| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.widget.listview; |
| |
| import android.widget.TextView; |
| import android.util.ListScenario; |
| |
| /** |
| * The header text view echos the value of the selected item by using (indirectly) |
| * the {@link android.widget.AdapterView.OnItemSelectedListener}. |
| */ |
| public class ListWithOnItemSelectedAction extends ListScenario { |
| protected void init(Params params) { |
| params.setNumItems(8) |
| .setItemScreenSizeFactor(0.2) |
| .includeHeaderAboveList(true); |
| |
| } |
| |
| @Override |
| protected void positionSelected(int positon) { |
| if (positon != getListView().getSelectedItemPosition()) { |
| throw new IllegalStateException("something is fishy... the selected postion does not " + |
| "match what the list reports."); |
| } |
| setHeaderValue( |
| ((TextView) getListView().getSelectedView()).getText().toString()); |
| |
| } |
| } |