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 import com.android.frameworks.coretests.R; 25 26 public class LinearLayoutGrid extends Activity { 27 28 29 @Override onCreate(Bundle icicle)30 protected void onCreate(Bundle icicle) { 31 super.onCreate(icicle); 32 setContentView(R.layout.linear_layout_grid); 33 } 34 getRootView()35 public ViewGroup getRootView() { 36 return (ViewGroup) findViewById(R.id.layout); 37 } 38 getButtonAt(int column, int row)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 getColumn(int column)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