IOS

IOS development database-Overview, ios development overview Data storage concepts: Data structure: Basic objects: NSDictionary, NSArray, and NSSet. Complex objects: relational models, object graphs, and attribute lists. Storage Method: Memory:

Ios generates an image from the view to maintain the definition. # Pragma mark generate an image -(UIImage *) makeImageWithView :( UIView *) view { CGSize s = view. bounds. size; // In the following method, the first parameter indicates the

Gesture monitoring and UI implementation for iOS Xiaomi remote control This article provides an example of a function page similar to the Xiaomi gesture remote control. As follows: The Touch event response is implemented by monitoring the

Add completion button in the lower left corner of iOS8 keypad The core code of the add completion button in the lower left corner of the iOS8 numeric keypad is as follows: -(Void) addDoneButtonToNumPadKeyboard {UIButton * doneButton = [UIButton

Problems with iOS81. Cannot locateTick settings-privacy-positioning service-your app-during use of the app (always)After opening the app and entering the settings, you will find that the application you checked is canceled again (always

[IOS] Use UIRefreshControl to implement UITableView pull-down refresh (Swift Version) First, initialize the relevant data in viewDidLoad: Override func viewDidLoad () {super. viewDidLoad () // Do any additional setup after loading the view. // Add

Priority of several iOS UITableViewCell Methods # Group 1-(Void) setDataDict :( NSDictionary *) dataDict; this method takes precedence. -(Id) initWithStyle :( UITableViewCellStyle) style reuseIdentifier :( NSString *) reuseIdentifier { Self =

IOS Protocol usageThis is a cell, an image placed in the box (there are many images that can slide left and right, I made it with iCarousel, this proxy is written in the Custom cell class ). Now you need to click the image to go to the next page ....

Unified authentication for iOS clients and servers and for ios clients Recently, colleagues in the company made an internal class about in their spare time. me (https://about.me/) site Ocelots, want to come to be a very foreign attention, later with

IOS development and other objects IOS development and other objects Like Java, OC is an object-oriented language. From today on, I am going to systematically learn this object-oriented language oc. I would like to discuss and learn with you any

Detailed explanation of iOS database sqlite for addition, deletion, modification, and query //// CLViewController. m // LessonDatabase // Created by lanouhn on 14-9-19. // Copyright (c) 2014 vaercly@163.com Chen conglei. all rights reserved. // #

Three methods for creating multithreading in iOS (1) // use the NSObject method to create a thread// (This method will automatically open up a background thread, parameter 1: The method executed in this background thread, parameter 2: used to pass

Iphone resolution Ultimate Guide (including iphone 6/6 +) If the text is unclear, right-click the image and save it as "to view the large image after downloading it. ------------------------- Original text and translated text PointsPointAt the

IOS determines whether the bank card number is validIOS determines if the bank card number is valid by Wu xueying + (BOOL) isValidCreditNumber:(NSString*)value { BOOL result = NO; NSInteger length = [value length]; if (length >= 13) {

How to Create a ticket for iOS // YOURCLASSNAME. h @ interface YOURCLASSNAME: NSObject + (instancetype) sharedInstance; @ end // YOURCLASSNAME. m @ implementation YOURCLASSNAME + (instancetype) sharedXXX {static YOURCLASSNAME * _

IOS uses AVCaptureSession to customize the camera For iOS, when we call a camera to obtain photos, we usually call UIImagePickerController to call the camera provided by the system to take photos. This control is very useful. However, sometimes the

Types of CATransition transition animation in iOS development Animation is essential during mobile development. With animation, it seems that our program has a life. animation can make our program interface changes smoother, rather than abrupt.

IOS development tips-custom XCode code snippets There is a saying that smart programmers Know How To Be "lazy" to improve development efficiency. in our daily development, some code snippets are often used. You may think that defining some macros

Gesture Recognition in iOS developmentI feel it is necessary to make a small Summary of Gesture Recognition in iOS development. In the previous iOS-developed custom emoticons keyboard (Component encapsulation and automatic layout) blog, we used a

Gesture Recognition in iOS development and gestures in ios development I feel it is necessary to make a small Summary of Gesture Recognition in iOS development. In the previous iOS-developed custom emoticons keyboard (Component encapsulation and