Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined

Question

Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined in following my coding. This coding is for fetching data from SQLite when typing wor

Answer 1

You need to qualify the use of this when you want to refer to the enclosing class of an inner class. In your code, if the enclosing class is your Activity subclass (let's say it's called MyActivity), then you would write:

ArrayAdapter adapter = new ArrayAdapter(MyActivity.this,
   R.layout.autosuggest,
   countries);