IOS

This example for you to share the iOS verified mobile phone number of code snippets for your reference, the specific content as follows Determine if the phone number format is correct + (BOOL) Valimobile: (NSString *) Mobile {mobile = Mobile

A brief review of quartz2dOne, what is quartz2d Quartz 2D is a two-dimensional graphics engine that supports both iOS and Mac systems ⼀ Quartz 2D can complete the work: Drawing graphics: line \ triangle \ Rectangle \ Circle Arc etc. Draw text

AFNetworking + Python + Flask + pyOpenSSL build iOS HTTPS client & server, afnetworkingflask I have read a bunch of documents on the Internet for HTTPS, and the various protocols and certificates are a bit dizzy.   In the end, I feel that I have put

Collection rejected for iOS IPv6 compatibility support and IPv6 audit, iosipv6 Recently, I encountered a major challenge: IPv6 approval was rejected, so I searched for a solution to collect some documents that can be used for backup. We also hope

App development process-right sliding return gesture function, app gesture After iOS7, the navigation Controller provides the gesture function to slide from the left edge of the screen to the right. However, if you customize the return button in the

Understanding and practice of GCD, and GCD understanding and practiceGCD GCD, full Grand Central Dispatch, is a solution developed by Apple for multi-core parallel processing. It is implemented in C language, but it is very convenient to use because

Hybrid programming in Apple system development (2): mutual calls between Swift and C, system development swiftWhen performing mutual calls between Swift and C, it is necessary to first understand the type conversion relationship between the two

Cell business logic processing (Time formatting), cell business 1. Click More. 1. Click More for project requirements. A box is displayed at the bottom.  2. How to bring up a box from the bottom? Two Methods: UIActionSheet, UIAlertController 2.1,

Code Note: Map of China, map of China I ,. 2. Engineering Drawing. 3. Code. AppDelegate. m # Import "AppDelegate. h "// Add the header file # import" DrawMapViewController. h "@ implementation AppDelegate-(BOOL) application :( UIApplication

A clever way to implement the floating tableViewHeader, tableheaderview floatingPreviously, we had to implement a similar floating + parallax headerView because of our work. After studying how to do this for a long time, we finally used

APP rating (star like) is very simple, app stars 1. Use code or storyboard to create five buttons (usually five stars) I use storyboard. Remember to set the tag value of the button. In. h @ Property (weak, nonatomic) IBOutlet UIButton *

Common algorithm questions in iOS interviews and common iOS interview Algorithms I. Preface Here is an algorithm question you have encountered in your iOS job search. I hope it will help you. Occasionally updated. If you want to run code debugging

[Code Note] network sniffing and code note sniffing I ,. 2. Engineering Drawing. 3. Code. AppDelegate. h #import #import "Reachability.h"@interface AppDelegate : UIResponder { Reachability *reachability; BOOL WarningViaWWAN;}@property

[Code Note] Bookshelf page, note bookshelf page I ,. 2. Engineering Drawing. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController{ NSMutableArray * dataArray; UITableView *

IOS data persistence file read/write preference settings, ios data read/write preferences Many iOS apps support preference settings, such as saving user names, passwords, and font sizes. iOS provides a standard solution to add preference settings to

Protocol and proxy, protocol proxy ====================================== Protocols and Proxies ====================================== [Agreement] @ Protocol   [Role of the Protocol]: Specifies the interface method to be implemented. An agreement

[Code Note] Get the device model, note the device model I. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. NSLog (@ "-- self-machine-% @", [self machineName]) ;}# pragma-mark-functions // obtain the

IOS gestures and ios gestures In IOS, gestures can give users a good experience. Therefore, it is necessary to understand gestures. (There are many notable points in setting gestures) * Yes. The click fails to respond when the value is set to Yes * *

The pitfalls in the AFN parser, the AFN parser The AFN framework is used to send network requests. It can automatically parse JSON data and send request with parameters.The AFN framework can also monitor the current network status and support HTTPS

[Code Note] adds a moving gesture to the background image and a background image gesture. 1. Engineering Drawing. II ,. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController@end   RootViewController. m # Import