The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.widget; |
| 18 | |
| 19 | import android.view.View; |
| 20 | import android.view.ViewGroup; |
| 21 | |
| 22 | /** |
| 23 | * Extended {@link Adapter} that is the bridge between a |
| 24 | * {@link android.widget.Spinner} and its data. A spinner adapter allows to |
| 25 | * define two different views: one that shows the data in the spinner itself and |
| 26 | * one that shows the data in the drop down list when the spinner is pressed.</p> |
| 27 | */ |
| 28 | public interface SpinnerAdapter extends Adapter { |
| 29 | /** |
| 30 | * <p>Get a {@link android.view.View} that displays in the drop down popup |
| 31 | * the data at the specified position in the data set.</p> |
| 32 | * |
| 33 | * @param position index of the item whose view we want. |
| 34 | * @param convertView the old view to reuse, if possible. Note: You should |
| 35 | * check that this view is non-null and of an appropriate type before |
| 36 | * using. If it is not possible to convert this view to display the |
| 37 | * correct data, this method can create a new view. |
| 38 | * @param parent the parent that this view will eventually be attached to |
| 39 | * @return a {@link android.view.View} corresponding to the data at the |
| 40 | * specified position. |
| 41 | */ |
| 42 | public View getDropDownView(int position, View convertView, ViewGroup parent); |
| 43 | } |