is it possible to have non-argument and argument c...

# android

[scruffyfox]

is it possible to have non-argument and argument constructors using the constructor syntax example: class DownloadHelper(internal val tag: String = "") : Fragment()

[kingsley]

class DownloadHelper @JvmOverloads constructor(internal val tag: String = ""): Fragment()

[kingsley]

But you shouldn’t be doing this with android Fragments. The framework will always call the no-arg constructor instead, so you might end up with more side effects that necessary

[scruffyfox]

i can just create multiple constructors no problem (or newInstance method) just wondering if there was a cool kotlin way of doing it

[kingsley]

The issue is not with Kotlin. It is with having multiple constructors for a Fragment. The framework always calls the one with no-arg, so even if you start the fragment using a constructor with arguments, the framework could later recreate teh fragment, and it will use the no-arg one instead

[kingsley]

A newInstance (or whatever name) factory method is much better

[scruffyfox]

yes my question was purely syntactical 🙂

[kingsley]

Ah. Okay then 🙂

[scruffyfox]

cheers for the help anyway

[kingsley]

You’re welcome