IOS

Difficulties in loading xib on ios Storyboard, I personally think it is a good thing, but everything is always messy. Personal preferences: Pull complicated local controls (such as custom collectionviewcell) in the xib file. There were a lot of

Web developers and designers must know ten iOS 8 changes.Source: mobilexweb Source: Luo lei (@ Luo luolei) Welcome to share the original article with bole headlines XI dapupben, weeping,XI dang DadWith the release of iPhone 6 and iPhone 6 plus, ios 8

Full version of Inkpad application project source code and full version of inkpad source code A fully functional and effective vector graph rendering App source code. If you have used Adobe's AI software, you will understand some of the

NSFileManager for iOS SDK   NSFileManager provides a convenient method for file operations, including file and directory creation, copying, cutting, and deletion.This article will explain in detail how to perform these basic operations. When using

IOS study notes -- Objective-C memory management, ios -- objective-c By KenshinCui, 17317 read, 6 comments, favorites, EditOverview We know that a large number of objects need to be created during the program running. Similar to other advanced

IOS development-Detects network status (WIFI, 2G/3G/4G)Detect Network Status In network applications, You need to monitor the network status of your devices in real time.Let users know their network status and prevent misunderstandings (such as the

Objective-C Properties, objective-c Objective-C Properties Apple introduced properties, a combination of new compiler ctictivesAnd a new attribute accessor syntax. Apple introduced the attribute concept. New compiler commands and new attribute

UITabBarController (Label bar Controller), uitabbarcontroller I. Basic concepts of the label bar Controller The UITabBarController inherits from the View Controller and manages the View Controller in the form of tag bar items. The view controllers

Delete special characters in NSString in iOS + (NSString *) stringDeleteString :( NSString *) str {NSMutableString * str1 = [NSMutableString stringWithString: str]; for (int I = 0; I You can delete numbers and symbols in nsstring, or modify

Differences between nil, NULL, Nil, and NSNull in iOS 1. nil > Defines the id of a null instance. Define an instance as null and point to the NULL pointer of the object in oc. > Sample code: NSString * someString = nil; NSURL * someURL = nil; Id

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 (^

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 notes (common knowledge points) This is some notes I made when I was working on projects at the company ....... // 1. iphone development-change the color of the dot in UIPageControl PageControl. currentPageIndicatorTintColor = [UIColor

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 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 *)

Singleton, Singleton Mode # Import @ interface Student: NSObject @ property (retain, nonatomic) NSString * name; @ property (assign, nonatomic) int age; // design the standalone mode // + (class name *) shareXXX // defaultXXX // xxx + (Student *)

Color gradient for ios 2D plottingColor gradient for ios 2D plottingColor Space cmyk Printing Industry RGB gradient color: linear gradient, ring gradient linear gradient: the gradient area is the current context, perpendicular to startPoint

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

How to Learn about IOS A colleague asked me how I learned about IOS. I don't necessarily have code for products ~ Sorry, yes, we don't need to. But if we do, we can better communicate with programmers. At least we can understand the same language. I

IOS animation-what? Can AutoLayout still perform animation? Yes. It is clear that AutoLayout can indeed be used as an animation. AutoLayout is used to make various constraints and adapt to different screens. When we change some of these constraints