android.widget
public
interface
android.widget.SpinnerAdapter
android.widget.SpinnerAdapter |
Adapter
|
A SpinnerAdapter
acts as a bridge between a
Spinner and the data. A spinner adapter allows to
define two different views: one that shows the data in the spinner itself and
one that shows the data in the drop down list when the spinner is pressed.
Known Indirect Subclasses
Summary
Details
Public Methods
public
View
getDropDownView(int position, View convertView, ViewGroup parent)
Get a View that displays in the drop down popup
the data at the specified position in the data set.
Parameters
position
| index of the item whose view we want. |
convertView
| the old view to reuse, if possible. Note: You should
check that this view is non-null and of an appropriate type before
using. If it is not possible to convert this view to display the
correct data, this method can create a new view. |
parent
| the parent that this view will eventually be attached to |
Returns
- a View corresponding to the data at the
specified position.