LauncherActivity.java revision 105925376f8d0f6b318c9938c7b83ef7fef094da
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 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.app; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.pm.PackageManager; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.pm.ResolveInfo; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.Resources; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Bitmap; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Canvas; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Paint; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.PaintFlagsDrawFilter; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.PixelFormat; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.Rect; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.BitmapDrawable; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.Drawable; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.graphics.drawable.PaintDrawable; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Bundle; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Window; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.BaseAdapter; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.Filter; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.Filterable; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.ListView; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.TextView; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Collections; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Displays a list of all activities which can be performed 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for a given intent. Launches when clicked. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class LauncherActivity extends ListActivity { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Intent mIntent; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PackageManager mPackageManager; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An item in the list 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static class ListItem { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public CharSequence label; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //public CharSequence description; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable icon; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String packageName; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String className; 68105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public Bundle extras; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListItem(PackageManager pm, ResolveInfo resolveInfo, IconResizer resizer) { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project label = resolveInfo.loadLabel(pm); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (label == null && resolveInfo.activityInfo != null) { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project label = resolveInfo.activityInfo.name; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (resolveInfo.activityInfo != null && 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolveInfo.activityInfo.applicationInfo != null) { 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project description = resolveInfo.activityInfo.applicationInfo.loadDescription(pm); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon = resizer.createIconThumbnail(resolveInfo.loadIcon(pm)); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project packageName = resolveInfo.activityInfo.applicationInfo.packageName; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project className = resolveInfo.activityInfo.name; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ListItem() { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Adapter which shows the set of activities that can be performed for a given intent. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class ActivityAdapter extends BaseAdapter implements Filterable { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Object lock = new Object(); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<ListItem> mOriginalValues; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected final LayoutInflater mInflater; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected List<ListItem> mActivitiesList; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Filter mFilter; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ActivityAdapter() { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInflater = (LayoutInflater) LauncherActivity.this.getSystemService( 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Context.LAYOUT_INFLATER_SERVICE); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivitiesList = makeListItems(); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Intent intentForPosition(int position) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActivitiesList == null) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Intent intent = new Intent(mIntent); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListItem item = mActivitiesList.get(position); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project intent.setClassName(item.packageName, item.className); 119105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project if (item.extras != null) { 120105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project intent.putExtras(item.extras); 121105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return intent; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCount() { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mActivitiesList != null ? mActivitiesList.size() : 0; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Object getItem(int position) { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getItemId(int position) { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return position; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getView(int position, View convertView, ViewGroup parent) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (convertView == null) { 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = mInflater.inflate( 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project com.android.internal.R.layout.activity_list_item_2, parent, false); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project view = convertView; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindView(view, mActivitiesList.get(position)); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return view; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void bindView(View view, ListItem item) { 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextView text = (TextView) view; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project text.setText(item.label); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project text.setCompoundDrawablesWithIntrinsicBounds(item.icon, null, null, null); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Filter getFilter() { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mFilter == null) { 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFilter = new ArrayFilter(); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFilter; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An array filters constrains the content of the array adapter with a prefix. Each 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * item that does not start with the supplied prefix is removed from the list. 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class ArrayFilter extends Filter { 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected FilterResults performFiltering(CharSequence prefix) { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FilterResults results = new FilterResults(); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOriginalValues == null) { 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (lock) { 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOriginalValues = new ArrayList<ListItem>(mActivitiesList); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prefix == null || prefix.length() == 0) { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (lock) { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<ListItem> list = new ArrayList<ListItem>(mOriginalValues); 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.values = list; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.count = list.size(); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String prefixString = prefix.toString().toLowerCase(); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<ListItem> values = mOriginalValues; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = values.size(); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<ListItem> newValues = new ArrayList<ListItem>(count); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < count; i++) { 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ListItem item = values.get(i); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] words = item.label.toString().toLowerCase().split(" "); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int wordCount = words.length; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int k = 0; k < wordCount; k++) { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String word = words[k]; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (word.startsWith(prefixString)) { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newValues.add(item); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.values = newValues; 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project results.count = newValues.size(); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return results; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void publishResults(CharSequence constraint, FilterResults results) { 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //noinspection unchecked 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivitiesList = (List<ListItem>) results.values; 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (results.count > 0) { 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDataSetChanged(); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDataSetInvalidated(); 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Utility class to resize icons to match default icon size. 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class IconResizer { 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Code is borrowed from com.android.launcher.Utilities. 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mIconWidth = -1; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mIconHeight = -1; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Rect mOldBounds = new Rect(); 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Canvas mCanvas = new Canvas(); 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IconResizer() { 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCanvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG, 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Paint.FILTER_BITMAP_FLAG)); 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Resources resources = LauncherActivity.this.getResources(); 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIconWidth = mIconHeight = (int) resources.getDimension( 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android.R.dimen.app_icon_size); 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns a Drawable representing the thumbnail of the specified Drawable. 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The size of the thumbnail is defined by the dimension 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * android.R.dimen.launcher_application_icon_size. 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method is not thread-safe and should be invoked on the UI thread only. 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param icon The icon to get a thumbnail of. 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A thumbnail for the specified icon or the icon itself if the 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * thumbnail could not be created. 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Drawable createIconThumbnail(Drawable icon) { 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int width = mIconWidth; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int height = mIconHeight; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int iconWidth = icon.getIntrinsicWidth(); 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int iconHeight = icon.getIntrinsicHeight(); 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (icon instanceof PaintDrawable) { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PaintDrawable painter = (PaintDrawable) icon; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project painter.setIntrinsicWidth(width); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project painter.setIntrinsicHeight(height); 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width > 0 && height > 0) { 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (width < iconWidth || height < iconHeight) { 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final float ratio = (float) iconWidth / iconHeight; 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (iconWidth > iconHeight) { 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = (int) (width / ratio); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (iconHeight > iconWidth) { 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = (int) (height * ratio); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Bitmap.Config c = icon.getOpacity() != PixelFormat.OPAQUE ? 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Bitmap thumb = Bitmap.createBitmap(mIconWidth, mIconHeight, c); 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Canvas canvas = mCanvas; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.setBitmap(thumb); 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Copy the old bounds to restore them later 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we were to do oldBounds = icon.getBounds(), 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the call to setBounds() that follows would 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // change the same instance and we would lose the 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // old bounds 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldBounds.set(icon.getBounds()); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int x = (mIconWidth - width) / 2; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int y = (mIconHeight - height) / 2; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon.setBounds(x, y, x + width, y + height); 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon.draw(canvas); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon.setBounds(mOldBounds); 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon = new BitmapDrawable(thumb); 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (iconWidth < width && iconHeight < height) { 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Bitmap.Config c = Bitmap.Config.ARGB_8888; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Bitmap thumb = Bitmap.createBitmap(mIconWidth, mIconHeight, c); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Canvas canvas = mCanvas; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project canvas.setBitmap(thumb); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOldBounds.set(icon.getBounds()); 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int x = (width - iconWidth) / 2; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int y = (height - iconHeight) / 2; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon.setBounds(x, y, x + iconWidth, y + iconHeight); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon.draw(canvas); 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon.setBounds(mOldBounds); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project icon = new BitmapDrawable(thumb); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return icon; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onCreate(Bundle icicle) { 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onCreate(icicle); 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPackageManager = getPackageManager(); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setProgressBarIndeterminateVisibility(true); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setContentView(com.android.internal.R.layout.activity_list); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIntent = new Intent(getTargetIntent()); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mIntent.setComponent(null); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAdapter = new ActivityAdapter(); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setListAdapter(mAdapter); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getListView().setTextFilterEnabled(true); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setProgressBarIndeterminateVisibility(false); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onListItemClick(ListView l, View v, int position, long id) { 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Intent intent = ((ActivityAdapter)mAdapter).intentForPosition(position); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project startActivity(intent); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return the actual Intent for a specific position in our 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link android.widget.ListView}. 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param position The item whose Intent to return 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Intent intentForPosition(int position) { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ActivityAdapter adapter = (ActivityAdapter) mAdapter; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return adapter.intentForPosition(position); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the base intent to use when running 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link PackageManager#queryIntentActivities(Intent, int)}. 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Intent getTargetIntent() { 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new Intent(); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform the query to determine which results to show and return a list of them. 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public List<ListItem> makeListItems() { 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Load all matching activities and sort correctly 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project List<ResolveInfo> list = mPackageManager.queryIntentActivities(mIntent, 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* no flags */ 0); 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Collections.sort(list, new ResolveInfo.DisplayNameComparator(mPackageManager)); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IconResizer resizer = new IconResizer(); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ArrayList<ListItem> result = new ArrayList<ListItem>(list.size()); 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int listSize = list.size(); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < listSize; i++) { 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ResolveInfo resolveInfo = list.get(i); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.add(new ListItem(mPackageManager, resolveInfo, resizer)); 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return result; 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 385