IOS

ARC Memory leakage and ARC Memory leakage Memory leakage under ARC Memory leakage under ARC. If you need it, refer to it.   IOS provides the ARC function, which greatly simplifies the code for memory management. However, using ARC does not mean that

IOS-how to use Alcatraz to efficiently manage Xcode-Plugin and alcatrazxcode1. Preface I believe many quick plug-ins of Xocde are used by iOS siege engineers. Today I will share with you a software that can efficiently and quickly manage

I recently read cocoaui source code and cocoaui source code. In the first half of this year, a cocoaui library was introduced to build an ios application. It was mainly used to layout the ios interface, and found that a lot of code and workload were

IOS ----- use AddressBook to manage contacts, iosaddressbookUse AddressBook to manage contacts IPhone mobile phones are usually built-in Contacts applications, including the last name, first name, phone number, e-mail address, address, birthday and

Swift-UINavigationController: use of the code-only custom navigation controller and the toolbar at the bottom, ledcontroller Controller Step 1: Customize a class NTViewController, which inherits UITabBarController: /// NTViewController. swift //

OC, oc LanguageOverview Introduction CAKeyframeAnimation is also called a key frame animation. CAKeyframeAnimation is a subclass of the abstract class CAPropertyAnimation. It can be directly used. Specify the animation attributes

Operations on UIImage: operations on UIImage 1. Generate a UIImage object with a specified width (oldImage is the original image object and newImage is the image object after the operation) // Parameter 1: image size parameter 2: transparent (NO

(NO.00003) iOS games simple robot projection game forming notes (10) Open Arm. h and add a new method to its interface: -(void)armShoot; Next we will implement this method in Arm. m: -(void)armShoot{ CGPoint startPoint = [self convertToWorldSpace:

(NO.00003) iOS games simple robot projection game forming notes (2) Open Ai and draw the robot body, arm, and basket as needed: Because it is an experimental game, there is no need to spend too much effort on it to draw out the meaning. although

(No. 00003) simple robot projection for iOS games (V) In the previous article, we created a physical robot object. Next we will look at the corresponding logic code. Go to Xcode and create a new Robot and Arm class, which inherit from CCNode and

(NO.00003) iOS games simple robot projection game forming notes (6) Why do I need to put the code for arm movement in a single method? In fact, this is the version after multiple reconstruction. The original mobile code is placed in the touchMoved

Objective-c series-dynamic type and dynamic binding, objective-c binding /* Static type: The variable type is determined at compilation. Dynamic type: The object type is determined by a structure data in the object's memory, Instead of the Data Type

Network Programming in IOS and network programming in IOS In the mobile Internet era, almost all applications require networks, such as QQ, Weibo, Netease news, Youku, and Baidu maps. Data Interaction and data updating can only be performed with the

IOS development-Where can I update the location information of the custom view subviews? (DrawRect: Or layoutSubviews ?), Subviewsdrawrect For custom, you can add content through addSubview or draw content through Core Graphic.   For the latter,

[Reading Notes] iOS network-optimized request performance, Reading Notes ios 1. Measure network performance   1. network bandwidth The most common metric for describing wireless network performance is bandwidth. In digital wireless communication,

IOS --- There was an internal API error, iosinternalerror There was an internal API error. Cause of error: the Product Name is used as the program Name, and the program Name is out of order. Solution: Check the Product Name. Do not include Chinese

Keyboard occlusion control (textfield/textview...), textfieldtextview The conventional notification method is used. // Solve the problem of keyboard occlusion// Select didShow because the keyboard height is required.// WillHide is selected because

IOS basic UI (9) UIPageControl combined with UIScrollView to achieve paging Effect UIScrollView has been introduced in the previous chapter. Now we use UIPageControl and UIScrollView to implement paging effect. Don't talk much. Please check it out

IOS basic UI (10) UIPickerView and UIDatePicker UIPickerView and UIDatePicker are relatively simple to use. The following is a simple example to learn more about them.  UIPickerView1.UIPickerView attributes   // Data source (used to tell

Simple use of iOS NSNotificationCenter Register the notification in two parts of the project. One is AppDelegate, which simulates the processing of notifications received in the background, and the other is ViewController, which simulates the