ios file manager

) // return the path of the current user's home directory Nsstring * nshomedirectoryforuser (nsstring * User) // return the Home Directory of the user Nsstring * nstemporarydirectory (void) // return the path directory that can be used to create a temporary file 5. Common IOS Directories Documents (nsdocumentdirectory) // directory used to write application-related data files. Files written here in

(Conversion) iOS learning-plist file read/write, iosplist During iOS development, plist files are often used. What is a plist file? Its full name is Property List, which is an attribute List file used to store serialized objects. The property list

Recently learning and using the Cocos2d-x framework, although speaking of cross-platform, but in the Development of Vs, and then transplanted to Android or IOS, may also have a variety of problems, minor adjustments are required. For example, when I perform file read/write operations, it is likely that there is no problem on Win32, but get data failed on IOS.

iOS Development UI Article-common project file IntroductionI. Structure of the project documentIi. Introduction of documents1.products folder: Mainly used for Mac computer development executable file, iOS development not to use this file 2.frameworks folder mainly used to pu

last component of the path-(NSString *) stringbydeletinglastpathcomponent//Delete the last component of the path-(NSString *) stringbydeletingpathextension//Remove the extension from the last part of the file-(NSString *) Stringbyexpandingtileinpath//Expand the path to the user home directory (~) or the home directory of the specified user (~user)-(NSString *) Stringbyresolvingsymlinksinpath//try to parse the symbolic link in the path-(NSString *) St

IOS-about SandBox mechanism and file read/write Methods SandBox (SandBox) in iOS is a security system, which stipulates that the APP can only read files in folders created for the APP, but cannot access content in other places. All non-code files are stored in this place, such as slice, sound, attribute list, and text files. That is:Each application cannot access

1. Bundle fileBundle file is the resource file package. We organize many pictures, XIB and text files together and package them into a bundle file. facilitates referencing resources within packages in other projects.The bundle file is static, that is, the resource files that we include into the package are not compiled

attributes:nil Error:nil]; Get all file names in a directory Nsarray *files = [FM subpathsatpath: [self datafilepath]]; Read a file NSData *data = [FM contentsatpath:[self DataFilePath]]; Or NSData *data = [NSData datawithcontentofpath:[self DataFilePath]]; } There are several ways to get a file path for

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 Network Chapter-File download (six • Compression and decompression)First, complete the file downloadRequirements: Complete File download1. In the local server, add a compressed file for the picture.2. code example:File Downloader code:Header file1//2// YYfil

folder size, return how many M-(float) Foldersizeatpath: ( NSString *) folderpath{Nsfilemanager * manager = [Nsfilemanager Defaultmanager]; if (![ Manager Fileexistsatpath:folderpath]) return 0; Nsenumerator *childfilesenumerator = [[manager Subpathsatpath:folderpath] objectenumerator]; NSString * FILENAME; Long long foldersize = 0; while (fileName = [

IOS certificate, description file, and AppID. Recently, I have thoroughly reviewed the certificate-related and related procedures in iOS development, which are summarized as follows. Developer account: You can add multiple sub-developers to the recharge developer account. Different permissions are divided into administrators and non-administrators. I. certifica

StackOverflow and see http://stackoverflow.com/questions/24158648/. Why-isnt-projectname-prefix-pch-created-automatically-in-xcode-6.How to add a PCH file in Xcode:Command+n, open the new File window: ios->other->pch file, create a PCH2In the project targets inside building setting search Prefix header, and then the P

1. Common Nsfilemanager File methods2. Common Nsfilemanager Directory approach3. Common Path Tool methods4. Common Path Tool functions5.NSProcessInfo class method6. Common methods of Nsfilehandle"Attached" sandbox mechanism in iOS iOS applications can only read files to the file system that they create, a sepa

IOS development: creates a real machine debugging certificate and description file IOS development: create a real machine debugging certificate and description file For iOS development, I have also learned from Tom and experienced various difficulties and pitfalls, inclu

? more technical dry please poke: Listen to the Cloud blog0X01 mach-o Format Simple IntroductionMach-o file format is an executable file format on OS X and IOS, similar to the ELF files of Windows PE files and Linux (other Unix like), if you do not thoroughly understand the format and related content of Mach-o, then in-depth study of the XNU kernel is impossible

is as follows:/users/username/library/application SUPPORT/IP HoneSimulator/7.0.3/applications, in applications, will find the application sandbox.After you open the application sandbox, there will be an application file, a document folder, a library folder, and a TMP folder. The role of these folders is not to be summarized here.In Xcode6, the four files in the application file, document folder, library fo

For security reasons, the sandbox mechanism of the iOS system stipulates that each app can access only the files under the current sandbox directory (with exceptions, such as the ability of the system contacts to be accessed by third-party apps under user authorization), a rule that reveals the closeness of the iOS system.First, a few major directories in the sandboxEach sandbox has a similar directory stru

)//Return to user's home directory nsstring* nstemporarydirectory (void)//Returns a directory of paths that can be used to create temporary files 5, the commonly used iOS directory Copy Code code as follows: Documents (NSDocumentDirectory)//for writing to the directory of application-related data files, files written here in iOS can be shared with itunes and accessed, and fi

time to increase the user experience. Although the convenience of programming has been lost. Have to admire Apple's user-centric approach to thinking. A more detailed discussion can go up to StackOverflow and see http://stackoverflow.com/questions/24158648/. Why-isnt-projectname-prefix-pch-created-automatically-in-xcode-6.How to add a PCH file in Xcode:Command+n, open the new File window: