IOS development-common Xcode shortcuts

IOS development-common Xcode shortcuts Among all the shortcuts in Xcode 6, the following should be learned first. After you learn how to use them, you may not need them anymore. Xcode navigation shortcut 1. Project Navigator: Command + 1 Allows you

Fuzzy search for IOS address book

Fuzzy search for IOS address book 1. Get the address book first -(Void) ReadAllPeoples { [ContactsremoveAllObjects]; ABAddressBookRef addressBook = abaddressbookcreatewitexceptions (nil, nil ); Dispatch_semaphore_t sema = dispatch_semaphore_create (

Iosapp design for the network layer of iOS apps

Iosapp design for the network layer of iOS apps In iOS development, it is common to request network data and process the obtained data. However, there is very little information about which layer of MVC should be used for network processing. I

IOS obtains device information

IOS obtains device informationGenerally, IOS obtains device information through the methods of UIDevice, UIScreen, NSBundle, and NSLocal. If you want to obtain the memory and processor information of the device, it seems that you can obtain

IOS development-log printing (common)

IOS development-log printing (common) Q: How do I print the current function and row number? A: Some pre-compiled macros can be used as printing parameters to print the current function and row number. For example: NSLog(@"%s:%d obj=%@", __func__, __

IOS timeline implementation, iOS timeline implementation

IOS timeline implementation, iOS timeline implementation Recently, the project needs to have a timeline, and there are few examples of timeline in iOS. I will share my examples and ideas with you to learn together. The specific implementation result

IOS code to modify the volume

IOS code to modify the volume Recently, in a project, the user needs to automatically adjust the volume to a certain value after opening the APP. So I studied it. I have previously done research on iOS sound. Apple has strict control over iPhone

Magical record (based on coredata) for ios data persistence)

Magical record (based on coredata) for ios data persistence) After seeing magical record, I tried it and found it useful, Magic Record is an open-source class library written by Saul Mora to make Core Data easier to use. The development of this

IOS UIWebView cannot determine the actual height of the web page

IOS UIWebView cannot determine the actual height of the web page @ Interface IndEditorDetailViewController () {UIWebView * _ webView; progress * _ progressView; NJKWebViewProgress * _ progressProxy;} @ end @ implementation progress-(void)

IOS-integrated game center (leader board)

IOS-integrated game center (leader board) The leader board in the game center has been used again recently. In fact, this is very simple, but it is easy to forget. So I plan to write it down. Create an app on iTunes Connect and enable game

Ios (CoreAnimation core Animation 1) CABasicAnimation animation and anchor

Ios (CoreAnimation core Animation 1) CABasicAnimation animation and anchor I. position and anchorPoint Position: used to set the position of CALayer in the parent layer, starting from the upper left corner of the parent layer (0, 0) AnchorPoint

NT_iOS note-add text background color (search highlight) in CoreText)

NT_iOS note-add text background color (search highlight) in CoreText)   Full-text search in CoreText requires that the search results be highlighted. This is a common practice. You can use UILabel to directly display the search results in the search

IOS adds GOOGLE ads for 2 minutes

IOS adds GOOGLE ads for 2 minutes There may be a lot of water in China regarding advertising, so the data goes up. 1. Add the following framework CoreMedia. framewordk, CoreTelephony. framewordk, AudioToolbox. framewordk, MediaPlayer.

[IOS development] sorting of arrays in Linq

[IOS development] sorting of arrays in LinqLinq To Objective-C   Original article address: www.bkjia.com Bringing a Linq-style fluent query API to Objective-C. This project contains a collectionNSArrayAndNSDictionaryMethods that allow you to execute

Ios (Quartz 2D drawing) Various plotting methods and camera usage

Ios (Quartz 2D drawing) Various plotting methods and camera usage   I: For more information, see www.bkjia.com. The following describes how to use Quartz 2D drawing to implement the graphic board function. In the. m file, dog is implemented as shown

IOS development-pass the value through the Protocol and the Delegate agent (Delegate)

IOS development-pass the value through the Protocol and the Delegate agent (Delegate)Because Object-C does not support multi-inheritance, it is often replaced by Protocol. Protocol can define only one set of public interfaces, but it cannot provide

Design Adaptive Layout for iPhone 6 and iPhone 6

Design Adaptive Layout for iPhone 6 and iPhone 6 Apple started to encourage developers to use Adaptive Layout since iOS6 was added to Auto Layout, but so far, I feel that most developers have been avoiding this problem, whether it is caused by

IOS Runtime notes and iosruntime notes

IOS Runtime notes and iosruntime notes Objective-C language is a dynamic language that enables many static languages to process what they do during compilation and linking. The advantage of this dynamic language is that we are more flexible when

IOS client Coding project record (3): ios client coding project

IOS client Coding project record (3): ios client coding project 18: Fill style of Image view _ ImgView. contentMode = align; as follows: typedef NS_ENUM (NSInteger, UIViewContentMode) {comment, UIViewContentModeRedraw, // redraw on bounds change

Ios development-KVO analysis, ios-kvo Analysis

Ios development-KVO analysis, ios-kvo Analysis  Target: Listen to what is added to the NSMutableArray object   The Code is as follows:C code -(Void) viewDidLoad { [Super viewDidLoad]; Self. dataArray = [NSMutableArray arrayWithObject: @ "1"]; [Self

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