Ios development-Category, ioscategory

Ios development-Category, ioscategory Category adds a method to an existing class without changing the existing class to extend the function of the class. There are multiple ways to expand class functions. For example, we can extend the functions

In iOS, Reachability is used to detect the network type of the mobile phone. Wi-Fi and 2 3 4G, iosreachability

In iOS, Reachability is used to detect the network type of the mobile phone. Wi-Fi and 2 3 4G, iosreachability If you want to provide a Reeder In the iOS program, or provide offline mode (Evernote) in the absence of a network ). Then you will use

New Features of iOS9 Spotlight use, ios9spotlight

New Features of iOS9 Spotlight use, ios9spotlight 1. What is Spotloight? Spotlight has made some new improvements on iOS9, that is, opening up some new APIs. With the Core Spotlight Framework, You can integrate Spotlight in your app. Apps

IOS9 Spotlight and ios9spotlight

IOS9 Spotlight and ios9spotlight 1. What is Spotloight? Spotlight has made some new improvements on iOS9, that is, opening up some new APIs. With the Core Spotlight Framework, You can integrate Spotlight in your app. Apps integrated with Spotlight

Singleton, Singleton Mode

Singleton, Singleton Mode # Import "NSObjectGCDAsyncSocket. h "@ implementation NSObjectGCDAsyncSocket {GCDAsyncSocket * socket;}/*** Singleton ** @ return */+ (NSObjectGCDAsyncSocket *) defaultSocket {// socket will only be instantiated once

OC, oc Language

OC, oc LanguageIntroduction Each UI control automatically creates a layer (root layer) by default, that is, each UI control corresponds to at least one layer. Each UIView is associated with a CALayer by default. We can call this Layer as the

IOS encryption-MD5 encryption, ios encryption-md5

IOS encryption-MD5 encryption, ios encryption-md5 Let's not talk much about it. Go to the code! In MyMD5.h # Import @ interface MyMD5: NSObject {}+ (NSString *) md5: (NSString *) inPutText; @ end In MyMD5.m # Import "MyMD5.h" # import

Common third-party libraries for iOS and third-party libraries for ios

Common third-party libraries for iOS and third-party libraries for ios  1. AFNetworking lightweight communication library, which is very easy to use. : Https://github.com/AFNetworking/AFNetworking 2, FMDBfmdb is a database management database,

XCActionBar "Alfred in Xcode", xcactionbarxcode

XCActionBar "Alfred in Xcode", xcactionbarxcode : Https://github.com/pdcgomes/XCActionBar   Basic commands: (1) "command + shift + 8" or double-click "command" to open the "Action input box" window 」 (2) "command + option + 7" or double-click the

[Reading Notes] iOS network-test and manipulate network traffic and ios network traffic

[Reading Notes] iOS network-test and manipulate network traffic and ios network traffic 1. Observe network traffic. The behavior of observing network traffic is called sniffing or packet analysis. 1. Sniffing hardware. No special hardware or

Custom uitableviewcell and uitableviewcell

Custom uitableviewcell and uitableviewcell Create a subclass inherited from uitableviewcell Customize the xib style and specify its reuse identifier Configure cell data # Import @ interface CellStyleTwo: UITableViewCell // employee ID @ property (

IOS QR code scan through ZBar ZXing and other third-party libraries, zbarzxing

IOS QR code scan through ZBar ZXing and other third-party libraries, zbarzxing There are many open-source libraries for scanning QR codes, such as ZBar and ZXing.   How to Use ZBar: Download ZBar SDK Address

IOS program error: reason: [NSArrayI addObject:]: unrecognized selector sent to instance, nsarrayiaddobject

IOS program error: reason: [NSArrayI addObject:]: unrecognized selector sent to instance, nsarrayiaddobject   * ** Terminating app due to uncaught exception 'nsinvalidargumentexception ', reason:'-[_ NSArrayI addObject:]: unrecognized selector

HTML parsing in iOS development and HTML parsing in iOS development

HTML parsing in iOS development and HTML parsing in iOS development   Before parsing, add the following third-party classes to the project:   You must add a library for the preceding three classes. The Library is libxml2.2.dylib. You also need to

[Reading Notes] iOS network-underlying network, Reading Notes ios

[Reading Notes] iOS network-underlying network, Reading Notes ios On iOS, there is a library called Core Foundation networking or CFNetwork, which is a lightweight encapsulation of the original Socket, but it quickly becomes very heavy for most

IOS development, calling, sending text messages, opening URLs, and sending text messages to ios

IOS development, calling, sending text messages, opening URLs, and sending text messages to ios 1. Call built-in mail [[UIApplication sharedApplication] openURL: [NSURL URLWithString: @ "mailto: // admin@hzlzh.com"];   2. Call phone [[UIApplication

UILabel adaptive text, making text adaptive and uilabel adaptive

UILabel adaptive text, making text adaptive and uilabel adaptive // UILabel adaptive text height UILabel * label = [[UILabel alloc] initWithFrame: CGRectMake (0,100,300,100)]; Label. numberOfLines = 0; Label. lineBreakMode =

[Reading Notes] iOS network-optimized request performance, Reading Notes ios

[Reading Notes] iOS network-optimized request performance, Reading Notes ios 1. Measure network performance   1. network bandwidth The most common metric for describing wireless network performance is bandwidth. In digital wireless communication,

IOS program cracking-ARM Assembly basics and iosarm Assembly Basics

IOS program cracking-ARM Assembly basics and iosarm Assembly Basics   Here: http://www.cnblogs.com/mddblog/p/4951650.html I. Thumb and ARM commandsThe Thumb command is 16 bits, so the storage code density is high, saving storage space. However, the

IOS --- There was an internal API error, iosinternalerror

IOS --- There was an internal API error, iosinternalerror There was an internal API error. Cause of error: the Product Name is used as the program Name, and the program Name is out of order. Solution: Check the Product Name. Do not include Chinese

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