apple ios swift

TableView (Tableview:uitableview, n Umberofrowsinsection section:int), Int {return dataarray.count; } func TableView (Tableview:uitableview, Cellforrowatindexpath indexpath:nsindexpath), UITableViewCell { Let cell = UITableViewCell (Style:UITableViewCellStyle.Subtitle, Reuseidentifier: "Newscell") le T obj:bmobobject = Dataarray[indexpath.row] as Bmobobject Cell.textlabel?. Text = Obj.objectforkey ("title") as? String Let Dateformatter = NSDateFormatter () Dateformatter

iOS Development Swift Chapter-(v) Tuple typesI. Introduction to the type of meta-group1. What is a tuple typeA tuple type consists of n arbitrary types of data (n >= 0), and the data that makes up the tuple type can be called an "element"Example:Let position = (x:10.5, y:20) //position has 2 elements, X, Y is the name of the elementLet man = (name: "Jack") //person only name one elementLet data = () //Empty

Asynchronous Get Mode1 //MARK:-Asynchronous Get Mode2 func asynchronousget ()3 {4 //Create a Nsurl object5var url:nsurl! = Nsurl (string:"http://m.weather.com.cn/data/101010100.html")6 7 //Create Request Object8var urlrequest:nsurlrequest = nsurlrequest (Url:url, CachePolicy:NSURLRequestCachePolicy.UseProtocolCachePolicy, timeOutInterval:Ten)9 Ten //connecting to a server Onevar connection = Nsurlconnection (Request:urlrequest,Delegate: Self) A

Synchronous Post Mode1 //MARK:-Synchronous Post Mode2 func synchronouspost ()3 {4 //Create a Nsurl object5var url:nsurl! = Nsurl (string:"http://m.weather.com.cn/data/101010100.html")6 7 //Create Request Object8var request:nsmutableurlrequest = nsmutableurlrequest (Url:url, CachePolicy: Nsurlrequestcachepolicy.useprotocolcachepolicy, timeOutInterval:Ten)9 TenRequest. HttpMethod ="POST"//Set Request mode to post, default to get One Avar str:string

About //In a storyboard-based application, you'll often want to do a little preparation before navigation the override func Prepareforsegue (segue:uistoryboardsegue!, sender:anyobject!) { the //Get The new view controller using Segue.destinationviewcontroller. the //Pass The selected object to the new view controller. + } - */ the Bayi //MARK:-Uiwebviewdelegate the theFunc WebView (Webview:uiwebview, Shouldstartloadwithrequest request:nsurlrequest, Navigationtype: Uiwebvie

- //set maximum value, default is 100.0 theStepperview.maximumvalue = - + A //set current value, default is 0.0 theStepperview.value = - + - //sets the increment or decrement value, which is 1.0 by default $Stepperview.stepvalue = - $ } - - Overridefunc didreceivememorywarning () { the super.didreceivememorywarning () - //Dispose of any resources the can be recreated.Wuyi } the - Wu /* - //MARK:-Navigation About

Prepareforsegue (segue:uistoryboardsegue!, sender:anyobject!) {94 //Get The new view controller using Segue.destinationviewcontroller. the //Pass The selected object to the new view controller. the } the */98 About - //how the slider value changes the trigger101Func Slidervaluechange (sender:anyobject?)102 {103 //var newslider:uislider = sender as UISlider104 the //May 2015 after 2 revision106var Newslider:uislider = Sender as!UISlider107var value =New

Cabasicanimation Animation1 //cabasicanimation-Opacity2 @IBAction func cabopacity ()3 {4Let animation = Cabasicanimation (keypath:"Opacity")5 6animation!. Fromvalue =1.07animation!. Tovalue =0.08Animation.duration =3.09Self.testImageView.layer.addAnimation (animation, Forkey:"image-opacity")TenSelf.testimageview.alpha=0.0; One } A - //turn on the Clip Subview property - @IBAction func cabexpend () the { - //from small to lower (if the mode attribute is ch

(Frame:cgrectmake (0,0, +, +)) theImageview.image = UIImage (named:"Cellimage.png")113 the the //Create a text label thevar Label:uilabel = UILabel (Frame:cgrectmake ( +,0, the, +))117 //The 1th column returns the value corresponding to the Authorsarray118 ifComponent = =0{119Label.text =Authorsarray[row] - }121 122 //the 2nd column returns the value corresponding to the Appsarray123 Else ifComponent = =1 {124Label.text =Appsarra

Simple JSON data processing1 //Loadweather2 3var url = nsurl (string:"http://www.weather.com.cn/adat/sk/101240701.html")4 //hint no this method????????? 5 //var data = Nsdata.datawithcontentsofurl (url!, options:NSDataReadingOptions.DataReadingUncached, Error:nil)6var data = NSData (contentsofurl:url!, options:NSDataReadingOptions.DataReadingUncached, Error:nil)7 8 9var json:anyobject? = Nsjsonserialization.jsonobjectwithdata (data!, Options:NSJSONReadingOptions.AllowFragments, Error:nil)Ten /**

= AVLAYERVIDEOGRAVITYRESIZEASPECTF Ill layer.frame=self.view.layer.bounds self.view.layer.insertSublayer (layer, atindex:0)//Start capturing video data Session.startrunning ()}//Implement Avcapturemetadataoutputobjectsdelegate member method to process QR code information func C Aptureoutput (captureoutput:avcaptureoutput!, didoutputmetadataobjects metadataobjects: [AnyObject]!, Fromconnection connection:avcaptureconnection!) {session?. Stoprunning ()//Get QR Code informati

(WB3) datas.append (WB4) Datas.app End (WB5) datas.append (WB6) datas.append (wb7) var cell1 = Customcell () cells.append (CELL1) var cell2 = Customcell () cells.append (cell2) var cell3 = Customcell () cells.append (Cell3) v Ar cell4 = Customcell () cells.append (CELL4) var cell5 = Customcell () cells.append (CELL5) var c Ell6 = Customcell () cells.append (cell6) var cell7 = Customcell () cells.append (CELL7)} override Func PreFerredstatusbarstyle (), Uistatusbarstyle {return uistatusb

) (Totalbyteswritten) +var total:cgfloat =(CGFloat) (totalbytesexpectedtowrite) thevar pro:cgfloat = written/ Total -println"Download progress: \ (PRO)") $ } the the //Download Agent method, download offset the func urlsession (session:nsurlsession, Downloadtask:nsurlsessiondownloadtask, the didresumeatoffset Fileoffset:int64, Expectedtotalbytes:int64) { - //download offset, mainly used to pause the resume in } the the Overridefunc didreceivememorywarning () { Abo

I put a bunch of SVG files in front of me, but I used them in bulk and wanted to traverse them directly into a list, so I just went through their names and made their names into an array.var ss:nsstring = Nsbundle.mainbundle (). resourcepath!//6.0.1 modified the request exclamation pointprintln (ss) Var nsfilemange=Nsfilemanager.defaultmanager () var filelist=nsarray.alloc () filelist=nsfilemange.contentsofdirectoryatpath (SS, Error:nil)//effective extraction of non-library files//Filelist=nsfil

Code for implementing stretching at the top of IOS (Swift) page, iosswift // Lazy loading// Lazy var headView: MyHeaderView need to be stretched at the top of the custom view lazy var headView: MyHeaderView = {// let hframe = CGRect (x: 0, y: 0, width: swidth, height: swidth/self. imgRation) // let hview = Bundle. main. loadNibNamed ("MyInfoHeaderView", owner: nil, options: nil )?. First! MyInfoHeaderView /

IOS development-full case study of classification presentation and editing of common messaging apps (Swift) and iosswift In the previous blog, we talked about the encapsulation and implementation of common classification controls for messaging apps (CollectionView + Swift3.0). Today's blog is based on the previous blog. Make a complete information App category display, category switching, category editing.

" PassNumber.layer.borderWidth = 1 PassNumber.layer.borderColor = Uicolo R.lightgraycolor (). Cgcolor PassNumber.layer.cornerRadius = 5 Self.view.addSubview (passnumber) self. Passnumber = passnumber//password back var button = UIButton (Frame:cgrectmake (200, 360, 120, 30)) Uibutton.buttonwithtype (Uibuttontype.custom) button.settitle ("Forgot password", Forstate:uicontroLstate.normal) Button.settitlecolor (Uicolor.lightgraycolor (), ForState:UIControlState.Normal) Self.view.add

=. Scaletofill Self.view.addSubview (Imagechangeview) imagechangeview.startanimating ()} func Cr Eatui () {//ImageView CreateImageView = Uiimageview (Image:uiimage (named:"1.jpg")) Imageview.frame= CGRect (x: -Y: -, Width: $, Height: $) Self.view.addSubview (ImageView)//Modify a pictureImageview.image = UIImage (named:"2.jpg") //get pictures in the catalogLet path = Bundle.main.path (Forresource:"3", OfType:"jpg") Imageview.image= UIImage (contentsoffile:path!)

)}ifRequestType = = . GET {Get(URLString, Parameters:parameters, Progress:nil, Success:success, failure:failure)}Else{post (urlstring, Parameters:parameters, Progress:nil, Success:success, Failure:failure)}} //write successful and failed callbacks separately in two escape closuresFunc request (Requesttype:httprequesttype, url:string, Parameters: [String:any], Succeed: @escaping ([String:any]? ), Failure: @escaping (Error?) ()) { //Successful closuresLet Successblock = {(Task:urlse

We completed the first iOS applet written with Swift, and today we expand that program to use Uicollectionview.Uicollectionview similar to the GridView in Android can achieve the effect of nine Gongge. first, let's open our story version Main.storyboard drag a collection ViewThe default is to take a collection view Cell, equivalent to our nine Gongge inside the child View, we can drag the control into the c