Xcode project file ". xcodeproj" folder parsing, xcode. xcodeproj

Xcode project file ". xcodeproj" folder parsing, xcode. xcodeproj The project. xcodeproj folder usually contains four files:   The following describes the files related to. xcschemes.1. project. pbxproj file. The Xcode project file is an

[Code Note] iOS-UIActionSheet dynamic Add button, uiactionsheet dynamic

[Code Note] iOS-UIActionSheet dynamic Add button, uiactionsheet dynamic I ,. Ii. Code. RootViewController. h # Import @ interface RootViewController: UIViewController @ end   RootViewController. m // Click anywhere to bring up

Swift knowledge (1), swift knowledge

Swift knowledge (1), swift knowledge Apple canceled the use of oc pointers and other insecure access, and discarded the smalltalk syntax, which was fully changed to the dot syntax, providing a canonical type overload similar to java; First, let's

[Code Note] iOS-Transition animation, note ios-transition

[Code Note] iOS-Transition animation, note ios-transition 1. Engineering Drawing. Ii. Code. RootViewController. h #import @interface RootViewController : UIViewController@end   RootViewController. m # Import "RootViewController. h "# import"

What does Block mean?

What does Block mean? BlockIntroduction Block usage scenarios can be used to pass values on two interfaces, or to encapsulate code as parameters. After using GCD, you will know the subtlety of the Block.   Block is a special data type. It can save a

IOS development-full case study of classification presentation and editing of common messaging apps (Swift) and iosswift

IOS development-full case study of classification presentation and editing of common messaging apps (Swift) and iosswift In the previous blog, we talked about the encapsulation and implementation of common classification controls for messaging apps (

Details about NSCharacterSet and nscharacterset

Details about NSCharacterSet and nscharacterset NSCharacterSet For string processing, it is often used in the IOS ecosystem and is an important component of errors:NSCharacterSet. The following is a detailed explanation:   NSCharacterSetAnd its

IOS local time, UTC time, timestamp, and other operations/get the current year, month, day, iosutc

IOS local time, UTC time, timestamp, and other operations/get the current year, month, day, iosutc // Obtain the current time and convert it to a string -(NSString *) dateTransformToTimeString {NSDate * currentDate = [NSDate date]; // obtain the UTC

DSYM file analysis tool and dsym analysis tool

DSYM file analysis tool and dsym analysis tool Not long ago, the project was successfully released and launched. Recently, the project was optimized and some bugs in online software were excluded, because umeng statistics were used in the project,

[Code Note] iOS-TableViewOfTwoSecton, code note

[Code Note] iOS-TableViewOfTwoSecton, code note I ,. 2. Engineering Drawing. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController{ NSArray * dataArray; NSArray * aboutArray;}@end   RootViewController. m #

IOS git deletes a repository, creates a repository, and submits the combined operation code cloud, iosgit

IOS git deletes a repository, creates a repository, and submits the combined operation code cloud, iosgit HDHaoShaoPengdeiMac :~ Hdhaoshaopeng $ defaults write com. apple. finder AppleShowAllFiles TRUE HDHaoShaoPengdeiMac :~ Hdhaoshaopeng $

[Code Note] iOS-SDWebImage usage, note ios-sdwebimage

[Code Note] iOS-SDWebImage usage, note ios-sdwebimage 1. Engineering Drawing. Ii. Code. RootViewController. m # Import "RootViewController. h "// Add the header file # import" UIImageView + WebCache. h "@ interface RootViewController () @ end @

IOS: Creates notifications, sends notifications, and removes notifications. ios removes notifications.

IOS: Creates notifications, sends notifications, and removes notifications. ios removes notifications.   1. Create a notification. It is best to create a notification in the viewDidLoad method. -(Void) viewDidLoad {[super viewDidLoad]; // create a

Encapsulation and implementation of common category controls (CollectionView + Swift3.0 +) and swiftcollectionview for information apps developed by iOS

Encapsulation and implementation of common category controls (CollectionView + Swift3.0 +) and swiftcollectionview for information apps developed by iOS In today's blog, we will implement the encapsulation of controls that are commonly used in

[Code Note] iOS-removeFromSuper, ios-removefromsuper

[Code Note] iOS-removeFromSuper, ios-removefromsuper Code: RootViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. self. title = @ "removeFromSuperView"; UILabel * tryLabel = [[UILabel

Explanation of Collision Effect of iOS mechanics animation generator UIKit Dynamics, uikitdynamics

Explanation of Collision Effect of iOS mechanics animation generator UIKit Dynamics, uikitdynamics UIKit Dynamic is a new set of classes and Methods Added by iOS7. It can give UIView lifelike behaviors and features without the need to write tedious

Core ML machine learning, coreml Machine Learning

Core ML machine learning, coreml Machine Learning At the WWDC 2017 Developer Conference, Apple announced a series of new machine learning APIs for developers, including visual APIs for facial recognition and natural language processing APIs, these

IOS ---------- define DiskImage, define DiskImage

IOS ---------- define DiskImage, define DiskImage Prompt during real machine testCocould not find Developer Disk Image. What should I do ????   This is because the real machine system is too high or too low, and Xcode does not have a matching

[Code Note] iOS-javasmselecw.mainthread, javasmselector

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Why can't copy or nsmutablecopy be used for NSMutable attribute declaration?

Why can't copy or nsmutablecopy be used for NSMutable attribute declaration? During iOS development, we often declare NSMutable (variable classes, such as NSMutableString, NSMutableArray, NSMutableDictionary, and NSMutableData) attributes, during

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