IOS

IOS app starts1. main function 2. UIApplicationMain * Create UIApplication object * Create the delegate object of UIApplication 3. when the delegate object starts to process (Listen) system events (no storyboard is available) * after the program is

Convert NSArray and NSDictionary to JSONString, nsdictionarynsarray 1. Convert NSArray to JSONString //NSArray+JSONString.h@interface NSArray (JSONString)- (NSString *)jsonStringWithPrettyPrint:(BOOL)prettyPrint;@end @implementation NSArray

IOS Original Ecological refresh control-UIRefreshControl // // ViewController. m // Code custom cell // // Created by Macon 15/4/18. // Copyright (c) 2015 mac. All rights reserved. //   # Import "ViewController. h" // # Import "myTableViewCell. h" @

UIButton-first knowledge of IOS, uibutton-ios Today, I have learned all the UIButton controls that are frequently used by apps. These are all summarized during my study. I hope they can help beginners in the future, IOS Beginners should not drag and

IOS development language Swift getting started Generally, the first program in the programming language tutorial should print "Hello,> world" on the screen ". In> Swift>, you can use a line of code: println("Hello, world"); If you have written> C>

Svn server for IOS development and svn for ios developmentSvn server for IOS development 1. SVN server address Create an SVN server by yourself. mac 10.9 has svnadmin by default, so you only need to configure it.2. Configure svn 2.1. create a

Animation in IOS-Core Animation and iosanimation I. Basic animation CABasicAnimation 1 // initialization method: CABasicAnimation * cabase = [CABasicAnimation animation]; 2 // you can use keyPath to set the animation attribute. In

ViewController and viewcontroller  1. page Jump1. Use UINavigationController to call pushViewController for redirection. In this way, use the stack pressure and stack exit method to manage the Controller. You can call the popViewControllerAnimated

Multiple unknown parameters in IOS -(Void) setGradientColor :( UIColor *) beginColor transitionColor :( UIColor *) transitionColor,... NS_REQUIRES_NIL_TERMINATION;   // NS_REQUIRES_NIL_TERMINATION, used for non-nil end check during

Use of ios UICollectionView There are two methods to use UICollectionView: one is to inherit UICollectionViewController, which will bring a UICollectionView; the other is to place a view in a common UIViewController. I prefer the second type. The

Configure the background color in iOS hexadecimal format Write an extension for UIColor:   # Import   @ Interface UIColor (color)   + (UIColor *) colorWithHexString :( NSString *) hex;   + (UIColor *) colorWithHexString :( NSString *) hex

IOS UITextField limits the number of input words, iosuitextfield The text box on iOS sometimes requires a limit on the number of words, such as the mobile phone number. The UITextField proxy simply writes a judgment. When the number of words

IOS performance optimization skillsAnalyze performance bottlenecks using static Analyze and runtime Profile tools and optimize performance. Based on the problems encountered during development, You can optimize the performance from the following

IOS status bar StateBar text black and white Control NavigationBar and stateBar must be matched with each other. They must be dark-light or light-dark. However, it is sometimes found that changing the status bar color is invalid:  

OC Implementation of heap sorting and OC Implementation of heap sorting /* We recommend that you first check the heap Adjustment Method and understand the heap adjustment. Even if the sorting algorithm has mastered */-(void) viewDidLoad {[super

IOS Study Notes-UIButton, ios-uibutton UIButtonClass implements a button on the touch screen. A button intercepts touch events and sends an action message to a target object when tapped. Methods for setting the target and action are inherited

An error occurred while running in OC (Unknown class in InterfaceBuilder file.) solution: interfacebuilder For a classroom exercise, the login window of a single view is always smooth, and an error occurs during compilation and running. All the

Ios learning notes memory management, ios learning notes 1. Memory Management Type Definition1. Any C type of the basic type. For example:Int, short, char, long, long, struct, enum, union, etc. are basic types or structMemory Management is invalid

How IOS games interact with GameCenter As the mobile game market continues to expand, game manufacturers active on the IOS platform want to increase players' stickiness, as well as for the future of their games, they have begun to access Apple's

Basic iosGCD usage Sleepy, sleep when it's over. You can understand the benefits of running it. I will not upload it here. You can run it yourself... Good night       # Import "ViewController. h"   @ Interface ViewController () {   UIImageView * _