Question

I would like to know how can i write to a file within Application. The thing im trying to do here is, i am generating a KML (using class XMLWriter from https://github.com/skjolber/xswi). I can log the KML, everythings fine, now what i have to do is, Same this KML to a .kml file, and then email it to some address.

Emailing is no problem, i wanted to know how to write this KML into a .kml file, and then retrieve it for emailing. Can someone help me with a code snippet.

Answer 1

This tutorial did it, more then help.. The Code for generating the .kml file:

NSFileManager *filemgr;
NSData *databuffer;
NSString *dataFile;
NSString *docsDir;
NSArray *dirPaths;

filemgr = [NSFileManager defaultManager];
dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
docsDir = [dirPaths objectAtIndex:0];
dataFile = [docsDir stringByAppendingPathComponent: @"datafile.kml"];
databuffer = [[xmlWriter toString] dataUsingEncoding: NSASCIIStringEncoding];
[filemgr createFileAtPath: dataFile contents: databuffer attributes:nil];

then to retrieve it i used:

NSFileManager *filemgr;
NSString *dataFile;
NSData *databuffer;
NSString *docsDir;
NSArray *dirPaths;

filemgr = [NSFileManager defaultManager];

// Identify the documents directory
dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
docsDir = [dirPaths objectAtIndex:0];

// Build the path to the data file
dataFile = [docsDir stringByAppendingPathComponent: @"datafile.kml"];
databuffer = [filemgr contentsAtPath: dataFile];