IOS

Integrate hundreds of echarts3.0 and iosecharts3.0 in iOS # Import "HistoryDateCell. h "# import" HistoryDateModel. h "# import # import "TimeTools. h "# define BTN_BACKCOLOR JdryRGBColorAlpha (25,180,212, 0.2) # define SELECTBTN_BACKCOLOR

IOS solves the problem that headerView does not slide with tableView in tableView, and headerview follows the scroll The solution is as follows: If (scrollView. contentOffset. y> = 0 & scrollView. contentOffset. y ScrollView. contentInset =

Ios random numbers are not repeated. ios random numbersNSMutableArray * Valuearr = [NSMutableArray new]; int counN = 9;For (int I = 0; I {Int value = arc4random () % 9;For (int j = 0; j {NSString * s = Valuearr [j]; // get sWhile ([s intValue] =

IOS text-to-speech (TTS) Explanation: Swift, iostts The previous blog explains the speech recognition function of the iOS speech FrameWork: speech. TTS is simple. It does not have permission settings or a lot of Code. The Code is as follows: Import

IOS dynamic adaptive tag implementation and ios dynamic adaptiveFirst    Design Requirements 1. The label width is adaptive to the content. 2. The number of labels displayed in a row is dynamic. If you put it down, you can just put it. If you don't

Upgrade openssl and macopenssl for MAC The openssl version of mac is as follows: $ openssl versionOpenSSL 0.9.8zh 14 Jan 2016 Check the latest version on github. Use homebrew to install openssl brew install openssl If the openssl version is

# Ifdef, # ifndef, # else, # endif execution condition compilation,The program we developed should not only run on pc, but also on mobile. At this time, the program will execute selective compilation based on the machine environment. For example,

Optimization 2 -- drawing optimization, optimization 2 -- Drawing The onDraw method of the View needs to avoid executing a large number of operations: 1. Do not create new local objects in onDraw. The onDraw method may be called frequently. This

Memory leakage caused by threads and Memory leakage caused by threads Cause Analysis: similar to the reasons in the above cases, we developed an anonymous internal class Runnable, which has an implicit reference to the current Activity. If the

IOS open-source project weekly report 0316, ios open-source project 0316 The 12th issue of the iOS Open-Source Project released by OpenDigg is coming. Our iOS open-source weekly report combines the high-quality open-source iOS projects that

Learn iOS and ios After doing this demo, I feel that OC and swift are quite different. I still want to read more about swift syntax, but I am not very skilled. 1. I used the original project for the resource files of this demo. 2. The "SnapKit"

Learn iOS and ios Continue to make the second copy of others 1. First download some fonts and search for "Word Building Studio" online" 2. Put the downloaded font file into the project, and it will be OK. Not to mention, the effect is as

[Code Note] iOS-custom selection box, code note ios-custom I ,. 2. Engineering Drawing. 3. Code. RootViewController. h #import #import "CYCustomMultiSelectPickerView.h"@interface RootViewController : UIViewController{

Learn iOS and ios Recently, the company's projects were not very busy. By chance, I saw the top 10 Programming Language rankings and swift had ranked first 10. However, the OC rankings were getting better and better, and I felt like I was about to

NSLog () output function set format characters, nslog output function charactersThe powerful functions of nslog () are not mentioned here. I transferred it from c #, and it is inevitable that there will be some strangers. In c #, format ("{0}", xx}

Interface layout tool in iOS-MyLayout Layout Framework, ios-mylayout  Swift: TangramKit:Https://github.com/youngsoft/TangramKit OC: MyLayout:Https://github.com/youngsoft/MyLinearLayout Introduction MyLayoutIs a set of iOS interface view layout

View draw mechanism and Viewdraw Mechanism View:1. draw// Draw a View and its subview. It is best not to override this method. You should override the onDraw method to draw your own.Public void draw (Canvas canvas ); Public void draw (Canvas canvas)

Mutual conversion of time and timestamp in iOS, ios time Conversion // Obtain the timestamp of the current system time # Pragma mark-get the timestamp of the current time + (NSInteger) getNowTimestamp {   NSDateFormatter * formatter =

UICollectionView basics, uicollectionview UICollectionView is often used in iOS development. UIScrollView is the same as UITableView, but operations are more complicated than UITableVIew. In some cases, you need to pay attention to the following

IOS statusBarStyle settings, iosstatusbarstyle The View controller-based status bar appearance attribute is available in the info. plist file of the project. When set to NO, use [UIApplication sharedApplication]. statusBarStyle =