IOS

When multiple timers are implemented on the page, choose NSTimer or GCD? (Dry goods are not wet), nstimergcd The timer is essential for every iOS project, such as the logon page countdown and payment period countdown. Generally, NSTimer is used to

[IOS] UIDynamicAnimator animation, uidynamicanimator Create an animation 1 UIDynamicAnimator *animator = [[UIDynamicAnimator alloc] initWithReferenceView:self.view]; Protocol proxy 1 @protocol UIDynamicAnimatorDelegate 2 3 @optional4 -

[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

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

[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: 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

[Code Note] iOS-javasmselecw.mainthread, javasmselector Code: RootViewController. h #import @interface RootViewController : UIViewController{ UILabel *label;}@end   RootViewController. m -(Void) viewDidLoad {[super viewDidLoad]; // Do any

[Code Note] iOS-nsicationicationcenter, NSNotificationCenter Code: -(Void) viewWillDisappear :( BOOL) animated {[super viewWillDisappear: animated]; // remove notification [[nsicationicationcenter defacenter center] removeObserver: self name: @

Git repository migration and git repository migration 1,Single BranchWarehouse migration $ Git remote-v //Git remoteCommand to list all remote hosts. Use-VFor more information, see the remote host URL. $ Git remote rm origin // Delete the local

[Code Note] iOS-MBProgressHUDDemo, mbprogresshuddemo 1. Engineering Drawing. Ii. Code. RootViewController. h # Import // Add the header file # import "MBProgressHUD. h" @ interface RootViewController: UIViewController {MBProgressHUD * HUD;} @ end

WKWebView is simple to use and wkwebview Recently, I checked WKWebView and recorded my summary for ease of viewing. Note: In my personal summary, there will be deficiencies. I would like to warmly welcome your guidance. 1> CreateImport: # import

[Code Note] iOS-navigation bar title (label), ios-label I ,. Ii. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. [self. view addSubview: [self getTileLabel: @ "Hello! "];}

[Code Note] iOS-JASidePanelsDemo (slide), jasidepanels I ,. 2. Engineering Drawing. 3. Code. AppDelegate. h #import @class JASidePanelController;@interface AppDelegate : UIResponder @property (strong, nonatomic) UIWindow *window;@property (strong,

[Code Note] iOS-iOS image native (Graphics ), I ,. 2. Engineering Drawing. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController@end   RootViewController. m # Import "RootViewController. h "@ interface

Scan function Summary (scan qr code, barcode), scan function summary Barcode The scanning function is based on the native AVFoundation framework of iOS. Let's just talk about the code. #import @interface ScanViewController :

IOS RunLoop and iosrunloop RunLoop is an important concept related to iOS threads. Both the main thread and sub-thread correspond to a RunLoop. Without RunLoop, the thread will be immediately recycled by the system. This article mainly analyzes the

Select Layout-ChooseMoneyLayout for the custom View's GridView single-choice amount. Ideas: The outer control uses the GridView, where each item has a FrameLayout, And the FrameLayout contains the Checkbox and ImageView. The background is added to

You do not need to enter a password for git settings, removing the headache of entering a password for fetch/pull code every time. gitfetch You need to enter the password for https every time. You can enter the password once according to the

Code Note: iOS-ios7 StatusBar, ios-ios7statusbar Code: RootViewController. m # Import "RootViewController. h "@ interface RootViewController () @ end @ implementation RootViewController-(id) initWithNibName :( NSString *) bundle :( NSBundle *)

Time-consuming operations for creating a UI in iOS development and time-consuming ios development ui When there are a series of time-consuming operations such as network requests and read/write operations in the project, in order to avoid blocking