[android-developers] Spinner question

Hi,
I have an activity with three spinners and am having trouble
retrieving the data from them. The code below is not yielding the
desired results. Any help is appreciated.

Spinner spinner = (Spinner)findViewById(R.id.origin);
ArrayAdapter<CharSequence> o_adapter =
ArrayAdapter.createFromResource(
this, R.array.origin_array,
android.R.layout.simple_spinner_item);

o_adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(o_adapter);

spinner = (Spinner)findViewById(R.id.destination);
ArrayAdapter<CharSequence> d_adapter =
ArrayAdapter.createFromResource(
this, R.array.destination_array,
android.R.layout.simple_spinner_item);

d_adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(d_adapter);

spinner = (Spinner)findViewById(R.id.triptype);
ArrayAdapter<CharSequence> t_adapter =
ArrayAdapter.createFromResource(
this, R.array.triptype_array,
android.R.layout.simple_spinner_item);

t_adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(t_adapter);

spinner.setOnItemSelectedListener(new MyOnItemSelectedListener());

public class MyOnItemSelectedListener implements
OnItemSelectedListener {

public void onItemSelected(AdapterView<?> parent,
View view, int pos, long id) {
parent.getItemAtPosition(pos).toString();
switch(view.getId()){
case R.id.origin:
ORIGIN = parent.getItemAtPosition(pos).toString();
break;
case R.id.destination:
DESTINATION = parent.getItemAtPosition(pos).toString();
break;
case R.id.triptype:
TRIP_TYPE = parent.getItemAtPosition(pos).toString();
break;
}
}

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