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
17package android.widget.listview;
18
19import android.view.View;
20 import android.view.ViewGroup;
21 import com.google.android.collect.Sets;
22 import android.util.ListScenario;
23 import android.util.ListItemFactory;
24
25 import java.util.Set;
26
27/**
28 * List that interleaves focusable items.
29 */
30public class ListInterleaveFocusables extends ListScenario {
31
32    private Set<Integer> mFocusablePositions = Sets.newHashSet(1, 3, 6);
33
34    @Override
35    protected void init(Params params) {
36        params.setNumItems(7)
37                .setItemScreenSizeFactor(1.0 / 8)
38                .setItemsFocusable(true)
39                .setMustFillScreen(false);
40    }
41
42    @Override
43    protected View createView(int position, ViewGroup parent, int desiredHeight) {
44        if (mFocusablePositions.contains(position)) {
45            return ListItemFactory.button(
46                    position, parent.getContext(), getValueAtPosition(position), desiredHeight);
47        } else {
48            return super.createView(position, parent, desiredHeight);
49        }
50    }
51
52    @Override
53    public int getItemViewType(int position) {
54        return mFocusablePositions.contains(position) ? 0 : 1;
55    }
56
57    @Override
58    public int getViewTypeCount() {
59        return 2;
60    }
61
62
63}
64