코드 일부분입니다. 다음과 같이 텍스트로 여백을 주어 gridview를 구성하였습니다.
7 * 24 로 gridview를 나누었습니다.

질문사항은

1. gridview에서 특정 셀에 색을 채우고자 하는 방법(다음 첨부 파일에서 한칸만 채우는 방법이 궁금합니다.)

2. 각각의 셀의 위치값을 구할 수 있는 방법입니다.
_______________________________________________________________________________________________
public class WeekTable extends Activity {
    /** Called when the activity is first created. */
 GridView wGrid; 

 String text_items[] = {"","","","","","","","","","","","","","","",
   "","","","","","","","","","","","","","","","","","","","",
   "","","","","","","","","","","","","","","","","","","","",
   "","","","","","","","","","","","","","","","","","","","",
   "","","","","","","","","","","","","","","","","","","","",
   "","","","","","","","","","","","","","","","","","","","",
   "","","","","","","","","","","","","","","","","","","","",
   "","","","","","","","","","","","","","","","","","","","",
   "","","","","","","","","","","","",""};
 

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.weeklist);
       
       
        ArrayAdapter<String> wText = new ArrayAdapter<String>(this, R.layout.week_text_item_layout_01, text_items);
       
       
       
        wGrid = (GridView) findViewById(R.id.weekGrid);
        wGrid.setAdapter(wText);
______________________________________________________________________________________________
<GridView
    android:id="@+id/weekGrid"
 android:layout_width="fill_parent"
   android:layout_height="fill_parent"
    android:padding="0dp"  
    android:horizontalSpacing="1dp"
    android:verticalSpacing="1dp"
    android:numColumns="7"
    android:background="#ff000000"
    android:scrollbars="none"
    android:layout_marginTop="24dp"
    android:layout_marginLeft="20dp"
    android:layout_marginRight="8dp"
    android:clickable="true"
    android:longClickable="true"
       
    android:gravity="center"
    >
</GridView>