IOS

Decoupling between ios service modules * This article requires a little runtime knowledge. If you do not know runtime, quick understanding of Runtime of Objective-C: Http://mp.weixin.qq.com? _ Biz = MzIxNDI0OTAzOQ ==& mid = 403005635 & idx = 1 & sn =

Native QR code scanning in iOS This article describes how to use the built-in system to scan QR code: click a button on the current page to create a scan VIEW. Careful friends can find that the title is changed and the return button is hidden. This

IOS 9.3 real machine adaptation-cocould not find Developer Disk Image problem, 9.3-cocould Cocould not find Developer Disk Image   This is because the real machine system is too high or too low, and Xcode does not have a matching configuration

Multi-threaded Multi-image download 2. multi-threaded image download The final demonstration is as follows:   This is a multi-threaded download and storage of images. Considering the download failure, the placeholder image problem occurs (the first

IOS miscellaneous pen-11 (the size of UIView cannot be changed externally), iosuiview I may not be very clear about the question. Now I will introduce this article in detail. The size of the UIVIew control cannot be changed externally. This is

[Code Note] Get the current date, code Note Date I. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. // call the function to obtain the current date. [Self getDateFromLocal] ;}

Dynamic Class creation for ios, dynamic class for ios[Objective-C Runtime dynamic loading] --- dynamically creates Class Dynamically create Class classes, dynamically add Class member variables and member functions, assign values and values to

Use NSCalendar and UICollectionView to customize the calendar, and implement sign-In display and custom calendar control sign-in Some time ago, a calendar can be signed in because of work needs to be implemented to record the implementation idea.

Objective-C: KVC, KVO, and objective-ckvckvo 1. KVC (Key-Value encoding) Key Value Coding 1.1 in C #, the Object can be obtained through string reflection to read and write the Object attributes. Object-C has the same implementation, through the

Basic OC string operations and basic oc operations The variable string modification method has a return value (re-pointing to the new string address) The variable string modification method does not return values (modifying the string

IOS network analysis-(9nsurlsession proxy Introduction), iosnsurlsession From the very beginning, I have never understood anything, but now I know little about it. I think it's not just me. Everyone should have noticed that the proxy is almost

Objective-C in IOS: learning the singleton mode in ARC, iosobjective-c The Singleton mode is a commonly used design mode. The most common purpose is to save and transmit data. This is due to the features of the singleton mode. First, let me briefly

IOS miscellaneous-8 (Introduction to loadView, viewDidLoad, viewWillAppear, viewDidAppear, etc.), loadviewviewdidload LoadView;This is where subclasses shocould create their custom view hierarchy if they aren't using a nib. shocould never be called

Simple Application of IOS xib on tableview (using xib to customize cell), tableviewxib UITableView is a common UI control. In actual development, due to the limitations of native APIs, custom UITableViewCell is very important. Custom cells can be

IOS network analysis-(three NSURLConnection proxy), iosnsurlconnection For the current iOS development, the usage is simple. The oldest, classic, and direct NSURLConnection does not play a great role. However, as an ios developer, we should have a

IOS network analysis-(five xml parsing), iosxml XML NSXMLParser Parsing Method The NSXMLParser we use is parsed using the SAX method. SAX (Simple API for XML) It can only be read, cannot be modified, and can only be accessed in sequence. It is

IOS development Note 12: The ios7uitextfield crashes due to the limited number of words entered in UITextField on iOS7. In some scenarios, You need to limit the number of words you enter, for example, control in textField (textView is similar, and

1016-03-Parent and Child controllers ----- transfer of screen rotation events, 1016-03 ------ 1. By default, all pointers in ARC are strong pointers. 2. when you set the relationship between two controllers to the parent-child controller, add the

Objective-c dictionary object, objective-c dictionary The NSDictionary in oc serves the same purpose as the dictionary class in java and provides a combination of "key-value" pairs. For example, a dictionary class is used to store the Student name

Notes for upgrading the IOS version of CiscoASA Firewall Reference the official Cisco announcement: Vulnerability in Internet Key Exchange (IKE) Version 1 (V1) and IKE Protocol Version 2 (v2) the Cisco ASA software code may allow unauthenticated