Ok so i have a gridview of strings and i want it so when i load the gridview i can have one underlined.
final GridView gridview = (GridView)findViewById(R.id.gridView);
        final ArrayAdapter<String> arrayadapter = new ArrayAdapter<String>(
                this,
                R.layout.customstyle, 
                letters );
        gridview.setNumColumns(COLUMNSIZE);
        gridview.setAdapter(arrayadapter);
here is my gridview code, so how would i set one to underlined?
 
    