IOS

Gesture Recognition in iOS development and gestures in ios development I feel it is necessary to make a small Summary of Gesture Recognition in iOS development. In the previous iOS-developed custom emoticons keyboard (Component encapsulation and

Pass a value for a single example in iOS To write a class, the function is to pass the value. # Import @ Interface singleton: NSObject + (Singleton *) parse data; @ Property (strong, nonatomic) NSString * value; @ End # Import "singleton. h" @

IOS memory management and ios Memory Management Mechanism Before ios5, there was no ARC, so the memory was manually recycled or autorelisted. The following describes non-ARC conditions. Assume there are two pointers a and B. 1. Keyword asign. Direct

IOS is easy to introduce three scenarios of "loop reference" In my reading, I have summarized four scenarios that are prone to circular references on the iOS platform:1. parent-child mutual possession and delegation Mode [Case ]: @interface

IOS responsive programming framework ReactiveCocoa (RAC) Example ReactiveCocoa is an implementation framework of responsive programming (FRP) in IOS, its open source address is: https://github.com/ReactiveCocoa/ReactiveCocoa#; read several articles

IOS data persistence (archiving and anti-archiving) IOS data persistence (archiving and anti-archiving) Data Persistence is actually to store data on the network or hard disk, which is stored on the local hard disk. The local hard disk of the

Small frameworks commonly used in ios In ios development, it is very troublesome to request the kvc drop-down list image request and other handwritten code, and it is also prone to a series of problems. Now we have sorted out some commonly used

Troubleshooting of Chinese Character garbled characters in asihttprequest requests during ios development First, the background uses a unified UTF-8 encoding. My ios side requests to add members as follows: // After successful login, it can be

IOS parsing lyrics lrcRecently, I learned some things in the Process of playing a music player and wrote it down to share it. First of all, I want to analyze the lyrics. First, let's look at lrc. (If you don't stick a wiki, you may not be able to

IOS gets the cell through the button and iosbutton gets the cell When using tableview, sometimes we need to add buttons and labels to the cell to add a function, in addition, you often need to know the value of the label memory in the cell where the

[IOS 7 Development Notes] tableview uses xib to encapsulate a view. ios7xib1. Create an xib file to describe the internal structure of a view (for example, MJTgCell. xib). 2. Create a custom class. (The custom Class must inherit the view that comes

Display Weibo and IOS Weibo expressions in ios development In the previous blog, I copied Sina Weibo. In later blogs, I optimized and reused the previous Code. In the previous Weibo request, some expressions were not processed, for example, the text

IOS/Objective-C Development dictionary NSDictionary deep replication (use category), iosnsdictionary Objective: to convert an NSDictionary object to an NSMutableDictionary object. The object content is a string array and must be fully copied (deep

Rotating Screen Control Technique of iOS6 In iOS5.1 and earlier versions, we usually useShouldAutorotateToInterfaceOrientation:To independently control the orientation of a UIViewController, such: -(BOOL) shouldAutorotateToInterfaceOrientation :(

Set the background image or navigation to frosted glass in iOS7 1. First import the system library Accelerate. framework 2. Add the header file # import 3. Add the implementation function again as follows: // Blur function. input parameter: image

Explore the impact of sdks of different versions on iOS programs The same Code is compiled using sdks of different versions, which affects the values in the MachO header, so that the program shows different appearances.Code: -

IOS UIPickView + sqlite select all cities in China1. Case Description: by reading files, all Chinese cities are written into the sqlite database. Now UIPickView is used to select all Chinese cities, as shown below:2. City Object Model //// CityModel.

Target-Action in iOS Design PatternTarget-Action (Target-action) mode (aims to decouple the code, reduce the correlation between the code and the code, and facilitate future development and maintenance) Target-Action-a button used in this design

Simple use of iOS_27SplitViewController Finally: Master controller BeyondViewController Inherited from UISplitViewController VcD4KPHA + PC9wPgo8cHJlIGNsYXNzPQ = "brush: java;"> /// BeyondViewController. h // 27_SplitViewCtroller // Created

Two call methods for iOS Method 1 NSString * phone = @ "88888888" If (phone! = Nil ){ NSString * telUrl = [NSString stringWithFormat: @ "telprompt: % @", phone]; NSURL * url = [[NSURL alloc] initWithString: telUrl];