IOS

IOS UIView animation details Currently, many animation frameworks can be used in iOS development, including Apple's CoreAnimation framework and Facebook Pop, which are indeed a tool for programmers. But what if we just want to implement some simple

Ios test basis 4: crash log analysisAnalyze and parse the crash log of the iOS application crash to obtain the suspicious code, precise to the class and code line; 1. first, get the crash log after the crash on the phone. There are many methods.

(No. 00003) iOS games simple robot projection game forming notes (21) Return to Xcode and add the collision protocol to the MainScene. h Interface: @interface MainScene : CCNode //...@end Then enable the collision proxy in the MainScene. m

Thread (concurrent mutex synchronization parallel multithreading asynchronous), mutex Multithreading 1. Concurrency: in the operating system, several programs in a period of time are between started and running, and these programs are all running

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

(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:

IOS program error: reason: [NSArrayI addObject:]: unrecognized selector sent to instance, nsarrayiaddobject   * ** Terminating app due to uncaught exception 'nsinvalidargumentexception ', reason:'-[_ NSArrayI addObject:]: unrecognized selector

WGAFN _ network monitoring technology in iOS Third-party AFNetworking/SVProgressHUD is required No can follow my weibo private letter I. http://weibo.com/hanjunqiang   AppDelegate. m   #import AFNetworking.h#import SVProgressHUD.hCode implementation

IOS development-SQLite database (CRUD)Data storage in iOS Plist (NSArrayNSDictionary)Preference (Preference NSUserDefaults)NSCoding (NSKeyedArchiverNSkeyedUnarchiver)SQLite3Core DataSQLite Introduction What is SQLite?SQLite is a lightweight embedded

Use Masonry to build a special layout and compare it with xib. Previously, only a relatively small number of contacts with Masonry. Most of the layout s in the project are combined with the AutoLayout in the xib with the frame computing of the hand

Basic knowledge of IOS development-fragment 24, basic knowledge of ios-Fragment 1: compatible with the font size 6 plue and the following differences #define FONT_COMPATIBLE_SCREEN_OFFSET(_fontSize_) [UIFont systemFontOfSize:(_fontSize_ *([UIScreen

Solution to Blurred Image Browsing under ios9 (ALAsset. thumbnail fuzzy) In ios9, photo browsers implemented using the ALAsset method all have the problem of photo blurring. However, most open-source photo browsers can be found using this framework.

IOS-how to integrate iOS9 3D Touch, ios-ios91. preface with the arrival of 6 s, 3DTouch was rapidly popularized by various popular apps. After the bloggers personally experience it, they found that the ease of use was greatly improved. Then they

Use Reachability in iOS to detect network and iosreachabilityUse Reachability in iOS to detect NetworksContent prompt:Offline mode (Evernote) is provided ). Then you will use the Reachability for network detection. The purpose of this article is to

Implement tableview pull-down refresh and tableview pull-down refreshImplement drop-down refresh of tableviewRecommended third-party pull-down refresh code http://code4app.com/ios/%E5%BF% AB %E9%80%9F%E9%9B%86%E6%88%90%E4%B8%8B%E6%8B%89%E4%B8%8A%E6%8

NSFileManager and NSFileHandle of IOS, nsfilehandle The number of temporary cache files for mobile apps in the current stage is gradually increasing. In app development, there are more and more operations on mobile device files. In IOS, file

Differences between NSString and SwiftString and nsstringstring Now there are more and more Swift projects, and you may often see str as NSString or str as String switching between the two, because some operations are more convenient with the OC

Filters and regular expressions (NSPredicate, NSRegularExpression) and nspredicate Regular Expressions in iOS Reference: http://www.cocoachina.com/industry/20140321/8024.html NSPredicate Cocoa provides an NSPredicate class to specify filter

Download ASIHTTPRequest and asihttprequest ASIHTTPRequest is a very useful open-source HTTP access project. It is very convenient to use and can effectively reduce the amount of code. it provides powerful functions such as asynchronous requests,

There is no NavigationBar to a pitfall when there is a NavigationBar view switch, navigationbar View NavigationController is the most common in iOS apps. It can be said that it is essential for every App. Since iOS7, the system's built-in