series-custom UITableViewCell slide Menu Control Development

Custom Control Development set for iOS development series-custom UITableViewCell slide Menu Control Development In many apps, UITableViewCell slides left and displays menus such as the system delete button. However, the system can only have one menu,

IOS: Create a subclass of UICollectionView

IOS: Create a subclass of UICollectionView The creation of UICollectionView is basically the same as that of UITableView. First, create a subclass that inherits from UICollectionView Then set some attributes in the initialization method.   -(Id)

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