IOS

OC, oc LanguageSix modules of AFN NSURLConnection further encapsulates NSURLConnection, including the following core classes: AFURLConnectionOperation AFHTTPRequestOperationManager AFHTTPRequestOperation NSURLSession, the main

By default, the text color of the iOS7 status bar is black, and the item needs to be changed to white ., Ios7 text color   1. In Info. plist, set UIViewControllerBasedStatusBarAppearance to NO2. If you want to change the status bar color  In

Swift: Regarding closures and functions, swift Functions When you call a function with the closure parameter: Function implementation: When the closure is a parameter, there is a type of return value for the parameter; When the closure is called,

(No. 00002) prototype of iOS game genie war (IV) Open MainScene in Xcode and add the initialization Code as follows: -(Void) didLoadFromCCB {NSAssert (_ sprite1, @ _ sprite1 must not nil); _ physics. debugDraw = YES; _ sprite1.position = ccp (0.4,

(No. 00002) prototype of iOS game genie war (8) The first two articles of the bullet initialization work are basically done. The following describes how to take a bullet. Generally, when a bullet is directed to a target object, a straight line is

[Reading Notes] iOS network-Understanding error sources, Reading Notes ios error sources It takes only several hundred milliseconds to consider how a byte is sent from a device to the transport server and how the remote server receives the byte,

IOS string processor _ Replace (remove space line breaks), intercept, and ios line breaks The following code mainly implements: 1. Extract the string before "@"; 2. Remove "#" from the string; 3. Remove spaces and line breaks from the string. Hope

OC, oc Language # Data Interaction format The data that the server returns to the user is usually in the following two ways: JSON XML JSON A lightweight data format that is smaller than XML and is usually used by the server to

Differences between BOOL and bool in OC language: ocbool 1. Different Types BOOL is int type; Bool is boolean;   2. Different Lengths Bool has only one byte; The BOOL length depends on the actual environment. Generally, it can be regarded as 4 bytes;

Not long ago, a swift project used uicollectionview to load images with sdwebimage. In the case of a sharp increase in memory and a direct crash, the solution was briefly described ., Swift uses sdwebimage 1. First, in the appdelegate method

Weekly essays-15.11.02 and essays-15.11.02New knowledge point record for one week (15.11.02) 1. Create a tableViewCell on the storyboard Create a tableView on the storyboard. Use UITableViewController as the container, and use UIViewController as

IOS custom control development, ios custom control Work needs: Recently I am working on iOS charts. I found many third-party libraries that could not achieve results, so I decided to write a control myself.#0 goals I hope to write a general chart

OC, oc Language I. block 1> basic usage It is equivalent to a code block used to store code. High Efficiency Parentheses can be omitted if no parameters exist. 2> similarities between block and Function Code can be saved Possible return

IOS 2D plotting (Quartz 2D) Overview   Recently I have been studying custom controls. to thoroughly customize the views of controls, I still need to inherit the UIView. Although I am very familiar with CALayer and its subclass, however, the

Comprehensive parsing of multithreading in iOS development   I. Basic concepts of Multithreading 1. ProcessA process is an application running in the system. Each process is independent, and each process runs in its dedicated and protected memory

AFNetWorking simple usage, afnetworking // Network POSt requestAFHTTPRequestOperationManager * manager = [AFHTTPRequestOperationManager];// Set the format for receiving data[Manager. responseSerializer setAcceptableContentTypes: [NSSet

TextView text mixing, textview text -(Void) layoutSubviews {skContentView. backgroundColor = self. backgroundColor; skContentView. frame = self. bounds; attributes * string = [[NSMutableAttributedString alloc] initWithString: @ "123456789101112

Basic use of swift-UITableView, swift-uitableview If you don't talk much about it, paste the code I wrote today: If you don't understand anything, you can send me an email. // // SingleInfo. swift personal information // Housekeeper // // Created by

Swift-basic use of notifications, swift-Use of notifications // Use of notifications 1. Send a notification. (Take this notification as an example. The notification name is nickNameNotification. The notification parameter is title)

IOS gradient layer CAGradientLayerI. attribute description in the CAGradientLayer class CAGradientLayer inherits CALayer, mainly including the following attributes: 1. @ property (nullable, copy) NSArray * colors; gradient color 2. @ property