IOS

IOS local push implementation, compatible with iOS 8 Code in AppDelegate. m // AppDelegate. m medium-(BOOL) application :( UIApplication *) application didfinishlaunchingwitexceptions :( NSDictionary *) launchOptions {// process the problem that

21 points between swift and OC must be known, and swiftoc cannot be 21 points Chris Lattner, Apple's great god, presented swift to us for the first time at the WWDC conference in June. It has been more than half a year since then. Although most

Dynamically draw curves on iOS A function needs to be completed recently, that is, to dynamically draw a curve on the screen. This curve can be used to describe the changes of data within a certain period of time. This is probably the following

IOS development-thread security for multi-thread DevelopmentA resource may be shared by multiple threads, that is, multiple threads may access the same resource, for example, multiple threads access the same object, the same variable, the same file,

IOS review Note 11: Protocol and proxy1. FunctionMethods can be declared in the Protocol (variables cannot be declared ),As long as a class complies with this Protocol, it is equivalent to having all the method declarations in the Protocol.The

Convert color to UIImage, and convert color to UIImage Image:   Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. // Create Image UIImageView * imageView = [[UIImageView

"OC" inheritance, "oc 」I. Basic usage1. design two types of Bird and Dog 1 // Bird Declaration 2 @ interface Bird: NSObject 3 {4 @ public 5 int weight; 6} 7-(void) eat; 8 @ end 9 // definition of Bird 10 @ implementation Bird11-(void) eat {12 NSLog (

"OC" encapsulation, "oc 」1. object-oriented and Encapsulation Three main features of object-oriented: encapsulation, inheritance, and Polymorphism In the OC language, @ interface and @ implementation are used to process classes. @ Interface is like

IOS source code download: Scroll view of text + Images Function category: Others Supported platforms: iOS Running Environment: iOS Development language: Object-c Development Tool: Xcode Source code size: 1.22 MB Source

IOS development-UIScrollView trap-delete all sub-views, the scroll bar (indicator) disappears, and the uiscrollview scroll bar   UIScrollView is often used to clear a view. The common practice is: For (UIView * subview in self. scrollView.

Processing of null array judgment in iOS development This article focuses on the issues that need attention when NSArray determines whether it is null. When determining whether the array is null, some developers write it:   if (array !=

Ios-page value transfer (protocol, Singleton) Define a protocol on the first page and define a protocol method to obtain the return value from the second page to the first page. # Import # Pragma mark defines a protocol for parameter transfer@

New ios positioning function-implement positioning in programs Core Location is a framework in iOS SDK that provides device locations. You can use three techniques to obtain the location: GPS, cellular, or Wi-Fi. Among these technologies, GPS is the

UXSS vulnerability in UIWebView in IOS and its repair methods IOS developers often use UIWebView. Most of the time, they load external addresses, but sometimes they are used to load local html files. UIWebView follows the "same source" policy when

NT_iOS note-add text background color (search highlight) in CoreText)   Full-text search in CoreText requires that the search results be highlighted. This is a common practice. You can use UILabel to directly display the search results in the search

IOS Runtime notes and iosruntime notes Objective-C language is a dynamic language that enables many static languages to process what they do during compilation and linking. The advantage of this dynamic language is that we are more flexible when

The problem that occurs when you execute the animateWithDuration: delay: options: animations: completion of the UIView in a row, Problem background The basic principle of custom accessoryView for UIKeyboard is to dynamically adjust the frame value

Introduction to mobile application development platform, Mobile Application Development PlatformAppCan MEAP Enterprise Mobile Application Platform AppCan MEAP is a platform-level product that provides standard technical support for Enterprise Mobile

Create an ipa file for the jailbreak version. 1. create a project and select the certificate created by the developer. 2. compile the project. In the tree menu on the left side of the project, find the Product, find the compiled project, email, and

IOS push: local notification UILocalNotification 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