IOS solves the problem of timer and location update stop after the app enters the background. ios Timer

IOS solves the problem of timer and location update stop after the app enters the background. ios Timer Because the iOS system runs in "pseudo-background" mode, when you press the HOME key, if the program does not perform any operation, the

Use of assertions in iOS development-NSAssert (), iosnsassert

Use of assertions in iOS development-NSAssert (), iosnsassert   Link: http://blog.csdn.net/univcore/article/details/16859263 Assertion refers to the code used during development that enables the program to perform self-check during runtime (usually

Similar to the Spring framework to implement dependency injection in OC, springoc

Similar to the Spring framework to implement dependency injection in OC, springoc If you have used the Spring framework in Java EE development before, you must be familiar with dependency injection. Dependency Injection (DI: Dependency Injection) is

Cocoapods deletes the third-party libraries of the imported project and removes cocoapods and third-party cocoapods from the project.

Cocoapods deletes the third-party libraries of the imported project and removes cocoapods and third-party cocoapods from the project.The first section describes how to delete a third party that has been configured by cocoapods in the project. 1.

IOS custom UIView and iosuiview

IOS custom UIView and iosuiviewIOS generally uses several methods to customize the UIView. 1. Custom View of the stored code of the inherited UIView 2. Use the custom View with xib and code 3. Save the custom View of xib (which does not require

Gestures, gesture pictures

Gestures, gesture pictures Effect   Details 1. UITouch # Import "ViewController_0.h" @ interface ViewController_0 () @ property (nonatomic, strong) UILabel * label; @ end @ implementation ViewController_0-(void) viewDidLoad {[super viewDidLoad.

Implementation of iOS timer NSTimer, CADisplayLink, and GCD3, and quartz Timer

Implementation of iOS timer NSTimer, CADisplayLink, and GCD3, and quartz Timer In the process of software development, we often need to execute a method after a certain time, or always execute a method according to a certain cycle. At this time, we

Obtain the application signature in the code.

Obtain the application signature in the code. Obtain the application signature in the code. public void getSingInfo() { try { PackageInfo packageInfo = getPackageManager().getPackageInfo( "com.atguigu.p2p",

Meituan multi-channel packaging and Meituan Packaging

Meituan multi-channel packaging and Meituan Packaging I. Principles Decompress an Android app package as a zip package and find that adding an empty file under the directory (META-INF) generated by the signature does not require a re-signature.

IOS-Learning: iOS-disabled Touch events and ios-disabled touch events

[Switch] iOS learning: iOS disables Touch events and ios disables touch events In iOS apps, there are sometimes requirements to prohibit applications from receiving Touch (for example, when an animation is ongoing, preventing Touch events from

Enables horizontal and portrait screen switching for Android phones.

Enables horizontal and portrait screen switching for Android phones. In Android, when the screen is switched horizontally or vertically, the lifecycle of the Activity is re-loaded (indicating that the current Activity has been destroyed but loaded

Build an XMPP server [Black Apple system] And a mac10.12xmpp Server Based on MAC10.12 + MYSQL5.7.17

Build an XMPP server [Black Apple system] And a mac10.12xmpp Server Based on MAC10.12 + MYSQL5.7.17 I learned from previous companies that XMPP can be used to build instant messaging apps. Out of curiosity, I learned how to build an XMPP server in

IOS open-source project weekly report 0302, ios open-source project 0302

IOS open-source project weekly report 0302, ios open-source project 0302 The tenth release of the iOS open-source project weekly published by OpenDigg is coming. Our iOS open-source weekly report combines the high-quality open-source iOS projects

The implementation of Hybird data driver and Script driver in IOS, ioshybird

The implementation of Hybird data driver and Script driver in IOS, ioshybird Now, there are many articles on the Internet about Hybird. I have recently studied and shared them with you.What is Hybird technology? 1. It generally refers to a technical

IOS development: an example of Affine Transformation

IOS development: an example of Affine Transformation This blog is simple but practical. The example is still implemented using Swift3.0. This blog is an introduction to the next blog, because we will introduce some Extension commonly used in iOS

IOS (linker command failed with exit code 1) Error summary, ioslinker

IOS (linker command failed with exit code 1) Error summary, ioslinker   From: http://blog.csdn.NET/hengshujiyi/article/details/21182813 Note: This error occurs when two files with the same name exist in the project. You only need to delete one file.

IOS development pen questions for a company in iOS, ios pen questions for a company

IOS development pen questions for a company in iOS, ios pen questions for a company   The reference answer is not unique. You can answer the question according to your own understanding, and it is not necessary to answer the question like the author.

IOS (null), & lt; null & gt;, nil, iosnil

IOS (null), , nil problems, iosnilAbstract: Have you ever experienced something like or (null. I have already said this again. Today I will summarize the solutions to this problem. Some time ago, during the development process, some of the

Read Facebook POP Framework notes (1), facebookpop

Read Facebook POP Framework notes (1), facebookpop In this series of articles, I will primarily record my experience reading third-party code and try to analyze and dissect a framework independently. I have read some third-party code before, but in

About RunLoop and runloop

About RunLoop and runloop First, we need to first understand this RunLoop;   The nsunloop is a class in the Cocoa framework, and the CFRunLoopRef class in the Core Fundation. The difference between the two is that the former is NOT thread-safe,

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