How to copy a file from the Main Bundle into the Documents Directory in iOS

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You can do this either by using paths or NSURLs. Apple recommends using NSURLs, so here’s how it works.

In this example we’re copying a file called “Amy.png” which exists in the app’s main bundle.

// file URL in our bundle
NSURL *fileFromBundle = [[NSBundle mainBundle]URLForResource:@"Amy" withExtension:@"png"];
    
// Destination URL
NSURL *destinationURL = [[self applicationDocumentsDirectory]URLByAppendingPathComponent:@"Amy.png"];
    
// copy it over
[[NSFileManager defaultManager]copyItemAtURL:fileFromBundle toURL:destinationURL error:nil];

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