autoCompleteTextView.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// TODO Auto-generated method stub
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable s) {
if (isValid(s)) { // your method to validate user input
setWholeTextString(); // get whole string from your adapter or items list
jumpToNextView();
}
}
});