how do i get the text of a dropdown menu?[urgent]

[hongge]

static String[] list = new String[20];

for (int i=0; i<20; i++)
{
       if (choice.getSelectedIndex() = list[i])
      {
           qty.setText(list[i+1]);
            price.setText(list[i+2]);
      }
}

how do i get the text of a dropdown menu?
i need to do comparison of value between the choice n array
e.g
in dropdown menu choice, the value is "red" then compare against the array list[20] -->list[5]="red"

can show code example?