ios file manager

iOS file operations include the creation of files, read-write, move, delete, and so on.1. Creation of files:Set the location where the text box stores the file nsstring *strfilepath=[nssearchpathfordirectoriesindomains (nsdocumentdirectory, Nsuserdomainmask, YES) objectatindex:0];//Specify the file name of the store

:@ "UserPassword"]; [DataList setvalue:logindata forkey:@ "Login"]; [DataList Writetofile:filepath Atomically:yes]; NSLog (@ "modified successfully");　To delete a file: Nsfilemanager *manager=[nsfilemanager Defaultmanager]; File path nsstring *filepath = [[Nssearchpathfordirectoriesindomains (NSDocumentDirectory, Nsuserdomainmask, YES) objecta

The article about sandbox and file operation wrote several, in the process of writing deepened their memories. Today to do a summary, is a sort of knowledge points.Article carding1 iOS development sandbox mechanism (sandbox)This is a basic knowledge of sandbox tutorials. The role of Sandbox is briefly described, and the differences between documents, Library and TMP are introduced. Open the sandbox in two w

Recently when using a demo on the web. There is another troubling question. Is that it has nested projects in it. As shown in. There is also a project nested within the project. It's really an elaborate ...In fact, this problem does not seem to be very difficult, if it is a general project, there are two ways to solve it: I can drag and drop the files inside the nested project. Modify some of the attributes or something that should be used. Another way is to create a static librar

iOS sandbox mechanismiOS applications can only read files in the file system created for the change, not anywhere else, this area is sandboxed, so all of the non code files are saved here, such as images, icons, sounds, images, attribute lists, text files, and so on. Each application has its own storage space Applications cannot go over their walls to access the contents of other storage space

IOS development-image compression/Decompression into a Zip file, ioszipCompressing/decompressing images into Zip files This article describes how to compress an image into a Zip file. First, you need to download the third-party library ZipArchive and import it to the project. ZipArchive library address: https://github.com/mattconnolly/ZipArchiveI. Document struct

ObjectiveThere is a requirement in the recent project to share entity content directly from third-party apps to our app using the content sharing features available on iOS devices from the iOS system. The general principle is this, first for our iOS app registration can open document types (file type), and then in thir

adding a paragraph in the code: Manager.responseserializer = [Afhttpresponseserializerserializer];The sample code is as follows:NSString *urlstr [email protected] "http://xxxx";Afhttprequestoperationmanager *manager = [Afhttprequestoperationmanagermanager];Manager.responseserializer = [Afhttpresponseserializerserializer]; It is important to get rid of the error, but not yet understand more detailed reasons[Managerget:urlstr parameters:@{@ "username":

Next, iOS sandbox mechanism and file operations (2 ), Let's see how NSFileManager is used. Including creating files, directories, deleting, and traversing directories. 1. Create a directory in Documents Create a directory named test, first find the directory of Documents, NSArray * paths = NSSearchPathForDirectoriesInDomains (NSDocumentDirectory, NSUserDomainMask, YES); NSString * documentsDirectory = [p

];manager.responseserializer= [Afhttpresponseserializer Serializer];[Manager Post:url Parameters:body constructingbodywithblock:^ (idConvert image to data, post upload can only transmit dataNSData *data = uiimagepngrepresentation (image);Uploaded parameters (upload image to file stream format)[FormData Appendpartwithfiledata:dataname:@ "File"filename:@ "Gauge.png

iOS Enterprise certificates can be installed on your phone using the free App Storeneed a business account to applyEnterprise Account Application IntroductionFirst, the iOS Enterprise publishes the certificate requestiOS certificate request here is a tool appuploader that can help you quickly request an iOS certificate in the win system, and it doesn't matter if

Note: First introspection, originally intended to a day, a little progress every day, but recently become lazy, incredibly three days no update, in this warning you friends and myself, programmers need to abstain, engage in technology to persevere, can not notwith, two days out of the sun.Now step into the theme, the previous time using Xcode Packaging IPA file, first share the experience, and common mistakes to solve, just a little bit.1. Create a Io

Case: Open source China iOS client When we create a new project, under the supporting files file will see a file ending with-prefix.pch, PCH full name is "precompiled Header", that is, the precompiled header file, the file stored in the project Some of the less frequently m

The sandbox mechanism for iOS, apps can only access files in their own app directory. Unlike Android, iOS does not have an SD card concept and does not have direct access to images, videos, and other content. Content generated by iOS apps, like, files, cached content, and so on, must be stored in their own sandbox. By default, each sandbox contains 3 folders: Doc

Network programming for iOS development--using nsurlconnection to achieve large file breakpoint continuation download is in the previous iOS Development network programming-using Nsurlconnection to achieve large file download based onThe settings for the continuation of the breakpoint. Network programming on

IOS learning notes-File Operations (NSFileManager) and iosnsfilemanager IOS sandbox mechanism. Applications can only access files in their app directories. Unlike android, iOS does not have an SD card and cannot directly access images, videos, and other content. Content generated by

http://blog.csdn.net/xyz_lmn/article/details/8968213The sandbox mechanism for iOS, apps can only access files in their own app directory. Unlike Android, iOS does not have an SD card concept and does not have direct access to images, videos, and other content. Content generated by iOS apps, like, files, cached content, and so on, must be stored in their own sandb

In the iOS app development process, we will use Xcode to package, generate. xcarchive package files, through the Xcode Organizer tool can manage, export the release file, I believe that iOS development for these processes are quite familiar with, here is not to repeat. The main want to say is, after packaging the dSYM file.Get the dSYM

iOS path sandbox file management, there is a need for friends to refer to below.First, the sandbox mechanism in iOS iOS applications can only read files to the file system that they create, a separate, closed, and secure space called a sandbox. It typically holds pa

iOS path sandbox file management, see Bo Master Summary of Very good, reproduced, original: http://www.aichengxu.com/view/35264First, the sandbox mechanism in iOS iOS applications can only read files to the file system that they create, a separate, closed, and secur