IOS

IOS development: some debugging skills in Xcode7 In Xcode7, Apple added two important debug functions for us. I think it is very practical to introduce it to you. 1. Address Sanitizer: Mom no longer needs to worry about

UIScrollView common attributes and uiscrollview attributesWhat is UIScrollView • the screen size of the device is extremely limited, so the content displayed directly in front of the user is quite limited • when there is more content than one screen,

Introduction, Shao I. Proxy design:   When object A has some behavior and wants to inform object B (let object B become the proxy object of object)   Object B wants to listen to some behaviors of object A (making object B the proxy object of

IOS development: learning notes-variables, attributes, methods, and Implementations 1. Code Description: Person. h Person. h # Import @ Interface Person: NSObject { Int age, sex; // variable definition Int height, width; } @ Property int age, sex;

Category (category) Category-string reverse output     Directory NSString + Reverse. h #import @interface NSString (Reverse)-(NSString *)reverse;@end NSString + Reverse. m # Import "NSString + Reverse. h "@ implementation NSString

How to determine the direction of UIPanGestureRecognizer dragging Recently, you need to use UIPanGestureRecognizer to create a slide menu. You must not drag the menu to the right (click the button to slide right), but you can drag it back to the

Live Broadcast era-IOS live client SDK, glamorous live broadcast [Open Source], and iossdk Currently, live video broadcast is very popular, and live video on mobile phones is also very popular. The live video broadcast thresholds of PGC and UGC are

Use JSQMessagesViewController to create an iOS chat App-Part 1 In this tutorial, I will introduce how to create a simple iOS chat App (using swift and Syncano ). We will start with the most basic functions-sending and receiving messages, saving the

Preparations for iOS IM development (4) use of CocoaAsyncSocket and cocoaasyncsocket I talked about socket in the previous article. I want to talk about how to work in this article. After all, you can use it. In my project, CocoaAsyncSocket is used,

[Code Note] custom Layout for waterfall flow and waterfall Layout The file directory is as follows:     The animation is as follows: 1 // ViewController file 2 3 # import "ViewController. h "4 # import" LYWaterFlowLayout. h "5 # import"

[IOS] Ignored main function, iosmain Function Like any C-based application, the main entry point of the program startup is the main function of the iOS application. In iOS applications, the main function has very few functions. Its main task is to

Analysis view level and view level 1. Method 1:The hidden command is recursiveDescription. You can simply use it to check the view and call recursiveDescription in the view to print its inheritance relationship. Because it is a private method, no

Jiugongge image browser and jiugongge Browser# Import "ViewController. h"# Import "Appfz. h"@ Interface ViewController ()@ Property (nonatomic, copy) NSArray * apps; // File Read@ Property (nonatomic, assign) BOOL B; // determine whether to zoom in

[Code Note] imitation qq space, Song play, imitation qq I ,. 2. Engineering Drawing. 3. Code. RootViewController. h # Import # import @ interface RootViewController: UIViewController {// store the song array NSMutableArray * musicArray; // The

Snoop on Swift programming error handling and exception throw, and snoop on swift In Swift 2.0, the Swift language has made a new design for its error handling. Of course, the re-design results make it easier to use the error handling system. The

IOS debugging skills: How to Debug using LLDB, ioslldbPreface Debugging tracking is required during development. However, although many developers have done many projects, they do not necessarily know which Debugging commands in the development can

Follow when the iOS-NavigationBar gesture returnsFollow when the iOS-NavigationBar gesture returns In iOS development, there are sometimes two interfaces in the development process. These interfaces are connected by UINavigationController, And the

IOS9-by-Tutorials-Study Notes 3: Your-App-on-the-WebIOS9-by-Tutorials-Study Notes 3: Your-App-on-the-Web I have not been able to perform experimental tests due to some restrictions in this article. I just try my best to explain some knowledge in

IOS development Note 11: forms, keyboard occlusion, floating point price formatting, UIPickerView content style modification, View Debugging, debugger1. Form and keyboard occlusion The application scenario is that a collectionView has multiple

How to reasonably create bugs in iOS development and develop bugs in ios What is a BUG? Simply put, the program does not run as expected. I prefer to divide bugs into two categories: Crash No Crash In normal programming practices, it is possible