IOS

IOS Development --- video recording, ios --- recording Today I have studied how to use the app to record videos. It seems quite simple. The AVFoundation framework is used, and the code is too dead. Just call it by step. Share the Demo steps today 1.

IOS CoreText. framework --- basic usage   The most common types of CoreText frameworks are as follows:   CTFont CTFontCollection CTFontDescriptor CTFrame CTFramesetter CTGlyphInfo CTLine CTParagraphStyle CTRun CTTextTab

Ios development-UI-UITableView and a small instance, ios-ui-uitableview [Note] reprinted, please indicate the source of blog Park-eat Tang sick Wukong http://www.cnblogs.com/hukezhu/ In IOS, the most common way to implement table display is to use

Meanings of keywords such as assign, copy, and retain in iOS Assign: simple assignment without changing the index countCopy: Create an object with an index count of 1 and release the old object.Retain: Release the old object, assign the value of the

Quick gif animation creation method (with tools) and gif Creation Method Currently, images are often referenced during blog or wiki writing, especially when the client is often related to pages. However, an increasing number of effects cannot be

IOS certificate Bug and ios certificate bug Symptom: The identity used to sign the executable is no longer valid Please verify that your device's clock is properly set, and that your signing certificate is not expired. Your signing certificate

[Code Note] Click on the vertex to bring up another small interface, note Vertex I ,.   2. File directory. 3. Code. RootViewController. h #import @interface RootViewController : UIViewController{ UIView * _huiView; UITableView *

There are several methods and usage scenarios for iOS latency execution, and ios latency I recently learned several methods for delayed execution. I will share with you the. 1. Using mselector (NSObject) method 2. nstject method 3. GCD Method 4.

Overall IOS project level building and ios level building When creating an IOS project, if there is a clear hierarchical architecture, it will be helpful for future code maintenance or function expansion; this article will show some of my views on

NSURLSession download and nsurlsession background download Ios7 introduces NSURLSession, which supports new network operations related to the background: 1. Background upload and download;2. network operations can be paused and restored without

[Reading Notes] Slide effect, Reading Notes slide I ,. 2. Engineering Drawing. 3. Code. AppDelegate. h # Import // Add the header file # import "PPRevealSideViewController. h "@ interface AppDelegate: UIResponder @ property (strong, nonatomic)

(NO.00003) iOS games simple robot projection game forming notes (15th) Open the Robot. h file in Xcode and add the following two methods: -(Void) moveArm :( MoveDirection) direction;-(void) armShoot; Implement these two methods in Robot. m:

Xcode Global breakpoint, xcode global 1. switch the navigator View to the breakpoint navigator view. You can also use the shortcut key "Command + 7". The keyboard is a window-style USER Command key, which is a win key (with Microsoft logo ), click +

Xcode updates, various plug-in adaptation issues, and xcode update plug-in adaptation Every time you update Xcode, you need to add UUID to each plug-in. This is too troublesome. You just need to run a small program.This programRestart Xcode, and the

In iOS, FMDB third-party SQLite database UI_20 1. What is FMDB? FMDB is an SQLite database on iOS platform, but it encapsulates SQLite statements in C language in the OC mode and is more object-oriented.   2. advantages of FMDB: 1. it is more object-

It's fun to move the ios app after a layer is painted ., Layerios Usage: key frames are used. Tutorial purpose: to allow the upper layer sub-layer to move along the lines on the other sub-layer. That is, after the line is drawn, the image begins to

Screenshot method after iOS development diary 19-7.0, screenshot of ios diary 19-7.0 Today, the blogger has a requirement for screenshots and has encountered some difficulties. I would like to share with you the hope that we can make common progress.

OC basics -- passing parameters of objects between methods, oc -- Description: U. S. soldiers fought for help after they took Hanyang Building 5 bullet clips (5 bullets in each clip) and carried them together Class: Soldiers: Attribute: name (_ name)

IOS development diary 8-MD5 encryption, ios diary 8-MD5 Today, the blogger has a password encryption requirement and has encountered some difficulties. I would like to share with you the hope to make common progress. MD5 encryption and SHA-1

[Learning notes] [OC language] The first OC program, learning notes oc 1. # purpose of import:1> like # include, copy the file content2> automatically prevents duplicate copies of File Content 2. # import NSObjCRuntime. h contains the NSLog function