Cant resolve constructor ArrayAdapter

Question

Can\'t use ArrayAdapter in a custom dialog.

This is the error I am getting

Answer 1

You're getting that error because the ArrayAdapter constructor requires the first argument to be a Context object. Since you're calling the constructor from inside an OnClickListener, this refers to the listener, not your activity (i.e. not a Context).

You can qualify the this keyword with the name of your outer class. Assuming that code is written inside of MainActivity, you could write MainActivity.this instead.

Answer 2

Using this won't work since you are in the scope of the OnClickListener.

You should try getContext() or getApplicationContext() instead of this.