Swift : [NSDictionary]()

Question

I have data stored in a [NSDictionary]() here is how I add the data:

var usedObjectDictionaries = [NSDictionary]()

for firstUseItem in useItemsInFirstObject {
        let dict = firstUseItem.toDictionary()
        usedObjectDictionaries.append(dict)
    }

And the [NSDictionary]() if printed out looks like this:

What I need to do is reach the value of the ActivityReference1 in the [NSDictionary]() . Meaning , how can I get to the Job .

Answer 1

for item in usedObjectDictionaries {
    print(item["ActivityReference1"])
}

Answer 2

要获得第一个：

usedObjectDictionaries[0]["ActivityReference1"]

Answer 3

@MarieDM's answer of using array indexing will work, but it will crash if the array is empty.

You could also use

if let activity = userObjectDictionaries.first["ActivityReference1"] {
    //here "activity" contains the entry from the first entry
} else {
    //This code will execute 
    //if there are no entries in userObjectDictionaries
}