how to download ios 10 3

iOS Development Web Chapter-File Download (one • unreasonable)One, small file downloadIf the file is small, the download method will be moreDirectly with NSData's + (ID) Datawithcontentsofurl: (nsurl *) URL;Philip? Nsurlconnection send an HTTP request to downloadIf you are downloading pictures, you can also use the Sdwebimage frameworkSecond, sand box1. In the Fi

Nsurlsession1. Steps to use1> 获得NSURLSession对象2> 利用NSURLSession对象创建对应的任务（Task）3> 开始任务（[taskresume]）2. Get Nsurlsession Object1> [nsurlsession sharedsession ] 2> nsurlsessionconfiguration *cfg = [ Span class= "hljs-variable" >nsurlsessionconfiguration ]; self . session = [nsurlsession sessionwithconfiguration:cfg delegate:self delegatequeue : [nsoperationqueue mainqueue ]; 3. Task type1> Nsurlses

iOS Development Network Chapter-File download (four • Pause and resume)One, Range simple descriptionYou can specify the size of each packet to be downloaded from the network by setting the request header rangeRange Examplebytes=0-499 from 0 to 499 of the first 500 bytesbytes=500-999 from 500 to 999 of the second 500 bytesbytes=500- All bytes since 500 bytesbytes=-500 last 500 bytesbytes=500-599,800-899 Spec

IOS development-UI (10) Use UIScrollView and UIPageControl,-uiuiscrollview Knowledge point: 1. Use UIScrollView 2. Use UIPageControl @ Interface RootViewController () ====================================== Use UIScrollView 1. Create UIScrollView 2. Common attributes 1) scroll content size @ Property (nonatomic) CGSize contentSize // instantiate a rolling view UIScrollView * scrollView = [[UIScrollView allo

Well, after these days of study, my first iOS app, Diary is finished, write a diary below, record the knowledge learned and need to continue to learn the place.1, first of all viewcontroller, must add two Protocols Uitableviewdatasource and Uitableviewdelegate must implement the two methods of these two protocols,TableView Numberofrowsinsection and TableView Cellforrowatindexpath, the former returns the number of rows the latter sets the line contents

------Structure and classification of the programThe structure of the program has three types, respectively:1, sequential structure: A simple program structure, he has a number of sequential steps to perform the processing of the composition.Program Flow statement 2--Statement 3--....2, Branch structure: The program encountered some conditions to judge, the process according to whether the conditions are set up by different flows.Figure Branching Stru

implementation://sink all bricks in level to step, then create new step-line bricks above.-(void) Sinkbricksandcreatenewrows: (Nsinteger) step{//Save the Y value of the highest row bricks in the current level NsintegerHighestrowbricky =0; for(inti =0; I for(Brick *brick in _bricks) {if(Highestrowbricky = =0) {Highestrowbricky = Brick. Position. Y; } [ SelfSinkonebrick:brick]; }//Create a new row of bricks in the original highest row[ SelfCreateonebrickrow:highestrowbricky]; H

); /** * Using the ChangeColor defined above to declare a block, the block declared must comply with the requirements of the Declaration. */ @property (nonatomic, copy) ChangeColor BackgroundColor; @end -(void) TouchesBegan: (nssetuitouch *> *) touches withevent: (uievent *) event{//declares a color UIColor *color = [ Span class= "hljs-built_in" >uicolor Redcolor]; //with the block just declared to modify the background color of the previous interface self.backgroundcolor (c

Http://www.cnblogs.com/wendingding/p/3947550.htmliOS Development Network chapter-Multi-threaded breakpoint DownloadDescription: This article describes multi-threaded breakpoint downloads. The project uses Apple's own class to enable multiple threads to download a larger file at the same time. Because the implementation process is more complex, the complete code is posted below.Implementation ideas: Download

Http://www.cnblogs.com/wendingding/p/3947550.htmliOS Development Network chapter-Multi-threaded breakpoint DownloadDescription: This article describes multi-threaded breakpoint downloads. The project uses Apple's own class to enable multiple threads to download a larger file at the same time. Because the implementation process is more complex, the complete code is posted below.Implementation ideas: Download

HTTPSBecause of a Web page download, Apple needs to use the HTTPS protocol for security purposes, so at this point the server developer will configure the HTTPS protocol, the configuration processI said, Baidu a lot, but when the configuration must let them understand, not casually get a self-signed digital certificate can be, Safari is impossible to verify through. So we have to go to a qualified CA agency to apply for a certificate, here is recomme

(with) the parameter[P test:@ "123"]; Equal to the following (SEL's creation sel s =@selector (test:); )[P performselector: @selector (test:) withobject:@ "456"];1>Turn the string into Selsel s=nsselectorfromstring (@ "name");2>Change the Sel object to a string NSString object_cmd represents the current method ([email protected] (test); )nsstring *str = Nsstringfromselector (@selector (test)); NSString*str =Nsstringfromselector (_cmd); add: There is a hidden SEL data inside each method: _cmd (S

isprefetchingenabled attribute.13,ios10 Uiscrollview New Refreshcontrol PropertiesUiscrollview added the Refreshcontrol property@property (Nonatomic, Strong, nullable) Uirefreshcontrol *refreshcontrol Ns_available_ios (10_0) __tvos_prohibited;This means that both Uicollectionview and UITableView support the Refresh function.We can also use Uirefreshcontrol out of Uitableviewcontroller.Swif3.0 New scope access level FileprivateThere are currently the following access levels: Open (publi

1 iOS multi-image download, download images in cell, Cache optimizer. 2 3 (App.icon is the image address)4 5 //Take the picture out of the memory cache first6UIImage *image =Self.images[app.icon];7 if(image) {//There are pictures in memory8Cell.imageView.image =image;9}Else{//no pictures in memoryTen //Get

picture data = [NSData Datawithcontentsofurl:[nsurl URLWithString:app.icon]]; cell.imageView.image = [UIImage imag Ewithdata:data]; Save in memory Self.imgcache[app.icon] = cell.imageView.image; Write the picture data to the sandbox [data writetofile:file atomically:yes]; } return cell; } These two methods are the methods that UITableView must implement The first is to return the amount of data, nothing to say The second one is binding data The detailed process looks at the following figu

Hi All:on time for a week of iOS essence content, the effect of the multiplier is not good? Also, there are children's shoes in worry about money enough how to download the code you want? Take a look at the Guide bar ~Http://www.code4app.com/thread-7591-1-1.html"One week boutique source"[iOS Fine source] Open source project--"See the"

it;Uibarbuttonsystemitemtrash: Image button with a trash bin on it;Uibarbuttonsystemitemplay: Image button with a play icon on it;Uibarbuttonsystemitempause: Image button with a pause icon on it;Uibarbuttonsystemitemrewind: Image button with a rewind icon on it;Uibarbuttonsystemitemfastforward: Image button with a fast forward icon;5, therealization of Uibarbuttonitem events1- (void) Leftbuttonaction: (uibarbuttonitem*) leftaction{2 3Uialertview *leftalert = [[Uialertview alloc] Initwithtitle:@

Recently, Somasegar, vice president of Microsoft Development Platform Division, announced that the official version of Visual Studio 2015 and. Net 4.6 is now available for download! Since last November, Microsoft has come up with a vision to develop technology that enables all developers, no matter what platform they develop, to use Visual Studio and. NET technology to dramatically increase their productivity. While Visual Studio 2015 and. NET 4.6 are

Introduction to network data download and JSON parsingIn this article, I'm going to introduce you to any JSON-formatted data in iOS that uses nsrulconnection to download data from the Web, and how to display asynchronous downloads of data and images.The relevant knowledge points1.NSRULConnection of asynchronous downloads and encapsulationParsing of 2.JSON formats

Original address: opencv for iOS Study Notes (10)-mark detection Summary If you keep following our tutorial, you can run the program as follows: Even if we do not use a three-dimensional rendering engine for visualization, we have obtained all the necessary data. Let's sum up what we get: 1. One frame from the bgra format of the camera 2. Correctly used as the pivot projection matrix for Ar Scene Re