2 * Copyright (C) 2007 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package android.widget.focus;
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 import com.android.frameworks.coretests.R;
26 public class LinearLayoutGrid extends Activity {
30 protected void onCreate(Bundle icicle) {
31 super.onCreate(icicle);
32 setContentView(R.layout.linear_layout_grid);
35 public ViewGroup getRootView() {
36 return (ViewGroup) findViewById(R.id.layout);
39 public Button getButtonAt(int column, int row) {
40 if (row < 0 || row > 2) {
41 throw new IllegalArgumentException("row out of range");
43 if (column < 0 || column > 2) {
44 throw new IllegalArgumentException("column out of range");
46 return (Button) getColumn(column).getChildAt(row);
51 private LinearLayout getColumn(int column) {
54 return (LinearLayout) findViewById(R.id.column1);
56 return (LinearLayout) findViewById(R.id.column2);
58 return (LinearLayout) findViewById(R.id.column3);
60 throw new IllegalArgumentException("column out of range");