Mark's coding playground...

public class Autocomplete extends Activity { String name[]={ "John", "Angel", "Mark", "Angelina", "Jhony", "Juli", "Augustine", "Robert", "Reena", "Ancilina", "Mary", "Juliet" }; AutoCompleteTextView autotextview; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_autocomplete); autotextview=(AutoCompleteTextView) findViewById(R.id.myautocomplete); autotextview.setAdapter(new ArrayAdapter<string>(this, android.R.layout.simple_dropdown_item_1line, name)); }