IOS

[Original] NSURLSession HTTPS Mutual Authentication, nsurlsessionmutual 1. Introduce the Protocol 2. login verification request -(void)authenticate{ NSURL *url = [NSURL URLWithString:authAddress]; NSMutableURLRequest *request =

IOS Crash handling: This application is modifying the autolayout engine from a background thread, modifying I. error message This application is modifying the autolayout engine from a background thread, which can lead to engine Crash uption and

Armv7 armv7s arm64, armv7armv7s Arm processors are famous for their low power consumption and small size. Almost all mobile phone processors are based on arm and are widely used in embedded systems. Armv6, armv7, armv7s, and arm64 are arm processor

How to Set Up developers and experiencers and developers for applets The applet needs to add developers and experiencers in the background Developers: developers can upload code after they are added. Up to 10 developers can be deleted.

IOS development: creates a real machine debugging certificate and description file IOS development: create a real machine debugging certificate and description file For iOS development, I have also learned from Tom and experienced various

Ios development and learning accumulation: 20161027 ~ 20161028,2016102720161028 Preface Learn about ios over the past few days and summarize the definition and call of functions. It is different from other languages; It is particularly important to

Use git and svn, and use gitsvn Projects on the server are managed using svn. Originally, local projects were managed through svn. However, when svn Branch functions were used for project testing/new functions, various problems always occurred,

AVSpeechSynthesizer language synthesizer, The speech synthesizer technology is launched by iOS7, which can implement the non-network speech function and support multiple languages. 1. import Define a member variable AVSpeechSynthesizer * _

How to Adapt iOS 10 to ios 10 In September 7, 2016, Apple released iOS 10. In September 14, 2016, the new operating system iOS 10 will be officially launched. How can I adapt to iOS10 as a developer? 1. Notification) SinceNotificationAfter it was

Ios obtains and modifies class private attributes and instance variables, and ios instances1 # import "Cat. h "2 3 @ interface Cat () 4 5 @ property (nonatomic, copy) NSString * name; 6 7 @ end 8 9 @ implementation Cat {10 int age; 11} 12

QR code, QR code generatorUse the built-in generate/scan QR code IOS 7 started to integrate the scanning of QR code generated by Apple ### steps to generate a QR code Import CoreImage framework#import Use the filter CIFilte to generate a QR

Do you really know about UIWindow ?, UIWindow I. First, let's take a look at the definition of UIWindow. NS_CLASS_AVAILABLE_IOS (2_0) @ interface UIWindow: UIView // window screen. The default value is [UIScreen mainScreen], which cannot be changed;

For IOS Certificate-free real machine installation process and problems, ios Certificate-free real machine Because I am working and switching to IOS, I have never used the certificate-free installation process. It is usually directly developed by

UICollectionViewCell Custom Button, uicollectionviewcellUICollectionViewCell Custom Button   Effect   Features 1. dynamically set the number of buttons displayed on each line and the placement format of controls 2. Implement the

IOS learning and ios learning routes There are 100 items and there are only 20 data sources. They can only be moved between 20 items to prevent item reuse and cause bugs. Method 1: Apple comes //UICollectionViewDataSource-

Repeat the TabBar button to refresh the page. Click the status bar to return to the top and the tabbar to return to the top. 1. click the listener button. 2. determine whether the same button is clicked (record the button that was last clicked) 3.

IOS development-generate random numbers and develop random numbers for ios Sometimes we need to generate random numbers in the program, but the corresponding functions are not provided in Objective-c. Fortunately, rand (), srand (), and random ()

Use of time classes such as iOS NSDate and iosnsdateI. NSDate 　　 // IOS time // current time, default 0 time zone NSDate * date = [NSDate date]; NSLog (@ "current time date % @", date ); // NSDateFormatter is used to set the NSDate format

Xcode -- create your own Framework, xcodeframework (Note: The following content is based on Xcode7.2.1. The versions are different and the interface content may be different !) If you want to share your developed controls with others, you can

I have summarized the following problems and solutions, hoping to help you adapt to the new operating system as soon as possible.1. Save the old informationIOS 8 has added a new information management mechanism, mainly because old information can be