Spinner 获取当前选中项

public void onItemSelected( AdapterView<?> parent, View view, int position, long id) {
String cardNumber = Activity.this.getResources().getStringArray(R.array.debitCardNumber)[arg2];
}

final Spinner spinner = (Spinner)findViewById(R.id.spinner);
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
String cardNumber = spinner.getSelectedItem().toString();
}

@Override
public void onNothingSelected(AdapterView<?> parent) {

}
});