IOS

View structure In iOS applications, the structure of a view is a tree-type data structure that controls the view display, which has a good advantage: Hierarchical relationships are distinct and facilitate the delivery of events. Starting from the

In general, we use the form of a list to display the data will use the UITableView. After mastering the data with UITableView, you may encounter the need to delete the data in the development process, we want to implement a row of data on the move,

To get the device's IP address, a random search on the internet can find a lot of results, but these can be found in the code is basically written in C, and did not target iOS optimized adjustment, use is not convenient. Just to get the IP address,

The idea is that this dialog window, in fact, is also a viewcontroller, assuming that the Modalviewcontroller code is as follows   Judgment System version #define IOSVERSIONGREATERTHANOREQUALTO (v)       ([[[uidevice  currentdevice] systemversion]

Can convert UIView to UIImage method, others summed up a very useful method. For the convenience of peacetime use, so on their own blog to make a backup. Docheyan author. #pragma mark View converts to image + (uiimage*) Imagewithuiview: (uiview*)

When the payment is made and the amount is paid, the price requirement is very strict.A way to put an amount of arithmetic Amount Calculation methodtypedef enum {adding,subtracting,Multiplying,Dividing,}calucateway;#pragma mark currency calculation+

The following Firstviewcontroller (FVC) button buttons Click to jump to Secondviewcontroller (SVC) as an example to illustrate: Mode one: The segues way of storyboard Mouse click button and then hold control key drag to the SVC page, in the pop-up

In the process of development, some very demanding apps will be fine to the line spacing of the text, now for a moment to adjust the Uilabel and Uitextfield line spacing method. This is mainly done as an example of Uilabel. Set line spacing-(void)

IOS development-file operations and ios development operations Directory operations and file management   Learning Objectives 1. Understanding Singleton 2. Familiar with common file management operations of NSFileManager 3. Master common file data

Delete UITabelview and UITabelview Self. tableView ?. DeleteRowsAtIndexPaths ([indexPath, indexPath1], withRowAnimation:. Left) // title is the data source self. titles. removeAtIndex (0) self. titles. removeAtIndex (0) 2016-07-30 21:44:26.613

IOS development-memory management, ios development Memory Management Memory Management For this article, we are actually using the ARC mode. Normally, we basically don't need to manually release the memory, so if you don't need an interview,

IOS development-OC language (4) array, ios-oc Knowledge Point 1. NSArray 2. NSMutableArray   1. Basic array usage; 2. array Traversal 3. array sorting     ============ NSArray immutable array ============================     1. Differences between

IOS development-OC language (6): syntax and @ property,-oc @ property Point syntax and @ property   Knowledge Point   1. setter/getter Function 2. Point syntax 3. @ property syntax and attributes     ==================================================

IOS open-source project weekly report 0105, ios open-source project 0105 The fourth issue of the iOS open-source project weekly, which was produced by OpenDigg, is coming. Our iOS open-source weekly report combines the high-quality open-source iOS

I have been developing an application on the iphone over the past few days. There are problems that require camera/album programming and image upload. Here I will summarize them.[Partial knowledge]Images on the iphone are usually stored in four

Recently, I started to use the HTTP protocol to implement interaction between the client and the server. Later I needed to change it to the HTTPS protocol. Some problems were found during the modification. The solution is as follows: The code is as

Note before ios9.3.3 jailbreak:1. The jailbreak program requires network verification. Therefore, the computer network and mobile phone network must be smooth.2. Due to the jailbreak mode change, some plug-ins may not support the latest version.

TP-LINK wireless speaker waterfall 1, can be connected to the home wireless router, by any mobile phone, Pad, computer and other terminals in the same network through wireless push music, this provides you with high fidelity and high-quality sound

Method 1: The simplest method for upgrading an OTA update from a mobile phone onlineIn your ipadmini, find "settings"-"general"-"software update" and you will see an ios8 upgrade reminder. We can click here to update the update. Method 2: Computer +