IOS

Ios Base64 coding and decoding tool and usage, iosbase64 To prevent plaintext transmission of http content, base64 encoding can be used for transmission and decoding by the recipient. This also facilitates binary data string transmission.   For ios,

IOS development-call Objective-C code through Swift Swift, a new programming language developed in iOS recently, has a large response in the iOS development circle. There are many tutorials or small examples at home and abroad. Although the Swift

Dynamic Performance Analysis of Apple Watch UI After reading the keynote of Apple Watch, we were surprised by the large amount of dynamic effects contained in its UI experience. Perhaps because of rendering efficiency and power consumption, the UI

IOS animation AnalysisOverview there are three calling methods for iOS Animation:1. animated code block of UIView2. UIView [begin, commit] Mode3. CABasicAnimation MethodCall the UIView Animation code block [UIView animateWithDuration:timeInterval

Best practices and user guide for deploying any application to mobile users   As enterprises gradually introduce more smartphones, tablets, and mobile applications into the business environment, the Technical Department also began to provide mobile

Common iOS design mode-singleton ModePart 1: Create a singleton object Application scenarios of singleton: The Singleton mode is used when a class can only have one instance. Generally, this Singleton mode indicates a physical device, such as a

Swift basics and practices 1. Same as before 2. Code 1 // 2 // ViewController. swift 3 // SwitfLesson_exam 4 // 5 // Created by Xue yulun on 14-10-7. 6 // Copyright (c) 2014 Dylan. all rights reserved. 7 // 8 9 import UIKit 10 11 class

IOS learning notes -- MapKit In iOS applications, we can use the Map Kit API to develop Map applications. Its core is the MKMapView class. The main function is to display maps, add tags, and track user location changes. (All the content of this log

The OC reflection mechanism obtains all the attributes of this class and creates a data table. The oc reflection mechanism 1. First, we need to know that this uses the runtime reflection mechanism. So we need the header file runtime. h. 1-(BOOL)

Basic operations for adding, deleting, modifying, and querying the FMDN database of the iOS Database FMDB (https://github.com/ccgus/fmdb) is not much to say first to add this library, in will be added, OK preparation work ready code. # Import

IOS tableViewCell click to display the drop-down menu // 1. The specific implementation idea is to add a cell defined by myself under the current cell when a single machine is a Cell. The code below is not to mention, let's take a look at the

Socket-Based C/S network communication (medium) in iOS) Based on the previous knowledge, next we will introduce Socket programming based on the TCP protocol. Because the Socket requires a client and a server, what is implemented now is a simple

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 development-automatic rotation of 90 degrees of images obtained by cameras When I wrote a demo today, I found that if I directly perform operations on the image obtained through the camera, such as cropping and scaling, the original image will

IOS device slide events As long as you touch the screen, slide, and exit from the screen, the system will generate events of the UIEvent object type-of course, including UITouch events-touchesBegan: withEvent: Call method-touchesMoved when the user

Pay attention to the details of setting the view center and size in iOS _ ShowImageView. center = self. center; _ ShowImageView. size = _ showImage. size; NSLog (@ "First: _ showImageView. frame ==%@", NSStringFromCGRect (_ showImageView.

The most difficult game source code in HarestGame history: v2.0 and harestgamev2.0The gorgeous background music and touch screen click operations are suitable for most gamers nowadays. They can jump to the page to set sound effects and archive them.

Explanation of iOS multithreading NSThread, NSOperationQueue (NSInvocationOperation, NSBlockOperation), GCD // Process: an execution activity of a program on a computer. A program is a process. In iOS, an app is a process // thread: The minimum unit

Dynamic computing cell height for iOS development During iOS development, we often use UITableView. When talking about UITableView, UITableViewCell is indispensable. so sometimes we have doubts. How can we make the cell height be dynamically

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