CODEWITHSUNDEEP
objective-cnsstringdocument
Developer
Developer

Reputation: 404

How to save and load a NSString in a document based application?

I want to create a document based application in Xcode. It's a note app. People can create their notes file. It's a basic app, because I'm trying to learn how you can save and load data in a document based application. I'm not trying to save a tableview, I'm trying to save and load the stringValue of a TextField.

So, how do you save and load a NSString in a document based app in Objective-C (Xcode)?

Upvotes: 2

Views: 184

Answers (1)

ntsh
ntsh

Reputation: 759

You can use NSString's writeToFile:atomically:encoding:error:
and stringWithContentsOfFile:encoding:error: methods.

Here's an example of how to write to a file:

NSString *fileName = "myNote.txt";
NSArray *dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *docsDir = dirPaths[0];
NSString *filePath = [[NSString alloc] initWithString:[docsDir stringByAppendingPathComponent:fileName]];
[myString writeToFile:filePath atomically:YES encoding:NSUTF8StringEncoding error:&myError];

Or if you want something advanced, you can use Core Data.

Upvotes: 1

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