ListOfInternalSelectionViews.java revision 36a561b4ee35911fd6594c1592aab134be22f0f7
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; 2036a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganovimport android.graphics.Point; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Bundle; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.BaseAdapter; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.ListView; 261d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenimport android.util.InternalSelectionView; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A list of {@link InternalSelectionView}s paramatarized by the number of items, 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * how many rows in each item, and how tall each item is. 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ListOfInternalSelectionViews extends Activity { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ListView mListView; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // keys for initializing via Intent params 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String BUNDLE_PARAM_NUM_ITEMS = "com.google.test.numItems"; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String BUNDLE_PARAM_NUM_ROWS_PER_ITEM = "com.google.test.numRowsPerItem"; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final String BUNDLE_PARAM_ITEM_SCREEN_HEIGHT_FACTOR = "com.google.test.itemScreenHeightFactor"; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mScreenHeight; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNumItems = 5; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNumRowsPerItem = 4; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private double mItemScreenSizeFactor = 5 / 4; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ListView getListView() { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mListView; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Each item is screen height * this factor tall. 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public double getItemScreenSizeFactor() { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mItemScreenSizeFactor; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of rows per item. 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNumRowsPerItem() { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNumRowsPerItem; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The number of items in the list. 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNumItems() { 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNumItems; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The position 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The label (closest thing to a value) for the item at position 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getLabelForPosition(int position) { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "position " + position; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the currently selected view. 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public InternalSelectionView getSelectedView() { 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (InternalSelectionView) getListView().getSelectedView(); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the screen height. 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getScreenHeight() { 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mScreenHeight; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Initialize a bundle suitable for sending as the params of the intent that 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * launches this activity. 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numItems The number of items in the list. 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numRowsPerItem The number of rows per item. 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param itemScreenHeightFactor see {@link #getScreenHeight()} 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the intialized bundle. 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Bundle getBundleFor(int numItems, int numRowsPerItem, double itemScreenHeightFactor) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bundle bundle = new Bundle(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bundle.putInt(BUNDLE_PARAM_NUM_ITEMS, numItems); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bundle.putInt(BUNDLE_PARAM_NUM_ROWS_PER_ITEM, numRowsPerItem); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bundle.putDouble(BUNDLE_PARAM_ITEM_SCREEN_HEIGHT_FACTOR, itemScreenHeightFactor); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return bundle; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onCreate(Bundle icicle) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreate(icicle); 11436a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov 11536a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov Point size = new Point(); 11636a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov getWindowManager().getDefaultDisplay().getSize(size); 11736a561b4ee35911fd6594c1592aab134be22f0f7Svetoslav Ganov mScreenHeight = size.y; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bundle extras = getIntent().getExtras(); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (extras != null) { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initFromBundle(extras); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListView = new ListView(this); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListView.setLayoutParams(new ViewGroup.LayoutParams( 126980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT, 127980a938c1c9a6a5791a8240e5a1e6638ab28dc77Romain Guy ViewGroup.LayoutParams.MATCH_PARENT)); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListView.setDrawSelectorOnTop(false); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListView.setAdapter(new MyAdapter()); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mListView.setItemsCanFocus(true); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setContentView(mListView); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initFromBundle(Bundle icicle) { 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numItems = icicle.getInt(BUNDLE_PARAM_NUM_ITEMS, -1); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (numItems != -1) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumItems = numItems; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numRowsPerItem = icicle.getInt(BUNDLE_PARAM_NUM_ROWS_PER_ITEM, -1); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (numRowsPerItem != -1) { 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumRowsPerItem = numRowsPerItem; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project double screenHeightFactor = icicle.getDouble(BUNDLE_PARAM_ITEM_SCREEN_HEIGHT_FACTOR, -1.0); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (screenHeightFactor > 0) { 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mItemScreenSizeFactor = screenHeightFactor; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class MyAdapter extends BaseAdapter { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCount() { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNumItems; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Object getItem(int position) { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return getLabelForPosition(position); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getItemId(int position) { 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getView(int position, View convertView, ViewGroup parent) { 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project InternalSelectionView item = 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new InternalSelectionView( 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parent.getContext(), 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNumRowsPerItem, 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getLabelForPosition(position)); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project item.setDesiredHeight((int) (mScreenHeight * mItemScreenSizeFactor)); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return item; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 175