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.focus;
18 
19 import android.app.Activity;
20 import android.os.Bundle;
21 import android.view.ViewGroup;
22 import android.widget.Button;
23 import android.widget.LinearLayout;
24 
25 import com.android.frameworks.coretests.R;
26 
27 public class LinearLayoutGrid extends Activity {
28 
29 
30     @Override
onCreate(Bundle icicle)31     protected void onCreate(Bundle icicle) {
32         super.onCreate(icicle);
33         setContentView(R.layout.linear_layout_grid);
34     }
35 
getRootView()36     public ViewGroup getRootView() {
37         return findViewById(R.id.layout);
38     }
39 
getButtonAt(int column, int row)40     public Button getButtonAt(int column, int row) {
41         if (row < 0 || row > 2) {
42             throw new IllegalArgumentException("row out of range");
43         }
44         if (column < 0 || column > 2) {
45             throw new IllegalArgumentException("column out of range");
46         }
47         return (Button) getColumn(column).getChildAt(row);
48     }
49 
50 
51 
getColumn(int column)52     private LinearLayout getColumn(int column) {
53         switch (column) {
54             case 0:
55                 return findViewById(R.id.column1);
56             case 1:
57                 return findViewById(R.id.column2);
58             case 2:
59                 return findViewById(R.id.column3);
60             default:
61                 throw new IllegalArgumentException("column out of range");
62         }
63     }
64 
65 
66 }
67