IOS

[IOS] CIFilter filter, ioscifilter Filter -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. // filter effect NSArray * operations = @ [@ "photo", @ "CIPhotoEffectChrome", @

[Code Note] iOS-UILabel automatically adjusts the height based on the content. Note ios-uilabel I ,. Ii. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // adjust the height automatically

The NSLog shielding Method for debug and release versions for iOS development, releasenslogA Brief Introduction to the following macros: 1) _ VA_ARGS _ is a macro of a variable parameter. The macro of this variable parameter is added in the new C99

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

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

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

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

Two Singleton mode and two Singleton Mode IOS Singleton has two official methods: (1) do not use GCD # Import "ServiceManager. h" static ServiceManager * defaultManager; @ implementation ServiceManager + (ServiceManager *) defaultManager {if (!

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

[Code Note] iOS-MBProgressHUD, ios-mbprogresshud 1. Engineering Drawing. Ii. Code. AppDelegate. h #import #import "MBProgressHUD.h"@interface AppDelegate : UIResponder{ MBProgressHUD *mbProgressHUD;}@property (strong, nonatomic) UIWindow

Some knowledge points in AFNetworking 3.1.0, afnetworking3.1.0   # POST/GET requests /*! First, you must know that POST requests cannot be cached, and only GET requests can be cached. From a mathematical point of view, the GET result is idempotent,

[Code Note] iOS-JSONKit usage, notes ios-jsonkit 1. Engineering Drawing. Ii. Code. # Import "RootViewController. h "// Add a header file for JSONKit # import" JSONKit. h "@ interface RootViewController () @ end @ implementation

App5 for group buying using imitation handles -- logon interface 2, group buying app5 -- ShareSDK third-party Login Case R. id. login_bottom_iv_qq: Platform qq = ShareSDK. getPlatform (QQ. NAME); authorize (qq); break; case R. id.

The effect of the mask pop-up box and the mask pop-up Custom Package cn. lxsdb. yyd. app. dialog; import cn. lxsdb. yyd. app. r; import cn. lxsdb. yyd. app. constants. appIntent; import android. app. dialog; import android. content. context; import

URL Scheme and openURL, URLSchemeopenURLURL Schemes URL Schemes is a mechanism provided by Apple to jump to a system application or to another application. Data can also be transferred between applications. Set a URL Schemes: select the App project->

[Code Note] iOS-click Add gesture, note ios-click gesture I ,. 2. Engineering Drawing. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController@end   RootViewController. m # Import "RootViewController. h "@ interface

Automatically obtain the SMS verification code and SMS Verification Code 1. Custom listening class /*** Sms listener, used to automatically fill in the Verification Code */public class SMSContentObserver extends ContentObserver {public final String

[Code Note] iOS-DropDownDemo-drop-down button effect, dropdownbutton drop-down box I ,. 2. Engineering Drawing. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController@end   RootViewController. m #import

Complete Context parsing and Context Parsing1. Context typeWe know that Android applications useJavaFor programming, you can think about the biggest difference between an Android program and a Java program? What is the division of boundaries? In