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.focus;
18
19import android.app.Activity;
20import android.os.Bundle;
21import android.view.ViewGroup;
22import android.widget.Button;
23import android.widget.LinearLayout;
24import com.android.frameworks.coretests.R;
25
26public class LinearLayoutGrid extends Activity {
27
28
29    @Override
30    protected void onCreate(Bundle icicle) {
31        super.onCreate(icicle);
32        setContentView(R.layout.linear_layout_grid);
33    }
34
35    public ViewGroup getRootView() {
36        return (ViewGroup) findViewById(R.id.layout);
37    }
38
39    public Button getButtonAt(int column, int row) {
40        if (row < 0 || row > 2) {
41            throw new IllegalArgumentException("row out of range");
42        }
43        if (column < 0 || column > 2) {
44            throw new IllegalArgumentException("column out of range");
45        }
46        return (Button) getColumn(column).getChildAt(row);
47    }
48
49
50
51    private LinearLayout getColumn(int column) {
52        switch (column) {
53            case 0:
54                return (LinearLayout) findViewById(R.id.column1);
55            case 1:
56                return (LinearLayout) findViewById(R.id.column2);
57            case 2:
58                return (LinearLayout) findViewById(R.id.column3);
59            default:
60                throw new IllegalArgumentException("column out of range");
61        }
62    }
63
64
65}
66