VerticalFocusSearch.java revision 1d3165f10b12165f02b7015ac1a817c5f60e6399
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 171d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenpackage android.widget.focus; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.Activity; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Bundle; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.LinearLayout; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.Button; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.TextView; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Gravity; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Holds a few buttons of various sizes and horizontal placements in a 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * vertical layout to excercise some core focus searching. 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class VerticalFocusSearch extends Activity { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LinearLayout mLayout; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Button mTopWide; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Button mMidSkinny1Left; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Button mBottomWide; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Button mMidSkinny2Right; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public LinearLayout getLayout() { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLayout; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Button getTopWide() { 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTopWide; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Button getMidSkinny1Left() { 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMidSkinny1Left; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Button getMidSkinny2Right() { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMidSkinny2Right; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Button getBottomWide() { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBottomWide; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onCreate(Bundle icicle) { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreate(icicle); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayout = new LinearLayout(this); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayout.setOrientation(LinearLayout.VERTICAL); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayout.setHorizontalGravity(Gravity.LEFT); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayout.setLayoutParams(new ViewGroup.LayoutParams( 71980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT, 72980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT)); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTopWide = makeWide("top wide"); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayout.addView(mTopWide); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMidSkinny1Left = addSkinny(mLayout, "mid skinny 1(L)", false); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMidSkinny2Right = addSkinny(mLayout, "mid skinny 2(R)", true); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBottomWide = makeWide("bottom wide"); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLayout.addView(mBottomWide); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setContentView(mLayout); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // just to get toString non-sucky 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class MyButton extends Button { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MyButton(Context context) { 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getText().toString(); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Button makeWide(String label) { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Button button = new MyButton(this); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project button.setText(label); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project button.setLayoutParams(new LinearLayout.LayoutParams( 105980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT, 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams.WRAP_CONTENT)); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return button; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Add a skinny button that takes up just less than half of the screen 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * horizontally. 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param root The layout to add the button to. 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param label The label of the button. 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param atRight Which side to put the button on. 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The newly created button. 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Button addSkinny(LinearLayout root, String label, boolean atRight) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Button button = new MyButton(this); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project button.setText(label); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project button.setLayoutParams(new LinearLayout.LayoutParams( 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, // width 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams.WRAP_CONTENT, 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 480)); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextView filler = new TextView(this); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filler.setText("filler"); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filler.setLayoutParams(new LinearLayout.LayoutParams( 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, // width 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams.WRAP_CONTENT, 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 520)); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LinearLayout ll = new LinearLayout(this); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ll.setOrientation(LinearLayout.HORIZONTAL); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ll.setLayoutParams(new LinearLayout.LayoutParams( 136980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT, 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ViewGroup.LayoutParams.WRAP_CONTENT)); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (atRight) { 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ll.addView(filler); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ll.addView(button); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project root.addView(ll); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ll.addView(button); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ll.addView(filler); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project root.addView(ll); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return button; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 152