Swift Realm, load the pre-populated database the right way?

Question

I\'m pretty new to ios development.

I follow this migration example to use pre-populated database and change the code a little bit

here is the final code I u

Answer 1

In Swift 3.0, try this:

    let bundlePath = Bundle.main.path(forResource: "default", ofType: "realm")
    let destPath = Realm.Configuration.defaultConfiguration.fileURL?.path
    let fileManager = FileManager.default

    if fileManager.fileExists(atPath: destPath!) {
        //File exist, do nothing
        //print(fileManager.fileExists(atPath: destPath!))
    } else {
        do {
            //Copy file from bundle to Realm default path
            try fileManager.copyItem(atPath: bundlePath!, toPath: destPath!)
        } catch {
            print("\n",error)
        }
    }