IOS

[Code notes] the background color is displayed randomly, and the code notes are displayed randomly. I ,. 2. Engineering Drawing. 3. Code. RootViewController. h RootViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any

IOS ----- use GCD for multithreading, and ios ----- gcd for MultithreadingTwo core concepts of implementing multi-threaded GCD using GCD are as follows: Queue The queue is responsible for managing tasks submitted by developers. The GCD

For how to adapt iPhone devices to different Display sizes   ------ About adaptation ------ 1. What is adaptation? Adaptation is applicable to different hardware and system software, including screen display, processor, memory, etc (currently mainly

IOS-OC-Basic-NSObject common method, ios-oc -- nsobject 1 Person * person1 = [[Person alloc] init]; 2 Person * person2 = [[Person alloc] init]; 3 4 // you can call private methods in the class, however, there will be a warning 5 [person1 extends

In iOS, when QLPreviewController is used to open a file and process txt files with garbled characters, qlpreviewcontrollerIn iOS, QLPreviewController is used to open a file and process Garbled text files. Main Code: -(Id ) previewController :(

Parse XML/JSON and iosjson in iOS JSON Data Format 1. Overview:JSON (JavaScript Object Notation) is a lightweight data exchange format for users. Based on the plain text format, it is easy for the publisher to read and write, and easy for machine

Playing system music by UIMPMediaPickerController in iOS The layout is as follows:   Introduction framework: # Import # Import Follow the protocol and introduce header files   #import ViewController.h#import #import @interface ViewController

IOS development-App integrated text message Verification Code Whether on a webpage or on a client, we often perform text message or email verification when registering. This is a good security mechanism. For user experience, it is more convenient to

IOS NSURLSessionConfiguration, convert iosnsurl to nsstring The NSURLSessionConfigurationNSURLSessionConfiguration object is used to initialize the NSURLSession object. Expand the alternative scheme related to NSMutableURLRequest at the request

About the rejected appeal, review the rejected appeal The application download function is rejected for the second time. This time, the download is prohibited and the user is prompted to refuse to download the application due to copyright issues! I

We recommend an iOS color library-Wonderful, ios library-wonderful The Wonderful library is mainly connected to the UIColor information, which contains four sub-Files: UIColor + Wonderful, UIColor + Separate, SXColorGradientView, and SXMarquee.

Get the iPhone device + how to get the boot page image, I. Preface To create a function today, You need to dynamically obtain the boot page and then use the Unused boot page Image Based on different devices. Ii. Text In general, we can directly

[Code Note] three sections, each with header., sectionheader I ,:   2. project directory.     Iii. Code   RootViewController. h   #import @interface RootViewController : UIViewController{ UITableView *MyTableView;}@end   RootViewController. m  

The Singleton design mode and Singleton macro extraction in OC, And the OC design mode macro Extraction      1 // when an object needs to be reused and frequently used, you can use the singleton design mode for the object. 2 // The Singleton design

IOS9-xcode7 Common Errors https troubleshootingErrors The resource could not be loaded because the App Transport Security policy requires the use of a secure connection. Tom is not panic. This is the upgraded https problem of ios9. It is easy to

IOS development practical Forum website resource collection, ios Forum Resource CollectionIOS learning site: http://www.w3school.com.cnhttp: // objccn. iohttp: // github.ibireme.com/github/list/ios/githubon iosthird-party library collection can look

IOS development diary 48-UIPickerView, 48-uipickerview Today, the blogger has a UIPickerView requirement and encountered some difficulties. I would like to share with you the hope to make common progress. UIPickerView is a selector control, which is

[Reading Notes] iOS-iCloud programming, Reading Notes ios-icloud I. Apple cloud service-iCloud. Apple spent $1 billion on iDataCenter, the resume center in North Carolina, which is 0.5 million square feet and one of the largest data centers in the

Hide UITabBar and UITabBar Method 1: // Rewrite the push method of the navigation controller. -(Void) pushViewController :( UIViewController *) viewController animated :( BOOL) animated { // When the controller is pushed, hide the TabBar at the

Debugging on iOS Xcode7 and iosxcode7 Perform real-machine debugging on Xcode7 without a certificate. The procedure is as follows: 1. 2. 3. 4. 5. After the Apple ID is added, two Free items are displayed, indicating that the iOS and