IOS

Jump to UIViewController in iOS custom View,Jump to UIViewController in iOS custom View Controller redirection in custom View can be implemented in multiple ways:1 use Notification Use Notification to open the Controller to be redirected in the

For ios, I usually have some questions during my own interview. For details, I have some questions about ios. Record the interview questions you have seen at ordinary times, and add the questions you will encounter later. IWhat is the essence of

IOS: transform attribute of UIView and implementation of drag-and-drop view, uiviewtransform 1. Use of the transform attribute of UIView # Import "ViewController. h "@ interface ViewController () @ property (weak, nonatomic) IBOutletUIImageView *

IOS uses multithreading to improve performance, and ios multithreading to improve performance The iPhone will be able to support different types of multi-threaded APIs, including POSIX Threads, NSObject, NSThread, and NSOperation. The iPhone

Ionic optimization (Android) method, ionic android Currently, ionic1 is used in the project. There are two optimization methods: 1. Install the cordova-plugin-crosswalk-webview plug-in to speed up the mobile phone 2. If you just install crosswalk

IOS-UILabel attribute settings and common usage methods, iosuilabelLabel // Create the object UILabel * label = [[UILabel alloc] init]; // framelabel. frame = CGRectMake (100,100,300, 75); // color label. backgroundColor = [UIColor redColor];

IOS-UIButton button event, iosuibuttonUIButton Button event -(IBAction) clickRedButton {// change the text color self. label. textColor = [UIColor redColor]; // modify the text content self. label. text = @ "I am red"; // change the text

IOS-control view and button, ios control viewbuttonIBAction and IBOutlet IBAction is the return value, which is equivalent to void. Only the return value is the IBAction method can be connected to the control in storyboard.Only the property declared

[Reading Notes] iOS-a simple Frenzic puzzle game, ios-frenzic If you decide to use UIView Animation or Core Animation, you must write some test cases to simulate the most demanding Animation that the game may encounter, and do not forget to play

Objective-C Data Encapsulation, All Objective-C programs are composed of the following two fundamental elements: Program statements (code): This is the part of a program that performs actions and they are called methods. Program data: The data is

Some common RACSignal usage and RACSignal usage NSData + RACSupport. h @ interface NSData (RACSupport) // Read the data at the URL using-[NSData initWithContentsOfURL: options: error:]. // Sends the data or the error. // The semaphore that returns a

NSTimer implements the clock callback method and nstimer callback During the development process, it is found that there are many clock calls. Therefore, the clock is encapsulated in a simple and unified manner. The Code is as follows: 1.

Dynamically create Plist files and dynamically create plist filesIntroduction Property List, an attribute List file, which is used to store serialized objects. The property list file extension is. PlistTherefore, it is usually called a plist file.

PageController interface development tutorial in iOS programming development, iospagecontroller In iOS Programming Development, The pageController interface development tutorial is as follows: Project call sequence: 1. initialize the title

[Reading Notes] optimizes iOS Web applications and iosweb I. code optimization: Code optimization is the first step of any optimization technology, because everything on the Web page is built on the code. Excellent code can save bandwidth, reduce

Reflection --> parse JSON data, reflection -- parse json  Method 1 Persons. json File [ { "name": "Chris", "age": 18, "city": "Shanghai", "job": "iOS" }, { "name": "Ada", "age": 16, "city": "Beijing", "job": "student" }, { "name": "Rita", "age": 17,

Under what conditions does ios develop with assign, copy, retain, strong, weak, and assignretain? 1. assign: Basic Types (simple type, atomic type): NSInteger, CGPoint, CGFloat, C data type (int, float, double, char, etc) Assign applies to

Objective-C Log Handling,NSLog method In order to print logs, we use the NSLog method in Objective-C programming language which we have used right from the Hello World example. Let us look at a simple code that wocould print the words "Hello World ":

In the iOS navigation bar, how does one use UINavigationController and switch between pages,Use of the navigation bar NavigationController manages the switch between the Bar at the top of the screen and different uiviewcontrollers. You can drag the

IOS learning-(transfer) NSObject explanation, iosnsobject This article is mainly reproduced from:NSObject for ios development NSObject is the root class of most Objective-C class inheritance systems. This class follows the NSObject protocol and