Block, blockb

Block, blockb // 1 declare block // 2 implement block // 3 call the block // Declare the function pointer // Void (* ptest1) (void) // Declare the block to point to an anonymous Function Void (^ block1) (void ); Int (^ block2) (int a, int B ); Int (^

Objective, objectivec

Objective, objectivec Objective-C Object initialization 1.1 Allocating Objects Allocation is the process by which a new object is born. Allocation is the process of creating a new object. Sending the alloc message to a class causes that class to

Cocos2d-Js BASICS (4) the use of cocostudio in cocos2dx-Js], cocos2dxcocostudio

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UIView position and size, UIView position and size

UIView position and size, UIView position and size   CGRectMake is used when setting the frame property value and CGPointMake is used when setting the center property value.   UILabel * label = [[UILabel alloc] initWithFrame: CGRectZero]; //

Ios lazy Notes application source code, ios lazy source code

Ios lazy Notes application source code, ios lazy source code This source code is the application source code of the lazy note application, and also an application of an online apple App Store. The Lazy note iOS client source code supports speech

Use of iOS UISearchController

Use of iOS UISearchController-(Void) viewWillAppear :( BOOL) animated {[Super viewWillAppear: animated];[Self setTabBarHidden: YES withAnimation: YES];}-(Void) viewWillDisappear :( BOOL) animated {[Super viewWillDisappear: animated];[Self.

IOS multithreading and thread synchronization

IOS multithreading and thread synchronization Generally, we use threads to access the same resource in multiple threads. To ensure the security of thread resources and ensure the correctness of thread access. In IOS, we generally use the following

IOS developed to get all font styles

IOS developed to get all font styles Ios provides many font styles. Sometimes we may use different fonts when developing applications. Through this Demo, We can get all the font styles for us to choose.First, get the font family name, and then get

Cancel button click delay on iOS UITableViewCell

Cancel button click delay on iOS UITableViewCell This phenomenon is not displayed when you touch the button in the highlighted state. The solution is to disable the delay of scrollView. Code: Add the following line to the place where tableView is

IOS-response to the upper, lower, and left sliding gestures

IOS-response to the upper, lower, and left sliding gestures -(Void) viewDidLoad {   UISwipeGestureRecognizer * recognizer; Recognizer = [[UISwipeGestureRecognizer alloc] initWithTarget: self action: @ selector (handleSwipeFrom :)]; [Recognizer

IOS keyboard First Response

IOS keyboard First Response . UIResonder inherits from the Control class for all controls (such as TextBox) in C. The inheritance relationship of the Control class is as follows: System. Object System. MarshalByRefObject System. ComponentModel.

IOS client Coding project record (5), ios client coding project

IOS client Coding project record (5), ios client coding project 1: Modify the style of the navigation bar in a unified manner, in AppDelegate. m -(BOOL) application :( UIApplication *) application didfinishlaunchingwitexceptions :( NSDictionary *)

KVC and setValue: forUndefinedKey: method, kvcsetvalue

KVC and setValue: forUndefinedKey: method, kvcsetvalue During actual development and application, the number of dictionary keys constructed from external data is usually higher than the number of attributes in the Custom Data Model. For example,

Objective-C Foundation framework Example: Looking for Files, objectivec

Objective-C Foundation framework Example: Looking for Files, objectivec Objective-C Foundation framework Example: Looking for Files NSFileManager. The NSFileManager class lets you do stuff with the file system, like create directories, remove files,

High imitation copy ios version of WeChat application source code, high imitation copy ios source code

Source code of a High-imitation ios application, and the high-imitation ios source code Similar to basic functions. XMPP-based instant messaging and dating clients.---- The functions of the first code are as follows ----1. New User

IOS animation and ios animation effect

IOS animation and ios animation effect //// ViewController. m // IOS-animation effects /// Created by wangtouwang on 15/5/5. // Copyright (c) 2015 wangtouwang. all rights reserved. // # import "ViewController. h "# define kDuration 0.7 // animation

IOS uses masonry to Quickly arrange a group of views in the middle width of the superview, masonrysuperview

IOS uses masonry to Quickly arrange a group of views in the middle width of the superview, masonrysuperview     Keycode: /*** Layout several views in the inerview container. ** @ param views viewArray * @ param containerView container view * @

How to Set Up ARC in the new version of Xcode and the new version of arc in xcode

How to Set Up ARC in the new version of Xcode and the new version of arc in xcodeWhen you are just learning IOS development, it is best not to enable ARC to help you learn memory management. However, many users who are new to Xcode may find that

IOS data persistence-plist

IOS data persistence-plist   The previous article mentioned how to use NSUserDefaults to store user preferences. This article describes how to use plist and common files to store structured data, generally, Plist is used to store data that does not

Text Box in UITableView blocked by iOS Soft Keyboard

Text Box in UITableView blocked by iOS Soft Keyboard 1. RegistrationUIKeyboardDidShowNotification/UIKeyboardDidHideNotification notification. -(Id) initWithNibName :( NSString *) nibNameOrNil bundle: nibBundleOrNil {if (self = [super initWithNibName:

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