IOS

Context Stacks How does qurza2d draw the drawing information and drawing properties into the graphics context? Description Creates a new project, customizes a view class and storyboard association, and overrides the Drowrect method in the

About Storyboard After IOS5, Apple offers a new way to make the UI, which is storyboard. In simple terms, storyboard can be seen as a set of Viewcontroller corresponding Xib, and the way they are converted. In storyboard, you can see not only the

I. Overview1. For frequently used controls or classes, it is usually divided into a separate class for external use, so as to achieve a multiplier effect2, because the separation of the class is not dependent on other classes, so to use the class,

First, initialization Copy Code code as follows: Uilabel *mylabel = [[Uilabel alloc] Initwithframe:cgrectmake (40, 40, 120, 44)]; [Self.view Addsubview:mylabel]; Second, set the text 1, set the default text Copy

A table view with indexed catalogs 1. Effect drawing 2. Data source I would like to get the name of the address book, but in order to use the simulator debugging convenient, wrote dead data, so also only wrote part of the letter, in short, so

UIWebView is one of the most commonly used controls in the iOS SDK. is a built-in browser control that we can use to browse Web pages, open documents, and so on. In this article I will use this control to make a simple browser. The following figure:

LxwaveprogressA Simple Wave Components A simple wave progress animation, highly customizable. See Demo for concrete effect. How to use Lxwaveprogressview *progressview1 = [[Lxwaveprogressview alloc] Initwithframe:cgrectmake (0, 0, MB)];

Original intention Recent project new function changes larger, product children's shoes requirements to join the new function guide, so a breath spent two days to do a guide page, of course, plus the back of tinkering time, more than two days, but

Recently in the study of CoreData, because the project development needs, deliberately learn and tidy up a bit, sorted out to facilitate later use and peer reference. Currently developing projects using the swift language development. So the swift

Micro-Credit Payment interaction diagram (i) Micro-Credit Payment interaction Diagram (ii) With their own understanding of the description: (constantly updated ... ） Micro-Letter Payment Flow chart: 1, the completion of payment is mainly

In the program if you need to monitor the status of the phone, you can introduce the Coretelephony framework, this framework contains the telephone-related APIs, can monitor incoming calls, look at operator information and other functions. The

This is an introduction to the Strategy Model (strategy pattern), which is a relatively simple pattern. It is also called the policy model (Policy pattern). The strategy pattern uses the object-oriented inheritance and polymorphism mechanism, and

First, the case demonstration This case demo demo is a home page carousel case, support manual carousel and automatic Carousel. Knowledge points are mainly concentrated in the use of Uicollectionview and Nstimer. Ii. Knowledge Reserves 2.1,

The example of this article introduces the iOS clock development process, for your reference, the specific contents are as follows The idea is to use calayer implicit animation to achieve. Because the UIView layer, which is a manually created layer,

In the graphical interface programming, the first problem to solve is how to associate the static interface with the code, or how the code and the object on the interface Communication, how the code operates on an object on the interface. On the

This example for you to share the iOS custom keyboard switching code, for your reference, the specific content as follows The specific code is as follows -(void) viewdidload {[Super viewdidload]; Do no additional setup after loading the

When doing iOS development, often use to plist files, that plist file is what? It is the full name of the property list, which is a file for storing serialized objects. The property list file has a. plist extension, and is therefore often referred

IOS development-UI (9) UITableView search function,-uiuitableview Knowledge point: 1. UITableView search function ====================================== UITableView search 1. UISearchController Search Controller @ Property (nonatomic, strong)

Swift and OC mixing and SwiftOC Mixing Swift is quite popular when it comes out, but there are still many third-party libraries that do not support Swift. I personally feel that Swift still has a long way to go. And even the founders of Swift have

Said goodbye to March 2016, continued my security development, and said goodbye to development in May 2016 At the beginning of 16 years, I switched to a security-related company. since I joined the company, I have been solving various unimaginable