Modify the value of a global variable from a inner class

Question

So i have a class

class createLobby : AppCompatActivity() { var invited = ArrayList<String>() private class myCustomAdapter(context: Context, users:ArrayList<User>): BaseAdapter() { override fun getView(position: Int, convertView: View?, viewGroup: ViewGroup?): View { invited.add(mUsers.get(position).idUser) } } }

The problem is that i can't modify invited, it says unresolved reference

I have tried to change invited.add(mUsers.get(position).idUser) for:

this.invited... createLobby.invited... ((createLobby) stuff here)

but it hasn't work, any ideas or help? Thanks!

Ruckus T-Boom · Accepted Answer · 2017-11-06 22:40:54Z

It looks like you want to mark your inner class with inner. See here: https://kotlinlang.org/docs/reference/nested-classes.html

So you would have:

class createLobby : AppCompatActivity() { var invited = ArrayList<String>() private inner class myCustomAdapter(context: Context, users:ArrayList<User>): BaseAdapter() { override fun getView(position: Int, convertView: View?, viewGroup: ViewGroup?): View { invited.add(mUsers.get(position).idUser) } } }

omg i read that and i forgot to write the inner, give me a min and let me try it, thanks!

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