2012-07-13 70 views

回答

1
onItemSingleClick(View v) { 
    View dropdown = v.findViewbyId(R.id.dropdown); 
    dropdown.setVisibility(View.VISIBLE); 
    if(mCurrentVisibleDropdown != null) 
     mCurrentVisibleDropdown.setVisibility(View.GONE); 
    mCurrentVisibleDropdown = dropdown; 
} 
1

您可以設置圖層的可見性(VIEW.Visible)。